WASHINGTON WWTP
NPDES ID: IN0025658
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
This quarter: 6 effluent violations.
Violations
May 31, 2026
E. coli, colony forming units [CFU]
326% over limit
Discharged 1000 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
264% over limit
Discharged 455 MPN/100mL against a permitted limit of 125 MPN/100mL (MO GEO)
DMR, Limited - Numeric Violation
April 30, 2026
E. coli, colony forming units [CFU]
206% over limit
Discharged 383 MPN/100mL against a permitted limit of 125 MPN/100mL (MO GEO)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
113% over limit
Discharged 500 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
E. coli, colony forming units [CFU]
49% over limit
Discharged 350 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
50% over limit
Discharged 187 MPN/100mL against a permitted limit of 125 MPN/100mL (MO GEO)
DMR, Limited - Numeric Violation
August 31, 2025
E. coli, colony forming units [CFU]
326% over limit
Discharged 1000 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
190% over limit
Discharged 363 MPN/100mL against a permitted limit of 125 MPN/100mL (MO GEO)
DMR, Limited - Numeric Violation
July 31, 2025
E. coli, colony forming units [CFU]
179% over limit
Discharged 349 MPN/100mL against a permitted limit of 125 MPN/100mL (MO GEO)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
538% over limit
Discharged 1500 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2025
E. coli, colony forming units [CFU]
113% over limit
Discharged 500 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
84% over limit
Discharged 230 MPN/100mL against a permitted limit of 125 MPN/100mL (MO GEO)
DMR, Limited - Numeric Violation
April 30, 2025
Nitrogen, ammonia total [as N]
138% over limit
Discharged 4.33 mg/L against a permitted limit of 1.82 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
56% over limit
Discharged 61.19919949 kg/d against a permitted limit of 39.31639967 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
139% over limit
Discharged 6.53 mg/L against a permitted limit of 2.73 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
751% over limit
Discharged 2000 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
71% over limit
Discharged 101.07855915 kg/d against a permitted limit of 58.9745995 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
186% over limit
Discharged 358 MPN/100mL against a permitted limit of 125 MPN/100mL (MO GEO)
DMR, Limited - Numeric Violation
March 31, 2025
Nitrogen, ammonia total [as N]
310% over limit
Discharged 11.19 mg/L against a permitted limit of 2.73 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
84% over limit
Discharged 72.36759939 kg/d against a permitted limit of 39.31639967 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
116% over limit
Discharged 127.23803893 kg/d against a permitted limit of 58.9745995 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
229% over limit
Discharged 5.99 mg/L against a permitted limit of 1.82 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Nitrogen, ammonia total [as N]
315% over limit
Discharged 244.97839794 kg/d against a permitted limit of 58.9745995 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
259% over limit
Discharged 141.01239882 kg/d against a permitted limit of 39.31639967 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
549% over limit
Discharged 11.82 mg/L against a permitted limit of 1.82 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
682% over limit
Discharged 21.35 mg/L against a permitted limit of 2.73 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 9.1 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2025
Nitrogen, ammonia total [as N]
496% over limit
Discharged 16.27 mg/L against a permitted limit of 2.73 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
457% over limit
Discharged 10.13 mg/L against a permitted limit of 1.82 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
123% over limit
Discharged 87.84899926 kg/d against a permitted limit of 39.31639967 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
117% over limit
Discharged 127.75559893 kg/d against a permitted limit of 58.9745995 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
December 31, 2024
Nitrogen, ammonia total [as N]
116% over limit
Discharged 127.57399893 kg/d against a permitted limit of 58.9745995 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
279% over limit
Discharged 6.9 mg/L against a permitted limit of 1.82 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
327% over limit
Discharged 11.65 mg/L against a permitted limit of 2.73 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
72% over limit
Discharged 67.60059943 kg/d against a permitted limit of 39.31639967 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
43% over limit
Discharged 57 mg/L against a permitted limit of 40 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
November 30, 2024
Nitrogen, total [as N]
0% over limit
Discharged 154.7231987 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
673% over limit
Discharged 14.61 mg/L against a permitted limit of 1.89 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
0% over limit
Discharged 13.26 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
282% over limit
Discharged 103.78439913 kg/d against a permitted limit of 27.19459977 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
643% over limit
Discharged 9.36 mg/L against a permitted limit of 1.26 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
2% over limit
Discharged 30.5 mg/L against a permitted limit of 30 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
283% over limit
Discharged 156.50741868 kg/d against a permitted limit of 40.81459966 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
10% over limit
Discharged 21.9 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2024
Nitrogen, ammonia total [as N]
192% over limit
Discharged 79.31379933 kg/d against a permitted limit of 27.19459977 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
752% over limit
Discharged 16.1 mg/L against a permitted limit of 1.89 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
234% over limit
Discharged 136.38159885 kg/d against a permitted limit of 40.81459966 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
698% over limit
Discharged 10.06 mg/L against a permitted limit of 1.26 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2024
E. coli, colony forming units [CFU]
91% over limit
Discharged 239 MPN/100mL against a permitted limit of 125 MPN/100mL (MO GEO)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
974% over limit
Discharged 20.29 mg/L against a permitted limit of 1.89 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
79% over limit
Discharged 53.71 mg/L against a permitted limit of 30 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
1900% over limit
Discharged 2500 MPN/100mL against a permitted limit of 125 MPN/100mL (MO GEO)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
751% over limit
Discharged 2000 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1016% over limit
Discharged 14.06 mg/L against a permitted limit of 1.26 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
964% over limit
Discharged 2500 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
294% over limit
Discharged 107.0985991 kg/d against a permitted limit of 27.19459977 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
301% over limit
Discharged 163.83043862 kg/d against a permitted limit of 40.81459966 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
31% over limit
Discharged 26.2 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2024
E. coli, colony forming units [CFU]
170% over limit
Discharged 338 MPN/100mL against a permitted limit of 125 MPN/100mL (MO GEO)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
185% over limit
Discharged 77.45239935 kg/d against a permitted limit of 27.19459977 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
229% over limit
Discharged 134.38399887 kg/d against a permitted limit of 40.81459966 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
730% over limit
Discharged 10.46 mg/L against a permitted limit of 1.26 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
12% over limit
Discharged 0.0053 mg/L against a permitted limit of 0.006 mg/L (DLYAVMIN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
964% over limit
Discharged 20.11 mg/L against a permitted limit of 1.89 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
538% over limit
Discharged 1500 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (6 days ago)