Non-Compliance
Clean Water Act
MYSTIC HARBOUR 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
-
STEPHEN DECATUR HIGHWAY
BERLIN, MD 21611
View on map ↗ - County
- WORCESTER County
- Inspections
- 4 · last Aug 18, 2025
- Total Penalties
- $0 · last Dec 12, 2018
- Registry ID
- 110032595387
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.
3
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 |
|---|---|---|---|---|---|---|
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 5.21 mg/L | 5.00 | +4% | May 2025 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 8.76 mg/L | 5.00 | +75% | May 2025 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.41 mg/L | 0.30 | +37% | Jul 2024 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.31 MGD | 0.23 | +36% | Jul 2024 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 6.10 MPN/100mL | 3.00 | +103% | Apr 2024 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 5.09 mg/L | 5.00 | +2% | Apr 2024 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.36 MGD | 0.23 | +60% | Mar 2024 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2.60 MPN/100mL | 2.00 | +30% | Dec 2023 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 4.60 MPN/100mL | 2.00 | +130% | Dec 2023 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.34 MGD | 0.23 | +52% | Jul 2023 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.45 MGD | 0.23 | +101% | Jun 2023 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 5.76 mg/L | 5.00 | +15% | May 2023 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 5.10 mg/L | 5.00 | +2% | Sep 2022 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 8.15 mg/L | 5.00 | +63% | Aug 2022 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 6.80 MPN/100mL | 3.00 | +127% | Jul 2022 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 3.40 MPN/100mL | 2.00 | +70% | Dec 2021 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 9.14 mg/L | 5.00 | +83% | Sep 2021 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 6.94 mg/L | 5.00 | +39% | Aug 2021 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 8.49 mg/L | 5.00 | +70% | Aug 2021 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 33.30 MPN/100mL | 3.00 | +1,010% | Jul 2021 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 8.75 mg/L | 5.00 | +75% | Jul 2021 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 8.75 mg/L | 5.00 | +75% | Jul 2021 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 18.60 MPN/100mL | 3.00 | +520% | Jun 2021 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 11.81 mg/L | 5.00 | +136% | May 2021 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 11.81 mg/L | 5.00 | +136% | May 2021 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 4.55 MPN/100mL | 2.00 | +128% | Dec 2020 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 4.55 MPN/100mL | 2.00 | +128% | Dec 2020 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 10.11 mg/L | 5.00 | +102% | Sep 2020 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 32.40 mg/L | 5.00 | +548% | Sep 2020 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 8.32 mg/L | 5.00 | +66% | Aug 2020 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 7.08 mg/L | 5.00 | +42% | May 2020 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 5.75 mg/L | 5.00 | +15% | May 2020 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 4.10 MPN/100mL | 3.00 | +37% | Jul 2019 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 8.59 mg/L | 5.00 | +72% | Jul 2019 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 11.10 mg/L | 5.00 | +122% | May 2019 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 5.88 mg/L | 5.00 | +18% | Mar 2019 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 5.79 mg/L | 5.00 | +16% | Oct 2018 | Open |
| Coliform, fecal general | DMR, Limited - Overdue | 4.60 MPN/100mL | 2.00 | +130% | Dec 2017 | Resolved |
| Coliform, fecal general | DMR, Limited - Overdue | 4.60 MPN/100mL | 2.00 | +130% | Dec 2017 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 4.60 MPN/100mL | 2.00 | +130% | Dec 2017 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 4.60 MPN/100mL | 2.00 | +130% | Dec 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.16 MGD | 0.15 | +7% | May 2017 | Open |
| Chloride [as Cl] | DMR, Limited - Overdue | 425.00 mg/L | 250.00 | +70% | Mar 2017 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 425.00 mg/L | 250.00 | +70% | Mar 2017 | Open |
| Chloride [as Cl] | DMR, Limited - Overdue | 300.00 mg/L | 250.00 | +20% | Mar 2017 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 300.00 mg/L | 250.00 | +20% | Mar 2017 | Open |
| Coliform, fecal general | DMR, Limited - Overdue | 23.00 MPN/100mL | 2.00 | +99,999% | Mar 2017 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 23.00 MPN/100mL | 2.00 | +99,999% | Mar 2017 | Open |
| Nitrogen, total [as N] | DMR, Limited - Overdue | 2.88 mg/L | 2.70 | +7% | Mar 2017 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 2.88 mg/L | 2.70 | +7% | Mar 2017 | 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.
State CWA Penalty AO
Clean Water Act
· Case MD-PS-19-2563 · Dec 12, 2018
$4,410
State CWA Penalty AO
Clean Water Act
· Case MD-SP-19-2556 · Nov 5, 2018
$12,000
State Administrative Order of Consent
Clean Water Act
· Case MD-CO-13-1825 · Jan 7, 2013
$25,000
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