MARTINSVILLE CITY SEWAGE TREATMENT PLANT

NPDES ID: VA0025305

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

Solids, total suspended

202% over limit

Discharged 90.6 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, suspended percent removal

4% over limit

Discharged 84.475 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

Solids, total suspended

55% over limit

Discharged 2111 kg/d against a permitted limit of 1363 kg/d (MX WK AV)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

27% over limit

Discharged 865 kg/d against a permitted limit of 681 kg/d (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

65% over limit

Discharged 1502 kg/d against a permitted limit of 908 kg/d (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

203% over limit

Discharged 68.2 mg/L against a permitted limit of 22.5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, percent removal [total]

262% over limit

Discharged 45.7 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

Solids, total suspended

153% over limit

Discharged 113.8 mg/L against a permitted limit of 45 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

171% over limit

Discharged 91.6 mg/L against a permitted limit of 33.8 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

46% over limit

Discharged 1496 kg/d against a permitted limit of 1022 kg/d (MX WK AV)

DMR, Limited - Numeric Violation

February 28, 2026

Solids, total suspended

61% over limit

Discharged 72.6 mg/L against a permitted limit of 45 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

E. coli

163% over limit

Discharged 332 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

130% over limit

Discharged 77.78 mg/L against a permitted limit of 33.8 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

Solids, total suspended

60% over limit

Discharged 47.9 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

31% over limit

Discharged 1339 kg/d against a permitted limit of 1022 kg/d (MX WK AV)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

109% over limit

Discharged 47.08 mg/L against a permitted limit of 22.5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

January 31, 2026

BOD, 5-day, 20 deg. C

58% over limit

Discharged 35.6 mg/L against a permitted limit of 22.5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

94% over limit

Discharged 58.12 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

20% over limit

Discharged 40.6 mg/L against a permitted limit of 33.8 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

Solids, total suspended

58% over limit

Discharged 70.9 mg/L against a permitted limit of 45 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

December 31, 2025

Nitrogen, ammonia total [as N]

123% over limit

Discharged 21.2 mg/L against a permitted limit of 9.5 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (23 days ago)