Non-Compliance
Clean Air Act
Clean Water Act
RCRA
CLIFTON C. WILLIAMS WASTEWATER TREATMENT FACILITY
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $954,000 in total penalties since records began.
- Address
-
1600 YEEND ST
MOBILE, AL 36603
View on map ↗ - County
- MOBILE County
- Industry
- Construction
- NAICS (North American Industry Classification)
- 237110
- Inspections
- 11 · last Aug 11, 2025
- Total Penalties
- $954,000 · last Oct 12, 2021
- Registry ID
- 110000521007
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.
0
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
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 | PR: Biosolids: Other Management Practice Violation | Jan 1, 2019 | Sep 30, 2020 | Resolved |
| rcra | Standards for Used Oil: Generators | Aug 14, 2007 | Sep 12, 2007 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Aug 14, 2007 | Sep 12, 2007 | Resolved |
| cwa | Schedule Event achieved late but reported | Aug 1, 1995 | — | 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 | 30.31 mg/L | 20.00 | +52% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 32.11 mg/L | 30.00 | +7% | Jan 2026 | Open |
| Enterococci: group D, MF trans, M-E, EIA | DMR, Limited - Numeric Violation | 299.00 MPN/100mL | 275.00 | +9% | Dec 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3,374.58 kg/d | 3,180.27 | +6% | Dec 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2,208.71 kg/d | 2,120.18 | +4% | Dec 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 28.34 mg/L | 20.00 | +42% | Dec 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 47.00 mg/L | 45.00 | +4% | Dec 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 33.31 mg/L | 30.00 | +11% | Dec 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 30.02 mg/L | 20.00 | +50% | Nov 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 34.47 mg/L | 30.00 | +15% | Nov 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 27.97 mg/L | 20.00 | +40% | Oct 2025 | Resolved |
| Enterococci: group D, MF trans, M-E, EIA | DMR, Limited - Numeric Violation | 86.00 MPN/100mL | 35.00 | +146% | Oct 2025 | Open |
| Enterococci: group D, MF trans, M-E, EIA | DMR, Limited - Numeric Violation | 98.00 MPN/100mL | 35.00 | +180% | Sep 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 23.43 mg/L | 20.00 | +17% | Sep 2025 | Resolved |
| Enterococci: group D, MF trans, M-E, EIA | DMR, Limited - Numeric Violation | 179.00 MPN/100mL | 158.00 | +13% | Sep 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 20.66 mg/L | 20.00 | +3% | Aug 2025 | Resolved |
| Enterococci: group D, MF trans, M-E, EIA | DMR, Limited - Numeric Violation | 69.00 MPN/100mL | 35.00 | +97% | Aug 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 73.00 mg/L | 45.00 | +62% | Jul 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 7,222.69 kg/d | 4,770.63 | +51% | Jul 2025 | Open |
| Enterococci: group D, MF trans, M-E, EIA | DMR, Limited - Numeric Violation | 60.00 MPN/100mL | 35.00 | +71% | Jul 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 41.00 mg/L | 30.00 | +37% | Jun 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 9,517.20 kg/d | 4,770.63 | +99% | Jun 2025 | Open |
| Enterococci: group D, MF trans, M-E, EIA | DMR, Limited - Numeric Violation | 207.00 MPN/100mL | 158.00 | +31% | Jun 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 83.00 mg/L | 45.00 | +84% | Jun 2025 | Open |
| Enterococci: group D, MF trans, M-E, EIA | DMR, Limited - Numeric Violation | 71.00 MPN/100mL | 35.00 | +103% | Jun 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 4,343.42 kg/d | 3,180.27 | +37% | Jun 2025 | Open |
| Enterococci: group D, MF trans, M-E, EIA | DMR, Limited - Numeric Violation | 37.00 MPN/100mL | 35.00 | +6% | May 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 9,044.59 kg/d | 4,770.63 | +90% | May 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 68.00 mg/L | 45.00 | +51% | May 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 5,606.45 kg/d | 4,770.63 | +18% | Apr 2025 | Open |
| Enterococci: group D, MF trans, M-E, EIA | DMR, Limited - Numeric Violation | 41.00 MPN/100mL | 35.00 | +17% | Oct 2024 | Open |
| Enterococci: group D, MF trans, M-E, EIA | DMR, Limited - Numeric Violation | 211.00 MPN/100mL | 158.00 | +34% | Oct 2024 | Open |
| Enterococci: group D, MF trans, M-E, EIA | DMR, Limited - Numeric Violation | 222.00 MPN/100mL | 158.00 | +41% | Jun 2024 | Open |
| Enterococci: group D, MF trans, M-E, EIA | DMR, Limited - Numeric Violation | 58.00 MPN/100mL | 35.00 | +66% | Jun 2024 | Open |
| Enterococci: group D, MF trans, M-E, EIA | DMR, Limited - Numeric Violation | 47.00 MPN/100mL | 35.00 | +34% | May 2024 | Open |
| Enterococci: group D, MF trans, M-E, EIA | DMR, Limited - Numeric Violation | 461.00 MPN/100mL | 275.00 | +68% | Apr 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 20.79 mg/L | 20.00 | +4% | Apr 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 46.00 mg/L | 45.00 | +2% | Apr 2024 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 83.63 % | 85.00 | +9% | Apr 2024 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 82.27 % | 85.00 | +18% | Jan 2023 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 81.75 % | 85.00 | +22% | Dec 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 6,012.78 kg/d | 4,770.63 | +26% | Aug 2022 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 72.24 % | 85.00 | +85% | Aug 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 3,558.45 kg/d | 3,180.27 | +12% | Aug 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 6,965.72 kg/d | 4,770.63 | +46% | May 2022 | Open |
| Enterococci: group D, MF trans, M-E, EIA | DMR, Limited - Numeric Violation | 2,419.00 MPN/100mL | 275.00 | +780% | Mar 2022 | Open |
| Enterococci: group D, MF trans, M-E, EIA | DMR, Limited - Numeric Violation | 290.00 MPN/100mL | 158.00 | +84% | May 2021 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 81.82 % | 85.00 | +21% | Feb 2021 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 83.76 % | 85.00 | +8% | Oct 2020 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 84.91 % | 85.00 | +1% | Sep 2020 | 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.
Civil Judicial Action
Clean Water Act
· Case AL-39-000102 · Oct 12, 2021
$954,000
Administrative - Formal
· Case 04-2010-8018 · Aug 3, 2010
$3,500
WARNING LETTER
RCRA (Hazardous Waste)
· Case RCRA-ALR000023317-001 · Aug 28, 2007
Administrative - Formal
· Case 04-2006-8013 · May 3, 2006
$6,000
Judicial
· Case 04-2000-0932 · Apr 10, 2002
$114,000
State CWA Non Penalty AO
Clean Water Act
· Case AL-N00000390 · Aug 4, 1994
State CWA Non Penalty AO
Clean Water Act
· Case AL-N00000347 · Jun 16, 1992
State CWA Non Penalty AO
Clean Water Act
· Case AL-N00000215 · Sep 18, 1990
State CWA Non Penalty AO
Clean Water Act
· Case AL-N00000205 · Feb 29, 1988
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