Hercules LLC

NPDES permit MO0000311 · Minor NON-POTW · effective, expires 2030-05-31 · 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.

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

0values over a limit
0required values missing, on 0 form(s)
0of 8 forms filed late

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

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among MO permits in EPA's filings — check your permit).

Limits in force (80)

OutfallParameterStatisticLimitMonths
IP1TurbidityVALUE report only all year
IP1pHVALUE report only all year
IP1Sulfate, total [as SO4]VALUE <= 6232800 mg/L all year
IP1Arsenic, total recoverableVALUE <= 199 mg/L all year
IP1Boron, total recoverableVALUE <= 49862 mg/L all year
IP1Lead, total recoverableVALUE <= 138 mg/L all year
IP1Molybdenum, total recoverableVALUE <= 1247 mg/L all year
IP1Manganese, total recoverableVALUE <= 1247 mg/L all year
IP1Mercury, total [as Hg]VALUE <= 9 mg/L all year
IP1Depth to water level ft below landsurfaceVALUE report only all year
IP4TurbidityVALUE report only all year
IP4pHVALUE report only all year
IP4Sulfate, total [as SO4]VALUE <= 6232800 mg/L all year
IP4Arsenic, total recoverableVALUE <= 199 mg/L all year
IP4Boron, total recoverableVALUE <= 49862 mg/L all year
IP4Lead, total recoverableVALUE <= 138 mg/L all year
IP4Molybdenum, total recoverableVALUE <= 1247 mg/L all year
IP4Manganese, total recoverableVALUE <= 1247 mg/L all year
IP4Mercury, total [as Hg]VALUE <= 9 mg/L all year
IP4Depth to water level ft below landsurfaceVALUE report only all year
IP7TurbidityVALUE report only all year
IP7pHVALUE report only all year
IP7Sulfate, total [as SO4]VALUE <= 6232800 mg/L all year
IP7Arsenic, total recoverableVALUE <= 199 mg/L all year
IP7Boron, total recoverableVALUE <= 49862 mg/L all year
IP7Lead, total recoverableVALUE <= 138 mg/L all year
IP7Molybdenum, total recoverableVALUE <= 1247 mg/L all year
IP7Manganese, total recoverableVALUE <= 1247 mg/L all year
IP7Mercury, total [as Hg]VALUE <= 9 mg/L all year
IP7Depth to water level ft below landsurfaceVALUE report only all year
MW1TurbidityVALUE report only all year
MW1pHVALUE report only all year
MW1Sulfate, total [as SO4]VALUE <= 6232800 mg/L all year
MW1Arsenic, total recoverableVALUE <= 199 mg/L all year
MW1Boron, total recoverableVALUE <= 49862 mg/L all year
MW1Lead, total recoverableVALUE <= 138 mg/L all year
MW1Molybdenum, total recoverableVALUE <= 1247 mg/L all year
MW1Manganese, total recoverableVALUE <= 1247 mg/L all year
MW1Mercury, total [as Hg]VALUE <= 9 mg/L all year
MW1Depth to water level ft below landsurfaceVALUE report only all year
MW2TurbidityVALUE report only all year
MW2pHVALUE report only all year
MW2Sulfate, total [as SO4]VALUE <= 6232800 mg/L all year
MW2Arsenic, total recoverableVALUE <= 199 mg/L all year
MW2Boron, total recoverableVALUE <= 49862 mg/L all year
MW2Lead, total recoverableVALUE <= 138 mg/L all year
MW2Molybdenum, total recoverableVALUE <= 1247 mg/L all year
MW2Manganese, total recoverableVALUE <= 1247 mg/L all year
MW2Mercury, total [as Hg]VALUE <= 9 mg/L all year
MW2Depth to water level ft below landsurfaceVALUE report only all year
MW3TurbidityVALUE report only all year
MW3pHVALUE report only all year
MW3Sulfate, total [as SO4]VALUE <= 6232800 mg/L all year
MW3Arsenic, total recoverableVALUE <= 199 mg/L all year
MW3Boron, total recoverableVALUE <= 49862 mg/L all year
MW3Lead, total recoverableVALUE <= 138 mg/L all year
MW3Molybdenum, total recoverableVALUE <= 1247 mg/L all year
MW3Manganese, total recoverableVALUE <= 1247 mg/L all year
MW3Mercury, total [as Hg]VALUE <= 9 mg/L all year
MW3Depth to water level ft below landsurfaceVALUE report only all year
MW4TurbidityVALUE report only all year
MW4pHVALUE report only all year
MW4Sulfate, total [as SO4]VALUE <= 6232800 mg/L all year
MW4Arsenic, total recoverableVALUE <= 199 mg/L all year
MW4Boron, total recoverableVALUE <= 49862 mg/L all year
MW4Lead, total recoverableVALUE <= 138 mg/L all year
MW4Molybdenum, total recoverableVALUE <= 1247 mg/L all year
MW4Manganese, total recoverableVALUE <= 1247 mg/L all year
MW4Mercury, total [as Hg]VALUE <= 9 mg/L all year
MW4Depth to water level ft below landsurfaceVALUE report only all year
MW7TurbidityVALUE report only all year
MW7pHVALUE report only all year
MW7Sulfate, total [as SO4]VALUE <= 6232800 mg/L all year
MW7Arsenic, total recoverableVALUE <= 199 mg/L all year
MW7Boron, total recoverableVALUE <= 49862 mg/L all year
MW7Lead, total recoverableVALUE <= 138 mg/L all year
MW7Molybdenum, total recoverableVALUE <= 1247 mg/L all year
MW7Manganese, total recoverableVALUE <= 1247 mg/L all year
MW7Mercury, total [as Hg]VALUE <= 9 mg/L all year
MW7Depth to water level ft below landsurfaceVALUE 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