CARMEL (T) SD NO.4 STP
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
-
NORTH ROAD
MAHOPAC, NY 10541
View on map ↗ - County
- PUTNAM County
- Inspections
- 5 · last Dec 10, 2025
- Total Penalties
- $0 · last May 10, 2007
- Registry ID
- 110009827269
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.
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 | Management Practice Violations - Failure to Maintain Records | Aug 15, 2024 | — | Open |
| cwa | WW SSO - Improper Operation and Maintenance | Apr 18, 2022 | Oct 18, 2022 | Resolved |
| cwa | Schedule Event achieved late but reported | Mar 28, 2020 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 28, 2015 | — | Open |
| cwa | Schedule Event unachieved but reported | Mar 28, 2013 | — | Open |
| cwa | Schedule Event unachieved and not reported | Mar 28, 2013 | — | Open |
| cwa | Schedule Event reported late | Mar 28, 2013 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 28, 2013 | — | Open |
| cwa | Schedule Event unachieved and not reported | Mar 28, 2012 | — | Open |
| cwa | Schedule Event reported late | Mar 28, 2012 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 28, 2012 | — | Open |
| cwa | Schedule Event unachieved but reported | Mar 28, 2012 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 28, 2007 | — | Open |
| cwa | Schedule Event achieved late but reported | Aug 1, 1987 | — | Open |
| cwa | Schedule Event unachieved and not reported | Aug 1, 1987 | Dec 15, 1987 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jun 15, 1987 | Dec 21, 1987 | Resolved |
| cwa | Schedule Event achieved late but reported | Jun 15, 1987 | — | Open |
| cwa | Schedule Event achieved late but reported | Jun 5, 1987 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jun 5, 1987 | Dec 21, 1987 | Resolved |
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 | 3.70 mg/L | 1.50 | +147% | Aug 2024 | Resolved |
| Nitrogen, ammonia, total [as NH3] | DMR, Limited - Numeric Violation | 5.50 mg/L | 1.50 | +267% | Jul 2024 | Resolved |
| Nitrogen, ammonia, total [as NH3] | DMR, Limited - Numeric Violation | 5.10 mg/L | 1.50 | +240% | Jun 2024 | Resolved |
| Nitrogen, ammonia, total [as NH3] | DMR, Limited - Numeric Violation | 7.10 mg/L | 2.00 | +255% | May 2024 | Resolved |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.21 MGD | 0.20 | +5% | Jan 2024 | Open |
| Solids, settleable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +6,900% | Jul 2023 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 5.60 mg/L | 7.00 | +20% | Jul 2019 | Open |
| Nitrogen, ammonia, total [as NH3] | DMR, Limited - Numeric Violation | 3.90 mg/L | 1.50 | +160% | Jun 2018 | Open |
| Nitrogen, ammonia, total [as NH3] | DMR, Limited - Numeric Violation | 2.20 mg/L | 2.00 | +10% | May 2018 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 5.33 kg/d | 3.81 | +40% | Apr 2018 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 11.00 mg/L | 5.00 | +120% | Apr 2018 | Open |
| Carbonaceous oxygen demand, % removal | DMR, Limited - Numeric Violation | 98.60 % | 85.00 | +99,999% | Jun 2015 | Open |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.