ERP ENVIRONMENTAL FUND, INC. — NPDES permit WV0066371: limits, due date and EPA's record

NPDES permit WV0066371 · Minor NON-POTW · effective, expires 2028-04-19 · EPA's file as of 2026-09-19

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

Reporting

Reports are due about 26 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (50)

Outfall	Parameter	Statistic	Limit	Months
002	Flow rate	MO AVG	report only	all year
002	Flow rate	MO MAX	report only	all year
002	Specific conductance	MO MIN	report only	all year
002	Specific conductance	MO AVG	report only	all year
002	Specific conductance	MO MAX	report only	all year
002	pH	MO MIN	>= 6 SU	all year
002	pH	MO MAX	<= 9 SU	all year
002	Solids, total suspended	MO MIN	report only	all year
002	Solids, total suspended	MO AVG	<= 35 mg/L	all year
002	Solids, total suspended	MO MAX	<= 70 mg/L	all year
002	Solids, settleable	MO MIN	report only	all year
002	Solids, settleable	MO AVG	report only	all year
002	Solids, settleable	MO MAX	<= .5 mL/L	all year
002	Sulfate, total [as SO4]	MO MIN	report only	all year
002	Sulfate, total [as SO4]	MO AVG	report only	all year
002	Sulfate, total [as SO4]	MO MAX	report only	all year
002	Iron, total [as Fe]	MO MIN	report only	all year
002	Iron, total [as Fe]	MO AVG	<= 3 mg/L	all year
002	Iron, total [as Fe]	MO MAX	<= 5.26 mg/L	all year
002	Aluminum, total [as Al]	MO MIN	report only	all year
002	Aluminum, total [as Al]	MO AVG	<= .43 mg/L	all year
002	Aluminum, total [as Al]	MO MAX	<= .75 mg/L	all year
002	Aluminum, dissolved [as Al]	MO MIN	report only	all year
002	Aluminum, dissolved [as Al]	MO AVG	report only	all year
002	Aluminum, dissolved [as Al]	MO MAX	report only	all year
002	Solids, total dissolved	MO MIN	report only	all year
002	Solids, total dissolved	MO AVG	report only	all year
002	Solids, total dissolved	MO MAX	report only	all year
DUT	Stream flow, instantaneous	MO AVG	report only	all year
DUT	Stream flow, instantaneous	MO MAX	report only	all year
DUT	Specific conductance	MO MIN	report only	all year
DUT	Specific conductance	MO AVG	report only	all year
DUT	Specific conductance	MO MAX	report only	all year
DUT	pH	MO MIN	report only	all year
DUT	pH	MO MAX	report only	all year
DUT	Sulfate, total [as SO4]	MO MIN	report only	all year
DUT	Sulfate, total [as SO4]	MO AVG	report only	all year
DUT	Sulfate, total [as SO4]	MO MAX	report only	all year
DUT	Iron, total [as Fe]	MO MIN	report only	all year
DUT	Iron, total [as Fe]	MO AVG	report only	all year
DUT	Iron, total [as Fe]	MO MAX	report only	all year
DUT	Aluminum, total [as Al]	MO MIN	report only	all year
DUT	Aluminum, total [as Al]	MO AVG	report only	all year
DUT	Aluminum, total [as Al]	MO MAX	report only	all year
DUT	Aluminum, dissolved [as Al]	MO MIN	report only	all year
DUT	Aluminum, dissolved [as Al]	MO AVG	report only	all year
DUT	Aluminum, dissolved [as Al]	MO MAX	report only	all year
DUT	Solids, total dissolved	MO MIN	report only	all year
DUT	Solids, total dissolved	MO AVG	report only	all year
DUT	Solids, total dissolved	MO MAX	report only	all year