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Sewage treatment plant, major discharger, Brentwood, California. NPDES permit CA0082660, in force until May 31, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | instantaneous maximum | report only (deg F) | all year | EFF1 |
| Specific conductance | monthly average | report only (umho/cm) | all year | EFF1 |
| Specific conductance | daily maximum | report only (umho/cm) | all year | EFF1 |
| Oxygen, dissolved [DO] | instantaneous minimum | report only (mg/L) | all year | EFF1 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 7 mg/L | all year | EFF1 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 12 mg/L | all year | EFF1 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | EFF1 |
| pH | instantaneous maximum | ≤ 8.5 SU | all year | EFF1 |
| Solids, total suspended | monthly average | ≤ 10 mg/L | all year | EFF1 |
| Solids, total suspended | weekly average | ≤ 15 mg/L | all year | EFF1 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .58 mg/L | all year | EFF1 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 1.3 mg/L | all year | EFF1 |
| Nitrogen, nitrite total [as N] | daily maximum | report only (mg/L) | all year | EFF1 |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | all year | EFF1 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | EFF1 |
| Chloride [as Cl] | monthly average | ≤ 375 mg/L | all year | EFF1 |
| Chloride [as Cl] | daily maximum | ≤ 494 mg/L | all year | EFF1 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | EFF1 |
| Dichlorobromomethane | monthly average | ≤ 46 ug/L | all year | EFF1 |
| Dichlorobromomethane | daily maximum | ≤ 72 ug/L | all year | EFF1 |
| Dibromochloromethane | monthly average | ≤ 34 ug/L | all year | EFF1 |
| Dibromochloromethane | daily maximum | ≤ 58 ug/L | all year | EFF1 |
| Chlorpyrifos | daily maximum | report only (ug/L) | all year | EFF1 |
| Diazinon | daily maximum | report only (ug/L) | all year | EFF1 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | EFF1 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | EFF1 |
| Chlorine, total residual | 4-day average | ≤ .011 mg/L | all year | EFF1 |
| Chlorine, total residual | 1-hour average | ≤ .019 mg/L | all year | EFF1 |
| Sodium Bisulfite | daily maximum | report only (mg/L) | all year | EFF1 |
| Temperature Increase Deg. F | instantaneous maximum | ≤ 24 deg F | Jan, Dec | EFF1 |
| Temperature Increase Deg. F | instantaneous maximum | ≤ 20 deg F | Feb–Nov | EFF1 |
| Diazinon + Chlorpyrifos | monthly average | ≤ 1 ug/L | all year | EFF1 |
| Diazinon + Chlorpyrifos | weekly average | ≤ 1 ug/L | all year | EFF1 |
| Mercury, total recoverable | annual total | ≤ 34 g/yr | all year | EFF1 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | all year | EFF1 |
| Coliform, total general | instantaneous maximum | ≤ 240 MPN/100mL | all year | EFF1 |
| Coliform, total general | 7-day median | ≤ 2.2 MPN/100mL | all year | EFF1 |
| Coliform, total general | 30-day maximum | ≤ 23 MPN/100mL | all year | EFF1 |
| Methylmercury | annual total | report only (g/yr) | all year | EFF1 |
| Methylmercury | daily maximum | report only (ng/L) | all year | EFF1 |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 85 % | all year | EFF1 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | EFF1 |
| %Effect Statre 4Day Chronic Selen. Capr. | daily maximum | ≤ 50 % effect | all year | EFF1 |
| Pass/Fail Static 96Hr Chronic Selen. Capricornutum | daily maximum | ≤ 0 pass=0;fail=1 | all year | EFF1 |
| Pass/Fail Static 96Hr Chronic Selen. Capricornutum | monthly median | ≤ 0 pass=0;fail=1 | all year | EFF1 |
| Specific conductance | monthly average | report only (umho/cm) | all year | INF1 |
| Specific conductance | daily maximum | report only (umho/cm) | all year | INF1 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | INF1 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | INF1 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | INF1 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | INF1 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | INF1 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | INF1 |
Cited limits by parameter: California's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/CA0082660 · MCP: https://passage-data.com/mcp