CITY OF OGLESBY WWTP

NPDES ID: TX0100854

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: 5 effluent violations.

Violations

May 31, 2026

pH

0% over limit

Discharged 9.1 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Numeric Violation

Oxygen, dissolved [DO]

5% over limit

Discharged 3.8 mg/L against a permitted limit of 4 mg/L (MO MIN)

DMR, Limited - Numeric Violation

E. coli

181% over limit

Discharged 1120 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)

DMR, Limited - Numeric Violation

April 30, 2026

E. coli

16% over limit

Discharged 461 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

10% over limit

Discharged 33 mg/L against a permitted limit of 30 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

March 31, 2026

BOD, 5-day, 20 deg. C

23% over limit

Discharged 123 mg/L against a permitted limit of 100 mg/L (SINGGRAB)

DMR, Limited - Numeric Violation

Oxygen, dissolved [DO]

13% over limit

Discharged 3.5 mg/L against a permitted limit of 4 mg/L (MO MIN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

3% over limit

Discharged 31 mg/L against a permitted limit of 30 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

February 28, 2026

BOD, 5-day, 20 deg. C

70% over limit

Discharged 51 mg/L against a permitted limit of 30 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 9.3 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Numeric Violation

Solids, total suspended

31% over limit

Discharged 118 mg/L against a permitted limit of 90 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

January 31, 2026

Solids, total suspended

47% over limit

Discharged 132 mg/L against a permitted limit of 90 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

70% over limit

Discharged 51 mg/L against a permitted limit of 30 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 9.3 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Numeric Violation

December 31, 2025

Solids, total suspended

14% over limit

Discharged 103 mg/L against a permitted limit of 90 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 9.2 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Numeric Violation

E. coli

16% over limit

Discharged 461 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)

DMR, Limited - Numeric Violation

November 30, 2025

E. coli

201% over limit

Discharged 1200 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 9.8 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Numeric Violation

October 31, 2025

BOD, 5-day, 20 deg. C

20% over limit

Discharged 36 mg/L against a permitted limit of 30 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

Solids, total suspended

10% over limit

Discharged 99 mg/L against a permitted limit of 90 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 10 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Numeric Violation

September 30, 2025

BOD, 5-day, 20 deg. C

73% over limit

Discharged 173 mg/L against a permitted limit of 100 mg/L (SINGGRAB)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

43% over limit

Discharged 43 mg/L against a permitted limit of 30 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 9.8 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Numeric Violation

August 31, 2025

BOD, 5-day, 20 deg. C

7% over limit

Discharged 6.30832995 kg/d against a permitted limit of 5.902 kg/d (DAILY AV)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 9.9 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

13% over limit

Discharged 34 mg/L against a permitted limit of 30 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

July 31, 2025

E. coli

16% over limit

Discharged 461 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 0 SU against a permitted limit of 6 SU (MINIMUM)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

29% over limit

Discharged 129 mg/L against a permitted limit of 100 mg/L (SINGGRAB)

DMR, Limited - Numeric Violation

Oxygen, dissolved [DO]

1% over limit

Discharged 3.96 mg/L against a permitted limit of 4 mg/L (MO MIN)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 9.6 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Numeric Violation

June 30, 2025

Solids, total suspended

14% over limit

Discharged 103 mg/L against a permitted limit of 90 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

42% over limit

Discharged 142 mg/L against a permitted limit of 100 mg/L (SINGGRAB)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 9.8 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

20% over limit

Discharged 36 mg/L against a permitted limit of 30 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

E. coli

93% over limit

Discharged 770 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)

DMR, Limited - Numeric Violation

May 31, 2025

BOD, 5-day, 20 deg. C

43% over limit

Discharged 43 mg/L against a permitted limit of 30 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

E. coli

93% over limit

Discharged 770 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)

DMR, Limited - Numeric Violation

Solids, total suspended

29% over limit

Discharged 116 mg/L against a permitted limit of 90 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 9.2 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

70% over limit

Discharged 170 mg/L against a permitted limit of 100 mg/L (SINGGRAB)

DMR, Limited - Numeric Violation

March 31, 2025

E. coli

9% over limit

Discharged 435 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)

DMR, Limited - Numeric Violation

February 28, 2025

Solids, total suspended

119% over limit

Discharged 197 mg/L against a permitted limit of 90 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 9.2 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Numeric Violation

E. coli

Limit violation

Discharged 2420 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)

DMR, Limited - Numeric Violation

E. coli

1821% over limit

Discharged 2420 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)

DMR, Limited - Numeric Violation

January 31, 2025

pH

0% over limit

Discharged 9.2 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

47% over limit

Discharged 44 mg/L against a permitted limit of 30 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

Solids, total suspended

40% over limit

Discharged 125.823 mg/L against a permitted limit of 90 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

December 31, 2024

E. coli

287% over limit

Discharged 488 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)

DMR, Limited - Numeric Violation

E. coli

22% over limit

Discharged 488 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)

DMR, Limited - Numeric Violation

Solids, total suspended

20% over limit

Discharged 108 mg/L against a permitted limit of 90 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

November 30, 2024

Solids, total suspended

58% over limit

Discharged 142 mg/L against a permitted limit of 90 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

E. coli

11% over limit

Discharged 140 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 9.4 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Numeric Violation

October 31, 2024

Oxygen, dissolved [DO]

38% over limit

Discharged 2.5 mg/L against a permitted limit of 4 mg/L (MO MIN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

10% over limit

Discharged 33 mg/L against a permitted limit of 30 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

Solids, total suspended

67% over limit

Discharged 150 mg/L against a permitted limit of 90 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 9.1 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Numeric Violation

September 30, 2024

BOD, 5-day, 20 deg. C

43% over limit

Discharged 43 mg/L against a permitted limit of 30 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

E. coli

1821% over limit

Discharged 2420 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)

DMR, Limited - Numeric Violation

Oxygen, dissolved [DO]

53% over limit

Discharged 1.9 mg/L against a permitted limit of 4 mg/L (MO MIN)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 9.4 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Numeric Violation

E. coli

507% over limit

Discharged 2420 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)

DMR, Limited - Numeric Violation

August 31, 2024

Oxygen, dissolved [DO]

63% over limit

Discharged 1.5 mg/L against a permitted limit of 4 mg/L (MO MIN)

DMR, Limited - Numeric Violation

July 31, 2024

Oxygen, dissolved [DO]

53% over limit

Discharged 1.9 mg/L against a permitted limit of 4 mg/L (MO MIN)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 9.3 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (23 days ago)