Non-Compliance
Clean Water Act
WINNEBAGO WASTEWATER TREATMENT
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
-
HWY 75
WINNEBAGO, NE 68071
View on map ↗ - County
- THURSTON County
- Inspections
- 1 · last Mar 23, 2023
- Total Penalties
- $0 · last Jan 15, 2013
- Registry ID
- 110008886848
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.
2
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 | Schedule Event unachieved and not reported | Dec 31, 2025 | Apr 1, 2026 | Resolved |
| cwa | Schedule Event achieved late but reported | Feb 15, 2013 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 15, 2013 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Oct 14, 2011 | — | 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 |
|---|---|---|---|---|---|---|
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 4.70 mg/L | 5.00 | +6% | Dec 2025 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 2.80 mg/L | 5.00 | +44% | Oct 2025 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 4.30 mg/L | 5.00 | +14% | Sep 2025 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 72.60 % | 85.00 | +83% | Apr 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 35.30 mg/L | 30.00 | +18% | Apr 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 14.20 mg/L | 10.26 | +38% | Apr 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 17.50 mg/L | 10.26 | +71% | Mar 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 12.60 mg/L | 10.16 | +24% | Feb 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 11.40 mg/L | 10.16 | +12% | Jan 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 25.90 mg/L | 17.01 | +52% | Nov 2024 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 43.00 % | 85.00 | +280% | Nov 2024 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 3.40 mg/L | 5.00 | +32% | Nov 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 42.60 mg/L | 30.00 | +42% | Nov 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 25.90 mg/L | 10.16 | +155% | Nov 2024 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 84.00 % | 85.00 | +7% | Nov 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 31.90 mg/L | 30.00 | +6% | Oct 2024 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 53.00 % | 85.00 | +213% | Oct 2024 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 74.70 % | 85.00 | +69% | Oct 2024 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 2.60 mg/L | 5.00 | +48% | Sep 2024 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 3.50 mg/L | 5.00 | +30% | Aug 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 122.00 mg/L | 120.00 | +2% | Jun 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 24.80 mg/L | 10.87 | +128% | Jun 2024 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 122.00 mg/L | 80.00 | +53% | Jun 2024 | Resolved |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 74.00 % | 85.00 | +73% | Jun 2024 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 4.30 mg/L | 5.00 | +14% | Jun 2024 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 67.00 % | 85.00 | +120% | Jun 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 51.70 mg/L | 45.00 | +15% | Jun 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 51.70 mg/L | 30.00 | +72% | Jun 2024 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 128.00 mg/L | 120.00 | +7% | May 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 128.00 mg/L | 80.00 | +60% | May 2024 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 32.20 mg/L | 30.00 | +7% | May 2024 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 36.00 % | 85.00 | +327% | May 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 12.90 mg/L | 10.26 | +26% | Mar 2024 | Resolved |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 4.00 mg/L | 5.00 | +20% | Sep 2023 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 0.10 mg/L | 5.00 | +98% | Aug 2023 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 55.00 % | 85.00 | +200% | Aug 2023 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 4.00 mg/L | 5.00 | +20% | Jul 2023 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 71.00 % | 85.00 | +93% | Jun 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 40.30 mg/L | 30.00 | +34% | Jun 2023 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 84.00 % | 85.00 | +7% | May 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 31.00 mg/L | 30.00 | +3% | May 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 14.00 mg/L | 10.26 | +36% | Apr 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 16.70 mg/L | 10.26 | +63% | Mar 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 21.70 mg/L | 17.01 | +28% | Feb 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 21.70 mg/L | 10.16 | +114% | Feb 2023 | Resolved |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 81.00 % | 85.00 | +27% | Jun 2022 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 40.66 mg/L | 30.00 | +36% | Jun 2022 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 80.00 % | 85.00 | +33% | Sep 2021 | Open |
| E. coli | DMR, Limited - Numeric Violation | 629.00 MPN/100mL | 298.00 | +111% | Jun 2021 | Open |
| E. coli | DMR, Limited - Numeric Violation | 629.00 MPN/100mL | 126.00 | +399% | Jun 2021 | Open |
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.
Administrative - Formal
· Case 07-2019-0192 · Jun 3, 2019
Administrative - Formal
· Case 07-2013-0037 · Jan 15, 2013
$16,000
Administrative - Formal
· Case 07-2005-0358 · Aug 22, 2005
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