HERNDON CONSOLIDATED ELEMENTARY SCHOOL

NPDES ID: WVG551075

E — SNC: Effluent violation (monthly average limit)

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

Violations

March 31, 2026

Coliform, fecal general

7500% over limit

Discharged 38000 MPN/100mL against a permitted limit of 500 MPN/100mL (INST MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

50% over limit

Discharged 45 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

18900% over limit

Discharged 38000 MPN/100mL against a permitted limit of 200 MPN/100mL (MO GEOMN)

DMR, Limited - Numeric Violation

Coliform, fecal general

9400% over limit

Discharged 38000 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

15% over limit

Discharged 34.6 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

December 31, 2025

Solids, total suspended

733% over limit

Discharged 250 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

100900% over limit

Discharged 202000 MPN/100mL against a permitted limit of 200 MPN/100mL (MO GEOMN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

340% over limit

Discharged 132 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

40300% over limit

Discharged 202000 MPN/100mL against a permitted limit of 500 MPN/100mL (INST MAX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

120% over limit

Discharged 132 mg/L against a permitted limit of 60 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

233% over limit

Discharged 250 mg/L against a permitted limit of 75 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

317% over limit

Discharged 250 mg/L against a permitted limit of 60 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

76% over limit

Discharged 132 mg/L against a permitted limit of 75 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Coliform, fecal general

50400% over limit

Discharged 202000 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

September 30, 2025

BOD, 5-day, 20 deg. C

377% over limit

Discharged 143 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

138% over limit

Discharged 143 mg/L against a permitted limit of 60 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

33% over limit

Discharged 40 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

91% over limit

Discharged 143 mg/L against a permitted limit of 75 mg/L (INST MAX)

DMR, Limited - Numeric Violation

June 30, 2025

Coliform, fecal general

700% over limit

Discharged 4000 MPN/100mL against a permitted limit of 500 MPN/100mL (INST MAX)

DMR, Limited - Numeric Violation

Coliform, fecal general

900% over limit

Discharged 4000 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Coliform, fecal general

1900% over limit

Discharged 4000 MPN/100mL against a permitted limit of 200 MPN/100mL (MO GEOMN)

DMR, Limited - Numeric Violation

March 31, 2025

Coliform, fecal general

17550% over limit

Discharged 35300 MPN/100mL against a permitted limit of 200 MPN/100mL (MO GEOMN)

DMR, Limited - Numeric Violation

Solids, total suspended

25% over limit

Discharged 75 mg/L against a permitted limit of 60 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Coliform, fecal general

6960% over limit

Discharged 35300 MPN/100mL against a permitted limit of 500 MPN/100mL (INST MAX)

DMR, Limited - Numeric Violation

Coliform, fecal general

8725% over limit

Discharged 35300 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

150% over limit

Discharged 75 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

109% over limit

Discharged 62.8 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

5% over limit

Discharged 62.8 mg/L against a permitted limit of 60 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

December 31, 2024

Coliform, fecal general

8725% over limit

Discharged 35300 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

25% over limit

Discharged 75 mg/L against a permitted limit of 60 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Coliform, fecal general

6960% over limit

Discharged 35300 MPN/100mL against a permitted limit of 500 MPN/100mL (INST MAX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

109% over limit

Discharged 62.8 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

150% over limit

Discharged 75 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

17550% over limit

Discharged 35300 MPN/100mL against a permitted limit of 200 MPN/100mL (MO GEOMN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

5% over limit

Discharged 62.8 mg/L against a permitted limit of 60 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

September 30, 2024

Solids, total suspended

67% over limit

Discharged 50 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

2150% over limit

Discharged 9000 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Coliform, fecal general

4400% over limit

Discharged 9000 MPN/100mL against a permitted limit of 200 MPN/100mL (MO GEOMN)

DMR, Limited - Numeric Violation

Coliform, fecal general

1700% over limit

Discharged 9000 MPN/100mL against a permitted limit of 500 MPN/100mL (INST MAX)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

August 1, 2026 (4 days ago)