EmissionsLookup
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
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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

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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