WINDFALL WWTP
NPDES ID: IN0040762
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: 12 effluent violations.
Violations
May 31, 2026
BOD, carbonaceous [5 day, 20 C]
287% over limit
Discharged 28.60744776 kg/d against a permitted limit of 7.4002 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
88% over limit
Discharged 9.20439592 kg/d against a permitted limit of 4.9032 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
37% over limit
Discharged 1.25358479 kg/d against a permitted limit of 0.91707999 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
April 30, 2026
BOD, carbonaceous [5 day, 20 C]
11% over limit
Discharged 8.18561993 kg/d against a permitted limit of 7.4002 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
March 31, 2026
BOD, carbonaceous [5 day, 20 C]
15% over limit
Discharged 5.61597995 kg/d against a permitted limit of 4.9032 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
54% over limit
Discharged 7.55455994 kg/d against a permitted limit of 4.9032 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
30% over limit
Discharged 9.59301992 kg/d against a permitted limit of 7.4002 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
61% over limit
Discharged 16.1 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
12% over limit
Discharged 8.28549993 kg/d against a permitted limit of 7.4002 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
8% over limit
Discharged 16.25 mg/L against a permitted limit of 15 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
9% over limit
Discharged 10.9 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
93% over limit
Discharged 1.77196199 kg/d against a permitted limit of 0.91707999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
328% over limit
Discharged 11.95 mg/L against a permitted limit of 2.79 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
111% over limit
Discharged 3.92 mg/L against a permitted limit of 1.86 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
274% over limit
Discharged 5.14608996 kg/d against a permitted limit of 1.37561999 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, ammonia total [as N]
151% over limit
Discharged 4.6639 mg/L against a permitted limit of 1.86 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
173% over limit
Discharged 40.9 mg/L against a permitted limit of 15 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
51% over limit
Discharged 2.07323638 kg/d against a permitted limit of 1.37561999 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
176% over limit
Discharged 27.6 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
410% over limit
Discharged 14.23 mg/L against a permitted limit of 2.79 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
6% over limit
Discharged 5.17877796 kg/d against a permitted limit of 4.9032 kg/d (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Solids, total suspended
7% over limit
Discharged 16 mg/L against a permitted limit of 15 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
6% over limit
Discharged 10.6 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Solids, total suspended
31% over limit
Discharged 19.65 mg/L against a permitted limit of 15 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
5% over limit
Discharged 10.5 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Solids, total suspended
605% over limit
Discharged 105.7 mg/L against a permitted limit of 15 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
85% over limit
Discharged 435 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
189% over limit
Discharged 28.9 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
136% over limit
Discharged 17.42860585 kg/d against a permitted limit of 7.4002 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
September 30, 2025
Solids, total suspended
104% over limit
Discharged 30.55 mg/L against a permitted limit of 15 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
60% over limit
Discharged 16 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
930% over limit
Discharged 2420 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
246% over limit
Discharged 433 MPN/100mL against a permitted limit of 125 MPN/100mL (MO GEO)
DMR, Limited - Numeric Violation
August 31, 2025
Nitrogen, ammonia total [as N]
62% over limit
Discharged 3.01 mg/L against a permitted limit of 1.86 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
11% over limit
Discharged 5.35 mg/L against a permitted limit of 6 mg/L (DLYAVMIN)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
Limit violation
Discharged 2419 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
Limit violation
Discharged 2419 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]
263% over limit
Discharged 454 MPN/100mL against a permitted limit of 125 MPN/100mL (MO GEO)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
11% over limit
Discharged 5.33 mg/L against a permitted limit of 6 mg/L (DLYAVMIN)
DMR, Limited - Numeric Violation
Solids, total suspended
23% over limit
Discharged 18.4 mg/L against a permitted limit of 15 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
929% over limit
Discharged 2419 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrogen, ammonia total [as N]
63% over limit
Discharged 0.99743799 kg/d against a permitted limit of 0.61289999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
158% over limit
Discharged 2.36788238 kg/d against a permitted limit of 0.91707999 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
2% over limit
Discharged 7.58179994 kg/d against a permitted limit of 7.4002 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
636% over limit
Discharged 54.47999954 kg/d against a permitted limit of 7.4002 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
5% over limit
Discharged 1.95 mg/L against a permitted limit of 1.86 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
2% over limit
Discharged 5.86 mg/L against a permitted limit of 6 mg/L (DLYAVMIN)
DMR, Limited - Numeric Violation
Solids, total suspended
339% over limit
Discharged 21.54229982 kg/d against a permitted limit of 4.9032 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
198% over limit
Discharged 29.8 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
463% over limit
Discharged 84.5 mg/L against a permitted limit of 15 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
April 30, 2025
Solids, total suspended
78% over limit
Discharged 17.8 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
164% over limit
Discharged 12.96623989 kg/d against a permitted limit of 4.9032 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
517% over limit
Discharged 45.67239962 kg/d against a permitted limit of 7.4002 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
88% over limit
Discharged 28.25 mg/L against a permitted limit of 15 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
46% over limit
Discharged 10.81881991 kg/d against a permitted limit of 7.4002 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
March 31, 2025
Solids, total suspended
2% over limit
Discharged 7.55455994 kg/d against a permitted limit of 7.4002 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
3% over limit
Discharged 5.03031996 kg/d against a permitted limit of 4.9032 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
68% over limit
Discharged 25.15 mg/L against a permitted limit of 15 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
80% over limit
Discharged 18 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Solids, total suspended
8% over limit
Discharged 10.8 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Solids, total suspended
34% over limit
Discharged 9.91672192 kg/d against a permitted limit of 7.4002 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
21% over limit
Discharged 12.1 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2024
Oxygen, dissolved [DO]
9% over limit
Discharged 5.44 mg/L against a permitted limit of 6 mg/L (DLYAVMIN)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (5 days ago)