Clean Water Act discharge permit · NPDES CA0085359
LATHROP CONSOLIDATED TREATMENT FACILITY, Lathrop, CA: NPDES CA0085359 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 205Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
LATHROP CONSOLIDATED TREATMENT FACILITY, held by City of Lathrop, holds NPDES permit CA0085359, which discharges to San Joaquin River. EPA’s file records it issued February 17, 2022 and expiring March 31, 2027. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | LATHROP CONSOLIDATED TREATMENT FACILITY |
|---|---|
| Permittee as filed | City of Lathrop |
| NPDES ID | CA0085359 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | February 17, 2022 |
| Expiration date | March 31, 2027 |
| Address | Lathrop, CA 95330 |
| Receiving water | San Joaquin River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Oakwood Lake-San Joaquin River (HUC 180400030204) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 205Pollutants on file
- 205Under a numeric limit
- 155With a violation of any kind
- 2With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant; the 60 with the most exceedances of 205 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| pH | 4 | 5 | 5 | December 31, 2024 | |
| Chlorine, total residual | 2 | 4 | 4 | March 31, 2025 | 6,826% over the limit |
| % Survival Flow Through 96Hr Acute Oncorhynchus mykiss | 2 | 4 | 0 | ||
| Turbidity, time above limit | 1 | 3 | 0 | ||
| Lead, total recoverable | 2 | 2 | 0 | ||
| Bifenthrin | 2 | 2 | 0 | ||
| Diazinon | 3 | 1 | 0 | ||
| Cyanide, total [as CN] | 1 | 1 | 0 | ||
| Sulfide, total [as S] | 1 | 1 | 0 | ||
| Asbestos | 1 | 1 | 0 | ||
| Iron, total recoverable | 1 | 1 | 0 | ||
| Selenium, total recoverable | 1 | 1 | 0 | ||
| Thallium, total recoverable | 1 | 1 | 0 | ||
| Beryllium, total recoverable [as Be] | 1 | 1 | 0 | ||
| Silver total recoverable | 1 | 1 | 0 | ||
| Cadmium, total recoverable | 1 | 1 | 0 | ||
| 2-Methyl-4,6-dinitrophenol | 1 | 1 | 0 | ||
| Cypermethrin | 1 | 1 | 0 | ||
| Tributyltin | 1 | 1 | 0 | ||
| Diquat | 1 | 1 | 0 | ||
| Methyl tert-butyl ether [MTBE] | 1 | 1 | 0 | ||
| Carbon tetrachloride | 1 | 1 | 0 | ||
| 1,2-Dichloroethane | 1 | 1 | 0 | ||
| Toluene | 1 | 1 | 0 | ||
| Benzene | 1 | 1 | 0 | ||
| .delta.-BHC | 1 | 1 | 0 | ||
| Acenaphthylene | 1 | 1 | 0 | ||
| Acenaphthene | 1 | 1 | 0 | ||
| Acrolein | 1 | 1 | 0 | ||
| Acrylonitrile | 1 | 1 | 0 | ||
| Anthracene | 1 | 1 | 0 | ||
| Benzo[b]fluoranthene | 1 | 1 | 0 | ||
| Benzo[k]fluoranthene | 1 | 1 | 0 | ||
| Benzo[a]pyrene | 1 | 1 | 0 | ||
| Bis[2-chloroethyl] ether | 1 | 1 | 0 | ||
| Bis[2-chloroethoxy]methane | 1 | 1 | 0 | ||
| Bis[2-chloroisopropyl] ether | 1 | 1 | 0 | ||
| Butyl benzyl phthalate | 1 | 1 | 0 | ||
| Chlorobenzene | 1 | 1 | 0 | ||
| Chrysene | 1 | 1 | 0 | ||
| Diethyl phthalate | 1 | 1 | 0 | ||
| Dimethyl phthalate | 1 | 1 | 0 | ||
| 1,2-Diphenylhydrazine | 1 | 1 | 0 | ||
| Endosulfan sulfate | 1 | 1 | 0 | ||
| .beta.-Endosulfan | 1 | 1 | 0 | ||
| .alpha.-Endosulfan | 1 | 1 | 0 | ||
| Endrin aldehyde | 1 | 1 | 0 | ||
| Ethylbenzene | 1 | 1 | 0 | ||
| Fluoranthene | 1 | 1 | 0 | ||
| Fluorene | 1 | 1 | 0 | ||
| Hexachlorocyclopentadiene | 1 | 1 | 0 | ||
| Hexachlorobutadiene | 1 | 1 | 0 | ||
| Hexachloroethane | 1 | 1 | 0 | ||
| Indeno[1,2,3-cd]pyrene | 1 | 1 | 0 | ||
| Isophorone | 1 | 1 | 0 | ||
| Methyl bromide [Bromomethane] | 1 | 1 | 0 | ||
| Methyl chloride [Chloromethane] | 1 | 1 | 0 | ||
| Methylene chloride | 1 | 1 | 0 | ||
| N-Nitrosodi-N-propylamine | 1 | 1 | 0 | ||
| N-Nitrosodiphenylamine | 1 | 1 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES CA0085359.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID CA0085359 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.