Public water system record
Chautauqua Water District #2
On record as serving Chautauqua County, NY · Serves 490 people
Federal records show 27 health-based violations and 87 monitoring/reporting issues for Chautauqua Water District #2 in the last ten years. The most serious issue in this window was a resolved Interim Enhanced Surface Water Treatment Rule violation.
System profile
Source water
Surface water
ZIP
14757
EPA system ID
NY0602924
- Health-based violations, last 10 years
- 27
- Resolved
- 25
- Unresolved
- 0
- Archived by EPA
- 2
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 87
Key facts
- Chautauqua Water District #2 draws water from 1 surface water intake.
- Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 122.9 µg/L, federal limit 60 µg/L (2 times the limit), 2018.
- Most recent formal enforcement: compliance order (no penalty) by EPA, March 2024.
- Record on file since 2009, with 4 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 168 service lines.
Check whether Chautauqua Water District #2 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 |
|---|---|---|---|---|
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jan 1, 2020 | Resolved | Yes |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 80.56 µg/L, federal limit 80 µg/L (at or just above the limit)
|
220 | Oct 1, 2019 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 70.3 µg/L, federal limit 60 µg/L (1.2 times the limit)
|
220 | Oct 1, 2019 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 80.05 µg/L, federal limit 60 µg/L (1.3 times the limit)
|
220 | Jul 1, 2019 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 81.93 µg/L, federal limit 80 µg/L (at or just above the limit)
|
220 | Jul 1, 2019 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 81.86 µg/L, federal limit 80 µg/L (at or just above the limit)
|
220 | Apr 1, 2019 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 73.25 µg/L, federal limit 60 µg/L (1.2 times the limit)
|
220 | Apr 1, 2019 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 85.21 µg/L, federal limit 80 µg/L (1.1 times the limit)
|
220 | Jan 1, 2019 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 88.6 µg/L, federal limit 60 µg/L (1.5 times the limit)
|
220 | Jan 1, 2019 | Resolved | No |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Dec 1, 2018 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Nov 1, 2018 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Oct 1, 2018 | Resolved | Yes |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 86 µg/L, federal limit 60 µg/L (1.4 times the limit)
|
220 | Oct 1, 2018 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
220 | Oct 1, 2018 | Resolved | No |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Sep 1, 2018 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Aug 1, 2018 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jul 1, 2018 | Resolved | Yes |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 74 µg/L, federal limit 60 µg/L (1.2 times the limit)
|
220 | Jul 1, 2018 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 82.475 µg/L, federal limit 80 µg/L (at or just above the limit)
|
220 | Jul 1, 2018 | Resolved | No |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jun 1, 2018 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | May 1, 2018 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Apr 1, 2018 | Resolved | Yes |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 122.9 µg/L, federal limit 60 µg/L (2 times the limit)
|
220 | Apr 1, 2018 | Resolved | No |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Mar 1, 2018 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Feb 1, 2018 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jan 1, 2018 | Resolved | Yes |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 63.475 µg/L, federal limit 60 µg/L (1.1 times the limit)
|
220 | Oct 1, 2017 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Resolved |
|
Chlordane
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
LASSO
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Aldicarb
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Aldicarb sulfone
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Aldicarb sulfoxide
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Picloram
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Simazine
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Endrin
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
LASSO
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Atrazine
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Aldicarb
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Aldicarb sulfone
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Aldicarb sulfoxide
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Picloram
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Simazine
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Dalapon
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Endrin
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Chlordane
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
2,4-D
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Chlordane
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
LASSO
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Aldicarb
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Aldicarb sulfone
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Aldicarb sulfoxide
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Picloram
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Simazine
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Endrin
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
Full record since 2009
EPA's records for Chautauqua Water District #2 go back to 2009. Before October 19, 2016 they list 4 health-based violations (4 resolved) and 9 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 0 | 2 |
| 2010 to October 18, 2016 | 4 | 7 |
| October 19, 2016 to 2019 | 26 | 1 |
| 2020s | 1 | 85 |
Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began October 2014, Resolved.
Show all 4 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 106.17 µg/L, federal limit 80 µg/L (1.3 times the limit)
|
Oct 1, 2014 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 70.37 µg/L, federal limit 60 µg/L (1.2 times the limit)
|
Oct 1, 2014 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 86.375 µg/L, federal limit 60 µg/L (1.4 times the limit)
|
Jul 1, 2014 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 111.95 µg/L, federal limit 80 µg/L (1.4 times the limit)
|
Jul 1, 2014 | Resolved |
Enforcement actions
New York regulators and EPA took 7 formal enforcement actions against Chautauqua Water District #2 between 2014 and 2024. The most recent was a compliance order (no penalty) in March 2024.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Mar 3, 2024 | EPA | Compliance order (no penalty) | 18 violations (18 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5) |
| Jun 16, 2020 | EPA | Compliance order (no penalty) | 16 violations (14 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5) |
| Oct 24, 2017 | New York | Administrative penalty | 1 violation: Lead and Copper Rule |
| Feb 1, 2017 | New York | Administrative penalty | 1 violation: Nitrate |
| Jan 26, 2015 | New York | Administrative penalty | 2 violations: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5) |
| Oct 15, 2014 | New York | Administrative penalty | 1 violation: Total Coliform |
| Jun 3, 2014 | New York | Administrative penalty | 1 violation: Haloacetic Acids (HAA5) |
What the violations mean
Interim Enhanced Surface Water Treatment Rule
13 incidentsThe system did not meet a filtration or treatment requirement for surface water
Inadequate treatment of surface water can let pathogens such as Cryptosporidium and Giardia through
Haloacetic Acids (HAA5)
8 incidentsHaloacetic acid byproducts exceeded the federal limit
Long-term exposure to HAAs may increase cancer risk
Total Trihalomethanes (TTHMs)
6 incidentsDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Where the water comes from
Chautauqua Water District #2 draws water from 1 surface water intake.
Annual water quality report
Chautauqua Water District #2 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 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Chautauqua Water District #2 for a copy.
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 New York.
Certified drinking water labs by state EPA guidance for private wells