Non-Compliance
Clean Water Act
AURORA CITY OF STP
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
AURORA, IA 50607
View on map ↗ - County
- BUCHANAN County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 1 · last May 31, 2023
- Total Penalties
- $0
- Registry ID
- 110010032678
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.
4
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 | Apr 1, 2025 | — | Open |
| cwa | Schedule Event reported late | Apr 1, 2025 | — | Open |
| cwa | Schedule Event unachieved and not reported | Apr 1, 2024 | May 6, 2024 | Resolved |
| cwa | Schedule Event reported late | Apr 1, 2024 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 1, 2024 | — | Open |
| cwa | Schedule Event unachieved but reported | Apr 1, 2024 | May 6, 2024 | Resolved |
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 | 6.33 mg/L | 3.90 | +62% | Dec 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.44 mg/L | 3.90 | +116% | Dec 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.57 kg/d | 1.63 | +118% | Jun 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.40 mg/L | 3.20 | +6% | Jun 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.40 mg/L | 1.30 | +162% | Jun 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.65 mg/L | 1.30 | +335% | Jun 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.44 mg/L | 3.20 | +164% | Jun 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.31 mg/L | 1.80 | +251% | May 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.40 mg/L | 3.20 | +225% | May 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.19 mg/L | 2.70 | +18% | Nov 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.19 mg/L | 2.70 | +18% | Nov 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.05 mg/L | 3.20 | +89% | Jun 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.05 mg/L | 1.30 | +365% | Jun 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.31 kg/d | 1.63 | +42% | Jun 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.15 mg/L | 3.90 | +6% | Dec 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.62 mg/L | 1.80 | +101% | May 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.49 mg/L | 3.20 | +72% | May 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 11.50 mg/L | 2.70 | +326% | Nov 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.96 mg/L | 2.70 | +232% | Nov 2020 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.30 kg/d | 3.22 | +33% | Nov 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.59 mg/L | 1.30 | +99% | Jun 2020 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.48 mg/L | 2.70 | +66% | Nov 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.48 mg/L | 2.70 | +66% | Nov 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.40 mg/L | 1.30 | +7% | Jun 2018 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.11 MGD | 0.10 | +6% | Oct 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.03 MGD | 0.03 | +3% | Oct 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.41 MGD | 0.10 | +307% | Jul 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Overdue | 0.41 MGD | 0.10 | +307% | Jul 2017 | Resolved |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.05 MGD | 0.03 | +69% | Jul 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Overdue | 0.05 MGD | 0.03 | +69% | Jul 2017 | Resolved |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.12 MGD | 0.10 | +20% | Jun 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.12 MGD | 0.10 | +21% | May 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.05 MGD | 0.03 | +53% | May 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.16 MGD | 0.10 | +63% | Apr 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.07 MGD | 0.03 | +134% | Apr 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.06 MGD | 0.03 | +80% | Mar 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.05 MGD | 0.03 | +46% | Feb 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.11 MGD | 0.10 | +15% | Feb 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.05 MGD | 0.03 | +43% | Jan 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.10 MGD | 0.10 | +3% | Dec 2016 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.04 MGD | 0.03 | +16% | Dec 2016 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.26 MGD | 0.10 | +161% | Nov 2016 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.06 MGD | 0.03 | +95% | Sep 2016 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.62 MGD | 0.10 | +526% | Sep 2016 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.05 MGD | 0.03 | +43% | Jul 2016 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.43 MGD | 0.10 | +335% | Jul 2016 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.05 MGD | 0.03 | +50% | Jun 2016 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.16 MGD | 0.10 | +61% | Jun 2016 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.14 MGD | 0.10 | +41% | May 2016 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.04 MGD | 0.03 | +20% | May 2016 | Open |
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