Non-Compliance
Clean Water Act
WATERLOO WWTP
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $0 in total penalties since records began.
- Address
-
120 S BEST ST
WATERLOO, IN 46793
View on map ↗ - County
- DE KALB County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 4 · last Sep 22, 2025
- Total Penalties
- $0
- Registry ID
- 110009975429
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
6
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| cwa | Management Practice Violations - Violation of a milestone in an order | Sep 22, 2025 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Sep 22, 2025 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Sep 22, 2025 | — | Open |
| cwa | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | Aug 16, 2023 | — | Open |
| cwa | Management Practice Violations - Violation of a milestone in an order | Aug 16, 2023 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Aug 16, 2023 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Aug 16, 2023 | — | Open |
| cwa | WW SSO - Discharge to Waters | Jul 30, 2020 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Jul 30, 2020 | — | Open |
| cwa | Management Practice Violations - Best Management Practice Deficiencies | Jul 30, 2020 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Sep 9, 2019 | — | Open |
| cwa | Management Practice Violations - Violation of a milestone in an order | Sep 9, 2019 | — | Open |
Discharge Limit Exceedances
Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.
| Pollutant | Violation | Reported | Limit | Exceedance | Period | Status |
|---|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 15.80 mg/L | 5.49 | +188% | Jul 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.55 kg/d | 7.68 | +11% | Jul 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.87 mg/L | 2.36 | +21% | Jul 2025 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 613.00 MPN/100mL | 235.00 | +161% | Jun 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.82 kg/d | 7.84 | +12% | Apr 2025 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 866.00 MPN/100mL | 235.00 | +269% | Apr 2025 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 127.00 MPN/100mL | 125.00 | +2% | Apr 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 13.19 kg/d | 7.84 | +68% | Apr 2024 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 235.00 | +930% | Apr 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 18.52 kg/d | 7.84 | +136% | Jan 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.69 kg/d | 3.37 | +39% | Jan 2024 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 629.40 MPN/100mL | 235.00 | +168% | May 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 24.24 kg/d | 7.84 | +209% | Mar 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.23 kg/d | 3.37 | +25% | Feb 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 17.46 kg/d | 7.84 | +123% | Feb 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.03 mg/L | 5.49 | +28% | Jun 2022 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 1,046.00 MPN/100mL | 235.00 | +345% | May 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 20.90 kg/d | 7.84 | +167% | Mar 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.96 kg/d | 3.37 | +47% | Feb 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 26.19 kg/d | 7.84 | +234% | Feb 2022 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 587.00 MPN/100mL | 125.00 | +370% | Oct 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.26 kg/d | 7.68 | +34% | Oct 2021 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 235.00 | +930% | Oct 2021 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 1,720.00 MPN/100mL | 235.00 | +632% | Sep 2021 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,419.00 MPN/100mL | 235.00 | +929% | Jul 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 14.51 kg/d | 7.68 | +89% | Jul 2021 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 517.00 MPN/100mL | 235.00 | +120% | May 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 15.46 kg/d | 7.84 | +97% | Mar 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.54 mg/L | 5.49 | +37% | Sep 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.96 mg/L | 2.36 | +25% | Aug 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 13.50 mg/L | 5.49 | +146% | Aug 2020 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 28.59 kg/d | 7.68 | +272% | Aug 2020 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.73 mg/L | 2.36 | +58% | Jun 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 14.85 mg/L | 5.49 | +170% | Jun 2020 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 43.36 kg/d | 37.73 | +15% | May 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 21.46 kg/d | 7.68 | +180% | May 2020 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 33.37 kg/d | 32.14 | +4% | May 2020 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 1,533.00 MPN/100mL | 235.00 | +552% | May 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 14.75 mg/L | 5.49 | +169% | Jul 2019 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.99 mg/L | 2.36 | +112% | Jul 2019 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 235.00 | +930% | Jul 2019 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.40 kg/d | 3.30 | +33% | Jul 2019 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 4.39 mg/L | 5.00 | +12% | Jul 2019 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 18.16 kg/d | 7.68 | +137% | Jul 2019 | Resolved |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 517.00 MPN/100mL | 235.00 | +120% | Jun 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 26.60 mg/L | 18.00 | +48% | Jun 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 51.67 kg/d | 37.73 | +37% | Jun 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 34.22 kg/d | 25.15 | +36% | Jun 2019 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 11.45 mg/L | 5.49 | +109% | Jun 2019 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.07 kg/d | 7.68 | +31% | Jun 2019 | Resolved |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.
State CWA Penalty AO
Clean Water Act
· Case IN-17717 · Dec 19, 2008
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