Non-Compliance
Clean Air Act
Clean Water Act
SHELTON WATER POLLUTION CONTROL FACILITY
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
-
10 RIVERDALE AVE
SHELTON, CT 06484
View on map ↗ - County
- FAIRFIELD County
- Industry
- Public Administration
- NAICS (North American Industry Classification)
- 924110
- Inspections
- 2 · last Nov 18, 2025
- Total Penalties
- $0 · last Jul 6, 2011
- Registry ID
- 110000731049
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.
0
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
7
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 | Reporting Violations - Improper/ Incorrect Reporting | Mar 3, 2021 | — | Open |
| cwa | Reporting Violations - Failure to Notify | Feb 28, 2019 | — | Open |
| cwa | Schedule Event unachieved and not reported | Feb 19, 2010 | Mar 22, 2010 | Resolved |
| cwa | Schedule Event reported late | Feb 19, 2009 | — | Open |
| cwa | Schedule Event unachieved and not reported | Feb 19, 2009 | Apr 1, 2009 | Resolved |
| cwa | Schedule Event unachieved but reported | Feb 19, 2009 | Apr 1, 2009 | Resolved |
| cwa | Schedule Event achieved late but reported | Feb 19, 2009 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 19, 2008 | — | Open |
| cwa | Schedule Event unachieved but reported | Apr 30, 2007 | Dec 13, 2010 | Resolved |
| cwa | Schedule Event unachieved and not reported | Apr 30, 2007 | Dec 13, 2010 | Resolved |
| cwa | Schedule Event unachieved and not reported | Apr 30, 2007 | Dec 13, 2010 | Resolved |
| cwa | Schedule Event reported late | Apr 30, 2007 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 30, 2007 | — | Open |
| cwa | Schedule Event unachieved but reported | Apr 30, 2007 | Dec 13, 2010 | Resolved |
| cwa | Schedule Event reported late | Apr 30, 2007 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 30, 2007 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 19, 2007 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 31, 2005 | Dec 13, 2010 | Resolved |
| cwa | Schedule Event reported late | Jan 31, 2005 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2005 | Dec 13, 2010 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 31, 2005 | — | Open |
| cwa | Schedule Event achieved late but reported | Dec 31, 2002 | — | Open |
| cwa | Schedule Event unachieved but reported | Dec 31, 2002 | Dec 13, 2010 | Resolved |
| cwa | Schedule Event reported late | Dec 31, 2002 | — | Open |
| cwa | Schedule Event unachieved and not reported | Dec 31, 2002 | Dec 13, 2010 | 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 |
|---|---|---|---|---|---|---|
| Enterococci | DMR, Limited - Numeric Violation | 816.40 MPN/100mL | 500.00 | +63% | Sep 2025 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 63.60 % | 85.00 | +143% | Mar 2025 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 66.40 % | 85.00 | +124% | Mar 2025 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 84.50 % | 85.00 | +3% | Feb 2025 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 82.80 % | 85.00 | +15% | Jan 2025 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 78.20 % | 85.00 | +45% | Jan 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 35.40 mg/L | 30.00 | +18% | Jan 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Overdue | 36.50 mg/L | 30.00 | +22% | Dec 2024 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 36.50 mg/L | 30.00 | +22% | Dec 2024 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Overdue | 80.40 % | 85.00 | +31% | Dec 2024 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 80.40 % | 85.00 | +31% | Dec 2024 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 84.05 % | 85.00 | +6% | Oct 2024 | Open |
| Solids, suspended percent removal | DMR, Limited - Overdue | 84.05 % | 85.00 | +6% | Oct 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 71.00 mg/L | 50.00 | +42% | Aug 2024 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 95.90 MPN/100mL | 88.00 | +9% | Jun 2024 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 77.40 % | 85.00 | +51% | Apr 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 33.80 mg/L | 30.00 | +13% | Apr 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 30.60 mg/L | 30.00 | +2% | Apr 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 67.00 mg/L | 50.00 | +34% | Dec 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 79.00 mg/L | 50.00 | +58% | Dec 2023 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 84.10 % | 85.00 | +6% | Dec 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 55.00 mg/L | 30.00 | +83% | Nov 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 78.00 mg/L | 50.00 | +56% | Nov 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 103.00 mg/L | 50.00 | +106% | Nov 2023 | Resolved |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 81.20 % | 85.00 | +25% | Nov 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 40.00 mg/L | 30.00 | +33% | Nov 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 54.00 mg/L | 50.00 | +8% | Oct 2023 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 500.00 | +384% | Sep 2023 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.20 | +50% | Sep 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 97.00 mg/L | 50.00 | +94% | Jul 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 98.00 mg/L | 50.00 | +96% | Jul 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 89.00 mg/L | 50.00 | +78% | Jun 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 34.00 mg/L | 30.00 | +13% | Jun 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 128.00 mg/L | 50.00 | +156% | May 2023 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 38.00 mg/L | 30.00 | +27% | May 2023 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 3,635.00 MPN/100mL | 500.00 | +627% | May 2023 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.20 | +50% | May 2023 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 77.70 % | 85.00 | +49% | May 2023 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 80.20 % | 85.00 | +32% | May 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 46.00 mg/L | 30.00 | +53% | May 2023 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 2.20 mg/L | 1.50 | +47% | May 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 75.00 mg/L | 50.00 | +50% | May 2023 | Resolved |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 48.00 % | 85.00 | +247% | Apr 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 119.00 mg/L | 30.00 | +297% | Apr 2023 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 112.00 mg/L | 30.00 | +273% | Apr 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 196.00 mg/L | 50.00 | +292% | Apr 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 157.00 mg/L | 50.00 | +214% | Apr 2023 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 50.10 % | 85.00 | +233% | Apr 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 60.00 mg/L | 50.00 | +20% | Mar 2023 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 12.00 % | 85.00 | +487% | Feb 2023 | 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.
Judicial
· Case 01-2004-2075 · Nov 24, 2008
$142,000
State CWA Non Penalty AO
Clean Water Act
· Case CT-N00000557 · Sep 26, 2002
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