CORNERSTONE PROCESSING, LLC

NPDES permit WV1030256 · Minor NON-POTW · effective, expires 2031-05-18 · 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
599required values missing, on 22 form(s)
31of 56 forms filed late

Last period with anything received: 2026-03-31.

Reporting

Reports are due about 57 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (193)

OutfallParameterStatisticLimitMonths
001Flow rateMO AVG report only all year
001Flow rateMO MAX report only all year
001Specific conductanceMO MIN report only all year
001Specific conductanceMO AVG report only all year
001Specific conductanceMO MAX report only all year
001pHMO MIN >= 6 SU all year
001pHMO MAX <= 9 SU all year
001Solids, total suspendedMO MIN report only all year
001Solids, total suspendedMO AVG <= 35 mg/L all year
001Solids, total suspendedMO MAX <= 70 mg/L all year
001Solids, settleableMO MAX <= .5 mL/L all year
001Sulfate, total [as SO4]MO MIN report only all year
001Sulfate, total [as SO4]MO AVG report only all year
001Sulfate, total [as SO4]MO MAX report only all year
001Selenium, total recoverableMO MIN report only all year
001Selenium, total recoverableMO AVG <= 4.7 ug/L all year
001Selenium, total recoverableMO MAX <= 8.2 ug/L all year
001Iron, total [as Fe]MO MIN report only all year
001Iron, total [as Fe]MO AVG <= .95 mg/L all year
001Iron, total [as Fe]MO MAX <= 1.64 mg/L all year
001Manganese, total [as Mn]MO MIN report only all year
001Manganese, total [as Mn]MO AVG <= 2 mg/L all year
001Manganese, total [as Mn]MO MAX <= 4 mg/L all year
001Aluminum, total [as Al]MO MIN report only all year
001Aluminum, total [as Al]MO AVG <= 3 mg/L all year
001Aluminum, total [as Al]MO MAX <= 6 mg/L all year
001Aluminum, dissolved [as Al]MO MIN report only all year
001Aluminum, dissolved [as Al]MO AVG report only all year
001Aluminum, dissolved [as Al]MO MAX report only all year
001Solids, total dissolvedMO MIN report only all year
001Solids, total dissolvedMO AVG report only all year
001Solids, total dissolvedMO MAX report only all year
002Flow rateMO AVG report only all year
002Flow rateMO MAX report only all year
002Specific conductanceMO MIN report only all year
002Specific conductanceMO AVG report only all year
002Specific conductanceMO MAX report only all year
002pHMO MIN >= 6 SU all year
002pHMO MAX <= 9 SU all year
002Solids, total suspendedMO MIN report only all year
002Solids, total suspendedMO AVG <= 35 mg/L all year
002Solids, total suspendedMO MAX <= 70 mg/L all year
002Solids, settleableMO MAX <= .5 mL/L all year
002Sulfate, total [as SO4]MO MIN report only all year
002Sulfate, total [as SO4]MO AVG report only all year
002Sulfate, total [as SO4]MO MAX report only all year
002Selenium, total recoverableMO MIN report only all year
002Selenium, total recoverableMO AVG <= 4.7 ug/L all year
002Selenium, total recoverableMO MAX <= 8.2 ug/L all year
002Iron, total [as Fe]MO MIN report only all year
002Iron, total [as Fe]MO AVG <= .95 mg/L all year
002Iron, total [as Fe]MO MAX <= 1.64 mg/L all year
002Manganese, total [as Mn]MO MIN report only all year
002Manganese, total [as Mn]MO AVG <= 2 mg/L all year
002Manganese, total [as Mn]MO MAX <= 4 mg/L all year
002Aluminum, total [as Al]MO MIN report only all year
002Aluminum, total [as Al]MO AVG <= 3 mg/L all year
002Aluminum, total [as Al]MO MAX <= 6 mg/L all year
002Aluminum, dissolved [as Al]MO MIN report only all year
002Aluminum, dissolved [as Al]MO AVG report only all year
002Aluminum, dissolved [as Al]MO MAX report only all year
002Solids, total dissolvedMO MIN report only all year
002Solids, total dissolvedMO AVG report only all year
002Solids, total dissolvedMO MAX report only all year
003Flow rateMO AVG report only all year
003Flow rateMO MAX report only all year
003pHMO MIN >= 6 SU all year
003pHMO MAX <= 9 SU all year
003Solids, total suspendedMO MIN report only all year
003Solids, total suspendedMO AVG <= 35 mg/L all year
003Solids, total suspendedMO MAX <= 70 mg/L all year
004Flow rateMO AVG report only all year
004Flow rateMO MAX report only all year
004Specific conductanceMO MIN report only all year
004Specific conductanceMO AVG report only all year
004Specific conductanceMO MAX report only all year
004pHMO MIN >= 6 SU all year
004pHMO MAX <= 9 SU all year
004Solids, total suspendedMO MIN report only all year
004Solids, total suspendedMO AVG <= 35 mg/L all year
004Solids, total suspendedMO MAX <= 70 mg/L all year
004Solids, settleableMO MAX <= .5 mL/L all year
004Sulfate, total [as SO4]MO MIN report only all year
004Sulfate, total [as SO4]MO AVG report only all year
004Sulfate, total [as SO4]MO MAX report only all year
004Selenium, total recoverableMO MIN report only all year
004Selenium, total recoverableMO AVG <= 4.7 ug/L all year
004Selenium, total recoverableMO MAX <= 8.2 ug/L all year
004Iron, total [as Fe]MO MIN report only all year
004Iron, total [as Fe]MO AVG <= .95 mg/L all year
004Iron, total [as Fe]MO MAX <= 1.64 mg/L all year
004Manganese, total [as Mn]MO MIN report only all year
004Manganese, total [as Mn]MO AVG <= 2 mg/L all year
004Manganese, total [as Mn]MO MAX <= 4 mg/L all year
004Aluminum, total [as Al]MO MIN report only all year
004Aluminum, total [as Al]MO AVG <= 3 mg/L all year
004Aluminum, total [as Al]MO MAX <= 6 mg/L all year
004Aluminum, dissolved [as Al]MO MIN report only all year
004Aluminum, dissolved [as Al]MO AVG report only all year
004Aluminum, dissolved [as Al]MO MAX report only all year
004Solids, total dissolvedMO MIN report only all year
004Solids, total dissolvedMO AVG report only all year
004Solids, total dissolvedMO MAX report only all year
DSCC1Stream flow, instantaneousMO AVG report only all year
DSCC1Stream flow, instantaneousMO MAX report only all year
DSCC1TurbidityMO MIN report only all year
DSCC1TurbidityMO AVG report only all year
DSCC1TurbidityMO MAX report only all year
DSCC1Specific conductanceMO MIN report only all year
DSCC1Specific conductanceMO AVG report only all year
DSCC1Specific conductanceMO MAX report only all year
DSCC1pHMO MIN report only all year
DSCC1pHMO MAX report only all year
DSCC1Sulfate, total [as SO4]MO MIN report only all year
DSCC1Sulfate, total [as SO4]MO AVG report only all year
DSCC1Sulfate, total [as SO4]MO MAX report only all year
DSCC1Selenium, total recoverableMO MIN report only all year
DSCC1Selenium, total recoverableMO AVG report only all year
DSCC1Selenium, total recoverableMO MAX report only all year
DSCC1Iron, total [as Fe]MO MIN report only all year
DSCC1Iron, total [as Fe]MO AVG report only all year
DSCC1Iron, total [as Fe]MO MAX report only all year
DSCC1Manganese, total [as Mn]MO MIN report only all year
DSCC1Manganese, total [as Mn]MO AVG report only all year
DSCC1Manganese, total [as Mn]MO MAX report only all year
DSCC1Aluminum, total [as Al]MO MIN report only all year
DSCC1Aluminum, total [as Al]MO AVG report only all year
DSCC1Aluminum, total [as Al]MO MAX report only all year
DSCC1Aluminum, dissolved [as Al]MO MIN report only all year
DSCC1Aluminum, dissolved [as Al]MO AVG report only all year
DSCC1Aluminum, dissolved [as Al]MO MAX report only all year
DSCC1Solids, total dissolvedMO MIN report only all year
DSCC1Solids, total dissolvedMO AVG report only all year
DSCC1Solids, total dissolvedMO MAX report only all year
DSTB1Stream flow, instantaneousMO AVG report only all year
DSTB1Stream flow, instantaneousMO MAX report only all year
DSTB1Specific conductanceMO MIN report only all year
DSTB1Specific conductanceMO AVG report only all year
DSTB1Specific conductanceMO MAX report only all year
DSTB1pHMO MIN report only all year
DSTB1pHMO MAX report only all year
DSTB1Sulfate, total [as SO4]MO MIN report only all year
DSTB1Sulfate, total [as SO4]MO AVG report only all year
DSTB1Sulfate, total [as SO4]MO MAX report only all year
DSTB1Selenium, total recoverableMO MIN report only all year
DSTB1Selenium, total recoverableMO AVG report only all year
DSTB1Selenium, total recoverableMO MAX report only all year
DSTB1Iron, total [as Fe]MO MIN report only all year
DSTB1Iron, total [as Fe]MO AVG report only all year
DSTB1Iron, total [as Fe]MO MAX report only all year
DSTB1Manganese, total [as Mn]MO MIN report only all year
DSTB1Manganese, total [as Mn]MO AVG report only all year
DSTB1Manganese, total [as Mn]MO MAX report only all year
DSTB1Aluminum, total [as Al]MO MIN report only all year
DSTB1Aluminum, total [as Al]MO AVG report only all year
DSTB1Aluminum, total [as Al]MO MAX report only all year
DSTB1Aluminum, dissolved [as Al]MO MIN report only all year
DSTB1Aluminum, dissolved [as Al]MO AVG report only all year
DSTB1Aluminum, dissolved [as Al]MO MAX report only all year
DSTB1Solids, total dissolvedMO MIN report only all year
DSTB1Solids, total dissolvedMO AVG report only all year
DSTB1Solids, total dissolvedMO MAX report only all year
USCC3Stream flow, instantaneousMO AVG report only all year
USCC3Stream flow, instantaneousMO MAX report only all year
USCC3TurbidityMO MIN report only all year
USCC3TurbidityMO AVG report only all year
USCC3TurbidityMO MAX report only all year
USCC3Specific conductanceMO MIN report only all year
USCC3Specific conductanceMO AVG report only all year
USCC3Specific conductanceMO MAX report only all year
USCC3pHMO MIN report only all year
USCC3pHMO MAX report only all year
USCC3Sulfate, total [as SO4]MO MIN report only all year
USCC3Sulfate, total [as SO4]MO AVG report only all year
USCC3Sulfate, total [as SO4]MO MAX report only all year
USCC3Selenium, total recoverableMO MIN report only all year
USCC3Selenium, total recoverableMO AVG report only all year
USCC3Selenium, total recoverableMO MAX report only all year
USCC3Iron, total [as Fe]MO MIN report only all year
USCC3Iron, total [as Fe]MO AVG report only all year
USCC3Iron, total [as Fe]MO MAX report only all year
USCC3Manganese, total [as Mn]MO MIN report only all year
USCC3Manganese, total [as Mn]MO AVG report only all year
USCC3Manganese, total [as Mn]MO MAX report only all year
USCC3Aluminum, total [as Al]MO MIN report only all year
USCC3Aluminum, total [as Al]MO AVG report only all year
USCC3Aluminum, total [as Al]MO MAX report only all year
USCC3Aluminum, dissolved [as Al]MO MIN report only all year
USCC3Aluminum, dissolved [as Al]MO AVG report only all year
USCC3Aluminum, dissolved [as Al]MO MAX report only all year
USCC3Solids, total dissolvedMO MIN report only all year
USCC3Solids, total dissolvedMO AVG report only all year
USCC3Solids, total dissolvedMO MAX 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