Non-Compliance
Clean Water Act
TOLLESON 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
-
9555 W VAN BUREN ST
TOLLESON, AZ 85353
View on map ↗ - County
- MARICOPA County
- Inspections
- 8 · last Feb 19, 2025
- Total Penalties
- $0 · last Aug 12, 2010
- Registry ID
- 110000730335
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.
11
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 | Effluent Violations - Numeric effluent violation | Mar 4, 2026 | — | Open |
| cwa | Reporting Violations - Failure to Submit DMRs | Mar 4, 2026 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Aug 11, 2025 | — | Open |
| cwa | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | Aug 11, 2025 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Jun 8, 2022 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Apr 15, 2022 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Apr 15, 2022 | — | Open |
| cwa | Monitoring Violations - Analysis not Conducted | May 4, 2021 | — | Open |
| cwa | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | May 4, 2021 | — | Open |
| cwa | Reporting Violations - Failure to Submit DMRs | Jun 24, 2020 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Jun 24, 2020 | — | Open |
| cwa | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | Jun 24, 2020 | — | Open |
| cwa | Reporting Violations - Failure to Notify | Jun 24, 2020 | — | Open |
| cwa | Monitoring Violations - Analysis not Conducted | Jun 24, 2020 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Dec 15, 2017 | — | Open |
| cwa | Schedule Event unachieved and not reported | Nov 15, 1991 | Sep 30, 1992 | Resolved |
| cwa | Schedule Event achieved late but reported | Nov 15, 1991 | — | 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 |
|---|---|---|---|---|---|---|
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | DMR, Limited - Numeric Violation | 2.60 toxic | 1.60 | +63% | Dec 2025 | Open |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | DMR, Limited - Numeric Violation | 4.00 toxic | 1.00 | +300% | Dec 2025 | Open |
| Di[2-ethylhexyl] phthalate [DEHP] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.00 | +600% | Sep 2025 | Open |
| Di[2-ethylhexyl] phthalate [DEHP] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.00 | +425% | Sep 2025 | Open |
| Di[2-ethylhexyl] phthalate [DEHP] | DMR, Limited - Numeric Violation | 0.52 kg/d | 0.30 | +75% | Sep 2025 | Open |
| Di[2-ethylhexyl] phthalate [DEHP] | DMR, Limited - Numeric Violation | 0.52 kg/d | 0.20 | +162% | Sep 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 31.00 mg/L | 30.00 | +3% | May 2025 | Open |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +38% | Apr 2025 | Open |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | DMR, Limited - Numeric Violation | 4.00 toxic | 1.60 | +150% | Dec 2024 | Open |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | DMR, Limited - Numeric Violation | 4.00 toxic | 1.00 | +300% | Dec 2024 | Open |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | DMR, Limited - Numeric Violation | 4.00 toxic | 1.60 | +150% | Sep 2024 | Open |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | DMR, Limited - Numeric Violation | 2.10 toxic | 1.00 | +110% | Sep 2024 | Open |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.02 | +13% | Apr 2024 | Open |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +125% | Apr 2024 | Open |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | DMR, Limited - Numeric Violation | 12.00 toxic | 1.60 | +650% | Dec 2023 | Open |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | DMR, Limited - Numeric Violation | 12.00 toxic | 1.00 | +1,100% | Dec 2023 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 1,730.00 MPN/100mL | 575.00 | +201% | Oct 2023 | Open |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | DMR, Limited - Numeric Violation | 8.00 toxic | 1.00 | +700% | Sep 2023 | Open |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | DMR, Limited - Numeric Violation | 8.00 toxic | 1.60 | +400% | Sep 2023 | Open |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | DMR, Limited - Numeric Violation | 8.00 toxic | 1.00 | +700% | Jun 2023 | Open |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | DMR, Limited - Numeric Violation | 8.00 toxic | 1.60 | +400% | Jun 2023 | Open |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | DMR, Limited - Numeric Violation | 8.00 toxic | 1.60 | +400% | Dec 2022 | Open |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | DMR, Limited - Numeric Violation | 8.00 toxic | 1.00 | +700% | Dec 2022 | Open |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +38% | Oct 2022 | Open |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | DMR, Limited - Numeric Violation | 8.00 toxic | 1.00 | +700% | Sep 2022 | Open |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | DMR, Limited - Numeric Violation | 8.00 toxic | 1.60 | +400% | Sep 2022 | Open |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | DMR, Limited - Numeric Violation | 1.30 toxic | 1.00 | +30% | Jun 2022 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 648.80 MPN/100mL | 575.00 | +13% | Apr 2022 | Open |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +38% | Apr 2022 | Open |
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 1.30 toxic | 1.00 | +30% | Jun 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2,000,000.00 mg/L | 1,000,000.00 | +100% | Oct 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1,080,000.00 mg/L | 1,000,000.00 | +8% | Oct 2020 | Open |
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 4.00 toxic | 1.00 | +300% | Jun 2020 | Open |
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 4.00 toxic | 1.60 | +150% | Jun 2020 | Open |
| Mercury, total recoverable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +100% | Apr 2020 | Open |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +38% | Oct 2019 | Open |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | DMR, Limited - Numeric Violation | 8.00 toxic | 1.60 | +400% | Sep 2019 | Open |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | DMR, Limited - Numeric Violation | 8.00 toxic | 1.00 | +700% | Sep 2019 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 686.70 MPN/100mL | 575.00 | +19% | Sep 2019 | Open |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | DMR, Limited - Numeric Violation | 1.33 toxic | 1.00 | +33% | Jun 2019 | Open |
| 4,4'-DDD | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +15,400% | Dec 2018 | Open |
| 4,4'-DDE | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +18,900% | Dec 2018 | Open |
| Chlordane [tech mix. and metabolites] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +47,400% | Dec 2018 | Open |
| Chlordane [tech mix. and metabolites] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +75,900% | Dec 2018 | Open |
| 4,4'-DDT | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +13,900% | Dec 2018 | Open |
| Toxaphene | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +689,900% | Dec 2018 | Open |
| 2,4,6-Trichlorophenol | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +47% | Dec 2018 | Open |
| 4,4'-DDE | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +12,567% | Dec 2018 | Open |
| Dieldrin | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +3,100% | Dec 2018 | Open |
| 4,4'-DDT | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +20,900% | Dec 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 309G2B AO For Class II Penalties
Clean Water Act
· Case 09-1992-N032
$5,000
Administrative - Formal
· Case 09-2010-3538 · Aug 12, 2010
$2,000
CWA 309A AO For Compliance
Clean Water Act
· Case 09-2005-N001 · Nov 26, 2004
Administrative - Formal
· Case 09-2004-0004 · Nov 25, 2003
CWA 309A AO For Compliance
Clean Water Act
· Case 09-2004-N010 · Nov 23, 2003
CWA 309A AO For Compliance
Clean Water Act
· Case 09-1994-N016 · Jun 28, 1994
CWA 309A AO For Compliance
Clean Water Act
· Case 09-1991-N025 · Jun 25, 1991
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