Non-Compliance
Clean Water Act
CITY OF SPRING HILL STP
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $20,180 in total penalties since records began.
- Address
-
3893 MAHLON MOORE ROAD
SPRING HILL, TN 37174
View on map ↗ - County
- MAURY County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 4 · last Apr 2, 2025
- Total Penalties
- $20,180 · last Aug 5, 2025
- Registry ID
- 110006688824
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
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 | Dec 31, 2024 | Aug 5, 2025 | Resolved |
| cwa | Schedule Event unachieved and not reported | Dec 31, 2024 | Aug 5, 2025 | Resolved |
| cwa | Schedule Event reported late | Dec 31, 2024 | — | Open |
| cwa | Schedule Event achieved late but reported | Dec 31, 2024 | — | Open |
| cwa | Schedule Event reported late | Nov 30, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Nov 30, 2023 | — | Open |
| cwa | Schedule Event unachieved and not reported | Nov 30, 2023 | Aug 5, 2025 | Resolved |
| cwa | Schedule Event unachieved but reported | Nov 30, 2023 | Aug 5, 2025 | 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 |
|---|---|---|---|---|---|---|
| SSO, Wet Weather | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | Jan 2026 | Open |
| Solids, settleable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +600% | Oct 2025 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 74.15 kg/d | 64.17 | +16% | Sep 2025 | Resolved |
| SSO, Dry Weather | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | Sep 2025 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 87.03 kg/d | 64.17 | +36% | Aug 2025 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 94.83 kg/d | 64.17 | +48% | Jul 2025 | Resolved |
| SSO, Dry Weather | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | Jul 2025 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 104.38 kg/d | 64.17 | +63% | Jun 2025 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 112.30 kg/d | 64.17 | +75% | May 2025 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 118.80 kg/d | 64.17 | +85% | Apr 2025 | Resolved |
| SSO, Dry Weather | DMR, Limited - Numeric Violation | 0.07 occur/d | 0.00 | +2,147,483,650% | Apr 2025 | Open |
| SSO, Dry Weather | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | Mar 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 23.60 MPN/100mL | 23.00 | +3% | Mar 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 23.60 MPN/100mL | 23.00 | +3% | Mar 2025 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 95.58 kg/d | 64.17 | +49% | Mar 2025 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 109.16 kg/d | 64.17 | +70% | Feb 2025 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 109.16 kg/d | 64.17 | +70% | Jan 2025 | Resolved |
| SSO, Dry Weather | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | Jan 2025 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 83.62 kg/d | 64.17 | +30% | Dec 2024 | Resolved |
| SSO, Dry Weather | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | Dec 2024 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 79.62 kg/d | 64.17 | +24% | Nov 2024 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 79.17 kg/d | 64.17 | +23% | Oct 2024 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 79.03 kg/d | 64.17 | +23% | Sep 2024 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 74.08 kg/d | 64.17 | +15% | Aug 2024 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 75.32 kg/d | 64.17 | +17% | Jul 2024 | Resolved |
| SSO, Dry Weather | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | Jul 2024 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 77.89 kg/d | 64.17 | +21% | Jun 2024 | Resolved |
| SSO, Wet Weather | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | May 2024 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 75.38 kg/d | 64.17 | +17% | May 2024 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 73.97 kg/d | 64.17 | +15% | Apr 2024 | Resolved |
| SSO, Dry Weather | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | Apr 2024 | Open |
| Solids, settleable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +150% | Mar 2024 | Open |
| SSO, Dry Weather | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | Mar 2024 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 73.89 kg/d | 64.17 | +15% | Feb 2024 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 108.81 kg/d | 64.17 | +70% | Jan 2024 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 81.60 kg/d | 64.17 | +27% | Dec 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.17 mg/L | 3.20 | +30% | Dec 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.61 mg/L | 4.20 | +81% | Dec 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 62.48 kg/d | 60.56 | +3% | Dec 2023 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 80.44 kg/d | 64.17 | +25% | Nov 2023 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 81.06 kg/d | 64.17 | +26% | Oct 2023 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 78.11 kg/d | 64.17 | +22% | Sep 2023 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 80.94 kg/d | 64.17 | +26% | Aug 2023 | Resolved |
| SSO, Dry Weather | DMR, Limited - Numeric Violation | 0.07 occur/d | 0.00 | +2,147,483,650% | Aug 2023 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 81.04 kg/d | 64.17 | +26% | Jul 2023 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 78.00 kg/d | 64.17 | +22% | Jun 2023 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 84.53 kg/d | 64.17 | +32% | May 2023 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 85.53 kg/d | 64.17 | +33% | Apr 2023 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 95.67 kg/d | 64.17 | +49% | Mar 2023 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 99.57 kg/d | 64.17 | +55% | Feb 2023 | Resolved |
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 Administrative Order of Consent
Clean Water Act
· Case TN-WPC25-0093 · Aug 5, 2025
$13,140
State CWA Penalty AO
Clean Water Act
· Case TN-WPC22-0001 · Mar 3, 2022
$7,040
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