Non-Compliance
Clean Water Act
COBB ISLAND WWTP
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
-
SWAN POINT BLVD AND COBB ISLAND ROAD
LA PLATA, MD 20646
View on map ↗ - County
- CHARLES County
- Inspections
- 1 · last Jun 29, 2021
- Total Penalties
- $0
- Registry ID
- 110032595369
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.
6
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
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 |
|---|---|---|---|---|---|---|
| Solids, total dissolved | DMR, Limited - Numeric Violation | 996.00 mg/L | 500.00 | +99% | Dec 2025 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,056.00 MPN/100mL | 200.00 | +428% | Jul 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 96.40 mg/L | 70.00 | +38% | Jun 2019 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 90.80 mg/L | 70.00 | +30% | Jun 2019 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1.00 MPN/100mL | 0.00 | +2,147,483,650% | Dec 2016 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1.00 MPN/100mL | 0.00 | +2,147,483,650% | Dec 2016 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1.00 MPN/100mL | 0.00 | +2,147,483,650% | Dec 2016 | Open |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 536.00 mg/L | 500.00 | +7% | Dec 2016 | Open |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 552.00 mg/L | 500.00 | +10% | Dec 2016 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1.00 MPN/100mL | 0.00 | +2,147,483,650% | Dec 2016 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1.00 MPN/100mL | 0.00 | +2,147,483,650% | Dec 2016 | Open |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 572.00 mg/L | 500.00 | +14% | Dec 2016 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1.00 MPN/100mL | 0.00 | +2,147,483,650% | Dec 2016 | Open |
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