Non-Compliance
Clean Water Act
MONTOUR 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
MONTOUR, IA 50173
View on map ↗ - County
- TAMA County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 2 · last Apr 10, 2024
- Total Penalties
- $0
- Registry ID
- 110043869267
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.
8
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 reported late | Feb 1, 2025 | — | Open |
| cwa | Schedule Event unachieved but reported | Feb 1, 2025 | Sep 9, 2025 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 1, 2025 | Sep 9, 2025 | Resolved |
| cwa | Schedule Event achieved late but reported | Feb 1, 2025 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 1, 2022 | — | Open |
| cwa | Schedule Event reported late | Mar 1, 2022 | — | Open |
| cwa | Schedule Event unachieved and not reported | Mar 1, 2022 | May 3, 2022 | Resolved |
| cwa | Schedule Event unachieved but reported | Mar 1, 2022 | May 3, 2022 | Resolved |
| cwa | Schedule Event achieved late but reported | Mar 1, 2021 | — | Open |
| cwa | Schedule Event achieved late but reported | Aug 31, 1995 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 1, 1995 | — | Open |
| cwa | Schedule Event unachieved and not reported | Mar 1, 1995 | Jul 20, 1995 | Resolved |
| cwa | Schedule Event achieved late but reported | Aug 2, 1994 | — | Open |
| cwa | Schedule Event unachieved and not reported | Aug 2, 1994 | Apr 17, 1995 | Resolved |
| cwa | Schedule Event achieved late but reported | Jun 7, 1994 | — | 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 | 0.71 kg/d | 0.45 | +56% | Aug 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.80 mg/L | 2.00 | +40% | Jun 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.94 kg/d | 0.54 | +73% | Jun 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.79 mg/L | 2.00 | +40% | Jun 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.48 mg/L | 2.80 | +24% | Oct 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.48 mg/L | 2.80 | +24% | Oct 2023 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 26.00 mg/L | 25.00 | +4% | Apr 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.46 mg/L | 4.10 | +9% | Mar 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.46 mg/L | 4.10 | +9% | Mar 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.98 mg/L | 2.00 | +49% | Jun 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.65 kg/d | 0.54 | +20% | Jun 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.40 mg/L | 2.00 | +20% | Jun 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.38 mg/L | 3.30 | +2% | Jun 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.53 mg/L | 4.10 | +10% | Mar 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.53 mg/L | 4.10 | +10% | Mar 2021 | 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 Non Penalty AO
Clean Water Act
· Case IA-N3222 · Apr 20, 1994
State CWA Non Penalty AO
Clean Water Act
· Case IA-3222 · Apr 20, 1994
State CWA Non Penalty AO
Clean Water Act
· Case IA-N00000161 · Apr 20, 1994
State CWA Non Penalty AO
Clean Water Act
· Case IA-N00001814 · Jun 22, 1993
State CWA Non Penalty AO
Clean Water Act
· Case IA-3223 · Jun 22, 1993
State CWA Non Penalty AO
Clean Water Act
· Case IA-N3223 · Jun 22, 1993
State CWA Non Penalty AO
Clean Water Act
· Case IA-N3224 · Jan 11, 1993
State CWA Non Penalty AO
Clean Water Act
· Case IA-N00001809 · Jan 11, 1993
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