COLLINSVILLE, CITY OF
NPDES ID: OK0027375
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: 9 effluent violations.
Violations
June 30, 2026
pH
0% over limit
Discharged 9.22 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
E. coli
159% over limit
Discharged 1050 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2026
E. coli
496% over limit
Discharged 2420 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 9.21 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
E. coli
236% over limit
Discharged 423.17 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
29% over limit
Discharged 112.75543905 kg/d against a permitted limit of 87.48579926 kg/d (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
BOD, 5-day, 20 deg. C
169% over limit
Discharged 235.44893802 kg/d against a permitted limit of 87.48579926 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
199% over limit
Discharged 89.8 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
136% over limit
Discharged 106 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
March 31, 2026
BOD, 5-day, 20 deg. C
114% over limit
Discharged 64.33 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
64% over limit
Discharged 73.6 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
101% over limit
Discharged 176.11567852 kg/d against a permitted limit of 87.48579926 kg/d (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
BOD, 5-day, 20 deg. C
44% over limit
Discharged 43.1 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
25% over limit
Discharged 109.01901908 kg/d against a permitted limit of 87.48579926 kg/d (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
BOD, 5-day, 20 deg. C
144% over limit
Discharged 110 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
220% over limit
Discharged 96.03 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
219% over limit
Discharged 278.96029766 kg/d against a permitted limit of 87.48579926 kg/d (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
BOD, 5-day, 20 deg. C
33% over limit
Discharged 59.7 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
32% over limit
Discharged 39.57 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
47% over limit
Discharged 128.83157892 kg/d against a permitted limit of 87.48579926 kg/d (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
BOD, 5-day, 20 deg. C
4% over limit
Discharged 31.23 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
9% over limit
Discharged 95.6577992 kg/d against a permitted limit of 87.48579926 kg/d (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
E. coli
496% over limit
Discharged 2420 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
378% over limit
Discharged 602 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
80% over limit
Discharged 54 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
62% over limit
Discharged 73 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
101% over limit
Discharged 175.83419852 kg/d against a permitted limit of 87.48579926 kg/d (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2025
E. coli
745% over limit
Discharged 1064.9 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
E. coli
496% over limit
Discharged 2420 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2025
pH
0% over limit
Discharged 9.8 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
E. coli
496% over limit
Discharged 2420 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
80% over limit
Discharged 157.26559868 kg/d against a permitted limit of 87.48579926 kg/d (MO AVG)
DMR, Limited - Numeric Violation
E. coli
175% over limit
Discharged 346.3 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
June 30, 2025
E. coli
1273% over limit
Discharged 1729.5 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
50% over limit
Discharged 131.3421989 kg/d against a permitted limit of 87.48579926 kg/d (MO AVG)
DMR, Limited - Numeric Violation
E. coli
236% over limit
Discharged 1365.82 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2025
BOD, 5-day, 20 deg. C
24% over limit
Discharged 108.09739909 kg/d against a permitted limit of 87.48579926 kg/d (MO AVG)
DMR, Limited - Numeric Violation
E. coli
1734% over limit
Discharged 2311.25 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
E. coli
464% over limit
Discharged 2288.9 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2025
BOD, 5-day, 20 deg. C
25% over limit
Discharged 109.11435908 kg/d against a permitted limit of 87.48579926 kg/d (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
BOD, 5-day, 20 deg. C
11% over limit
Discharged 96.72015919 kg/d against a permitted limit of 87.48579926 kg/d (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
BOD, 5-day, 20 deg. C
90% over limit
Discharged 165.93699861 kg/d against a permitted limit of 87.48579926 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
27% over limit
Discharged 38 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2025
BOD, 5-day, 20 deg. C
40% over limit
Discharged 122.12599897 kg/d against a permitted limit of 87.48579926 kg/d (MO AVG)
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 (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
BOD, 5-day, 20 deg. C
73% over limit
Discharged 52 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
44% over limit
Discharged 65 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
65% over limit
Discharged 143.91799879 kg/d against a permitted limit of 87.48579926 kg/d (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2024
BOD, 5-day, 20 deg. C
90% over limit
Discharged 57.07 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
273% over limit
Discharged 325.97199726 kg/d against a permitted limit of 87.48579926 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
56% over limit
Discharged 70.1 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
October 31, 2024
BOD, 5-day, 20 deg. C
10% over limit
Discharged 33 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2024
BOD, 5-day, 20 deg. C
59% over limit
Discharged 47.8 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
16% over limit
Discharged 52.2 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
August 31, 2024
BOD, 5-day, 20 deg. C
9% over limit
Discharged 49 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
E. coli
69% over limit
Discharged 687 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
57% over limit
Discharged 47 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
4% over limit
Discharged 90.79999924 kg/d against a permitted limit of 87.48579926 kg/d (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (12 hours ago)