ROCKWELL MINING, LLC — NPDES permit WV1022776: limits, due date and EPA's record

NPDES permit WV1022776 · Minor NON-POTW · effective, expires 2027-07-14 · EPA's file as of 2026-09-19

EPA's record, 2025-09-01 to 2026-08-31

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 (245)

Outfall	Parameter	Statistic	Limit	Months
001	Flow rate	MO AVG	report only	all year
001	Flow rate	MO MAX	report only	all year
001	Specific conductance	MO MIN	report only	all year
001	Specific conductance	MO AVG	report only	all year
001	Specific conductance	MO MAX	report only	all year
001	pH	MO MIN	>= 6 SU	all year
001	pH	MO MAX	<= 9 SU	all year
001	Alkalinity, total [as CaCO3]	MO MIN	report only	all year
001	Alkalinity, total [as CaCO3]	MO AVG	report only	all year
001	Alkalinity, total [as CaCO3]	MO MAX	report only	all year
001	Solids, total suspended	MO MIN	report only	all year
001	Solids, total suspended	MO AVG	<= 35 mg/L	all year
001	Solids, total suspended	MO MAX	<= 70 mg/L	all year
001	Solids, settleable	MO MIN	report only	all year
001	Solids, settleable	MO AVG	report only	all year
001	Solids, settleable	MO MAX	<= .5 mL/L	all year
001	Hardness, total [as CaCO3]	MO MIN	report only	all year
001	Hardness, total [as CaCO3]	MO AVG	report only	all year
001	Hardness, total [as CaCO3]	MO MAX	report only	all year
001	Calcium, total [as Ca]	MO MIN	report only	all year
001	Calcium, total [as Ca]	MO AVG	report only	all year
001	Calcium, total [as Ca]	MO MAX	report only	all year
001	Magnesium, total [as Mg]	MO MIN	report only	all year
001	Magnesium, total [as Mg]	MO AVG	report only	all year
001	Magnesium, total [as Mg]	MO MAX	report only	all year
001	Sodium, total [as Na]	MO MIN	report only	all year
001	Sodium, total [as Na]	MO AVG	report only	all year
001	Sodium, total [as Na]	MO MAX	report only	all year
001	Potassium, total [as K]	MO MIN	report only	all year
001	Potassium, total [as K]	MO AVG	report only	all year
001	Potassium, total [as K]	MO MAX	report only	all year
001	Sulfate, total [as SO4]	MO MIN	report only	all year
001	Sulfate, total [as SO4]	MO AVG	report only	all year
001	Sulfate, total [as SO4]	MO MAX	report only	all year
001	Selenium, total recoverable	MO MIN	report only	all year
001	Selenium, total recoverable	MO AVG	<= 4.7 ug/L	all year
001	Selenium, total recoverable	MO MAX	<= 8.2 ug/L	all year
001	Iron, total [as Fe]	MO MIN	report only	all year
001	Iron, total [as Fe]	MO AVG	<= .32 mg/L	all year
001	Iron, total [as Fe]	MO MAX	<= .56 mg/L	all year
001	Manganese, total [as Mn]	MO MIN	report only	all year
001	Manganese, total [as Mn]	MO AVG	<= 2 mg/L	all year
001	Manganese, total [as Mn]	MO MAX	<= 4 mg/L	all year
001	Aluminum, total [as Al]	MO MIN	report only	all year
001	Aluminum, total [as Al]	MO AVG	<= .22 mg/L	all year
001	Aluminum, total [as Al]	MO MAX	<= .38 mg/L	all year
001	Aluminum, dissolved [as Al]	MO MIN	report only	all year
001	Aluminum, dissolved [as Al]	MO AVG	report only	all year
001	Aluminum, dissolved [as Al]	MO MAX	report only	all year
001	Toxicity [chronic], Ceriodaphnia dubia	MO MIN	report only	all year
001	Toxicity [chronic], Ceriodaphnia dubia	MO AVG	<= .82 tox chronic	all year
001	Toxicity [chronic], Ceriodaphnia dubia	MO MAX	<= 1.64 tox chronic	all year
001	Solids, total dissolved	MO MIN	report only	all year
001	Solids, total dissolved	MO AVG	report only	all year
001	Solids, total dissolved	MO MAX	report only	all year
BAS-WIN17-1	Stream flow, instantaneous	MO AVG	report only	all year
BAS-WIN17-1	Stream flow, instantaneous	MO MAX	report only	all year
BAS-WIN17-1	Specific conductance	MO MIN	report only	all year
BAS-WIN17-1	Specific conductance	MO AVG	report only	all year
BAS-WIN17-1	Specific conductance	MO MAX	report only	all year
BAS-WIN17-1	pH	MO MIN	report only	all year
BAS-WIN17-1	pH	MO MAX	report only	all year
BAS-WIN17-1	Alkalinity, total [as CaCO3]	MO MIN	report only	all year
BAS-WIN17-1	Alkalinity, total [as CaCO3]	MO AVG	report only	all year
BAS-WIN17-1	Alkalinity, total [as CaCO3]	MO MAX	report only	all year
BAS-WIN17-1	Solids, total suspended	MO MIN	report only	all year
BAS-WIN17-1	Solids, total suspended	MO AVG	report only	all year
BAS-WIN17-1	Solids, total suspended	MO MAX	report only	all year
BAS-WIN17-1	Calcium, total [as Ca]	MO MIN	report only	all year
BAS-WIN17-1	Calcium, total [as Ca]	MO AVG	report only	all year
BAS-WIN17-1	Calcium, total [as Ca]	MO MAX	report only	all year
BAS-WIN17-1	Magnesium, total [as Mg]	MO MIN	report only	all year
BAS-WIN17-1	Magnesium, total [as Mg]	MO AVG	report only	all year
BAS-WIN17-1	Magnesium, total [as Mg]	MO MAX	report only	all year
BAS-WIN17-1	Sodium, total [as Na]	MO MIN	report only	all year
BAS-WIN17-1	Sodium, total [as Na]	MO AVG	report only	all year
BAS-WIN17-1	Sodium, total [as Na]	MO MAX	report only	all year
BAS-WIN17-1	Potassium, total [as K]	MO MIN	report only	all year
BAS-WIN17-1	Potassium, total [as K]	MO AVG	report only	all year
BAS-WIN17-1	Potassium, total [as K]	MO MAX	report only	all year
BAS-WIN17-1	Sulfate, total [as SO4]	MO MIN	report only	all year
BAS-WIN17-1	Sulfate, total [as SO4]	MO AVG	report only	all year
BAS-WIN17-1	Sulfate, total [as SO4]	MO MAX	report only	all year
BAS-WIN17-1	Selenium, total recoverable	MO MIN	report only	all year
BAS-WIN17-1	Selenium, total recoverable	MO AVG	report only	all year
BAS-WIN17-1	Selenium, total recoverable	MO MAX	report only	all year
BAS-WIN17-1	Iron, total [as Fe]	MO MIN	report only	all year
BAS-WIN17-1	Iron, total [as Fe]	MO AVG	report only	all year
BAS-WIN17-1	Iron, total [as Fe]	MO MAX	report only	all year
BAS-WIN17-1	Manganese, total [as Mn]	MO MIN	report only	all year
BAS-WIN17-1	Manganese, total [as Mn]	MO AVG	report only	all year
BAS-WIN17-1	Manganese, total [as Mn]	MO MAX	report only	all year
BAS-WIN17-1	Aluminum, total [as Al]	MO MIN	report only	all year
BAS-WIN17-1	Aluminum, total [as Al]	MO AVG	report only	all year
BAS-WIN17-1	Aluminum, total [as Al]	MO MAX	report only	all year
BAS-WIN17-1	Aluminum, dissolved [as Al]	MO MIN	report only	all year
BAS-WIN17-1	Aluminum, dissolved [as Al]	MO AVG	report only	all year
BAS-WIN17-1	Aluminum, dissolved [as Al]	MO MAX	report only	all year
BAS-WIN17-1	Solids, total dissolved	MO MIN	report only	all year
BAS-WIN17-1	Solids, total dissolved	MO AVG	report only	all year
BAS-WIN17-1	Solids, total dissolved	MO MAX	report only	all year
BAS-WIN17-2	Stream flow, instantaneous	MO AVG	report only	all year
BAS-WIN17-2	Stream flow, instantaneous	MO MAX	report only	all year
BAS-WIN17-2	Specific conductance	MO MIN	report only	all year
BAS-WIN17-2	Specific conductance	MO AVG	report only	all year
BAS-WIN17-2	Specific conductance	MO MAX	report only	all year
BAS-WIN17-2	pH	MO MIN	report only	all year
BAS-WIN17-2	pH	MO MAX	report only	all year
BAS-WIN17-2	Alkalinity, total [as CaCO3]	MO MIN	report only	all year
BAS-WIN17-2	Alkalinity, total [as CaCO3]	MO AVG	report only	all year
BAS-WIN17-2	Alkalinity, total [as CaCO3]	MO MAX	report only	all year
BAS-WIN17-2	Solids, total suspended	MO MIN	report only	all year
BAS-WIN17-2	Solids, total suspended	MO AVG	report only	all year
BAS-WIN17-2	Solids, total suspended	MO MAX	report only	all year
BAS-WIN17-2	Calcium, total [as Ca]	MO MIN	report only	all year
BAS-WIN17-2	Calcium, total [as Ca]	MO AVG	report only	all year
BAS-WIN17-2	Calcium, total [as Ca]	MO MAX	report only	all year
BAS-WIN17-2	Magnesium, total [as Mg]	MO MIN	report only	all year
BAS-WIN17-2	Magnesium, total [as Mg]	MO AVG	report only	all year
BAS-WIN17-2	Magnesium, total [as Mg]	MO MAX	report only	all year
BAS-WIN17-2	Sodium, total [as Na]	MO MIN	report only	all year
BAS-WIN17-2	Sodium, total [as Na]	MO AVG	report only	all year
BAS-WIN17-2	Sodium, total [as Na]	MO MAX	report only	all year
BAS-WIN17-2	Potassium, total [as K]	MO MIN	report only	all year
BAS-WIN17-2	Potassium, total [as K]	MO AVG	report only	all year
BAS-WIN17-2	Potassium, total [as K]	MO MAX	report only	all year
BAS-WIN17-2	Sulfate, total [as SO4]	MO MIN	report only	all year
BAS-WIN17-2	Sulfate, total [as SO4]	MO AVG	report only	all year
BAS-WIN17-2	Sulfate, total [as SO4]	MO MAX	report only	all year
BAS-WIN17-2	Selenium, total recoverable	MO MIN	report only	all year
BAS-WIN17-2	Selenium, total recoverable	MO AVG	report only	all year
BAS-WIN17-2	Selenium, total recoverable	MO MAX	report only	all year
BAS-WIN17-2	Iron, total [as Fe]	MO MIN	report only	all year
BAS-WIN17-2	Iron, total [as Fe]	MO AVG	report only	all year
BAS-WIN17-2	Iron, total [as Fe]	MO MAX	report only	all year
BAS-WIN17-2	Manganese, total [as Mn]	MO MIN	report only	all year
BAS-WIN17-2	Manganese, total [as Mn]	MO AVG	report only	all year
BAS-WIN17-2	Manganese, total [as Mn]	MO MAX	report only	all year
BAS-WIN17-2	Aluminum, total [as Al]	MO MIN	report only	all year
BAS-WIN17-2	Aluminum, total [as Al]	MO AVG	report only	all year
BAS-WIN17-2	Aluminum, total [as Al]	MO MAX	report only	all year
BAS-WIN17-2	Aluminum, dissolved [as Al]	MO MIN	report only	all year
BAS-WIN17-2	Aluminum, dissolved [as Al]	MO AVG	report only	all year
BAS-WIN17-2	Aluminum, dissolved [as Al]	MO MAX	report only	all year
BAS-WIN17-2	Solids, total dissolved	MO MIN	report only	all year
BAS-WIN17-2	Solids, total dissolved	MO AVG	report only	all year
BAS-WIN17-2	Solids, total dissolved	MO MAX	report only	all year
DPF	Stream flow, instantaneous	MO AVG	report only	all year
DPF	Stream flow, instantaneous	MO MAX	report only	all year
DPF	Specific conductance	MO AVG	report only	all year
DPF	Specific conductance	MO MAX	report only	all year
DPF	pH	MO MIN	report only	all year
DPF	pH	MO MAX	report only	all year
DPF	Sulfate, total [as SO4]	MO AVG	report only	all year
DPF	Sulfate, total [as SO4]	MO MAX	report only	all year
DPF	Selenium, total recoverable	MO MIN	report only	all year
DPF	Selenium, total recoverable	MO AVG	report only	all year
DPF	Selenium, total recoverable	MO MAX	report only	all year
DPF	Iron, total [as Fe]	MO AVG	report only	all year
DPF	Iron, total [as Fe]	MO MAX	report only	all year
DPF	Manganese, total [as Mn]	MO MIN	report only	all year
DPF	Manganese, total [as Mn]	MO AVG	report only	all year
DPF	Manganese, total [as Mn]	MO MAX	report only	all year
DPF	Aluminum, total [as Al]	MO MIN	report only	all year
DPF	Aluminum, total [as Al]	MO AVG	report only	all year
DPF	Aluminum, total [as Al]	MO MAX	report only	all year
DPF	Aluminum, dissolved [as Al]	MO MIN	report only	all year
DPF	Aluminum, dissolved [as Al]	MO AVG	report only	all year
DPF	Aluminum, dissolved [as Al]	MO MAX	report only	all year
DPF	Solids, total dissolved	MO AVG	report only	all year
DPF	Solids, total dissolved	MO MAX	report only	all year
DWB	Stream flow, instantaneous	MO AVG	report only	all year
DWB	Stream flow, instantaneous	MO MAX	report only	all year
DWB	Specific conductance	MO AVG	report only	all year
DWB	Specific conductance	MO MAX	report only	all year
DWB	pH	MO MIN	report only	all year
DWB	pH	MO MAX	report only	all year
DWB	Sulfate, total [as SO4]	MO AVG	report only	all year
DWB	Sulfate, total [as SO4]	MO MAX	report only	all year
DWB	Selenium, total recoverable	MO MIN	report only	all year
DWB	Selenium, total recoverable	MO AVG	report only	all year
DWB	Selenium, total recoverable	MO MAX	report only	all year
DWB	Iron, total [as Fe]	MO AVG	report only	all year
DWB	Iron, total [as Fe]	MO MAX	report only	all year
DWB	Manganese, total [as Mn]	MO MIN	report only	all year
DWB	Manganese, total [as Mn]	MO AVG	report only	all year
DWB	Manganese, total [as Mn]	MO MAX	report only	all year
DWB	Aluminum, total [as Al]	MO MIN	report only	all year
DWB	Aluminum, total [as Al]	MO AVG	report only	all year
DWB	Aluminum, total [as Al]	MO MAX	report only	all year
DWB	Aluminum, dissolved [as Al]	MO MIN	report only	all year
DWB	Aluminum, dissolved [as Al]	MO AVG	report only	all year
DWB	Aluminum, dissolved [as Al]	MO MAX	report only	all year
DWB	Solids, total dissolved	MO AVG	report only	all year
DWB	Solids, total dissolved	MO MAX	report only	all year
UPF	Stream flow, instantaneous	MO AVG	report only	all year
UPF	Stream flow, instantaneous	MO MAX	report only	all year
UPF	Specific conductance	MO AVG	report only	all year
UPF	Specific conductance	MO MAX	report only	all year
UPF	pH	MO MIN	report only	all year
UPF	pH	MO MAX	report only	all year
UPF	Sulfate, total [as SO4]	MO AVG	report only	all year
UPF	Sulfate, total [as SO4]	MO MAX	report only	all year
UPF	Selenium, total recoverable	MO MIN	report only	all year
UPF	Selenium, total recoverable	MO AVG	report only	all year
UPF	Selenium, total recoverable	MO MAX	report only	all year
UPF	Iron, total [as Fe]	MO MIN	report only	all year
UPF	Iron, total [as Fe]	MO AVG	report only	all year
UPF	Iron, total [as Fe]	MO MAX	report only	all year
UPF	Manganese, total [as Mn]	MO MIN	report only	all year
UPF	Manganese, total [as Mn]	MO AVG	report only	all year
UPF	Manganese, total [as Mn]	MO MAX	report only	all year
UPF	Aluminum, total [as Al]	MO MIN	report only	all year
UPF	Aluminum, total [as Al]	MO AVG	report only	all year
UPF	Aluminum, total [as Al]	MO MAX	report only	all year
UPF	Aluminum, dissolved [as Al]	MO MIN	report only	all year
UPF	Aluminum, dissolved [as Al]	MO AVG	report only	all year
UPF	Aluminum, dissolved [as Al]	MO MAX	report only	all year
UPF	Solids, total dissolved	MO AVG	report only	all year
UPF	Solids, total dissolved	MO MAX	report only	all year
UWB	Stream flow, instantaneous	MO AVG	report only	all year
UWB	Stream flow, instantaneous	MO MAX	report only	all year
UWB	Specific conductance	MO AVG	report only	all year
UWB	Specific conductance	MO MAX	report only	all year
UWB	pH	MO MIN	report only	all year
UWB	pH	MO MAX	report only	all year
UWB	Sulfate, total [as SO4]	MO AVG	report only	all year
UWB	Sulfate, total [as SO4]	MO MAX	report only	all year
UWB	Selenium, total recoverable	MO MIN	report only	all year
UWB	Selenium, total recoverable	MO AVG	report only	all year
UWB	Selenium, total recoverable	MO MAX	report only	all year
UWB	Iron, total [as Fe]	MO MIN	report only	all year
UWB	Iron, total [as Fe]	MO AVG	report only	all year
UWB	Iron, total [as Fe]	MO MAX	report only	all year
UWB	Manganese, total [as Mn]	MO MIN	report only	all year
UWB	Manganese, total [as Mn]	MO AVG	report only	all year
UWB	Manganese, total [as Mn]	MO MAX	report only	all year
UWB	Aluminum, total [as Al]	MO MIN	report only	all year
UWB	Aluminum, total [as Al]	MO AVG	report only	all year
UWB	Aluminum, total [as Al]	MO MAX	report only	all year
UWB	Aluminum, dissolved [as Al]	MO MIN	report only	all year
UWB	Aluminum, dissolved [as Al]	MO AVG	report only	all year
UWB	Aluminum, dissolved [as Al]	MO MAX	report only	all year
UWB	Solids, total dissolved	MO AVG	report only	all year
UWB	Solids, total dissolved	MO MAX	report only	all year