Non-Compliance
Clean Water Act
SUPERIOR WASTEWATER TREATMENT FACILITY
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
-
S HARTLEY ST
SUPERIOR, NE 68978
View on map ↗ - County
- NUCKOLLS County
- Inspections
- 3 · last Aug 8, 2025
- Total Penalties
- $0
- Registry ID
- 110008961481
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.
7
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 | Sep 26, 1996 | Jun 24, 1997 | Resolved |
| cwa | Schedule Event achieved late but reported | Sep 26, 1996 | — | Open |
| cwa | Schedule Event unachieved and not reported | Aug 27, 1996 | Jun 24, 1997 | Resolved |
| cwa | Schedule Event achieved late but reported | Aug 27, 1996 | — | 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 |
|---|---|---|---|---|---|---|
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 25.90 mg/L | 25.00 | +4% | Dec 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.30 mg/L | 3.03 | +9% | Sep 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.50 mg/L | 3.03 | +16% | Aug 2025 | Resolved |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 517.00 MPN/100mL | 298.00 | +73% | Jul 2025 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 517.00 MPN/100mL | 126.00 | +310% | Jul 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.00 mg/L | 3.03 | +131% | Jun 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.57 kg/d | 4.47 | +2% | Jun 2025 | Resolved |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 42.00 mg/L | 25.00 | +68% | Jun 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.00 mg/L | 5.39 | +30% | Jun 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 48.00 mg/L | 45.00 | +7% | Jun 2025 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 42.00 mg/L | 40.00 | +5% | Jun 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 48.00 mg/L | 30.00 | +60% | Jun 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.60 mg/L | 7.19 | +6% | May 2025 | Resolved |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 33.10 mg/L | 25.00 | +32% | Jan 2025 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 30.30 mg/L | 25.00 | +21% | Dec 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 34.00 mg/L | 30.00 | +13% | Nov 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 11.30 mg/L | 5.39 | +110% | Oct 2024 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 66.50 mg/L | 40.00 | +66% | Oct 2024 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 66.50 mg/L | 25.00 | +166% | Oct 2024 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 38.20 kg/d | 36.90 | +4% | Oct 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.49 kg/d | 4.47 | +45% | Oct 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 11.30 mg/L | 3.03 | +273% | Oct 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.43 mg/L | 5.39 | +38% | Sep 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.43 mg/L | 3.03 | +145% | Sep 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.50 mg/L | 3.03 | +82% | Aug 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.50 mg/L | 5.39 | +2% | Aug 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.83 mg/L | 3.03 | +59% | Jul 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.40 mg/L | 3.03 | +45% | Jun 2024 | Resolved |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 1,733.00 MPN/100mL | 298.00 | +482% | May 2024 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 953.00 MPN/100mL | 126.00 | +656% | May 2024 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 1,300.00 MPN/100mL | 298.00 | +336% | Sep 2022 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 1,300.00 MPN/100mL | 126.00 | +932% | Sep 2022 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 9,175.00 MPN/100mL | 298.00 | +2,979% | Aug 2022 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 9,175.00 MPN/100mL | 126.00 | +7,182% | Aug 2022 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 1,410.00 MPN/100mL | 298.00 | +373% | Jul 2022 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 1,410.00 MPN/100mL | 126.00 | +1,019% | Jul 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.90 mg/L | 3.03 | +29% | Aug 2021 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 49.00 mg/L | 25.00 | +96% | May 2021 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 49.00 mg/L | 40.00 | +23% | May 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.50 mg/L | 2.36 | +6% | Oct 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.12 kg/d | 2.05 | +3% | Aug 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.10 mg/L | 2.36 | +31% | Aug 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.21 kg/d | 2.05 | +8% | Jul 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 33.00 mg/L | 30.00 | +10% | Jul 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.03 mg/L | 2.36 | +28% | Jul 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 36.00 mg/L | 30.00 | +20% | Nov 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.20 mg/L | 2.36 | +36% | Sep 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.47 kg/d | 2.05 | +20% | Sep 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.17 mg/L | 2.36 | +34% | Aug 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.47 kg/d | 2.05 | +20% | Aug 2018 | Open |
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