EmissionsLookup
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
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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

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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