Non-Compliance
Clean Water Act
HAMILTON COUNTY WASTEWATER TREATMENT AUTHORITY, SIGNAL MOUNTAIN STP
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $598,490 in total penalties since records began.
- Address
-
1250 MARKET ST., STE. 3050
CHATTANOOGA, TN 37402
View on map ↗ - County
- HAMILTON County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 2 · last Jan 16, 2025
- Total Penalties
- $598,490 · last Jul 15, 2024
- Registry ID
- 110064256246
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.
9
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 | Oct 31, 2023 | Jul 30, 2024 | Resolved |
| cwa | Schedule Event unachieved and not reported | Oct 31, 2023 | Jul 30, 2024 | Resolved |
| cwa | Schedule Event unachieved and not reported | Oct 31, 2023 | Jul 30, 2024 | Resolved |
| cwa | Schedule Event unachieved and not reported | Oct 31, 2023 | Jul 30, 2024 | Resolved |
| cwa | Schedule Event reported late | Oct 31, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 31, 2023 | — | Open |
| cwa | Schedule Event unachieved but reported | Oct 31, 2023 | Jul 30, 2024 | Resolved |
| cwa | Schedule Event reported late | Oct 31, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 31, 2023 | — | Open |
| cwa | Schedule Event unachieved but reported | Mar 4, 2019 | Jul 30, 2024 | Resolved |
| cwa | Schedule Event unachieved and not reported | Mar 4, 2019 | Jul 30, 2024 | Resolved |
| cwa | Schedule Event reported late | Mar 4, 2019 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 4, 2019 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2019 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2019 | Jul 30, 2024 | Resolved |
| cwa | Schedule Event reported late | Jan 31, 2019 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 31, 2019 | Jul 30, 2024 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Jul 19, 2016 | Nov 2, 2018 | 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 | 2,555.28 occur/d | 0.00 | +2,147,483,650% | Feb 2026 | Open |
| SSO, Dry Weather | DMR, Limited - Numeric Violation | 355.32 occur/d | 0.00 | +2,147,483,650% | Jan 2026 | Open |
| SSO, Wet Weather | DMR, Limited - Numeric Violation | 12,627.12 occur/d | 0.00 | +2,147,483,650% | Jan 2026 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 65.95 kg/d | 60.38 | +9% | Nov 2025 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | -3.80 % | 40.00 | +73% | Oct 2025 | Open |
| SSO, Dry Weather | DMR, Limited - Overdue | 8.88 occur/d | 0.00 | +2,147,483,650% | Oct 2025 | Resolved |
| SSO, Dry Weather | DMR, Limited - Numeric Violation | 8.88 occur/d | 0.00 | +2,147,483,650% | Oct 2025 | Open |
| Solids, settleable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +50% | Oct 2025 | Resolved |
| SSO, Dry Weather | DMR, Limited - Numeric Violation | 69.09 occur/d | 0.00 | +2,147,483,650% | Sep 2025 | Open |
| SSO, Dry Weather | DMR, Limited - Overdue | 69.09 occur/d | 0.00 | +2,147,483,650% | Sep 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 60.00 mg/L | 45.00 | +33% | Aug 2025 | Open |
| Solids, settleable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +50% | Jul 2025 | Resolved |
| SSO, Wet Weather | DMR, Limited - Numeric Violation | 0.10 occur/d | 0.00 | +2,147,483,650% | May 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 175.81 kg/d | 60.38 | +191% | May 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 57.00 mg/L | 45.00 | +27% | May 2025 | Resolved |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 82.90 % | 85.00 | +14% | May 2025 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 37.50 % | 40.00 | +4% | May 2025 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 75.30 % | 85.00 | +65% | May 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 56.94 kg/d | 45.40 | +25% | May 2025 | Open |
| Solids, settleable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +50% | May 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 58.67 mg/L | 40.00 | +47% | May 2025 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 56.64 mg/L | 30.00 | +89% | May 2025 | Resolved |
| SSO, Dry Weather | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | May 2025 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 81.90 % | 85.00 | +21% | Apr 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 69.12 kg/d | 60.38 | +14% | Apr 2025 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 71.10 % | 85.00 | +93% | Apr 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 487.00 | +99,999% | Apr 2025 | Open |
| SSO, Wet Weather | DMR, Limited - Numeric Violation | 0.13 occur/d | 0.00 | +2,147,483,650% | Apr 2025 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 84.30 % | 85.00 | +5% | Mar 2025 | Open |
| SSO, Wet Weather | DMR, Limited - Numeric Violation | 0.07 occur/d | 0.00 | +2,147,483,650% | Mar 2025 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 2.03 mg/L | 2.00 | +2% | Feb 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 134.32 kg/d | 45.40 | +196% | Feb 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 463.59 kg/d | 60.38 | +668% | Feb 2025 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 64.40 % | 85.00 | +137% | Feb 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 64.00 mg/L | 45.00 | +42% | Feb 2025 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 222.76 kg/d | 60.38 | +269% | Feb 2025 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | -14.30 % | 40.00 | +91% | Feb 2025 | Open |
| SSO, Wet Weather | DMR, Limited - Numeric Violation | 0.13 occur/d | 0.00 | +2,147,483,650% | Feb 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 487.00 | +99,999% | Feb 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 70.70 kg/d | 45.40 | +56% | Feb 2025 | Resolved |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 82.60 % | 85.00 | +16% | Feb 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 686.70 MPN/100mL | 487.00 | +41% | Jan 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 126.89 kg/d | 60.38 | +110% | Jan 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 56.85 kg/d | 45.40 | +25% | Jan 2025 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | -59.10 % | 40.00 | +165% | Jan 2025 | Open |
| Solids, settleable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +50% | Jan 2025 | Resolved |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 75.00 % | 85.00 | +67% | Jan 2025 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 55.00 % | 85.00 | +200% | Jan 2025 | Open |
| SSO, Wet Weather | DMR, Limited - Numeric Violation | 0.07 occur/d | 0.00 | +2,147,483,650% | Jan 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 49.33 mg/L | 45.00 | +10% | Jan 2025 | 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.
Judicial
· Case 04-2015-9007 · Jul 15, 2024
$598,490
State Administrative Order of Consent
Clean Water Act
· Case TN-WPC17-0095 · Nov 2, 2018
$8,272
State CWA Non Penalty AO
Clean Water Act
· Case TN-N00000673 · Nov 7, 1985
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