Ohio Valley Coal Resources Inc — NPDES permit OH0099660: limits, due date and EPA's record

NPDES permit OH0099660 · Minor NON-POTW · effective, expires 2028-07-31 · EPA's file as of 2026-09-19

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

Reporting

Reports are due about 20 days after each monitoring period ends (the most common figure among OH permits in EPA's filings — check your permit).

Limits in force (36)

Outfall	Parameter	Statistic	Limit	Months
002	Flow rate	MO AVG	report only	all year
002	Flow rate	DAILY MX	report only	all year
002	pH	DAILY MN	>= 6.5 SU	all year
002	pH	DAILY MX	<= 9 SU	all year
002	Solids, total suspended	MO AVG	<= 35 mg/L	all year
002	Solids, total suspended	DAILY MX	<= 70 mg/L	all year
002	Iron, total [as Fe]	MO AVG	<= 3000 ug/L	all year
002	Iron, total [as Fe]	DAILY MX	<= 6000 ug/L	all year
002	Manganese, total [as Mn]	MO AVG	<= 2000 ug/L	all year
002	Manganese, total [as Mn]	DAILY MX	<= 4000 ug/L	all year
002	Rainfall	MO AVG	report only	all year
002	Rainfall	DAILY MX	report only	all year
003	Flow rate	MO AVG	report only	all year
003	Flow rate	DAILY MX	report only	all year
003	pH	DAILY MN	>= 6.5 SU	all year
003	pH	DAILY MX	<= 9 SU	all year
003	Solids, total suspended	MO AVG	<= 35 mg/L	all year
003	Solids, total suspended	DAILY MX	<= 70 mg/L	all year
003	Solids, settleable	MO AVG	report only	all year
003	Solids, settleable	DAILY MX	report only	all year
003	Hardness, total [as CaCO3]	MO AVG	report only	all year
003	Hardness, total [as CaCO3]	DAILY MX	report only	all year
003	Chloride [as Cl]	MO AVG	report only	all year
003	Chloride [as Cl]	DAILY MX	report only	all year
003	Sulfate, total [as SO4]	MO AVG	report only	all year
003	Sulfate, total [as SO4]	DAILY MX	report only	all year
003	Iron, total [as Fe]	MO AVG	<= 3000 ug/L	all year
003	Iron, total [as Fe]	DAILY MX	<= 6000 ug/L	all year
003	Manganese, total [as Mn]	MO AVG	<= 2000 ug/L	all year
003	Manganese, total [as Mn]	DAILY MX	<= 4000 ug/L	all year
003	Rainfall	MO AVG	report only	all year
003	Rainfall	DAILY MX	report only	all year
003	Mercury, total low level	MO AVG	report only	all year
003	Mercury, total low level	DAILY MX	report only	all year
003	Solids, total dissolved- 180 deg. C	MO AVG	report only	all year
003	Solids, total dissolved- 180 deg. C	DAILY MX	report only	all year