Clean Water Act discharge permit · NPDES CA0106828
DCOR PLATFORM ESTHER, Seal Beach, CA: NPDES CA0106828 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 31Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
DCOR PLATFORM ESTHER, held by Dos Cuadras Offshore Resources, LLC, holds NPDES permit CA0106828, which discharges to Offshore Zone Of The Pacific Ocean. EPA’s file records it issued October 26, 2012 and expiring November 1, 2017. 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 filed | DCOR PLATFORM ESTHER |
|---|---|
| Permittee as filed | Dos Cuadras Offshore Resources, LLC |
| NPDES ID | CA0106828 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | October 26, 2012 |
| Expiration date | November 1, 2017 |
| Address | Seal Beach, CA 90740 |
| Receiving water | Offshore Zone of the Pacific Ocean |
| Other EPA IDs (FRS) | RCRA handler CAR000012294 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 31Pollutants on file
- 31Under a numeric limit
- 31With a violation of any kind
- 1With an effluent exceedance
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 measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Chlorine, total residual | 2 | 45 | 1 | October 31, 2025 | 70% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 88 | 0 | ||
| pH | 2 | 44 | 0 | ||
| Solids, total suspended | 2 | 44 | 0 | ||
| Oil and grease | 2 | 44 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 22 | 0 | ||
| Cyanide, total [as CN] | 1 | 22 | 0 | ||
| Arsenic, total recoverable | 1 | 22 | 0 | ||
| Selenium, total recoverable | 1 | 22 | 0 | ||
| Chromium, hexavalent [as Cr] | 1 | 22 | 0 | ||
| Nickel, total recoverable | 1 | 22 | 0 | ||
| Silver total recoverable | 1 | 22 | 0 | ||
| Zinc, total recoverable | 1 | 22 | 0 | ||
| Cadmium, total recoverable | 1 | 22 | 0 | ||
| Lead, total recoverable | 1 | 22 | 0 | ||
| Copper, total recoverable | 1 | 22 | 0 | ||
| Toluene | 1 | 22 | 0 | ||
| Benzene | 1 | 22 | 0 | ||
| Benzo[b]fluoranthene | 1 | 22 | 0 | ||
| Benzo[k]fluoranthene | 1 | 22 | 0 | ||
| Benzo[a]pyrene | 1 | 22 | 0 | ||
| Chrysene | 1 | 22 | 0 | ||
| Ethylbenzene | 1 | 22 | 0 | ||
| Benzo[a]anthracene | 1 | 22 | 0 | ||
| Dibenz[a,h]anthracene | 1 | 22 | 0 | ||
| 2,4-Dimethylphenol | 1 | 22 | 0 | ||
| Phenol | 1 | 22 | 0 | ||
| Naphthalene | 1 | 22 | 0 | ||
| Sulfide-hydrogen sulfide [undissociated] | 1 | 22 | 0 | ||
| Mercury, total recoverable | 1 | 22 | 0 | ||
| Solids, suspended percent removal | 1 | 22 | 0 |
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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES CA0106828.
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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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 CA0106828 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.