REXBURG, CITY OF - REXBURG WWTP

NPDES ID: ID0023817

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

BOD, 5-day, 20 deg. C

38% over limit

Discharged 566.05173524 kg/d against a permitted limit of 409.05399656 kg/d (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

26% over limit

Discharged 37.75 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

January 31, 2026

Solids, total suspended

176% over limit

Discharged 1688.71654581 kg/d against a permitted limit of 612.89999485 kg/d (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

396% over limit

Discharged 223 mg/L against a permitted limit of 45 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

181% over limit

Discharged 84.17 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

102% over limit

Discharged 824.66829307 kg/d against a permitted limit of 409.05399656 kg/d (MO AVG)

DMR, Limited - Numeric Violation

December 31, 2025

Solids, total suspended

199% over limit

Discharged 1832.5982246 kg/d against a permitted limit of 612.89999485 kg/d (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

438% over limit

Discharged 242 mg/L against a permitted limit of 45 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

98% over limit

Discharged 59.33 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

10% over limit

Discharged 449.31471622 kg/d against a permitted limit of 409.05399656 kg/d (MO AVG)

DMR, Limited - Numeric Violation

November 30, 2025

Solids, total suspended

458% over limit

Discharged 251 mg/L against a permitted limit of 45 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

91% over limit

Discharged 781.50651343 kg/d against a permitted limit of 409.05399656 kg/d (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

210% over limit

Discharged 1900.75270403 kg/d against a permitted limit of 612.89999485 kg/d (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

244% over limit

Discharged 103.2 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, suspended percent removal

7% over limit

Discharged 84 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

October 31, 2025

Solids, suspended percent removal

47% over limit

Discharged 78 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

Solids, total suspended

111% over limit

Discharged 95 mg/L against a permitted limit of 45 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

17% over limit

Discharged 719.40839396 kg/d against a permitted limit of 612.89999485 kg/d (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

47% over limit

Discharged 603.29335493 kg/d against a permitted limit of 409.05399656 kg/d (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

132% over limit

Discharged 69.5 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

September 30, 2025

Solids, total suspended

3% over limit

Discharged 30.8 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

April 30, 2025

Solids, total suspended

31% over limit

Discharged 59 mg/L against a permitted limit of 45 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (23 days ago)