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Clean Water Act discharge permit · NPDES CAF001154

PLATFORM HILLHOUSE, Pacific Ocean, CA: NPDES CAF001154 discharge permit, effluent exceedances, inspections, penalties

PLATFORM HILLHOUSE, held by DCOR, LLC PLATFORM HILLHOUSE - CAG280000, holds NPDES permit CAF001154, which discharges to Pacific Ocean. EPA’s file records it issued September 15, 2004 and expiring November 30, 2009. 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 filedPLATFORM HILLHOUSE
Permittee as filedDCOR, LLC PLATFORM HILLHOUSE - CAG280000
NPDES IDCAF001154
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
IssuedSeptember 15, 2004
Expiration dateNovember 30, 2009
AddressPacific Ocean, CA 93003
Receiving waterPacific Ocean

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

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Floating solids, waste or visible foam-visual17510
Free Oil Visual Sheen12360
Chlorine addition rate3270
Flow8240
Chlorine, total residual0100
Oil and grease, hexane extr method260
Well fluids, oil & grease260
Drilling fluids, free oil260
Drilling fluids, volume260
Drill cuttings, free oil260
Drilling cuttings, volume260
Well fluids, volume260
Sanitary waste, residual chlorine260
Discharge drill cuttings, base fluids retained130
Number of Events130
Sanitary and Domestic Foam or Floating Solids130
Flow rate, deck drainage130
Diesel Oil Content130
Cadmium [Cd], in barite, dry weight130
Mercury [Hg], in barite, dry weight130
Produced water, flow130
Well fluids, free oil130
Sanitary waste, flow130
LC50 Static 96Hr Acute Mysid. Bahia130
Benzo[b]fluoranthene200
Benzo[k]fluoranthene200
Benzo[a]pyrene200
Chrysene200
Benzo[a]anthracene200
Dibenzo[a,h]anthracene, dry weight200

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES CAF001154.

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 CAF001154.

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, CAF001154.

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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 CAF001154 there.

Nearby on the register

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