Public water system record
Scua Upper Seven Mile
Serves San Carlos and Peridot, Gila County and Graham County, AZ · 8,478 people served
Federal records show 25 health-based violations and 141 monitoring/reporting issues for Scua Upper Seven Mile in the last ten years, including an unresolved Groundwater Rule violation.
System profile
Source water
Groundwater
ZIP
85550
EPA system ID
090400114
- Health-based violations, last 10 years
- 25
- Resolved
- 17
- Unresolved
- 8
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 141
Key facts
- Scua Upper Seven Mile draws water from 6 wells.
- Most recent formal enforcement: compliance order (no penalty) by EPA, February 2023.
- Record on file since 1991, with 38 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 243 unknown out of 1,776 service lines.
Check whether Scua Upper Seven Mile 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 |
|---|---|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
140 | Nov 28, 2025 | Active | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Nov 28, 2025 | Active | No |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Nov 28, 2025 | Active | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Nov 1, 2025 | Active | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Nov 1, 2025 | Active | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Nov 1, 2025 | Active | No |
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Nov 1, 2025 | Resolved | Yes |
|
Groundwater Rule
Treatment technique failure
|
140 | Oct 24, 2025 | Active | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Oct 10, 2025 | Active | No |
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Jul 1, 2023 | Resolved | Yes |
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Jun 1, 2023 | Resolved | Yes |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | May 13, 2023 | Resolved | No |
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | May 1, 2023 | Resolved | Yes |
|
Groundwater Rule
Treatment technique failure
|
140 | Mar 4, 2023 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Mar 4, 2023 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Mar 4, 2023 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Mar 4, 2023 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Mar 4, 2023 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Mar 4, 2023 | Resolved | No |
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Jul 1, 2021 | Resolved | Yes |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Sep 30, 2018 | Resolved | No |
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Sep 1, 2018 | Resolved | Yes |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Aug 30, 2018 | Resolved | No |
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Jul 1, 2018 | Resolved | Yes |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Aug 1, 2017 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2025 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 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.
|
|
Nitrate
Monitoring and reporting
|
Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Nov 16, 2024 | Active |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2024 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Apr 1, 2024 | Resolved |
|
Combined Uranium
Monitoring and reporting
|
Apr 1, 2024 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Apr 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Mar 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Mar 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Jan 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2024 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Combined Uranium
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Styrene
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Toluene
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Benzene
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Vinyl chloride
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Chlordane
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
2,3,7,8-TCDD
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
LASSO
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Picloram
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Simazine
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Endothall
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Diquat
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Endrin
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2023 | Resolved |
|
Public Notice
OTHER
|
Apr 1, 2023 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Apr 1, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Public Notice
OTHER
|
Mar 4, 2023 | Resolved |
|
Public Notice
OTHER
|
Mar 4, 2023 | Resolved |
|
Public Notice
OTHER
|
Mar 4, 2023 | Resolved |
|
Public Notice
OTHER
|
Mar 4, 2023 | Resolved |
|
Public Notice
OTHER
|
Mar 4, 2023 | Resolved |
|
Public Notice
OTHER
|
Mar 4, 2023 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Feb 1, 2023 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2023 | Active |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
E. coli
Monitoring and reporting
|
Dec 1, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2022 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Aug 1, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2022 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
E. coli
Monitoring and reporting
|
May 1, 2022 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
E. coli
Monitoring and reporting
|
Dec 1, 2021 | Resolved |
|
E. coli
Monitoring and reporting
|
Nov 1, 2021 | Resolved |
|
E. coli
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Jul 1, 2021 | Resolved |
|
E. coli
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
E. coli
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
E. coli
Monitoring and reporting
|
Aug 1, 2020 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Aug 1, 2019 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jan 1, 2019 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Dec 1, 2018 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2018 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Oct 1, 2018 | Resolved |
|
Arsenic
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
Public Notice
OTHER
|
Sep 30, 2018 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Sep 28, 2018 | Resolved |
|
Public Notice
OTHER
|
Sep 1, 2018 | Resolved |
|
E. coli
Monitoring and reporting
|
Sep 1, 2018 | Resolved |
|
Public Notice
OTHER
|
Aug 30, 2018 | Resolved |
|
Public Notice
OTHER
|
Aug 3, 2018 | Resolved |
|
E. coli
Monitoring and reporting
|
Aug 1, 2018 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jul 31, 2018 | Resolved |
|
E. coli
Monitoring and reporting
|
Jul 1, 2018 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jul 1, 2018 | Resolved |
|
Arsenic
Monitoring and reporting
|
Apr 1, 2018 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Arsenic
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
|
Public Notice
OTHER
|
Jan 1, 2016 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Public Notice
OTHER
|
Aug 1, 2015 | Resolved |
|
Public Notice
OTHER
|
Jul 1, 2015 | Resolved |
|
Public Notice
OTHER
|
Apr 1, 2015 | Resolved |
|
Public Notice
OTHER
|
Jan 1, 2015 | Resolved |
|
Public Notice
OTHER
|
Dec 1, 2014 | Resolved |
|
Public Notice
OTHER
|
Oct 1, 2014 | Resolved |
|
Public Notice
OTHER
|
Apr 1, 2014 | Resolved |
|
Public Notice
OTHER
|
Oct 1, 2013 | Resolved |
|
Public Notice
OTHER
|
Jul 1, 2013 | Resolved |
|
Public Notice
OTHER
|
Jul 1, 2013 | Resolved |
|
Public Notice
OTHER
|
May 1, 2013 | Resolved |
|
Public Notice
OTHER
|
Apr 1, 2013 | Resolved |
|
Public Notice
OTHER
|
Apr 1, 2013 | Resolved |
|
Public Notice
OTHER
|
Mar 1, 2013 | Resolved |
|
Public Notice
OTHER
|
Jan 1, 2013 | Resolved |
Full record since 1991
EPA's records for Scua Upper Seven Mile go back to 1991. Before October 19, 2016 they list 38 health-based violations (38 resolved) and 326 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 73 |
| 2000s | 10 | 178 |
| 2010 to October 18, 2016 | 28 | 75 |
| October 19, 2016 to 2019 | 5 | 22 |
| 2020s | 20 | 102 |
Most recent health-based violation before October 19, 2016: Arsenic, began April 2016, Resolved.
Show all 38 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Arsenic
Contaminant limit exceeded
|
Apr 1, 2016 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 2016 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0176 mg/L, federal limit 0.01 mg/L (1.8 times the limit)
|
Jan 1, 2016 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2015 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0102 mg/L, federal limit 0.01 mg/L (at or just above the limit)
|
Jul 1, 2015 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0102 mg/L, federal limit 0.01 mg/L (at or just above the limit)
|
Apr 1, 2015 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0102 mg/L, federal limit 0.01 mg/L (at or just above the limit)
|
Jan 1, 2015 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2014 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0102 mg/L, federal limit 0.01 mg/L (at or just above the limit)
|
Oct 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2014 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0137 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
|
Jul 1, 2014 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0223 mg/L, federal limit 0.01 mg/L (2.2 times the limit)
|
Apr 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2014 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0223 mg/L, federal limit 0.01 mg/L (2.2 times the limit)
|
Jan 1, 2014 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.02017 mg/L, federal limit 0.01 mg/L (2 times the limit)
|
Oct 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2013 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.01973 mg/L, federal limit 0.01 mg/L (2 times the limit)
|
Jul 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 2013 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.01973 mg/L, federal limit 0.01 mg/L (2 times the limit)
|
Apr 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2013 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0223 mg/L, federal limit 0.01 mg/L (2.2 times the limit)
|
Jan 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2006 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2006 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2005 | Resolved |
Enforcement actions
EPA took 2 formal enforcement actions against Scua Upper Seven Mile between 2011 and 2023, filed as 102 records in EPA's data. The most recent was a compliance order (no penalty) in February 2023.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Feb 28, 2023 | EPA | Compliance order (no penalty) | 1 violation: E. coli |
| Nov 4, 2011 | EPA | Compliance order (no penalty) | 110 violations (35 health-based): Nitrate, Arsenic, Public Notice, Revised Total Coliform Rule, E. coli |
What the violations mean
Groundwater Rule
13 incidentsThe 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 each of these violations.
Revised Total Coliform Rule
12 incidentsThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
Where the water comes from
Scua Upper Seven Mile draws water from 6 wells. 1 other community water system buys water from Scua Upper Seven Mile. 1 other public water system has an emergency connection to Scua Upper Seven Mile.
Community systems that buy water from it
- San Carlos Apache Health Center Peridot, AZ
Annual water quality report
Scua Upper Seven Mile 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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 EPA Region 9.
Certified drinking water labs by state EPA guidance for private wells