POTOMAC ADMINISTRATIVE SITE

NPDES ID: WVG550433

D — SNC: Discharge monitoring report not received

The facility didn't submit its required discharge monitoring report.

Violations

March 31, 2026

Solids, total suspended

13% over limit

Discharged 34 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

December 31, 2025

BOD, 5-day, 20 deg. C

0% over limit

Discharged 0 kg/d against a permitted limit of 0 kg/d (DAILY MX)

DMR, Monitor Only - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 0 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 60 mg/L (DAILY MX)

DMR, Limited - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (INST MAX)

DMR, Limited - Overdue

Coliform, fecal general

0% over limit

Discharged 0 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Overdue

Coliform, fecal general

0% over limit

Discharged 0 MPN/100mL against a permitted limit of 200 MPN/100mL (MO GEOMN)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 75 mg/L (INST MAX)

DMR, Limited - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 0 mg/L against a permitted limit of 75 mg/L (INST MAX)

DMR, Limited - Overdue

Coliform, fecal general

0% over limit

Discharged 0 MPN/100mL against a permitted limit of 500 MPN/100mL (INST MAX)

DMR, Limited - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 0 mg/L against a permitted limit of 60 mg/L (DAILY MX)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)

DMR, Monitor Only - Overdue

Solids, total suspended

0% over limit

Discharged 0 kg/d against a permitted limit of 0 kg/d (DAILY MX)

DMR, Monitor Only - Overdue

Flow, in conduit or thru treatment plant

0% over limit

Discharged 0 MGD against a permitted limit of 0.0015 MGD (DAILY MX)

DMR, Limited - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6 SU (INST MIN)

DMR, Limited - Overdue

September 30, 2025

BOD, 5-day, 20 deg. C

0% over limit

Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)

DMR, Monitor Only - Overdue

Solids, total suspended

0% over limit

Discharged 0 kg/d against a permitted limit of 0 kg/d (DAILY MX)

DMR, Monitor Only - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 0 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)

DMR, Monitor Only - Overdue

Coliform, fecal general

0% over limit

Discharged 0 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 0 mg/L against a permitted limit of 75 mg/L (INST MAX)

DMR, Limited - Overdue

Coliform, fecal general

0% over limit

Discharged 0 MPN/100mL against a permitted limit of 500 MPN/100mL (INST MAX)

DMR, Limited - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (INST MAX)

DMR, Limited - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6 SU (INST MIN)

DMR, Limited - Overdue

Coliform, fecal general

0% over limit

Discharged 0 MPN/100mL against a permitted limit of 200 MPN/100mL (MO GEOMN)

DMR, Limited - Overdue

Flow, in conduit or thru treatment plant

0% over limit

Discharged 0 MGD against a permitted limit of 0.0015 MGD (DAILY MX)

DMR, Limited - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 0 mg/L against a permitted limit of 60 mg/L (DAILY MX)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 75 mg/L (INST MAX)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 60 mg/L (DAILY MX)

DMR, Limited - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 0 kg/d against a permitted limit of 0 kg/d (DAILY MX)

DMR, Monitor Only - Overdue

June 30, 2025

BOD, 5-day, 20 deg. C

0% over limit

Discharged 0 mg/L against a permitted limit of 75 mg/L (INST MAX)

DMR, Limited - Overdue

Coliform, fecal general

0% over limit

Discharged 0 MPN/100mL against a permitted limit of 200 MPN/100mL (MO GEOMN)

DMR, Limited - Overdue

Flow, in conduit or thru treatment plant

0% over limit

Discharged 0 MGD against a permitted limit of 0.0015 MGD (DAILY MX)

DMR, Limited - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 0 kg/d against a permitted limit of 0 kg/d (DAILY MX)

DMR, Monitor Only - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 60 mg/L (DAILY MX)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)

DMR, Monitor Only - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 75 mg/L (INST MAX)

DMR, Limited - Overdue

Coliform, fecal general

0% over limit

Discharged 0 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (INST MAX)

DMR, Limited - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)

DMR, Monitor Only - Overdue

Solids, total suspended

0% over limit

Discharged 0 kg/d against a permitted limit of 0 kg/d (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6 SU (INST MIN)

DMR, Limited - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 0 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 0 mg/L against a permitted limit of 60 mg/L (DAILY MX)

DMR, Limited - Overdue

Coliform, fecal general

0% over limit

Discharged 0 MPN/100mL against a permitted limit of 500 MPN/100mL (INST MAX)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Overdue

March 31, 2025

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (INST MAX)

DMR, Limited - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 0 kg/d against a permitted limit of 0 kg/d (DAILY MX)

DMR, Monitor Only - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 60 mg/L (DAILY MX)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 75 mg/L (INST MAX)

DMR, Limited - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 0 mg/L against a permitted limit of 75 mg/L (INST MAX)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 0 kg/d against a permitted limit of 0 kg/d (DAILY MX)

DMR, Monitor Only - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 0 mg/L against a permitted limit of 60 mg/L (DAILY MX)

DMR, Limited - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 0 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Overdue

Coliform, fecal general

0% over limit

Discharged 0 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)

DMR, Monitor Only - Overdue

Coliform, fecal general

0% over limit

Discharged 0 MPN/100mL against a permitted limit of 200 MPN/100mL (MO GEOMN)

DMR, Limited - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6 SU (INST MIN)

DMR, Limited - Overdue

Flow, in conduit or thru treatment plant

0% over limit

Discharged 0 MGD against a permitted limit of 0.0015 MGD (DAILY MX)

DMR, Limited - Overdue

Coliform, fecal general

0% over limit

Discharged 0 MPN/100mL against a permitted limit of 500 MPN/100mL (INST MAX)

DMR, Limited - Overdue

December 31, 2024

BOD, 5-day, 20 deg. C

225% over limit

Discharged 244 mg/L against a permitted limit of 75 mg/L (INST MAX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

307% over limit

Discharged 244 mg/L against a permitted limit of 60 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

713% over limit

Discharged 244 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

September 30, 2024

Solids, total suspended

0% over limit

Discharged 1.36199999 kg/d against a permitted limit of 0 kg/d (DAILY MX)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 7 SU against a permitted limit of 6 SU (INST MIN)

DMR, Limited - Overdue

Coliform, fecal general

0% over limit

Discharged 10 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Overdue

BOD, 5-day, 20 deg. C

83% over limit

Discharged 54.8 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Overdue

BOD, 5-day, 20 deg. C

83% over limit

Discharged 54.8 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Flow, in conduit or thru treatment plant

0% over limit

Discharged 0.0015 MGD against a permitted limit of 0.0015 MGD (DAILY MX)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 3 mg/L against a permitted limit of 75 mg/L (INST MAX)

DMR, Limited - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 24.87919979 kg/d against a permitted limit of 0 kg/d (MO AVG)

DMR, Monitor Only - Overdue

Coliform, fecal general

0% over limit

Discharged 10 MPN/100mL against a permitted limit of 200 MPN/100mL (MO GEOMN)

DMR, Limited - Overdue

Coliform, fecal general

0% over limit

Discharged 10 MPN/100mL against a permitted limit of 500 MPN/100mL (INST MAX)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 1.36199999 kg/d against a permitted limit of 0 kg/d (MO AVG)

DMR, Monitor Only - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 54.8 mg/L against a permitted limit of 75 mg/L (INST MAX)

DMR, Limited - Overdue

pH

0% over limit

Discharged 7 SU against a permitted limit of 9 SU (INST MAX)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 3 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 54.8 mg/L against a permitted limit of 60 mg/L (DAILY MX)

DMR, Limited - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 24.87919979 kg/d against a permitted limit of 0 kg/d (DAILY MX)

DMR, Monitor Only - Overdue

Solids, total suspended

0% over limit

Discharged 3 mg/L against a permitted limit of 60 mg/L (DAILY MX)

DMR, Limited - Overdue

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (23 days ago)