CENTRAL SUPPLY COMPANY OF WEST VIRGINIA — NPDES permit WV0077348: limits, due date and EPA's record

NPDES permit WV0077348 · Minor NON-POTW · effective, expires 2028-08-22 · EPA's file as of 2026-09-19

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

Last period with anything received: 2026-07-31. Most often over: Chromium, hexavalent [as Cr] (7).

Reporting

Reports are due about 25 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (24)

Outfall	Parameter	Statistic	Limit	Months
002	BOD, 5-day, 20 deg. C	MO AVG	report only	all year
002	BOD, 5-day, 20 deg. C	DAILY MX	report only	all year
002	pH	INST MIN	>= 6 SU	all year
002	pH	INST MAX	<= 9 SU	all year
002	Solids, total suspended	MO AVG	report only	all year
002	Solids, total suspended	DAILY MX	<= 50 mg/L	all year
002	Oil and grease, hexane extr method	MO AVG	report only	all year
002	Oil and grease, hexane extr method	DAILY MX	<= 15 mg/L	all year
002	Hardness, total [as CaCO3]	MO AVG	report only	all year
002	Hardness, total [as CaCO3]	DAILY MX	report only	all year
002	Chloride [as Cl]	MO AVG	report only	all year
002	Chloride [as Cl]	DAILY MX	<= 250 mg/L	all year
002	Arsenic, total recoverable	MO AVG	report only	all year
002	Arsenic, total recoverable	DAILY MX	<= .01 mg/L	all year
002	Iron, total recoverable	MO AVG	report only	all year
002	Iron, total recoverable	DAILY MX	<= 1.5 mg/L	all year
002	Chromium, hexavalent [as Cr]	MO AVG	report only	all year
002	Chromium, hexavalent [as Cr]	DAILY MX	<= .011 mg/L	all year
002	Aluminum, total recoverable	MO AVG	report only	all year
002	Aluminum, total recoverable	DAILY MX	<= 2.06 mg/L	all year
002	Copper, total recoverable	MO AVG	report only	all year
002	Copper, total recoverable	DAILY MX	<= .055 mg/L	all year
002	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
002	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year