GLOUCESTER COUNTY WATER TREATMENT PLANT

NPDES ID: VA0078778

E — SNC: Effluent violation (monthly average limit)

The facility discharged more of a pollutant than its permit allows, based on a monthly average.

This quarter: 4 effluent violations.

Violations

May 31, 2026

Chloride [as Cl]

1298% over limit

Discharged 5454 mg/L against a permitted limit of 390 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Chloride [as Cl]

1298% over limit

Discharged 5454 mg/L against a permitted limit of 390 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

April 30, 2026

Chloride [as Cl]

1217% over limit

Discharged 5136 mg/L against a permitted limit of 390 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Chloride [as Cl]

1217% over limit

Discharged 5136 mg/L against a permitted limit of 390 mg/L (MO AVG)

DMR, Limited - Numeric Violation

March 31, 2026

Chloride [as Cl]

1196% over limit

Discharged 5053 mg/L against a permitted limit of 390 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Chloride [as Cl]

1196% over limit

Discharged 5053 mg/L against a permitted limit of 390 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

January 31, 2026

Chloride [as Cl]

1168% over limit

Discharged 4944 mg/L against a permitted limit of 390 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Chloride [as Cl]

1168% over limit

Discharged 4944 mg/L against a permitted limit of 390 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

September 30, 2025

Chloride [as Cl]

1160% over limit

Discharged 4914 mg/L against a permitted limit of 390 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Chloride [as Cl]

1160% over limit

Discharged 4914 mg/L against a permitted limit of 390 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

43% over limit

Discharged 43 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

July 31, 2025

Chloride [as Cl]

971% over limit

Discharged 4178 mg/L against a permitted limit of 390 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Chloride [as Cl]

971% over limit

Discharged 4178 mg/L against a permitted limit of 390 mg/L (MO AVG)

DMR, Limited - Numeric Violation

June 30, 2025

Chloride [as Cl]

745% over limit

Discharged 3297 mg/L against a permitted limit of 390 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Chloride [as Cl]

745% over limit

Discharged 3297 mg/L against a permitted limit of 390 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

May 31, 2025

Chloride [as Cl]

786% over limit

Discharged 3454 mg/L against a permitted limit of 390 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Chloride [as Cl]

786% over limit

Discharged 3454 mg/L against a permitted limit of 390 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

April 30, 2025

Chloride [as Cl]

1087% over limit

Discharged 4629 mg/L against a permitted limit of 390 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Chloride [as Cl]

1087% over limit

Discharged 4629 mg/L against a permitted limit of 390 mg/L (MO AVG)

DMR, Limited - Numeric Violation

March 31, 2025

Sulfate, total [as SO4]

212% over limit

Discharged 78.1 mg/L against a permitted limit of 25 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Chloride [as Cl]

749% over limit

Discharged 3313 mg/L against a permitted limit of 390 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Chloride [as Cl]

4788% over limit

Discharged 1222 mg/L against a permitted limit of 25 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Toxic Units Static 48HR Acute Ceriodaphnia dubia

101% over limit

Discharged 2.74 toxic against a permitted limit of 1.36 toxic (MAXIMUM)

DMR, Limited - Numeric Violation

Solids, total dissolved

4420% over limit

Discharged 2260 mg/L against a permitted limit of 50 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Sulfate, total [as SO4]

212% over limit

Discharged 78.1 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Chloride [as Cl]

4788% over limit

Discharged 1222 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total dissolved

4420% over limit

Discharged 2260 mg/L against a permitted limit of 50 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Chloride [as Cl]

749% over limit

Discharged 3313 mg/L against a permitted limit of 390 mg/L (MO AVG)

DMR, Limited - Numeric Violation

February 28, 2025

Chloride [as Cl]

642% over limit

Discharged 2894 mg/L against a permitted limit of 390 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Chloride [as Cl]

642% over limit

Discharged 2894 mg/L against a permitted limit of 390 mg/L (MO AVG)

DMR, Limited - Numeric Violation

January 31, 2025

Chloride [as Cl]

826% over limit

Discharged 3613 mg/L against a permitted limit of 390 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Chloride [as Cl]

826% over limit

Discharged 3613 mg/L against a permitted limit of 390 mg/L (MO AVG)

DMR, Limited - Numeric Violation

December 31, 2024

Solids, total dissolved

3660% over limit

Discharged 1880 mg/L against a permitted limit of 50 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Chloride [as Cl]

1317% over limit

Discharged 5526 mg/L against a permitted limit of 390 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Chloride [as Cl]

1317% over limit

Discharged 5526 mg/L against a permitted limit of 390 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Sulfate, total [as SO4]

190% over limit

Discharged 72.6 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total dissolved

3660% over limit

Discharged 1880 mg/L against a permitted limit of 50 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Chloride [as Cl]

5368% over limit

Discharged 1367 mg/L against a permitted limit of 25 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Chloride [as Cl]

5368% over limit

Discharged 1367 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Sulfate, total [as SO4]

190% over limit

Discharged 72.6 mg/L against a permitted limit of 25 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

November 30, 2024

Chloride [as Cl]

456% over limit

Discharged 2168 mg/L against a permitted limit of 390 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Chloride [as Cl]

456% over limit

Discharged 2168 mg/L against a permitted limit of 390 mg/L (MO AVG)

DMR, Limited - Numeric Violation

October 31, 2024

Chloride [as Cl]

898% over limit

Discharged 3892 mg/L against a permitted limit of 390 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Chloride [as Cl]

898% over limit

Discharged 3892 mg/L against a permitted limit of 390 mg/L (MO AVG)

DMR, Limited - Numeric Violation

September 30, 2024

Toxic Units Static 48HR Acute Ceriodaphnia dubia

18% over limit

Discharged 1.6 toxic against a permitted limit of 1.36 toxic (MAXIMUM)

DMR, Limited - Numeric Violation

Chloride [as Cl]

5204% over limit

Discharged 1326 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total dissolved

3900% over limit

Discharged 2000 mg/L against a permitted limit of 50 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Chloride [as Cl]

989% over limit

Discharged 4246 mg/L against a permitted limit of 390 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Sulfate, total [as SO4]

188% over limit

Discharged 71.9 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Chloride [as Cl]

989% over limit

Discharged 4246 mg/L against a permitted limit of 390 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Chloride [as Cl]

5204% over limit

Discharged 1326 mg/L against a permitted limit of 25 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total dissolved

3900% over limit

Discharged 2000 mg/L against a permitted limit of 50 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Sulfate, total [as SO4]

188% over limit

Discharged 71.9 mg/L against a permitted limit of 25 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

August 31, 2024

Chloride [as Cl]

690% over limit

Discharged 3082 mg/L against a permitted limit of 390 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Chloride [as Cl]

690% over limit

Discharged 3082 mg/L against a permitted limit of 390 mg/L (MO AVG)

DMR, Limited - Numeric Violation

July 31, 2024

Chloride [as Cl]

413% over limit

Discharged 1999 mg/L against a permitted limit of 390 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Chloride [as Cl]

413% over limit

Discharged 1999 mg/L against a permitted limit of 390 mg/L (MO AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (24 days ago)