Non-Compliance
Clean Water Act
RCRA
MODESTO WWTF
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $51,000 in total penalties since records began.
- Address
-
1221 SUTTER AVENUE
MODESTO, CA 95351
View on map ↗ - County
- STANISLAUS County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 22132
- Inspections
- 6 · last May 14, 2024
- Total Penalties
- $51,000 · last Jul 30, 2025
- Registry ID
- 110055988542
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
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 | Permit Violations - Violation Specified in Comment | May 16, 2024 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Mar 28, 2023 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Mar 8, 2023 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Mar 6, 2023 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Mar 3, 2023 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Feb 27, 2023 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Feb 26, 2023 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Feb 22, 2023 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Feb 21, 2023 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Feb 20, 2023 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Feb 19, 2023 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jan 8, 2023 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Aug 21, 2022 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Mar 18, 2022 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Mar 18, 2022 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Feb 3, 2022 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Feb 3, 2022 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Feb 1, 2022 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jun 1, 2021 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Apr 29, 2021 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Apr 28, 2021 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Apr 27, 2021 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Apr 26, 2021 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Apr 23, 2021 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Apr 20, 2021 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Apr 19, 2021 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Feb 8, 2021 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Feb 7, 2021 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Feb 6, 2021 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Feb 5, 2021 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Feb 4, 2021 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Feb 3, 2021 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Feb 2, 2021 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Feb 1, 2021 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jan 13, 2021 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jun 3, 2020 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Apr 30, 2020 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Mar 21, 2020 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Mar 20, 2020 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Mar 19, 2020 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Aug 11, 2019 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Aug 6, 2019 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Aug 5, 2019 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Aug 4, 2019 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Aug 3, 2019 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Aug 1, 2019 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jul 29, 2019 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jul 28, 2019 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jul 27, 2019 | — | Open |
| cwa | Schedule Event unachieved and not reported | May 1, 1987 | Dec 15, 1987 | 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 |
|---|---|---|---|---|---|---|
| Coliform, total general | DMR, Limited - Numeric Violation | 4.50 MPN/100mL | 2.20 | +105% | Mar 2025 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.13 mg/L | 0.02 | +558% | Feb 2025 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.20 mg/L | 0.02 | +958% | Dec 2024 | Resolved |
| Coliform, total general | DMR, Limited - Numeric Violation | 4.50 MPN/100mL | 2.20 | +105% | Aug 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.40 mg/L | 4.10 | +32% | Jul 2024 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 33.00 MPN/100mL | 23.00 | +43% | Jul 2024 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 4.50 MPN/100mL | 2.20 | +105% | Jun 2024 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 34.00 MPN/100mL | 23.00 | +48% | May 2023 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 49.00 MPN/100mL | 23.00 | +113% | Jan 2023 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 3.70 MPN/100mL | 2.20 | +68% | Jan 2023 | Open |
| % Survival Static Renewal 96Hr Acute Pimephales promelas | DMR, Limited - Numeric Violation | 85.00 % | 90.00 | +6% | Sep 2022 | Open |
| % Survival Flow Through 96Hr Acute Pimephales promelas | DMR, Limited - Numeric Violation | 85.00 % | 90.00 | +6% | Sep 2022 | Open |
| Dibromochloromethane | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.02 | +5% | Jul 2022 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 540.00 MPN/100mL | 240.00 | +125% | Jan 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 170.70 kg/d | 158.90 | +7% | Dec 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.70 mg/L | 2.80 | +32% | Dec 2021 | Open |
| Mercury, total recoverable | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +32% | Dec 2021 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.01 | +282% | Oct 2021 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 1,166.33 kg/d | 862.60 | +35% | Oct 2021 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 22.00 mg/L | 20.00 | +10% | Oct 2021 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 4.04 mg/L | 0.02 | +21,174% | Oct 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.94 mg/L | 0.85 | +11% | Aug 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 50.39 kg/d | 45.40 | +11% | Aug 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 227.45 kg/d | 86.26 | +164% | Aug 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.20 mg/L | 1.50 | +180% | Aug 2021 | Open |
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 0.37 mg/L | 0.33 | +13% | Apr 2021 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.17 mg/L | 0.02 | +795% | Apr 2021 | Resolved |
| Coliform, total general | DMR, Limited - Numeric Violation | 4.50 MPN/100mL | 2.20 | +105% | Apr 2021 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.07 mg/L | 0.02 | +242% | Feb 2021 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 1,441.45 kg/d | 862.60 | +67% | Jan 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 39.00 mg/L | 20.00 | +95% | Jan 2021 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 1,600.00 MPN/100mL | 240.00 | +99,999% | Nov 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.90 mg/L | 0.85 | +6% | Aug 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 139.01 kg/d | 86.26 | +61% | Jul 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.71 mg/L | 1.50 | +81% | Jul 2018 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 2.43 MPN/100mL | 2.20 | +10% | Aug 2017 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 14.52 mg/L | 10.00 | +45% | Aug 2017 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 540.00 MPN/100mL | 240.00 | +125% | Jul 2017 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 26.00 MPN/100mL | 2.20 | +1,082% | Jul 2017 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 8.27 MPN/100mL | 2.20 | +276% | Jun 2017 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 19.95 MPN/100mL | 2.20 | +807% | May 2017 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 28.68 MPN/100mL | 2.20 | +1,204% | Apr 2017 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 9.19 MPN/100mL | 2.20 | +318% | Mar 2017 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 1,820.00 MPN/100mL | 23.00 | +7,813% | Mar 2017 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 4.90 MPN/100mL | 2.20 | +123% | Feb 2017 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 462.45 MPN/100mL | 23.00 | +1,911% | Mar 2016 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 83.00 % | 85.00 | +13% | Mar 2016 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 73.00 % | 85.00 | +80% | Mar 2016 | Open |
| Specific conductance | DMR, Limited - Numeric Violation | 1,350.00 umho/cm | 1,341.00 | +1% | Feb 2016 | Open |
| Specific conductance | DMR, Limited - Numeric Violation | 1,350.00 umho/cm | 1,341.00 | +1% | Feb 2015 | 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.
State CWA Penalty AO
Clean Water Act
· Case CA-N00003746
State CWA Penalty AO
Clean Water Act
· Case CA-N00001673
State CWA Penalty AO
Clean Water Act
· Case CA-CFEA461246 · Jul 30, 2025
$18,000
State CWA Penalty AO
Clean Water Act
· Case CA-CFEA452813 · Aug 14, 2023
$6,000
State CWA Penalty AO
Clean Water Act
· Case CA-CFEA445590 · Jan 27, 2022
$27,000
State CWA Penalty AO
Clean Water Act
· Case CA-CFEA441442 · Feb 25, 2021
$12,000
State CWA Penalty AO
Clean Water Act
· Case CA-CFEA438221 · Aug 4, 2020
$18,000
State CWA Penalty AO
Clean Water Act
· Case CA-CFEA416218 · Oct 31, 2017
$165,000
State CWA Non Penalty AO
Clean Water Act
· Case CA-2012-1049 · Jun 7, 2012
CWA 309A AO For Compliance
Clean Water Act
· Case 09-1986-N011 · May 30, 1986
State CWA Non Penalty AO
Clean Water Act
· Case CA-N00001674 · Aug 12, 1983
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