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NPDES CAL038547 · Clean Water Act

DELTA DIABLO WWTP, Antioch, CA: NPDES CAL038547 discharge permit, effluent exceedances, inspections, penalties

DELTA DIABLO WWTP, Antioch, California: Associated permit record CAL038547, held by Delta Diablo WWTP; Biosolids; Administratively continued; issued January 1, 2021, term to December 31, 2025.

California holds 335 Biosolids coverages of this permit type in EPA’s file; 0 were issued before CAL038547.

Coverages issued nearest CAL038547

DELTA DIABLO WWTP among its neighbors

3 discharge permits are in the Kirker Creek-Frontal Suisun Bay Estuaries subwatershed (HUC 180500010301); CAL038547 is one. Its county: 29, 2 major; CAL038547 is minor permit.

Other permits in the Kirker Creek-Frontal Suisun Bay Estuaries subwatershed (HUC 180500010301)

Identity

FacilityDELTA DIABLO WWTP
PermitteeDelta Diablo WWTP
NPDES IDCAL038547
StatusAdministratively continued
TypeAssociated permit record
ClassMinor
Facility typeNon-POTW
ProgramBiosolids
IssuedJanuary 1, 2021
ExpiresDecember 31, 2025
AddressAntioch, CA 94509
SubwatershedKirker Creek-Frontal Suisun Bay Estuaries (HUC 180500010301)

NPDES CAL038547: effluent limits and exceedances

DELTA DIABLO WWTP (NPDES CAL038547): 0 pollutants on file, 0 limited; 0 with a violation of any kind, 0 with an exceedance.

NPDES CAL038547: no pollutant row on file.

NPDES CAL038547: inspections, violations and enforcement

NPDES CAL038547 (DELTA DIABLO WWTP): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.

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Permits near NPDES CAL038547

NPDES CAL038547: 0 pollutant rows, 0 dated events; ICIS-NPDES download, loaded October 14, 2026.