Velarion Records

Clean Water Act discharge permit · NPDES CA0048682

DAVENPORT CEMENT PLANT, Davenport, CA: NPDES CA0048682 discharge permit, effluent exceedances, inspections, penalties

DAVENPORT CEMENT PLANT, held by RMC PACIFIC MATERIALS INC, holds NPDES permit CA0048682, which discharges to Pacific Ocean. EPA’s file records it issued May 13, 2005 and expiring May 13, 2010. 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 DAVENPORT CEMENT PLANT: its NPDES ID, its permit type and status, its dates, its address in Davenport, California, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES CA0048682.

Identity

Facility as filedDAVENPORT CEMENT PLANT
Permittee as filedRMC PACIFIC MATERIALS INC
NPDES IDCA0048682
Permit statusEffective
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMay 13, 2005
Expiration dateMay 13, 2010
AddressDavenport, CA 95017
Receiving waterPACIFIC OCEAN
SubwatershedSan Vicente Creek-Frontal Pacific Ocean (HUC 180500060304)
Other EPA IDs (FRS)RCRA handler CAC002717889; ICIS-AIR source CAMBU0000608700001

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES CA0048682.

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 CA0048682.

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, CA0048682.

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  • One state — $4,990/year
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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 CA0048682 there.

Nearby on the register

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

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