HAMPDEN COAL, LLC

NPDES permit WV1020498 · Minor NON-POTW · effective, expires 2029-09-03 · 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
3required values missing, on 1 form(s)
0of 58 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 (182)

OutfallParameterStatisticLimitMonths
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
004Iron, total [as Fe]MO MIN report only all year
004Iron, total [as Fe]MO AVG <= 1.42 mg/L all year
004Iron, total [as Fe]MO MAX <= 2.46 mg/L all year
004Manganese, total [as Mn]MO MIN report only all year
004Manganese, total [as Mn]MO AVG <= 1 mg/L all year
004Manganese, total [as Mn]MO MAX <= 1.73 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
005Flow rateMO AVG report only all year
005Flow rateMO MAX report only all year
005Specific conductanceMO MIN report only all year
005Specific conductanceMO AVG report only all year
005Specific conductanceMO MAX report only all year
005pHMO MIN >= 6 SU all year
005pHMO MAX <= 9 SU all year
005Alkalinity, total [as CaCO3]MO MIN report only all year
005Alkalinity, total [as CaCO3]MO AVG report only all year
005Alkalinity, total [as CaCO3]MO MAX report only all year
005Solids, total suspendedMO MIN report only all year
005Solids, total suspendedMO AVG <= 35 mg/L all year
005Solids, total suspendedMO MAX <= 70 mg/L all year
005Solids, settleableMO MIN report only all year
005Solids, settleableMO AVG report only all year
005Solids, settleableMO MAX <= .5 mL/L all year
005Calcium, total [as Ca]MO MIN report only all year
005Calcium, total [as Ca]MO AVG report only all year
005Calcium, total [as Ca]MO MAX report only all year
005Magnesium, total [as Mg]MO MIN report only all year
005Magnesium, total [as Mg]MO AVG report only all year
005Magnesium, total [as Mg]MO MAX report only all year
005Sodium, total [as Na]MO MIN report only all year
005Sodium, total [as Na]MO AVG report only all year
005Sodium, total [as Na]MO MAX report only all year
005Potassium, total [as K]MO MIN report only all year
005Potassium, total [as K]MO AVG report only all year
005Potassium, total [as K]MO MAX report only all year
005Sulfate, total [as SO4]MO MIN report only all year
005Sulfate, total [as SO4]MO AVG report only all year
005Sulfate, total [as SO4]MO MAX report only all year
005Beryllium, total recoverable [as Be]MO MIN report only all year
005Beryllium, total recoverable [as Be]MO AVG report only all year
005Beryllium, total recoverable [as Be]MO MAX report only all year
005Iron, total [as Fe]MO MIN report only all year
005Iron, total [as Fe]MO AVG <= 1.42 mg/L all year
005Iron, total [as Fe]MO MAX <= 2.46 mg/L all year
005Manganese, total [as Mn]MO MIN report only all year
005Manganese, total [as Mn]MO AVG <= 1 mg/L all year
005Manganese, total [as Mn]MO MAX <= 1.73 mg/L all year
005Aluminum, total [as Al]MO MIN report only all year
005Aluminum, total [as Al]MO AVG <= .43 mg/L all year
005Aluminum, total [as Al]MO MAX <= .75 mg/L all year
005Aluminum, dissolved [as Al]MO MIN report only all year
005Aluminum, dissolved [as Al]MO AVG report only all year
005Aluminum, dissolved [as Al]MO MAX report only all year
005Toxicity [chronic], Ceriodaphnia dubiaMO MIN report only all year
005Toxicity [chronic], Ceriodaphnia dubiaMO AVG report only all year
005Toxicity [chronic], Ceriodaphnia dubiaMO MAX report only all year
005Solids, total dissolvedMO MIN report only all year
005Solids, total dissolvedMO AVG report only all year
005Solids, total dissolvedMO MAX report only all year
006Flow rateMO AVG report only all year
006Flow rateMO MAX report only all year
006Specific conductanceMO MIN report only all year
006Specific conductanceMO AVG report only all year
006Specific conductanceMO MAX report only all year
006pHMO MIN >= 6 SU all year
006pHMO MAX <= 9 SU all year
006Solids, total suspendedMO MIN report only all year
006Solids, total suspendedMO AVG <= 35 mg/L all year
006Solids, total suspendedMO MAX <= 70 mg/L all year
006Solids, settleableMO MAX <= .5 mL/L all year
006Sulfate, total [as SO4]MO MIN report only all year
006Sulfate, total [as SO4]MO AVG report only all year
006Sulfate, total [as SO4]MO MAX report only all year
006Iron, total [as Fe]MO MIN report only all year
006Iron, total [as Fe]MO AVG <= 1.42 mg/L all year
006Iron, total [as Fe]MO MAX <= 2.46 mg/L all year
006Manganese, total [as Mn]MO MIN report only all year
006Manganese, total [as Mn]MO AVG <= 1 mg/L all year
006Manganese, total [as Mn]MO MAX <= 1.73 mg/L all year
006Aluminum, total [as Al]MO MIN report only all year
006Aluminum, total [as Al]MO AVG <= 3 mg/L all year
006Aluminum, total [as Al]MO MAX <= 6 mg/L all year
006Aluminum, dissolved [as Al]MO MIN report only all year
006Aluminum, dissolved [as Al]MO AVG report only all year
006Aluminum, dissolved [as Al]MO MAX report only all year
006Solids, total dissolvedMO MIN report only all year
006Solids, total dissolvedMO AVG report only all year
006Solids, total dissolvedMO MAX report only all year
007Flow rateMO AVG report only all year
007Flow rateMO MAX report only all year
007Specific conductanceMO MIN report only all year
007Specific conductanceMO AVG report only all year
007Specific conductanceMO MAX report only all year
007pHMO MIN >= 6 SU all year
007pHMO MAX <= 9 SU all year
007Solids, total suspendedMO MIN report only all year
007Solids, total suspendedMO AVG <= 35 mg/L all year
007Solids, total suspendedMO MAX <= 70 mg/L all year
007Solids, settleableMO MAX <= .5 mL/L all year
007Sulfate, total [as SO4]MO MIN report only all year
007Sulfate, total [as SO4]MO AVG report only all year
007Sulfate, total [as SO4]MO MAX report only all year
007Iron, total [as Fe]MO MIN report only all year
007Iron, total [as Fe]MO AVG <= 1.42 mg/L all year
007Iron, total [as Fe]MO MAX <= 2.46 mg/L all year
007Manganese, total [as Mn]MO MIN report only all year
007Manganese, total [as Mn]MO AVG <= 1 mg/L all year
007Manganese, total [as Mn]MO MAX <= 1.73 mg/L all year
007Aluminum, total [as Al]MO MIN report only all year
007Aluminum, total [as Al]MO AVG <= 3 mg/L all year
007Aluminum, total [as Al]MO MAX <= 6 mg/L all year
007Aluminum, dissolved [as Al]MO MIN report only all year
007Aluminum, dissolved [as Al]MO AVG report only all year
007Aluminum, dissolved [as Al]MO MAX report only all year
007Solids, total dissolvedMO MIN report only all year
007Solids, total dissolvedMO AVG report only all year
007Solids, total dissolvedMO MAX report only all year
DHCStream flow, instantaneousMO AVG report only all year
DHCStream flow, instantaneousMO MAX report only all year
DHCSpecific conductanceMO AVG report only all year
DHCSpecific conductanceMO MAX report only all year
DHCpHMO MIN report only all year
DHCpHMO MAX report only all year
DHCSulfate, total [as SO4]MO AVG report only all year
DHCSulfate, total [as SO4]MO MAX report only all year
DHCIron, total [as Fe]MO AVG report only all year
DHCIron, total [as Fe]MO MAX report only all year
DHCManganese, total [as Mn]MO MIN report only all year
DHCManganese, total [as Mn]MO AVG report only all year
DHCManganese, total [as Mn]MO MAX report only all year
DHCAluminum, total [as Al]MO MIN report only all year
DHCAluminum, total [as Al]MO AVG report only all year
DHCAluminum, total [as Al]MO MAX report only all year
DHCAluminum, dissolved [as Al]MO MIN report only all year
DHCAluminum, dissolved [as Al]MO AVG report only all year
DHCAluminum, dissolved [as Al]MO MAX report only all year
DHCSolids, total dissolvedMO AVG report only all year
DHCSolids, total dissolvedMO MAX report only all year
UHCStream flow, instantaneousMO AVG report only all year
UHCStream flow, instantaneousMO MAX report only all year
UHCSpecific conductanceMO AVG report only all year
UHCSpecific conductanceMO MAX report only all year
UHCpHMO MIN report only all year
UHCpHMO MAX report only all year
UHCSulfate, total [as SO4]MO AVG report only all year
UHCSulfate, total [as SO4]MO MAX report only all year
UHCIron, total [as Fe]MO MIN report only all year
UHCIron, total [as Fe]MO AVG report only all year
UHCIron, total [as Fe]MO MAX report only all year
UHCManganese, total [as Mn]MO MIN report only all year
UHCManganese, total [as Mn]MO AVG report only all year
UHCManganese, total [as Mn]MO MAX report only all year
UHCAluminum, total [as Al]MO MIN report only all year
UHCAluminum, total [as Al]MO AVG report only all year
UHCAluminum, total [as Al]MO MAX report only all year
UHCAluminum, dissolved [as Al]MO MIN report only all year
UHCAluminum, dissolved [as Al]MO AVG report only all year
UHCAluminum, dissolved [as Al]MO MAX report only all year
UHCSolids, total dissolvedMO AVG report only all year
UHCSolids, 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