MEGA HIGHWALL MINING, LLC

NPDES permit WV1013211 · Minor NON-POTW · effective, expires 2030-05-13 · 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
248required values missing, on 16 form(s)
6of 34 forms filed late

Last period with anything received: 2026-06-30.

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 (148)

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 AVG report only 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 <= 2 mg/L all year
004Manganese, total [as Mn]MO MAX <= 3.47 mg/L all year
004Aluminum, total [as Al]MO MIN report only all year
004Aluminum, total [as Al]MO AVG <= .43 mg/L all year
004Aluminum, total [as Al]MO MAX <= .75 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
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 AVG report only 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 <= 3 mg/L all year
006Iron, total [as Fe]MO MAX <= 5.26 mg/L all year
006Manganese, total [as Mn]MO MIN report only all year
006Manganese, total [as Mn]MO AVG <= 2 mg/L all year
006Manganese, total [as Mn]MO MAX <= 3.47 mg/L all year
006Aluminum, total [as Al]MO MIN report only all year
006Aluminum, total [as Al]MO AVG <= .43 mg/L all year
006Aluminum, total [as Al]MO MAX <= .75 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
DBCStream flow, instantaneousMO AVG report only all year
DBCStream flow, instantaneousMO MAX report only all year
DBCSpecific conductanceMO AVG report only all year
DBCSpecific conductanceMO MAX report only all year
DBCpHMO MIN report only all year
DBCpHMO MAX report only all year
DBCSulfate, total [as SO4]MO AVG report only all year
DBCSulfate, total [as SO4]MO MAX report only all year
DBCIron, total [as Fe]MO MIN report only all year
DBCIron, total [as Fe]MO AVG report only all year
DBCIron, total [as Fe]MO MAX report only all year
DBCManganese, total [as Mn]MO MIN report only all year
DBCManganese, total [as Mn]MO AVG report only all year
DBCManganese, total [as Mn]MO MAX report only all year
DBCAluminum, total [as Al]MO MIN report only all year
DBCAluminum, total [as Al]MO AVG report only all year
DBCAluminum, total [as Al]MO MAX report only all year
DBCAluminum, dissolved [as Al]MO MIN report only all year
DBCAluminum, dissolved [as Al]MO AVG report only all year
DBCAluminum, dissolved [as Al]MO MAX report only all year
DBCSolids, total dissolvedMO AVG report only all year
DBCSolids, total dissolvedMO MAX report only all year
DSACStream flow, instantaneousMO AVG report only all year
DSACStream flow, instantaneousMO MAX report only all year
DSACSpecific conductanceMO AVG report only all year
DSACSpecific conductanceMO MAX report only all year
DSACpHMO MIN report only all year
DSACpHMO MAX report only all year
DSACSulfate, total [as SO4]MO AVG report only all year
DSACSulfate, total [as SO4]MO MAX report only all year
DSACIron, total [as Fe]MO MIN report only all year
DSACIron, total [as Fe]MO AVG report only all year
DSACIron, total [as Fe]MO MAX report only all year
DSACManganese, total [as Mn]MO MIN report only all year
DSACManganese, total [as Mn]MO AVG report only all year
DSACManganese, total [as Mn]MO MAX report only all year
DSACAluminum, total [as Al]MO MIN report only all year
DSACAluminum, total [as Al]MO AVG report only all year
DSACAluminum, total [as Al]MO MAX report only all year
DSACAluminum, dissolved [as Al]MO MIN report only all year
DSACAluminum, dissolved [as Al]MO AVG report only all year
DSACAluminum, dissolved [as Al]MO MAX report only all year
DSACSolids, total dissolvedMO AVG report only all year
DSACSolids, total dissolvedMO MAX report only all year
UBCStream flow, instantaneousMO AVG report only all year
UBCStream flow, instantaneousMO MAX report only all year
UBCSpecific conductanceMO AVG report only all year
UBCSpecific conductanceMO MAX report only all year
UBCpHMO MIN report only all year
UBCpHMO MAX report only all year
UBCSulfate, total [as SO4]MO AVG report only all year
UBCSulfate, total [as SO4]MO MAX report only all year
UBCIron, total [as Fe]MO MIN report only all year
UBCIron, total [as Fe]MO AVG report only all year
UBCIron, total [as Fe]MO MAX report only all year
UBCManganese, total [as Mn]MO MIN report only all year
UBCManganese, total [as Mn]MO AVG report only all year
UBCManganese, total [as Mn]MO MAX report only all year
UBCAluminum, total [as Al]MO MIN report only all year
UBCAluminum, total [as Al]MO AVG report only all year
UBCAluminum, total [as Al]MO MAX report only all year
UBCAluminum, dissolved [as Al]MO MIN report only all year
UBCAluminum, dissolved [as Al]MO AVG report only all year
UBCAluminum, dissolved [as Al]MO MAX report only all year
UBCSolids, total dissolvedMO AVG report only all year
UBCSolids, total dissolvedMO MAX report only all year
USACStream flow, instantaneousMO AVG report only all year
USACStream flow, instantaneousMO MAX report only all year
USACSpecific conductanceMO AVG report only all year
USACSpecific conductanceMO MAX report only all year
USACpHMO MIN report only all year
USACpHMO MAX report only all year
USACSulfate, total [as SO4]MO AVG report only all year
USACSulfate, total [as SO4]MO MAX report only all year
USACIron, total [as Fe]MO MIN report only all year
USACIron, total [as Fe]MO AVG report only all year
USACIron, total [as Fe]MO MAX report only all year
USACManganese, total [as Mn]MO MIN report only all year
USACManganese, total [as Mn]MO AVG report only all year
USACManganese, total [as Mn]MO MAX report only all year
USACAluminum, total [as Al]MO MIN report only all year
USACAluminum, total [as Al]MO AVG report only all year
USACAluminum, total [as Al]MO MAX report only all year
USACAluminum, dissolved [as Al]MO MIN report only all year
USACAluminum, dissolved [as Al]MO AVG report only all year
USACAluminum, dissolved [as Al]MO MAX report only all year
USACSolids, total dissolvedMO AVG report only all year
USACSolids, 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