O B CURTIS WATER TREATMENT PLANT

NPDES ID: MS0046906

X — SNC: Effluent violation (non-monthly average limit)

The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.

This quarter: 3 effluent violations.

Violations

April 30, 2026

Solids, total suspended

648% over limit

Discharged 336.5 mg/L against a permitted limit of 45 mg/L (MX MO AV)

DMR, Limited - Numeric Violation

Solids, total suspended

1307% over limit

Discharged 950 mg/L against a permitted limit of 67.5 mg/L (WKLY MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

7% over limit

Discharged 781.50651343 kg/d against a permitted limit of 730.486 kg/d (WKLY MAX)

DMR, Limited - Numeric Violation

March 31, 2026

Solids, total suspended

442% over limit

Discharged 366 mg/L against a permitted limit of 67.5 mg/L (WKLY MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

397% over limit

Discharged 223.5 mg/L against a permitted limit of 45 mg/L (MX MO AV)

DMR, Limited - Numeric Violation

February 28, 2026

Solids, total suspended

441% over limit

Discharged 3953.71798678 kg/d against a permitted limit of 730.486 kg/d (WKLY MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

425% over limit

Discharged 236.25 mg/L against a permitted limit of 45 mg/L (MX MO AV)

DMR, Limited - Numeric Violation

Solids, total suspended

581% over limit

Discharged 460 mg/L against a permitted limit of 67.5 mg/L (WKLY MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

222% over limit

Discharged 1567.92076683 kg/d against a permitted limit of 487.142 kg/d (MX MO AV)

DMR, Limited - Numeric Violation

January 31, 2026

Solids, total suspended

166% over limit

Discharged 119.5 mg/L against a permitted limit of 45 mg/L (MX MO AV)

DMR, Limited - Numeric Violation

Solids, total suspended

285% over limit

Discharged 260 mg/L against a permitted limit of 67.5 mg/L (WKLY MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

109% over limit

Discharged 1525.90306718 kg/d against a permitted limit of 730.486 kg/d (WKLY MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

1% over limit

Discharged 491.24161587 kg/d against a permitted limit of 487.142 kg/d (MX MO AV)

DMR, Limited - Numeric Violation

December 31, 2025

Solids, total suspended

90% over limit

Discharged 128 mg/L against a permitted limit of 67.5 mg/L (WKLY MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

25% over limit

Discharged 56.4 mg/L against a permitted limit of 45 mg/L (MX MO AV)

DMR, Limited - Numeric Violation

November 30, 2025

Solids, total suspended

19% over limit

Discharged 80 mg/L against a permitted limit of 67.5 mg/L (WKLY MAX)

DMR, Limited - Numeric Violation

October 31, 2025

Solids, total suspended

412% over limit

Discharged 230.4 mg/L against a permitted limit of 45 mg/L (MX MO AV)

DMR, Limited - Numeric Violation

Solids, total suspended

356% over limit

Discharged 308 mg/L against a permitted limit of 67.5 mg/L (WKLY MAX)

DMR, Limited - Numeric Violation

September 30, 2025

Solids, total suspended

273% over limit

Discharged 252 mg/L against a permitted limit of 67.5 mg/L (WKLY MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

258% over limit

Discharged 161 mg/L against a permitted limit of 45 mg/L (MX MO AV)

DMR, Limited - Numeric Violation

August 31, 2025

Solids, total suspended

261% over limit

Discharged 244 mg/L against a permitted limit of 67.5 mg/L (WKLY MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

120% over limit

Discharged 99 mg/L against a permitted limit of 45 mg/L (MX MO AV)

DMR, Limited - Numeric Violation

July 31, 2025

Solids, total suspended

33% over limit

Discharged 90 mg/L against a permitted limit of 67.5 mg/L (WKLY MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

27% over limit

Discharged 57.33 mg/L against a permitted limit of 45 mg/L (MX MO AV)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 5.4 SU against a permitted limit of 6 SU (MINIMUM)

DMR, Limited - Numeric Violation

June 30, 2025

Solids, total suspended

266% over limit

Discharged 164.75 mg/L against a permitted limit of 45 mg/L (MX MO AV)

DMR, Limited - Numeric Violation

Solids, total suspended

516% over limit

Discharged 416 mg/L against a permitted limit of 67.5 mg/L (WKLY MAX)

DMR, Limited - Numeric Violation

May 31, 2025

Solids, total suspended

153% over limit

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

DMR, Limited - Numeric Violation

Solids, total suspended

469% over limit

Discharged 384 mg/L against a permitted limit of 67.5 mg/L (WKLY MAX)

DMR, Limited - Numeric Violation

April 30, 2025

Solids, total suspended

99% over limit

Discharged 89.5 mg/L against a permitted limit of 45 mg/L (MX MO AV)

DMR, Limited - Numeric Violation

Solids, total suspended

325% over limit

Discharged 287 mg/L against a permitted limit of 67.5 mg/L (WKLY MAX)

DMR, Limited - Numeric Violation

March 31, 2025

Solids, total suspended

803% over limit

Discharged 406.25 mg/L against a permitted limit of 45 mg/L (MX MO AV)

DMR, Limited - Numeric Violation

Solids, total suspended

2122% over limit

Discharged 1500 mg/L against a permitted limit of 67.5 mg/L (WKLY MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

545% over limit

Discharged 4714.01816039 kg/d against a permitted limit of 730.486 kg/d (WKLY MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

157% over limit

Discharged 1249.6985495 kg/d against a permitted limit of 487.142 kg/d (MX MO AV)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 5.77 SU against a permitted limit of 6 SU (MINIMUM)

DMR, Limited - Numeric Violation

February 28, 2025

Solids, total suspended

96% over limit

Discharged 88 mg/L against a permitted limit of 45 mg/L (MX MO AV)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 3.58 SU against a permitted limit of 6 SU (MINIMUM)

DMR, Limited - Numeric Violation

Solids, total suspended

122% over limit

Discharged 150 mg/L against a permitted limit of 67.5 mg/L (WKLY MAX)

DMR, Limited - Numeric Violation

December 31, 2024

Solids, total suspended

64% over limit

Discharged 73.75 mg/L against a permitted limit of 45 mg/L (MX MO AV)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 4.3 SU against a permitted limit of 6 SU (MINIMUM)

DMR, Limited - Numeric Violation

Solids, total suspended

291% over limit

Discharged 264 mg/L against a permitted limit of 67.5 mg/L (WKLY MAX)

DMR, Limited - Numeric Violation

November 30, 2024

Solids, total suspended

916% over limit

Discharged 457.25 mg/L against a permitted limit of 45 mg/L (MX MO AV)

DMR, Limited - Numeric Violation

Solids, total suspended

1104% over limit

Discharged 813 mg/L against a permitted limit of 67.5 mg/L (WKLY MAX)

DMR, Limited - Numeric Violation

October 31, 2024

Solids, total suspended

256% over limit

Discharged 240 mg/L against a permitted limit of 67.5 mg/L (WKLY MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

209% over limit

Discharged 139.2 mg/L against a permitted limit of 45 mg/L (MX MO AV)

DMR, Limited - Numeric Violation

September 30, 2024

Solids, total suspended

303% over limit

Discharged 181.5 mg/L against a permitted limit of 45 mg/L (MX MO AV)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 5.7 SU against a permitted limit of 6 SU (MINIMUM)

DMR, Limited - Numeric Violation

Solids, total suspended

558% over limit

Discharged 444 mg/L against a permitted limit of 67.5 mg/L (WKLY MAX)

DMR, Limited - Numeric Violation

August 31, 2024

Solids, total suspended

316% over limit

Discharged 187 mg/L against a permitted limit of 45 mg/L (MX MO AV)

DMR, Limited - Numeric Violation

Solids, total suspended

370% over limit

Discharged 2287.67874078 kg/d against a permitted limit of 487.142 kg/d (MX MO AV)

DMR, Limited - Numeric Violation

Solids, total suspended

733% over limit

Discharged 6086.19682886 kg/d against a permitted limit of 730.486 kg/d (WKLY MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

744% over limit

Discharged 570 mg/L against a permitted limit of 67.5 mg/L (WKLY MAX)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

August 1, 2026 (5 days ago)