Non-Compliance
Clean Water Act
UNDERWOOD 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
-
218 2ND STREET - P.O. BOX 40
UNDERWOOD, IA 51576
View on map ↗ - County
- POTTAWATTAMIE County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 1 · last Jan 29, 2025
- Total Penalties
- $0
- Registry ID
- 110009723941
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.
2
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
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 | 48.23 mg/L | 25.00 | +93% | Jan 2026 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 55.40 mg/L | 40.00 | +39% | Jan 2026 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 32.32 mg/L | 25.00 | +29% | Dec 2025 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 35.98 mg/L | 25.00 | +44% | Nov 2025 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 43.10 mg/L | 40.00 | +8% | Nov 2025 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.29 MGD | 0.19 | +56% | Oct 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.28 MGD | 0.16 | +69% | Jun 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.75 MGD | 0.19 | +306% | Jun 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.88 MGD | 0.19 | +378% | May 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.29 MGD | 0.16 | +79% | May 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.22 MGD | 0.16 | +33% | Apr 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.25 MGD | 0.19 | +34% | Apr 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.17 MGD | 0.16 | +5% | Mar 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.20 MGD | 0.19 | +10% | Mar 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.19 MGD | 0.19 | +3% | Jan 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.19 MGD | 0.16 | +13% | Jan 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.17 MGD | 0.16 | +5% | Dec 2016 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.29 MGD | 0.19 | +58% | Dec 2016 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.29 MGD | 0.19 | +58% | Nov 2016 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.17 MGD | 0.16 | +5% | Nov 2016 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Overdue | 0.17 MGD | 0.16 | +5% | Nov 2016 | Resolved |
| Flow, in conduit or thru treatment plant | DMR, Limited - Overdue | 0.29 MGD | 0.19 | +58% | Nov 2016 | Resolved |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.17 MGD | 0.16 | +5% | Sep 2016 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.17 MGD | 0.16 | +3% | Aug 2016 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.29 MGD | 0.19 | +58% | Jun 2016 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.17 MGD | 0.16 | +5% | Jun 2016 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.17 MGD | 0.16 | +3% | May 2016 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.19 MGD | 0.16 | +14% | Apr 2016 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.20 MGD | 0.19 | +10% | Apr 2016 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.18 MGD | 0.16 | +10% | Mar 2016 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.29 MGD | 0.19 | +58% | Feb 2016 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.17 MGD | 0.16 | +5% | Feb 2016 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.22 MGD | 0.19 | +18% | Jan 2016 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.26 MGD | 0.19 | +38% | Dec 2015 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.20 MGD | 0.16 | +20% | Dec 2015 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.25 MGD | 0.19 | +34% | Nov 2015 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.41 MGD | 0.19 | +123% | Jul 2015 | Open |
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