Non-Compliance
Clean Water Act
GLEN ARM WASTEWATER TREATMENT PLANT (FORMERLY GRUMMAN WWTP)
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $3,500 in total penalties since records began.
- Address
-
12200 LONG GREEN PIKE
GLEN ARM, MD 21057
View on map ↗ - County
- BALTIMORE County
- Inspections
- 1 · last Apr 3, 2025
- Total Penalties
- $3,500 · last Jan 5, 2022
- Registry ID
- 110009685689
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 |
|---|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 61.80 mg/L | 45.00 | +37% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.10 mg/L | 2.70 | +200% | Jan 2026 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 34.00 mg/L | 20.00 | +70% | Jan 2026 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 50.00 mg/L | 30.00 | +67% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 29.50 mg/L | 6.70 | +340% | Jan 2026 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 43.00 mg/L | 30.00 | +43% | Dec 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 33.00 mg/L | 30.00 | +10% | Nov 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 34.60 mg/L | 7.40 | +368% | Sep 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.20 mg/L | 2.00 | +260% | Sep 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.04 kg/d | 0.04 | +13% | Sep 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.28 kg/d | 0.14 | +107% | Sep 2025 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 17.90 mg/L | 15.00 | +19% | Mar 2025 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 17.90 mg/L | 15.00 | +19% | Mar 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.70 mg/L | 6.70 | +15% | Jan 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.16 kg/d | 0.12 | +33% | Dec 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.40 mg/L | 2.70 | +26% | Dec 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.20 mg/L | 6.70 | +52% | Dec 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 31.00 mg/L | 30.00 | +3% | Mar 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 21.00 mg/L | 20.00 | +5% | Mar 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.00 mg/L | 2.70 | +48% | Jan 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 12.00 mg/L | 6.70 | +79% | Jan 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.10 mg/L | 2.00 | +5% | Sep 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.60 mg/L | 2.00 | +80% | May 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 13.40 mg/L | 7.40 | +81% | May 2022 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 33.00 mg/L | 30.00 | +10% | Mar 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 75.00 mg/L | 6.70 | +1,019% | Feb 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.61 kg/d | 0.12 | +396% | Feb 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 26.40 mg/L | 2.70 | +878% | Feb 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.22 kg/d | 0.05 | +345% | Feb 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.61 kg/d | 0.12 | +396% | Jan 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.26 kg/d | 0.05 | +418% | Jan 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 63.90 mg/L | 6.70 | +854% | Jan 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 31.30 mg/L | 2.70 | +1,059% | Jan 2022 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 66.00 mg/L | 30.00 | +120% | Nov 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 25.00 mg/L | 20.00 | +25% | Nov 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 12.30 mg/L | 6.70 | +84% | Mar 2021 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.39 kg/d | 0.12 | +215% | Feb 2021 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 27.70 mg/L | 6.70 | +313% | Feb 2021 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.30 mg/L | 2.70 | +207% | Feb 2021 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.07 kg/d | 0.05 | +36% | Feb 2021 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.05 kg/d | 0.05 | +9% | Jan 2021 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.30 mg/L | 2.70 | +96% | Jan 2021 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.22 kg/d | 0.12 | +81% | Jan 2021 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 16.60 mg/L | 6.70 | +148% | Jan 2021 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.17 kg/d | 0.12 | +41% | Feb 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.70 mg/L | 6.70 | +45% | Feb 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 48.00 mg/L | 30.00 | +60% | Jun 2019 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.40 mg/L | 7.40 | +27% | May 2018 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.30 mg/L | 2.70 | +133% | Feb 2018 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 14.70 mg/L | 6.70 | +119% | Feb 2018 | Resolved |
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-22-2754 · Jan 5, 2022
$3,500
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