DEEP CREEK LAKE 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
-
762 MAYHEW INN ROAD
OAKLAND, MD 21550
View on map ↗ - County
- GARRETT County
- Inspections
- 9 · last Sep 30, 2025
- Total Penalties
- $0 · last Jul 20, 2007
- Registry ID
- 110009915486
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 | Schedule Event unachieved and not reported | Mar 31, 2025 | May 1, 2025 | Resolved |
| cwa | Schedule Event unachieved and not reported | Mar 31, 2025 | May 1, 2025 | Resolved |
| cwa | Schedule Event unachieved and not reported | Mar 31, 2024 | May 1, 2024 | Resolved |
| cwa | Schedule Event unachieved and not reported | Mar 31, 2024 | May 1, 2024 | Resolved |
| cwa | Schedule Event unachieved and not reported | Mar 31, 2023 | May 1, 2023 | Resolved |
| cwa | Schedule Event unachieved and not reported | Mar 31, 2023 | May 1, 2023 | Resolved |
| cwa | Schedule Event reported late | Mar 31, 2022 | — | Open |
| cwa | Schedule Event reported late | May 31, 2021 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Jul 1, 2006 | — | 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 N] | DMR, Limited - Numeric Violation | 13.80 mg/L | 6.10 | +126% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.60 mg/L | 2.80 | +64% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.30 mg/L | 6.10 | +36% | Jan 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.70 mg/L | 6.10 | +75% | Feb 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 13.30 mg/L | 6.10 | +118% | Jan 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.90 mg/L | 4.70 | +4% | May 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.90 mg/L | 6.10 | +79% | Jan 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.70 mg/L | 6.10 | +59% | Feb 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.40 mg/L | 6.10 | +5% | Jan 2022 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 4.50 mg/L | 1.40 | +221% | Oct 2021 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 2.30 mg/L | 0.90 | +156% | Oct 2021 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 2.40 mg/L | 0.90 | +167% | Sep 2021 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 3.10 mg/L | 1.40 | +121% | Sep 2021 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.89 mg/L | 2.20 | +213% | Oct 2019 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 17.70 mg/L | 9.40 | +88% | Oct 2019 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.00 mg/L | 8.70 | +3% | Jan 2019 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 27.60 mg/L | 14.00 | +97% | Jan 2019 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.65 mg/L | 1.50 | +10% | Sep 2018 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.09 mg/L | 1.00 | +9% | Sep 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 28.00 mg/L | 8.70 | +222% | Jan 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 56.50 mg/L | 14.00 | +304% | Jan 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.60 mg/L | 8.70 | +10% | Jan 2017 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 35.00 mg/L | 14.00 | +150% | Jan 2017 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 29.00 mg/L | 14.00 | +107% | Feb 2016 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 17.00 mg/L | 8.70 | +95% | Feb 2016 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 28.00 mg/L | 8.70 | +222% | Jan 2016 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 31.00 mg/L | 14.00 | +121% | Jan 2016 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 46.00 mg/L | 45.00 | +2% | Jul 2015 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 18.00 mg/L | 14.00 | +29% | Mar 2015 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.90 mg/L | 8.70 | +2% | Feb 2015 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 23.00 mg/L | 14.00 | +64% | Jan 2015 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 18.00 mg/L | 8.70 | +107% | Jan 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.