Non-Compliance
Clean Water Act
RCRA
CARO WWTP
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
-
724 COLUMBIA STREET
CARO, MI 48723
View on map ↗ - County
- TUSCOLA County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 3 · last Jul 9, 2025
- Total Penalties
- $0
- Registry ID
- 110003576238
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
0
Hazardous Waste (RCRA)
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 | Jun 14, 2025 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Oct 21, 2024 | — | Open |
| cwa | Schedule Event achieved late but reported | Sep 14, 2024 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Apr 21, 2024 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 31, 2024 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Nov 21, 2023 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Jul 21, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 31, 2023 | — | Open |
| cwa | Schedule Event unachieved but reported | Mar 31, 2023 | — | Open |
| cwa | Schedule Event unachieved and not reported | Mar 31, 2023 | — | Open |
| cwa | Schedule Event reported late | Mar 31, 2023 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Apr 21, 2022 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Aug 21, 2021 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | May 8, 2009 | — | 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 |
|---|---|---|---|---|---|---|
| Solids, total suspended | DMR, Limited - Numeric Violation | 106.90 mg/L | 45.00 | +138% | Jan 2026 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 42.60 mg/L | 30.00 | +42% | Jan 2026 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 294.19 kg/d | 204.30 | +44% | Jan 2026 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 73.00 % | 85.00 | +80% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.80 mg/L | 0.50 | +1,060% | Jul 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.44 kg/d | 2.27 | +360% | Jul 2023 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.16 mg/L | 1.00 | +16% | Jun 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 12.26 kg/d | 2.27 | +440% | Jun 2023 | Resolved |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 4.80 mg/L | 4.00 | +20% | Jun 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 31.10 mg/L | 30.00 | +4% | Jun 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.68 mg/L | 0.50 | +1,236% | Jun 2023 | Resolved |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 3.90 mg/L | 4.00 | +3% | Jul 2022 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 4.60 mg/L | 4.00 | +15% | May 2020 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 20.00 mg/L | 0.04 | +52,532% | Dec 2019 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.30 mg/L | 0.04 | +689% | Nov 2018 | 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.
CWA 309A AO For Compliance
Clean Water Act
· Case 05-1987-N036 · Jan 22, 1987
CWA 309A AO For Compliance
Clean Water Act
· Case 05-1986-N020 · Sep 26, 1986
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