WRIGHT CITY PWA
NPDES ID: OK0032387
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: 18 effluent violations.
Violations
June 30, 2026
BOD, carbonaceous [5 day, 20 C]
6% over limit
Discharged 7.93 mg/L against a permitted limit of 7.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
2122% over limit
Discharged 2.2 mg/L against a permitted limit of 0.099 mg/L (INST MAX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
32% over limit
Discharged 6.61 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
2273% over limit
Discharged 9636 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
960% over limit
Discharged 10.6 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
131% over limit
Discharged 1.22579999 kg/d against a permitted limit of 0.53118 kg/d (MO AVG)
DMR, Limited - Numeric Violation
E. coli
334% over limit
Discharged 547 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 6.11 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
653% over limit
Discharged 11.3 mg/L against a permitted limit of 1.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
May 31, 2026
Solids, total suspended
7% over limit
Discharged 32 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
Limit violation
Discharged 1149 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
Chlorine, total residual
1516% over limit
Discharged 1.6 mg/L against a permitted limit of 0.099 mg/L (INST MAX)
DMR, Limited - Numeric Violation
E. coli
Limit violation
Discharged 20000 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 6.36 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
4% over limit
Discharged 20.8 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Chlorine, total residual
344% over limit
Discharged 0.44 mg/L against a permitted limit of 0.099 mg/L (INST MAX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
48% over limit
Discharged 29.6 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
37% over limit
Discharged 41.2 mg/L against a permitted limit of 30 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Chlorine, total residual
415% over limit
Discharged 0.51 mg/L against a permitted limit of 0.099 mg/L (INST MAX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 6.31 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
February 28, 2026
BOD, 5-day, 20 deg. C
111% over limit
Discharged 42.2 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
110% over limit
Discharged 63 mg/L against a permitted limit of 30 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 6.46 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 11.29 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
Chlorine, total residual
870% over limit
Discharged 0.96 mg/L against a permitted limit of 0.099 mg/L (INST MAX)
DMR, Limited - Numeric Violation
January 31, 2026
Chlorine, total residual
920% over limit
Discharged 1.01 mg/L against a permitted limit of 0.099 mg/L (INST MAX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
34% over limit
Discharged 26.8 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 6.1 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
December 31, 2025
BOD, 5-day, 20 deg. C
10% over limit
Discharged 22 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
1678% over limit
Discharged 1.76 mg/L against a permitted limit of 0.099 mg/L (INST MAX)
DMR, Limited - Numeric Violation
November 30, 2025
BOD, 5-day, 20 deg. C
Limit violation
Discharged 2.49699998 kg/d against a permitted limit of 10.62359991 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
2122% over limit
Discharged 2.2 mg/L against a permitted limit of 0.099 mg/L (INST MAX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
Limit violation
Discharged 23.9 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
Limit violation
Discharged 34.9 mg/L against a permitted limit of 30 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
October 31, 2025
BOD, carbonaceous [5 day, 20 C]
21% over limit
Discharged 9.11 mg/L against a permitted limit of 7.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
12% over limit
Discharged 5.62 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
48% over limit
Discharged 14.8 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
39% over limit
Discharged 3.68 mg/L against a permitted limit of 6 mg/L (MO MIN)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 5.87 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
Solids, total suspended
27% over limit
Discharged 19 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
114% over limit
Discharged 1.13499999 kg/d against a permitted limit of 0.53118 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
1627% over limit
Discharged 1.71 mg/L against a permitted limit of 0.099 mg/L (INST MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
890% over limit
Discharged 9.9 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
967% over limit
Discharged 16 mg/L against a permitted limit of 1.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Nitrogen, ammonia total [as N]
237% over limit
Discharged 5.06 mg/L against a permitted limit of 1.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
78% over limit
Discharged 1.34 mg/L against a permitted limit of 6 mg/L (MO MIN)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
152% over limit
Discharged 12.6 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
168% over limit
Discharged 20.1 mg/L against a permitted limit of 7.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
2122% over limit
Discharged 2.2 mg/L against a permitted limit of 0.099 mg/L (INST MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
223% over limit
Discharged 3.23 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 6.41 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
E. coli
4284% over limit
Discharged 17800 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2025
Solids, total suspended
42% over limit
Discharged 21.3 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
2122% over limit
Discharged 2.2 mg/L against a permitted limit of 0.099 mg/L (INST MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
86% over limit
Discharged 18.6 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
846% over limit
Discharged 9.46 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
15171% over limit
Discharged 62000 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
105% over limit
Discharged 1.08959999 kg/d against a permitted limit of 0.53118 kg/d (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 10.61 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
539% over limit
Discharged 9.58 mg/L against a permitted limit of 1.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
E. coli
440% over limit
Discharged 681 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
1% over limit
Discharged 5.97 mg/L against a permitted limit of 6 mg/L (MO MIN)
DMR, Limited - Numeric Violation
July 31, 2025
E. coli
Limit violation
Discharged 43.7 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
Solids, total suspended
100% over limit
Discharged 30 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
541% over limit
Discharged 9.62 mg/L against a permitted limit of 1.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
2122% over limit
Discharged 2.2 mg/L against a permitted limit of 0.099 mg/L (INST MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
57% over limit
Discharged 0.83535999 kg/d against a permitted limit of 0.53118 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
120% over limit
Discharged 11 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 6.27 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
634% over limit
Discharged 7.34 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
Limit violation
Discharged 200000 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
143% over limit
Discharged 24.3 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
59% over limit
Discharged 11.9 mg/L against a permitted limit of 7.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrogen, ammonia total [as N]
547% over limit
Discharged 6.47 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
411% over limit
Discharged 644 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
85% over limit
Discharged 0.98063999 kg/d against a permitted limit of 0.53118 kg/d (MO AVG)
DMR, Limited - Numeric Violation
E. coli
1501% over limit
Discharged 6500 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
83% over limit
Discharged 9.14 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
47% over limit
Discharged 22 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
47% over limit
Discharged 14.7 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
397% over limit
Discharged 7.45 mg/L against a permitted limit of 1.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
88% over limit
Discharged 14.1 mg/L against a permitted limit of 7.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
2122% over limit
Discharged 2.2 mg/L against a permitted limit of 0.099 mg/L (INST MAX)
DMR, Limited - Numeric Violation
May 31, 2025
Chlorine, total residual
2122% over limit
Discharged 2.2 mg/L against a permitted limit of 0.099 mg/L (INST MAX)
DMR, Limited - Numeric Violation
E. coli
Limit violation
Discharged 1935 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
E. coli
6304% over limit
Discharged 26000 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2025
Chlorine, total residual
981% over limit
Discharged 1.07 mg/L against a permitted limit of 0.099 mg/L (INST MAX)
DMR, Limited - Numeric Violation
March 31, 2025
Chlorine, total residual
1243% over limit
Discharged 1.33 mg/L against a permitted limit of 0.099 mg/L (INST MAX)
DMR, Limited - Numeric Violation
February 28, 2025
Chlorine, total residual
647% over limit
Discharged 0.74 mg/L against a permitted limit of 0.099 mg/L (INST MAX)
DMR, Limited - Numeric Violation
January 31, 2025
Chlorine, total residual
2122% over limit
Discharged 2.2 mg/L against a permitted limit of 0.099 mg/L (INST MAX)
DMR, Limited - Numeric Violation
December 31, 2024
BOD, 5-day, 20 deg. C
84% over limit
Discharged 55.2 mg/L against a permitted limit of 30 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
13% over limit
Discharged 17.88759985 kg/d against a permitted limit of 15.88999987 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
507% over limit
Discharged 182 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
1264% over limit
Discharged 1.35 mg/L against a permitted limit of 0.099 mg/L (INST MAX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
72% over limit
Discharged 34.4 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
900% over limit
Discharged 450 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
November 30, 2024
Chlorine, total residual
2122% over limit
Discharged 2.2 mg/L against a permitted limit of 0.099 mg/L (INST MAX)
DMR, Limited - Numeric Violation
October 31, 2024
Nitrogen, ammonia total [as N]
4% over limit
Discharged 1.56 mg/L against a permitted limit of 1.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
2122% over limit
Discharged 2.2 mg/L against a permitted limit of 0.099 mg/L (INST MAX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
42% over limit
Discharged 7.12 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2024
Nitrogen, ammonia total [as N]
589% over limit
Discharged 6.89 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
564% over limit
Discharged 49.8 mg/L against a permitted limit of 7.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
E. coli
50% over limit
Discharged 610 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
491% over limit
Discharged 29.56 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 6.42 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
Solids, total suspended
34% over limit
Discharged 13.4 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
627% over limit
Discharged 10.9 mg/L against a permitted limit of 1.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
2001% over limit
Discharged 2.08 mg/L against a permitted limit of 0.099 mg/L (INST MAX)
DMR, Limited - Numeric Violation
August 31, 2024
Nitrogen, ammonia total [as N]
464% over limit
Discharged 5.64 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
2122% over limit
Discharged 2.2 mg/L against a permitted limit of 0.099 mg/L (INST MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
120% over limit
Discharged 33 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
8% over limit
Discharged 0.57204 kg/d against a permitted limit of 0.53118 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
79% over limit
Discharged 13.4 mg/L against a permitted limit of 7.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
154% over limit
Discharged 12.7 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
415% over limit
Discharged 7.73 mg/L against a permitted limit of 1.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
108% over limit
Discharged 20.8 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 16, 2026 (1 hour ago)