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Clean Water Act discharge permit · NPDES CAZ514576

ENDEVCO, Sunnyvale, CA: NPDES CAZ514576 discharge permit, effluent exceedances, inspections, penalties

ENDEVCO, held by Endevco, holds NPDES permit CAZ514576. EPA’s file records it issued May 29, 2020 and expiring June 30, 2020. 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 filedENDEVCO
Permittee as filedEndevco
NPDES IDCAZ514576
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedMay 29, 2020
Expiration dateJune 30, 2020
Issuing agencyCA Waterboards
AddressSunnyvale, CA 94085
SubwatershedCalabazas Creek-Frontal San Francisco Bay Estuaries (HUC 180500030405)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES CAZ514576.

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

DateWhat EPA recordedAgency
July 15, 2021WW Storm Water Non-Construction - Failure to submit required report (non-DMR)ST6

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.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, CAZ514576.

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  • One state — $4,990/year
  • The whole register — $18,000/year

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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 CAZ514576 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.