U.S. DOE SPR Big Hill Oil Storage

NPDES permit GM0000009 · Minor NON-POTW · effective, expires 2029-02-28 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

1values over a limit
0required values missing, on 0 form(s)
0of 18 forms filed late

Last period with anything received: 2026-06-30. Most often over: Density (1).

Reporting

Reports are due about 29 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (48)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6 SU all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY AV report only all year
001Solids, total suspendedDAILY AV report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedDAILY MX report only all year
001Oil & GreaseDAILY AV <= 10 mg/L all year
001Oil & GreaseDAILY MX <= 15 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
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001PER-AND POLYFLUOROALKYL SUBSTANCESDAILY MX report only all year
001PER-AND POLYFLUOROALKYL SUBSTANCESDAILY MX report only all year
001PER-AND POLYFLUOROALKYL SUBSTANCESDAILY MX report only all year
001DensityDAILY AV report only all year
001DensityDAILY AV report only all year
001DensityMAXIMUM <= 1160 kg/m3 all year
001DensityMAXIMUM <= 1160 kg/m3 all year
001Velocity of dischargeDAILY AV report only all year
001Velocity of dischargeDAILY AV report only all year
001Velocity of dischargeMINIMUM >= 18 ft/sec all year
001Velocity of dischargeMINIMUM >= 18 ft/sec all year
001Velocity of dischargeMAXIMUM <= 20 ft/sec all year
001Velocity of dischargeMAXIMUM <= 20 ft/sec all year
001PFAS SumDAILY MX report only all year
TX1Whole effluent toxicity - retest #1VALUE report only all year
TX1Whole effluent toxicity - retest #2VALUE report only all year
TX1WET, sublethal retest #1VALUE report only all year
TX1WET, sublethal retest #2VALUE report only all year
TX1Whole Effluent Toxicity - Retest #3VALUE report only all year
TX1Whole Effluent Toxicity, Sub-Lethal Retest #3VALUE report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)VALUE report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidiaVALUE report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)VALUE report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Menidia menidiaVALUE report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)VALUE report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidiaVALUE report only all year
TX1Coef Of Var Static Renewal 7Day Chronic Americamysis bahia (formerly Mysidopsis bahia)VALUE report only all year
TX1Coef Of Var Static Renewal 7Day Chronic Menidia menidiaVALUE report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)VALUE report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidiaVALUE report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)VALUE report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidiaVALUE report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)VALUE report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidiaVALUE 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