HAMPDEN COAL, LLC

NPDES permit WV1010557 · Minor NON-POTW · effective, expires 2027-09-05 · 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

2values over a limit
27required values missing, on 9 form(s)
0of 45 forms filed late

Last period with anything received: 2026-05-31. Most often over: Aluminum, total [as Al] (2).

Reporting

Reports are due about 56 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (126)

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 MIN report only all year
001Solids, settleableMO AVG report only 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
001Iron, total [as Fe]MO MIN report only all year
001Iron, total [as Fe]MO AVG <= 3 mg/L all year
001Iron, total [as Fe]MO MAX <= 5.26 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 <= 3.47 mg/L all year
001Aluminum, total [as Al]MO MIN report only all year
001Aluminum, total [as Al]MO AVG <= .43 mg/L all year
001Aluminum, total [as Al]MO MAX <= .75 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
DAPHStream flow, instantaneousMO AVG report only all year
DAPHStream flow, instantaneousMO MAX report only all year
DAPHSpecific conductanceMO AVG report only all year
DAPHSpecific conductanceMO MAX report only all year
DAPHpHMO MIN report only all year
DAPHpHMO MAX report only all year
DAPHSulfate, total [as SO4]MO AVG report only all year
DAPHSulfate, total [as SO4]MO MAX report only all year
DAPHIron, total [as Fe]MO AVG report only all year
DAPHIron, total [as Fe]MO MAX report only all year
DAPHManganese, total [as Mn]MO MIN report only all year
DAPHManganese, total [as Mn]MO AVG report only all year
DAPHManganese, total [as Mn]MO MAX report only all year
DAPHAluminum, total [as Al]MO MIN report only all year
DAPHAluminum, total [as Al]MO AVG report only all year
DAPHAluminum, total [as Al]MO MAX report only all year
DAPHAluminum, dissolved [as Al]MO MIN report only all year
DAPHAluminum, dissolved [as Al]MO AVG report only all year
DAPHAluminum, dissolved [as Al]MO MAX report only all year
DAPHSolids, total dissolvedMO AVG report only all year
DAPHSolids, total dissolvedMO MAX report only all year
DDCStream flow, instantaneousMO AVG report only all year
DDCStream flow, instantaneousMO MAX report only all year
DDCSpecific conductanceMO MIN report only all year
DDCSpecific conductanceMO AVG report only all year
DDCSpecific conductanceMO MAX report only all year
DDCpHMO MIN report only all year
DDCpHMO AVG report only all year
DDCpHMO MAX report only all year
DDCSulfate, total [as SO4]MO MIN report only all year
DDCSulfate, total [as SO4]MO AVG report only all year
DDCSulfate, total [as SO4]MO MAX report only all year
DDCIron, total [as Fe]MO MIN report only all year
DDCIron, total [as Fe]MO AVG report only all year
DDCIron, total [as Fe]MO MAX report only all year
DDCManganese, total [as Mn]MO MIN report only all year
DDCManganese, total [as Mn]MO AVG report only all year
DDCManganese, total [as Mn]MO MAX report only all year
DDCAluminum, total [as Al]MO MIN report only all year
DDCAluminum, total [as Al]MO AVG report only all year
DDCAluminum, total [as Al]MO MAX report only all year
DDCAluminum, dissolved [as Al]MO MIN report only all year
DDCAluminum, dissolved [as Al]MO AVG report only all year
DDCAluminum, dissolved [as Al]MO MAX report only all year
DDCSolids, total dissolvedMO MIN report only all year
DDCSolids, total dissolvedMO AVG report only all year
DDCSolids, total dissolvedMO MAX report only all year
UAPHStream flow, instantaneousMO AVG report only all year
UAPHStream flow, instantaneousMO MAX report only all year
UAPHSpecific conductanceMO MIN report only all year
UAPHSpecific conductanceMO AVG report only all year
UAPHSpecific conductanceMO MAX report only all year
UAPHpHMO MIN report only all year
UAPHpHMO AVG report only all year
UAPHpHMO MAX report only all year
UAPHSulfate, total [as SO4]MO MIN report only all year
UAPHSulfate, total [as SO4]MO AVG report only all year
UAPHSulfate, total [as SO4]MO MAX report only all year
UAPHIron, total [as Fe]MO MIN report only all year
UAPHIron, total [as Fe]MO AVG report only all year
UAPHIron, total [as Fe]MO MAX report only all year
UAPHManganese, total [as Mn]MO MIN report only all year
UAPHManganese, total [as Mn]MO AVG report only all year
UAPHManganese, total [as Mn]MO MAX report only all year
UAPHAluminum, total [as Al]MO MIN report only all year
UAPHAluminum, total [as Al]MO AVG report only all year
UAPHAluminum, total [as Al]MO MAX report only all year
UAPHAluminum, dissolved [as Al]MO MIN report only all year
UAPHAluminum, dissolved [as Al]MO AVG report only all year
UAPHAluminum, dissolved [as Al]MO MAX report only all year
UAPHSolids, total dissolvedMO MIN report only all year
UAPHSolids, total dissolvedMO AVG report only all year
UAPHSolids, total dissolvedMO MAX report only all year
UDCStream flow, instantaneousMO AVG report only all year
UDCStream flow, instantaneousMO MAX report only all year
UDCSpecific conductanceMO AVG report only all year
UDCSpecific conductanceMO MAX report only all year
UDCpHMO MIN report only all year
UDCpHMO MAX report only all year
UDCSulfate, total [as SO4]MO AVG report only all year
UDCSulfate, total [as SO4]MO MAX report only all year
UDCIron, total [as Fe]MO MIN report only all year
UDCIron, total [as Fe]MO AVG report only all year
UDCIron, total [as Fe]MO MAX report only all year
UDCManganese, total [as Mn]MO MIN report only all year
UDCManganese, total [as Mn]MO AVG report only all year
UDCManganese, total [as Mn]MO MAX report only all year
UDCAluminum, total [as Al]MO MIN report only all year
UDCAluminum, total [as Al]MO AVG report only all year
UDCAluminum, total [as Al]MO MAX report only all year
UDCAluminum, dissolved [as Al]MO MIN report only all year
UDCAluminum, dissolved [as Al]MO AVG report only all year
UDCAluminum, dissolved [as Al]MO MAX report only all year
UDCSolids, total dissolvedMO AVG report only all year
UDCSolids, 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