Non-Compliance
Clean Air Act
Clean Water Act
RCRA
91ST AVENUE WASTEWATER TREATMENT PLANT
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
-
5615 S 91ST AVE
TOLLESON, AZ 85353
View on map ↗ - County
- MARICOPA County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 6 · last Aug 20, 2024
- Total Penalties
- $0 · last Jan 22, 1991
- Registry ID
- 110000510144
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
6
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
2
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 | Dry-weather SSO discharge to waters of the U.S. that may endanger health or the environment | Mar 11, 2026 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Jan 13, 2026 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Dec 9, 2025 | — | Open |
| cwa | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | Sep 26, 2025 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Jun 23, 2025 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | May 21, 2025 | — | Open |
| cwa | Dry-weather SSO discharge to waters of the U.S. that may endanger health or the environment | Feb 3, 2025 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Dec 22, 2024 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Dec 8, 2024 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Dec 5, 2024 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Dec 3, 2024 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Dec 1, 2024 | — | Open |
| cwa | Dry-weather SSO discharge to waters of the U.S. that may endanger health or the environment | Nov 4, 2024 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Nov 2, 2024 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Oct 14, 2024 | — | Open |
| rcra | Standards Applicable to Generators of HW: General | Aug 20, 2024 | Oct 22, 2024 | Resolved |
| cwa | Dry-weather SSO discharge to waters of the U.S. that may endanger health or the environment | Aug 15, 2024 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Aug 10, 2024 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Jul 14, 2024 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | May 16, 2024 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Apr 14, 2024 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Apr 11, 2024 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Apr 3, 2024 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Mar 31, 2024 | — | Open |
| cwa | Dry-weather SSO discharge to waters of the U.S. that may endanger health or the environment | Mar 13, 2024 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Jan 14, 2024 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Dec 31, 2023 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Dec 28, 2023 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Oct 5, 2023 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Sep 20, 2023 | — | Open |
| cwa | Dry-weather SSO discharge to waters of the U.S. that may endanger health or the environment | Sep 17, 2023 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Sep 8, 2023 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Sep 5, 2023 | — | Open |
| caa | FRV | Jul 14, 2022 | — | Open |
| caa | FRV | Jul 13, 2022 | — | Open |
| rcra | Standards Applicable to Generators of HW: General | Jan 16, 2003 | Mar 17, 2003 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jan 16, 2003 | Mar 17, 2003 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Dec 13, 1996 | Mar 13, 1997 | Resolved |
| cwa | Schedule Event achieved late but reported | Jul 1, 1988 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jul 1, 1988 | Mar 31, 1990 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jul 1, 1988 | Mar 31, 1990 | Resolved |
| cwa | Schedule Event achieved late but reported | Jul 1, 1988 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 1, 1988 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jul 1, 1988 | Mar 31, 1990 | Resolved |
| cwa | Schedule Event achieved late but reported | Sep 15, 1987 | — | Open |
| cwa | Schedule Event unachieved and not reported | Sep 15, 1987 | Mar 31, 1990 | Resolved |
| cwa | Schedule Event achieved late but reported | Apr 15, 1986 | — | 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 |
|---|---|---|---|---|---|---|
| Chlorine, total residual | DMR, Limited - Numeric Violation | 1.58 mg/L | 0.02 | +8,629% | Apr 2023 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.72 mg/L | 0.01 | +6,445% | Apr 2023 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 274.03 kg/d | 9.53 | +2,774% | Apr 2023 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 717.55 kg/d | 15.75 | +4,455% | Apr 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1,100,000.00 mg/L | 1,000,000.00 | +10% | Aug 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2,300,000.00 mg/L | 1,000,000.00 | +130% | Aug 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1,600,000.00 mg/L | 1,000,000.00 | +60% | Jan 2020 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.02 | +38% | Sep 2017 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.02 | +5% | Jan 2017 | 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.
Judicial
· Case 09-1976-0004
NOC/NOTICE OF OPPORTUNITY TO CORRECT
RCRA (Hazardous Waste)
· Case RCRA-AZD981667652-8 · Aug 26, 2024
FIELD INSPECTION REPORT
RCRA (Hazardous Waste)
· Case RCRA-AZD981667652-7 · Aug 20, 2024
Warning Letter
Clean Air Act
· Case 3603401469 · Jul 14, 2022
Warning Letter
Clean Air Act
· Case 3603653115 · Jul 13, 2022
INSPECTION REPORT WRITTEN
RCRA (Hazardous Waste)
· Case RCRA-AZD981667652-6 · Feb 23, 2021
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-AZD981667652-005 · Apr 28, 2003
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-AZD981667652-001 · Feb 6, 1997
Judicial
· Case 09-1989-0021 · Jan 22, 1991
$450,000
CWA 309A AO For Compliance
Clean Water Act
· Case 09-1985-N012 · Sep 30, 1985
CWA 309A AO For Compliance
Clean Water Act
· Case 09-1985-N011 · Dec 14, 1984
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