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Clean Water Act discharge permit · NPDES CAZ463650

GRANITE CONSTRUCTION GARDNER PLANT, Buellton, CA: NPDES CAZ463650 discharge permit, effluent exceedances, inspections, penalties

GRANITE CONSTRUCTION GARDNER PLANT, held by Granite Construction Gardner Plant, holds NPDES permit CAZ463650. EPA’s file records it issued September 29, 2015 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.

What the register holds for GRANITE CONSTRUCTION GARDNER PLANT: its NPDES ID, its permit type and status, its dates, its address in Buellton, California. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES CAZ463650.

Identity

Facility as filedGRANITE CONSTRUCTION GARDNER PLANT
Permittee as filedGranite Construction Gardner Plant
NPDES IDCAZ463650
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
IssuedSeptember 29, 2015
Expiration dateJune 30, 2020
Issuing agencyCA Waterboards
AddressBuellton, CA 93427
SubwatershedAlisal Creek-Santa Ynez River (HUC 180600100508)

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 CAZ463650.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES CAZ463650.

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

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How we handle your data → Privacy

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 CAZ463650 there.

Nearby on the register

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

What this page shows

The GRANITE CONSTRUCTION GARDNER PLANT permit, NPDES ID CAZ463650, is one of 4 storm water industrial permits on the register in Buellton, this one included. It is also one of 4 NPDES permits in the Alisal Creek-Santa Ynez River subwatershed, and it lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.