Non-Compliance
Clean Water Act
NORTH CHAUTAUQUA LAKE SD WWTF
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $0 in total penalties since records began.
- Address
-
1 CLARK STREET
MAYVILLE, NY 14757
View on map ↗ - County
- CHAUTAUQUA County
- Inspections
- 4 · last Dec 18, 2025
- Total Penalties
- $0
- Registry ID
- 110000734812
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
5
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| cwa | Schedule Event achieved late but reported | Jun 1, 2018 | — | Open |
| cwa | Schedule Event reported late | Jun 1, 2018 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jun 1, 2018 | Nov 1, 2018 | Resolved |
| cwa | Schedule Event unachieved but reported | Jun 1, 2018 | Nov 1, 2018 | Resolved |
| cwa | Schedule Event reported late | Dec 1, 2017 | — | Open |
| cwa | Schedule Event achieved late but reported | Dec 1, 2017 | — | Open |
| cwa | Schedule Event unachieved but reported | Dec 1, 2017 | Aug 31, 2018 | Resolved |
| cwa | Schedule Event unachieved and not reported | Dec 1, 2017 | Aug 31, 2018 | Resolved |
| cwa | Schedule Event unachieved but reported | Mar 28, 2017 | Nov 7, 2017 | Resolved |
| cwa | Schedule Event achieved late but reported | Mar 28, 2017 | — | Open |
| cwa | Schedule Event reported late | Mar 28, 2017 | — | Open |
| cwa | Schedule Event unachieved and not reported | Mar 28, 2017 | Nov 7, 2017 | Resolved |
| cwa | Schedule Event reported late | Oct 31, 2015 | — | Open |
| cwa | Schedule Event unachieved but reported | Oct 31, 2015 | Jul 17, 2017 | Resolved |
| cwa | Schedule Event unachieved and not reported | Oct 31, 2015 | Jul 17, 2017 | Resolved |
| cwa | Schedule Event achieved late but reported | Oct 31, 2015 | — | Open |
| cwa | Schedule Event reported late | May 1, 2014 | — | Open |
| cwa | Schedule Event achieved late but reported | May 1, 2014 | — | Open |
| cwa | Schedule Event unachieved and not reported | Mar 28, 2007 | — | Open |
| cwa | Schedule Event reported late | Mar 28, 2007 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 28, 2007 | — | Open |
| cwa | Schedule Event unachieved but reported | Mar 28, 2007 | — | Open |
Discharge Limit Exceedances
Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.
| Pollutant | Violation | Reported | Limit | Exceedance | Period | Status |
|---|---|---|---|---|---|---|
| Nitrogen, ammonia, total [as NH3] | DMR, Limited - Numeric Violation | 6.80 mg/L | 4.90 | +39% | Aug 2025 | Open |
| Nitrogen, ammonia, total [as NH3] | DMR, Limited - Numeric Violation | 5.00 mg/L | 4.90 | +2% | Jul 2025 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.43 kg/d | 0.42 | +3% | Jul 2025 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.44 kg/d | 0.42 | +4% | Jun 2025 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.43 kg/d | 0.42 | +2% | May 2025 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 80.20 % | 85.00 | +32% | Dec 2024 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.56 MGD | 0.50 | +13% | Dec 2024 | Open |
| Nitrogen, ammonia, total [as NH3] | DMR, Limited - Numeric Violation | 8.30 mg/L | 4.90 | +69% | Jul 2023 | Open |
| Nitrogen, ammonia, total [as NH3] | DMR, Limited - Numeric Violation | 9.30 mg/L | 4.90 | +90% | Jul 2022 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.55 MGD | 0.50 | +9% | Feb 2022 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.51 MGD | 0.50 | +1% | Mar 2020 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 47.39 kg/d | 0.42 | +11,158% | Aug 2018 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.68 mg/L | 0.10 | +580% | Aug 2018 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Overdue | 47.39 kg/d | 0.42 | +11,158% | Aug 2018 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.98 mg/L | 0.10 | +880% | Jul 2018 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.13 mg/L | 1.00 | +13% | Jun 2018 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 1.54 mg/L | 0.10 | +1,440% | Jun 2018 | Resolved |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.51 MGD | 0.50 | +1% | Mar 2018 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,300.00 MPN/100mL | 400.00 | +475% | Feb 2018 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.61 MGD | 0.50 | +22% | Feb 2018 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.57 MGD | 0.50 | +14% | Jan 2018 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,130.00 MPN/100mL | 400.00 | +183% | Dec 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.50 MGD | 0.50 | +1% | Nov 2017 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.28 mg/L | 1.00 | +28% | Aug 2017 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 78.90 % | 85.00 | +41% | Feb 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.63 MGD | 0.50 | +26% | Jan 2017 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 224.00 MPN/100mL | 200.00 | +12% | Jan 2017 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.40 mg/L | 1.00 | +40% | Aug 2016 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.60 mg/L | 1.00 | +60% | Jul 2016 | Resolved |
| Solids, settleable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +67% | Feb 2016 | Open |
| Solids, settleable | DMR, Limited - Overdue | 0.00 mg/L | 0.00 | +67% | Feb 2016 | Resolved |
| Flow, in conduit or thru treatment plant | DMR, Limited - Overdue | 0.55 MGD | 0.50 | +10% | Feb 2016 | Resolved |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.55 MGD | 0.50 | +10% | Feb 2016 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 78.40 % | 85.00 | +44% | Dec 2015 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.74 mg/L | 1.00 | +74% | Sep 2015 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 2.90 mg/L | 1.00 | +190% | Aug 2015 | Resolved |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.56 MGD | 0.50 | +13% | Apr 2015 | Open |
Other facilities in CHAUTAUQUA County, NY
GRANDVIEW OF ELLINGTON, THE-TREATMENT PLANT-CHLORINATION
JAMESTOWN, NY
NYS THRUWAY AUTHORITY BIN 5511470
SHERIDAN, NY
VILLAGE CASINO, THE
, NY
CHAUTAUGUA CO AIRPORT
ELLICOTT, NY
CAMP ONYAHSA
, NY