Non-Compliance
Clean Water Act
HAMPTON 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
-
CITY CLERK - CITY HALL
HAMPTON, IA 50441
View on map ↗ - County
- FRANKLIN County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 3 · last Jul 12, 2023
- Total Penalties
- $0
- Registry ID
- 110010034088
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.
11
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 achieved late but reported | Sep 1, 2024 | — | Open |
| cwa | Schedule Event unachieved but reported | Sep 1, 2023 | Oct 3, 2023 | Resolved |
| cwa | Schedule Event reported late | Sep 1, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Sep 1, 2023 | — | Open |
| cwa | Schedule Event unachieved and not reported | Sep 1, 2023 | Oct 3, 2023 | Resolved |
| cwa | Schedule Event achieved late but reported | Sep 1, 2022 | — | Open |
| cwa | Schedule Event unachieved and not reported | Sep 1, 2022 | Feb 21, 2023 | Resolved |
| cwa | Schedule Event unachieved but reported | Sep 1, 2022 | Feb 21, 2023 | Resolved |
| cwa | Schedule Event reported late | Sep 1, 2022 | — | 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 | 2.03 mg/L | 1.00 | +103% | Aug 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.85 mg/L | 1.10 | +159% | Jul 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.57 kg/d | 5.45 | +39% | Jul 2025 | Resolved |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 4.20 mg/L | 5.00 | +16% | Jan 2025 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 4.60 mg/L | 5.00 | +8% | Nov 2024 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 4.60 mg/L | 5.00 | +8% | Oct 2024 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 3.90 mg/L | 5.00 | +22% | Jul 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 369.29 MPN/100mL | 126.00 | +193% | May 2024 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 4.50 mg/L | 5.00 | +10% | Jan 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 28.00 mg/L | 16.00 | +75% | Dec 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.50 mg/L | 2.70 | +289% | Dec 2023 | Resolved |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 4.80 mg/L | 5.00 | +4% | Dec 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 25.00 mg/L | 13.90 | +80% | Jul 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 17.58 mg/L | 1.10 | +1,498% | Jul 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 13.60 kg/d | 5.45 | +150% | Jul 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 19.74 kg/d | 7.13 | +177% | Jun 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 23.00 mg/L | 14.50 | +59% | Jun 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 21.63 mg/L | 1.40 | +1,445% | Jun 2023 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 375.09 MPN/100mL | 126.00 | +198% | May 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 20.00 mg/L | 15.20 | +32% | May 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 12.74 mg/L | 1.90 | +570% | May 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.45 kg/d | 9.44 | +11% | May 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.34 mg/L | 1.70 | +155% | Apr 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 33.00 mg/L | 15.70 | +110% | Apr 2023 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 3.29 mg/L | 5.00 | +34% | Mar 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 147.17 mg/L | 30.00 | +391% | Mar 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 438.91 kg/d | 234.26 | +87% | Mar 2023 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 41.50 mg/L | 40.00 | +4% | Mar 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 560.00 mg/L | 45.00 | +1,144% | Mar 2023 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 3.76 mg/L | 5.00 | +25% | Feb 2023 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 4.30 mg/L | 5.00 | +14% | Nov 2022 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 4.72 mg/L | 5.00 | +6% | Feb 2022 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 4.65 mg/L | 5.00 | +7% | Mar 2019 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 4.96 mg/L | 5.00 | +1% | May 2018 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 4.39 mg/L | 5.00 | +12% | Mar 2018 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 4.50 mg/L | 5.00 | +10% | Feb 2018 | Open |
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