Dos Cuadras Offshore Resources, LLC

NPDES permit CA0105996 · Minor NON-POTW · expired, expires 2023-06-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

This permit expired on 2023-06-30 and is expired: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 11 forms filed late

Last period with anything received: 2025-12-31.

Reporting

Reports are due about 32 days after each monitoring period ends (the most common figure among CA permits in EPA's filings — check your permit).

Limits in force (90)

OutfallParameterStatisticLimitMonths
001Solids, total suspendedMO AVG <= 60 mg/L all year
001Solids, total suspendedMO AVG <= 60 mg/L all year
001Flow, in conduit or thru treatment plantDAILY AV report only all year
001Flow, in conduit or thru treatment plantDAILY AV report only all year
001Chlorine, total residualMINIMUM >= 1 mg/L all year
001Chlorine, total residualMINIMUM >= 1 mg/L all year
001Chlorine, total residualMAXIMUM <= 8.8 mg/L all year
001Chlorine, total residualMAXIMUM <= 8.8 mg/L all year
001Solids, suspended percent removalMO AV MN >= 75 % all year
001Solids, suspended percent removalMO AV MN >= 75 % all year
002pHMINIMUM report only all year
002pHMINIMUM report only all year
002pHMAXIMUM report only all year
002pHMAXIMUM report only all year
002Solids, total suspendedDAILY MX report only all year
002Solids, total suspendedDAILY MX report only all year
002Nitrogen, ammonia total [as N]DAILY MX report only all year
002Nitrogen, ammonia total [as N]DAILY MX report only all year
002Cyanide, total [as CN]DAILY MX report only all year
002Cyanide, total [as CN]DAILY MX report only all year
002Arsenic, total recoverableDAILY MX report only all year
002Arsenic, total recoverableDAILY MX report only all year
002Selenium, total recoverableDAILY MX report only all year
002Selenium, total recoverableDAILY MX report only all year
002Chromium, hexavalent [as Cr]DAILY MX report only all year
002Chromium, hexavalent [as Cr]DAILY MX report only all year
002Nickel, total recoverableDAILY MX report only all year
002Nickel, total recoverableDAILY MX report only all year
002Silver total recoverableDAILY MX report only all year
002Silver total recoverableDAILY MX report only all year
002Zinc, total recoverableDAILY MX report only all year
002Zinc, total recoverableDAILY MX report only all year
002Cadmium, total recoverableDAILY MX report only all year
002Cadmium, total recoverableDAILY MX report only all year
002Lead, total recoverableDAILY MX report only all year
002Lead, total recoverableDAILY MX report only all year
002Copper, total recoverableDAILY MX report only all year
002Copper, total recoverableDAILY MX report only all year
002Oil and greaseMO AVG <= 25 mg/L all year
002Oil and greaseMO AVG <= 25 mg/L all year
002Oil and greaseDAILY MX <= 42 mg/L all year
002Oil and greaseDAILY MX <= 42 mg/L all year
002TolueneDAILY MX report only all year
002TolueneDAILY MX report only all year
002BenzeneDAILY MX report only all year
002BenzeneDAILY MX report only all year
002Benzo[b]fluorantheneDAILY MX report only all year
002Benzo[b]fluorantheneDAILY MX report only all year
002Benzo[k]fluorantheneDAILY MX report only all year
002Benzo[k]fluorantheneDAILY MX report only all year
002Benzo[a]pyreneDAILY MX report only all year
002Benzo[a]pyreneDAILY MX report only all year
002ChryseneDAILY MX report only all year
002ChryseneDAILY MX report only all year
002EthylbenzeneDAILY MX report only all year
002EthylbenzeneDAILY MX report only all year
002Benzo[a]anthraceneDAILY MX report only all year
002Benzo[a]anthraceneDAILY MX report only all year
002Dibenz[a,h]anthraceneDAILY MX report only all year
002Dibenz[a,h]anthraceneDAILY MX report only all year
0022,4-DimethylphenolDAILY MX report only all year
0022,4-DimethylphenolDAILY MX report only all year
002PhenolDAILY MX report only all year
002PhenolDAILY MX report only all year
002NaphthaleneDAILY MX report only all year
002NaphthaleneDAILY MX report only all year
002Endosulfan, totalDAILY MX report only all year
002Endosulfan, totalDAILY MX report only all year
002EndrinDAILY MX report only all year
002EndrinDAILY MX report only all year
002Flow, in conduit or thru treatment plantDAILY AV report only all year
002Flow, in conduit or thru treatment plantDAILY AV report only all year
002Chlorine, total residualDAILY MX report only all year
002Chlorine, total residualDAILY MX report only all year
002Sulfide-hydrogen sulfide [undissociated]DAILY MX report only all year
002Sulfide-hydrogen sulfide [undissociated]DAILY MX report only all year
002Mercury, total recoverableDAILY MX report only all year
002Mercury, total recoverableDAILY MX report only all year
002Phenols, chlorinatedDAILY MX report only all year
002Phenols, chlorinatedDAILY MX report only all year
002Hexachlorocyclohexane, totalDAILY MX report only all year
002Hexachlorocyclohexane, totalDAILY MX report only all year
002Phenolic compounds, unchlorinatedDAILY MX report only all year
002Phenolic compounds, unchlorinatedDAILY MX report only all year
002TU Static Renewal 96Hr Acute Americamysis bahia (formerly Mysidopsis bahia)DAILY MX report only all year
002TU Static Renewal 96Hr Acute Americamysis bahia (formerly Mysidopsis bahia)DAILY MX report only all year
002Toxic Units Static Renewal 96Hr Acute Atherinops AffinisDAILY MX report only all year
002Toxic Units Static Renewal 96Hr Acute Atherinops AffinisDAILY MX report only all year
INFSolids, total suspendedDAILY MX report only all year
INFSolids, total suspendedDAILY MX report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states