HAMPDEN COAL, LLC

NPDES permit WV0091197 · Minor NON-POTW · effective, expires 2030-05-27 · 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

0values over a limit
9required values missing, on 9 form(s)
0of 54 forms filed late

Last period with anything received: 2026-05-31.

Reporting

Reports are due about 25 days after each monitoring period ends (the most common figure among WV permits in EPA's filings — check your permit).

Limits in force (127)

OutfallParameterStatisticLimitMonths
009Flow rateMO AVG report only all year
009Flow rateMO MAX report only all year
009Specific conductanceMO AVG report only all year
009Specific conductanceMO MAX report only all year
009pHMO MIN >= 6 SU all year
009pHMO MAX <= 9 SU all year
009Solids, total suspendedMO AVG <= 35 mg/L all year
009Solids, total suspendedMO MAX <= 70 mg/L all year
009Solids, settleableMO MAX <= .5 mL/L all year
009Sulfate, total [as SO4]MO AVG report only all year
009Sulfate, total [as SO4]MO MAX report only all year
009Selenium, total recoverableMO AVG <= 4.7 ug/L all year
009Selenium, total recoverableMO MAX <= 8.2 ug/L all year
009Iron, total [as Fe]MO AVG <= 1.42 mg/L all year
009Iron, total [as Fe]MO MAX <= 2.46 mg/L all year
009Manganese, total [as Mn]MO AVG <= 1 mg/L all year
009Manganese, total [as Mn]MO MAX <= 1.73 mg/L all year
009Aluminum, total [as Al]MO AVG <= .43 mg/L all year
009Aluminum, total [as Al]MO MAX <= .75 mg/L all year
009Solids, total dissolvedMO AVG report only all year
009Solids, total dissolvedMO MAX report only all year
010Flow rateMO AVG report only all year
010Flow rateMO MAX report only all year
010Specific conductanceMO AVG report only all year
010Specific conductanceMO MAX report only all year
010pHMO MIN >= 6 SU all year
010pHMO MAX <= 9 SU all year
010Solids, total suspendedMO AVG <= 35 mg/L all year
010Solids, total suspendedMO MAX <= 70 mg/L all year
010Solids, settleableMO MAX <= .5 mL/L all year
010Sulfate, total [as SO4]MO AVG report only all year
010Sulfate, total [as SO4]MO MAX report only all year
010Iron, total [as Fe]MO AVG <= 1.42 mg/L all year
010Iron, total [as Fe]MO MAX <= 2.46 mg/L all year
010Manganese, total [as Mn]MO AVG <= 1 mg/L all year
010Manganese, total [as Mn]MO MAX <= 1.73 mg/L all year
010Aluminum, total [as Al]MO AVG <= .43 mg/L all year
010Aluminum, total [as Al]MO MAX <= .75 mg/L all year
010Solids, total dissolvedMO AVG report only all year
010Solids, total dissolvedMO MAX report only all year
DMCStream flow, instantaneousMO AVG report only all year
DMCStream flow, instantaneousMO MAX report only all year
DMCSpecific conductanceMO AVG report only all year
DMCSpecific conductanceMO MAX report only all year
DMCpHMO MIN report only all year
DMCpHMO MAX report only all year
DMCSulfate, total [as SO4]MO AVG report only all year
DMCSulfate, total [as SO4]MO MAX report only all year
DMCIron, total [as Fe]MO AVG report only all year
DMCIron, total [as Fe]MO MAX report only all year
DMCManganese, total [as Mn]MO AVG report only all year
DMCManganese, total [as Mn]MO MAX report only all year
DMCAluminum, total [as Al]MO AVG report only all year
DMCAluminum, total [as Al]MO MAX report only all year
DMCAluminum, dissolved [as Al]MO MIN report only all year
DMCAluminum, dissolved [as Al]MO AVG report only all year
DMCAluminum, dissolved [as Al]MO MAX report only all year
DMCSolids, total dissolvedMO AVG report only all year
DMCSolids, total dissolvedMO MAX report only all year
DPCStream flow, instantaneousMO AVG report only all year
DPCStream flow, instantaneousMO MAX report only all year
DPCSpecific conductanceMO AVG report only all year
DPCSpecific conductanceMO MAX report only all year
DPCpHMO MIN report only all year
DPCpHMO MAX report only all year
DPCSulfate, total [as SO4]MO AVG report only all year
DPCSulfate, total [as SO4]MO MAX report only all year
DPCSelenium, total recoverableMO MIN report only all year
DPCSelenium, total recoverableMO AVG report only all year
DPCSelenium, total recoverableMO MAX report only all year
DPCIron, total [as Fe]MO AVG report only all year
DPCIron, total [as Fe]MO MAX report only all year
DPCManganese, total [as Mn]MO MIN report only all year
DPCManganese, total [as Mn]MO AVG report only all year
DPCManganese, total [as Mn]MO MAX report only all year
DPCAluminum, total [as Al]MO MIN report only all year
DPCAluminum, total [as Al]MO AVG report only all year
DPCAluminum, total [as Al]MO MAX report only all year
DPCAluminum, dissolved [as Al]MO MIN report only all year
DPCAluminum, dissolved [as Al]MO AVG report only all year
DPCAluminum, dissolved [as Al]MO MAX report only all year
DPCSolids, total dissolvedMO AVG report only all year
DPCSolids, total dissolvedMO MAX report only all year
UMCStream flow, instantaneousMO AVG report only all year
UMCStream flow, instantaneousMO MAX report only all year
UMCSpecific conductanceMO AVG report only all year
UMCSpecific conductanceMO MAX report only all year
UMCpHMO MIN >= 6 SU all year
UMCpHMO MAX <= 9 SU all year
UMCSulfate, total [as SO4]MO AVG report only all year
UMCSulfate, total [as SO4]MO MAX report only all year
UMCIron, total [as Fe]MO AVG report only all year
UMCIron, total [as Fe]MO MAX report only all year
UMCManganese, total [as Mn]MO AVG report only all year
UMCManganese, total [as Mn]MO MAX report only all year
UMCAluminum, total [as Al]MO AVG report only all year
UMCAluminum, total [as Al]MO MAX report only all year
UMCAluminum, dissolved [as Al]MO MIN report only all year
UMCAluminum, dissolved [as Al]MO AVG report only all year
UMCAluminum, dissolved [as Al]MO MAX report only all year
UMCSolids, total dissolvedMO AVG report only all year
UMCSolids, total dissolvedMO MAX report only all year
UPCStream flow, instantaneousMO AVG report only all year
UPCStream flow, instantaneousMO MAX report only all year
UPCSpecific conductanceMO AVG report only all year
UPCSpecific conductanceMO MAX report only all year
UPCpHMO MIN report only all year
UPCpHMO MAX report only all year
UPCSulfate, total [as SO4]MO AVG report only all year
UPCSulfate, total [as SO4]MO MAX report only all year
UPCSelenium, total recoverableMO MIN report only all year
UPCSelenium, total recoverableMO AVG report only all year
UPCSelenium, total recoverableMO MAX report only all year
UPCIron, total [as Fe]MO MIN report only all year
UPCIron, total [as Fe]MO AVG report only all year
UPCIron, total [as Fe]MO MAX report only all year
UPCManganese, total [as Mn]MO MIN report only all year
UPCManganese, total [as Mn]MO AVG report only all year
UPCManganese, total [as Mn]MO MAX report only all year
UPCAluminum, total [as Al]MO MIN report only all year
UPCAluminum, total [as Al]MO AVG report only all year
UPCAluminum, total [as Al]MO MAX report only all year
UPCAluminum, dissolved [as Al]MO MIN report only all year
UPCAluminum, dissolved [as Al]MO AVG report only all year
UPCAluminum, dissolved [as Al]MO MAX report only all year
UPCSolids, total dissolvedMO AVG report only all year
UPCSolids, 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