Public water system record
City of Nogales
Serves Nogales, Santa Cruz County, AZ · 22,000 people served
Federal records show 4 health-based violations and 507 monitoring/reporting issues for City of Nogales in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
Source water
Groundwater
ZIP
85621
EPA system ID
AZ0412004
- Health-based violations, last 10 years
- 4
- Resolved
- 3
- Unresolved
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 507
Key facts
- City of Nogales draws water from 11 wells (1 of them for emergency, seasonal or other part-time use).
- Highest measured level in the last 10 years: Asbestos, 23.5 million fibers per liter, federal limit 7 million fibers per liter (3.4 times the limit), 2012.
- Most recent formal enforcement: compliance order (no penalty) by EPA, October 2025.
- Record on file since 1980, with 20 health-based violations before October 19, 2016.
Check whether City of Nogales serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 |
Active
Enforcement action in place
|
No |
|
Groundwater Rule
Treatment technique failure
|
140 | Nov 15, 2021 | Resolved | No |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Nov 11, 2016 | Resolved | No |
|
Asbestos
Contaminant limit exceeded
Measured 23.5 million fibers per liter, federal limit 7 million fibers per liter (3.4 times the limit)
|
330 | Jan 1, 2012 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Arsenic
Monitoring and reporting
|
Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Nitrate
Monitoring and reporting
|
Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Arsenic
Monitoring and reporting
|
Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Chlorine
Monitoring and reporting
|
Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Public Notice
OTHER
|
Dec 20, 2024 | Resolved |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 |
Active
Enforcement action in place
|
|
Arsenic
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Apr 28, 2024 | Resolved |
|
Arsenic
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jul 1, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Public Notice
OTHER
|
Feb 13, 2020 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jan 1, 2020 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Aug 1, 2019 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Aug 1, 2019 | Resolved |
|
Arsenic
Monitoring and reporting
|
Apr 1, 2019 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Aug 1, 2018 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Aug 1, 2018 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jul 1, 2018 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2018 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Mercury
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Beryllium, Total
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Thallium, Total
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Antimony, Total
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Cadmium
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Chromium (total)
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Beryllium, Total
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Barium
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Chlordane
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
2,3,7,8-TCDD
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
LASSO
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Picloram
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Simazine
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Endothall
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Diquat
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Endrin
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Chromium (total)
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
CYANIDE
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Thallium, Total
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Mercury
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Selenium
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Nickel
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Barium
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Thallium, Total
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Antimony, Total
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Cadmium
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Mercury
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Selenium
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Beryllium, Total
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
CYANIDE
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Nickel
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Chlordane
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
2,3,7,8-TCDD
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
LASSO
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Picloram
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Simazine
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Endothall
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Diquat
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Endrin
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Styrene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Toluene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Benzene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Vinyl chloride
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Cadmium
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
CYANIDE
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Antimony, Total
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Barium
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Chlordane
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
2,3,7,8-TCDD
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
LASSO
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Picloram
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Simazine
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Endothall
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Diquat
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Endrin
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Selenium
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Chromium (total)
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Radium-228
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Radium-226
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Combined Uranium
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Fluoride
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Nickel
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jul 1, 2017 | Resolved |
|
Arsenic
Monitoring and reporting
|
Apr 1, 2017 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Apr 1, 2017 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Mar 1, 2017 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2017 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Nov 10, 2016 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Nov 1, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Nov 1, 2016 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2016 | Resolved |
|
E. coli
Monitoring and reporting
|
Oct 7, 2016 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2016 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2016 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Radium-228
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Radium-226
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Combined Uranium
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Chlordane
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
2,3,7,8-TCDD
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
LASSO
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Picloram
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Simazine
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Endothall
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Diquat
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Endrin
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Chlordane
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
2,3,7,8-TCDD
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
LASSO
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Picloram
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Simazine
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Endothall
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Diquat
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Endrin
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Chlordane
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
2,3,7,8-TCDD
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
LASSO
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Picloram
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Simazine
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Endothall
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Diquat
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Endrin
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Chlordane
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
2,3,7,8-TCDD
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
LASSO
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Picloram
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Simazine
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Endothall
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Diquat
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Endrin
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Chlordane
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
2,3,7,8-TCDD
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
LASSO
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Picloram
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Simazine
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Endothall
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Diquat
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Endrin
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Styrene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Toluene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Benzene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Vinyl chloride
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Styrene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Toluene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Benzene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Vinyl chloride
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Styrene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Toluene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Benzene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Vinyl chloride
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Styrene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Toluene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Benzene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Vinyl chloride
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Selenium
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Thallium, Total
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Beryllium, Total
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Antimony, Total
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Nickel
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Mercury
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Fluoride
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
CYANIDE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Chromium (total)
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Cadmium
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Barium
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Selenium
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Thallium, Total
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Beryllium, Total
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Antimony, Total
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Nickel
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Mercury
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Fluoride
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
CYANIDE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Chromium (total)
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Cadmium
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Barium
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Radium-228
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Radium-226
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Combined Uranium
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Radium-228
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Radium-226
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Combined Uranium
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Barium
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Mercury
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Selenium
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Nickel
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Beryllium, Total
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Thallium, Total
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Chromium (total)
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Fluoride
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Cadmium
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Antimony, Total
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
CYANIDE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Barium
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Mercury
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Selenium
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Nickel
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Beryllium, Total
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Thallium, Total
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Chromium (total)
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Fluoride
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Cadmium
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Antimony, Total
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
CYANIDE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Barium
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Mercury
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Selenium
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Nickel
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Beryllium, Total
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Thallium, Total
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Chromium (total)
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Fluoride
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Cadmium
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Antimony, Total
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
CYANIDE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Barium
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Mercury
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Selenium
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Nickel
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Beryllium, Total
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Thallium, Total
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Chromium (total)
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Fluoride
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Cadmium
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Antimony, Total
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
CYANIDE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
Full record since 1980
EPA's records for City of Nogales go back to 1980. Before October 19, 2016 they list 20 health-based violations (20 resolved) and 1,016 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 9 |
| 1990s | 0 | 2 |
| 2000s | 13 | 608 |
| 2010 to October 18, 2016 | 7 | 397 |
| October 19, 2016 to 2019 | 1 | 169 |
| 2020s | 2 | 21 |
Most recent health-based violation before October 19, 2016: Total Coliform, began August 2013, Resolved.
Show all 20 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2013 | Resolved |
|
Asbestos
Contaminant limit exceeded
Measured 23.5 million fibers per liter, federal limit 7 million fibers per liter (3.4 times the limit)
|
Jan 1, 2012 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
|
Jan 1, 2011 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
|
Oct 1, 2010 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
|
Jul 1, 2010 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.017 mg/L, federal limit 0.01 mg/L (1.7 times the limit)
|
Jul 1, 2010 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
|
Apr 1, 2010 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2009 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2009 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2008 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
|
Oct 1, 2007 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.022 mg/L, federal limit 0.01 mg/L (2.2 times the limit)
|
Oct 1, 2007 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.022 mg/L, federal limit 0.01 mg/L (2.2 times the limit)
|
Oct 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2006 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2001 | Resolved |
Enforcement actions
EPA took 2 formal enforcement actions against City of Nogales between 2008 and 2025. The most recent was a compliance order (no penalty) in October 2025.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Oct 17, 2025 | EPA | Compliance order (no penalty) | 2 violations (1 health-based): LEAD AND COPPER RULE REVISIONS |
| May 16, 2008 | EPA | Compliance order (no penalty) | 45 violations: Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs), Chlorine |
What the violations mean
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Groundwater Rule
1 incidentThe system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).
The utility had to notify customers about this violation.
Revised Total Coliform Rule
1 incidentThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
Asbestos
1 incidentAsbestos exceeded the federal limit
Long-term exposure above the limit may increase the risk of benign intestinal polyps
Where the water comes from
City of Nogales draws water from 11 wells (1 of them for emergency, seasonal or other part-time use). 1 other public water system has an emergency connection to City of Nogales.
Annual water quality report
City of Nogales must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Arizona.
Certified drinking water labs by state EPA guidance for private wells