Non-Compliance
Clean Water Act
DOON CITY OF STP
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $2,000 in total penalties since records began.
- Address
-
CITY CLERK, CITY HALL
DOON, IA 51235
View on map ↗ - County
- LYON County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 1 · last Sep 28, 2023
- Total Penalties
- $2,000 · last Feb 18, 2025
- Registry ID
- 110010036353
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 unachieved but reported | Aug 1, 2025 | Feb 25, 2026 | Resolved |
| cwa | Schedule Event reported late | Aug 1, 2025 | — | Open |
| cwa | Schedule Event achieved late but reported | Aug 1, 2025 | — | Open |
| cwa | Schedule Event unachieved and not reported | Aug 1, 2025 | Feb 25, 2026 | Resolved |
| cwa | Schedule Event achieved late but reported | Aug 1, 2024 | — | Open |
| cwa | Schedule Event unachieved but reported | Aug 1, 2024 | Feb 25, 2026 | Resolved |
| cwa | Schedule Event unachieved and not reported | Aug 1, 2024 | Feb 25, 2026 | Resolved |
| cwa | Schedule Event reported late | Aug 1, 2024 | — | Open |
| cwa | Schedule Event reported late | Aug 1, 2023 | — | Open |
| cwa | Schedule Event unachieved but reported | Aug 1, 2023 | Feb 25, 2026 | Resolved |
| cwa | Schedule Event unachieved and not reported | Aug 1, 2023 | Feb 25, 2026 | Resolved |
| cwa | Schedule Event achieved late but reported | Aug 1, 2023 | — | Open |
| cwa | Schedule Event reported late | Aug 1, 2021 | — | Open |
| cwa | Schedule Event achieved late but reported | Aug 1, 2021 | — | Open |
| cwa | Schedule Event achieved late but reported | Aug 1, 2020 | — | Open |
| cwa | Schedule Event unachieved and not reported | Aug 1, 2020 | Dec 7, 2020 | Resolved |
| cwa | Schedule Event reported late | Aug 1, 2020 | — | Open |
| cwa | Schedule Event unachieved but reported | Aug 1, 2020 | Dec 7, 2020 | Resolved |
| cwa | Schedule Event reported late | Nov 1, 2019 | — | Open |
| cwa | Schedule Event unachieved but reported | Nov 1, 2019 | Feb 10, 2020 | Resolved |
| cwa | Schedule Event unachieved and not reported | Nov 1, 2019 | Feb 10, 2020 | Resolved |
| cwa | Schedule Event achieved late but reported | Nov 1, 2019 | — | Open |
| cwa | Schedule Event achieved late but reported | Aug 1, 2019 | — | Open |
| cwa | Schedule Event unachieved but reported | Feb 1, 2019 | Aug 14, 2019 | Resolved |
| cwa | Schedule Event achieved late but reported | Feb 1, 2019 | — | Open |
| cwa | Schedule Event reported late | Feb 1, 2019 | — | Open |
| cwa | Schedule Event unachieved and not reported | Feb 1, 2019 | Aug 14, 2019 | 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 |
|---|---|---|---|---|---|---|
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,257.83 kg/d | 1,025.13 | +23% | Dec 2025 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,100.00 mg/L | 615.00 | +79% | Dec 2025 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,257.83 kg/d | 1,094.14 | +15% | Dec 2025 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,100.00 mg/L | 657.00 | +67% | Dec 2025 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,232.84 kg/d | 1,025.13 | +20% | Nov 2025 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,100.00 mg/L | 615.00 | +79% | Nov 2025 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 560.00 MPN/100mL | 235.00 | +138% | Nov 2025 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,232.84 kg/d | 1,094.14 | +13% | Nov 2025 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,100.00 mg/L | 657.00 | +67% | Nov 2025 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 810.00 mg/L | 615.00 | +32% | Jun 2025 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 810.00 mg/L | 657.00 | +23% | Jun 2025 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 860.00 mg/L | 657.00 | +31% | May 2025 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 860.00 mg/L | 615.00 | +40% | May 2025 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,058.29 kg/d | 1,025.13 | +3% | May 2025 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 840.00 mg/L | 657.00 | +28% | May 2024 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 840.00 mg/L | 615.00 | +37% | May 2024 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 27.00 mg/L | 25.00 | +8% | Dec 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 110.00 mg/L | 80.00 | +38% | Dec 2023 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,261.99 kg/d | 1,025.13 | +23% | Dec 2023 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,100.00 mg/L | 657.00 | +67% | Dec 2023 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,100.00 mg/L | 615.00 | +79% | Dec 2023 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,270.32 kg/d | 1,094.14 | +16% | Dec 2023 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 830.00 mg/L | 615.00 | +35% | Apr 2023 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 860.00 mg/L | 657.00 | +31% | Apr 2023 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 32.50 mg/L | 25.00 | +30% | Apr 2023 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,264.08 kg/d | 1,025.13 | +23% | Nov 2022 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,400.00 mg/L | 657.00 | +113% | Nov 2022 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,341.13 kg/d | 1,094.14 | +23% | Nov 2022 | Open |
| E. coli | DMR, Limited - Numeric Violation | 8,700.00 MPN/100mL | 235.00 | +3,602% | Nov 2022 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,250.00 mg/L | 615.00 | +103% | Nov 2022 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 860.00 mg/L | 657.00 | +31% | Jun 2022 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,000.00 mg/L | 657.00 | +52% | Dec 2021 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 926.00 mg/L | 615.00 | +51% | Dec 2021 | Open |
| Chloride [as Cl] | DMR, Limited - Overdue | 730.00 mg/L | 657.00 | +11% | Apr 2021 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 730.00 mg/L | 615.00 | +19% | Apr 2021 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 730.00 mg/L | 657.00 | +11% | Apr 2021 | Open |
| Chloride [as Cl] | DMR, Limited - Overdue | 730.00 mg/L | 615.00 | +19% | Apr 2021 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,000.00 mg/L | 615.00 | +63% | Nov 2020 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,000.00 mg/L | 657.00 | +52% | Nov 2020 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 944.00 mg/L | 657.00 | +44% | Oct 2020 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 944.00 mg/L | 615.00 | +53% | Oct 2020 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 789.00 mg/L | 615.00 | +28% | Jun 2020 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 789.00 mg/L | 657.00 | +20% | Jun 2020 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 716.00 mg/L | 657.00 | +9% | May 2020 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 716.00 mg/L | 615.00 | +16% | May 2020 | Open |
| E. coli | DMR, Limited - Numeric Violation | 4,800.00 MPN/100mL | 235.00 | +1,943% | Jul 2018 | Open |
| E. coli | DMR, Limited - Numeric Violation | 4,800.00 MPN/100mL | 235.00 | +1,943% | May 2017 | Open |
| E. coli | DMR, Limited - Numeric Violation | 420.00 MPN/100mL | 235.00 | +79% | May 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 120.00 mg/L | 80.00 | +50% | May 2016 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 35.00 mg/L | 25.00 | +40% | May 2016 | 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.
State CWA Penalty AO
Clean Water Act
· Case IA-N8711 · Feb 18, 2025
$2,000
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