Superior Marine Ways Inc — NPDES permit OH0140261: limits, due date and EPA's record

NPDES permit OH0140261 · Minor NON-POTW · effective, expires 2027-11-30 · 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 (46)

Outfall	Parameter	Statistic	Limit	Months
002	Flow rate	MO AVG	report only	all year
002	Flow rate	DAILY MX	report only	all year
002	Oxygen demand, chem. [high level] [COD]	MO AVG	report only	all year
002	Oxygen demand, chem. [high level] [COD]	DAILY MX	report only	all year
002	pH	DAILY MN	report only	all year
002	pH	DAILY MX	report only	all year
002	Solids, total suspended	MO AVG	report only	all year
002	Solids, total suspended	DAILY MX	report only	all year
002	Oil and grease, hexane extr method	DAILY MX	<= 10 mg/L	all year
002	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
002	Nitrogen, Kjeldahl, total [as N]	MO AVG	report only	Jun, Dec
002	Nitrogen, Kjeldahl, total [as N]	DAILY MX	report only	Jun, Dec
002	Nitrite + Nitrate total [as N]	MO AVG	report only	Jun, Dec
002	Nitrite + Nitrate total [as N]	DAILY MX	report only	Jun, Dec
002	Arsenic, total recoverable	MO AVG	report only	Jun, Dec
002	Arsenic, total recoverable	DAILY MX	report only	Jun, Dec
002	Selenium, total recoverable	MO AVG	report only	Jun, Dec
002	Selenium, total recoverable	DAILY MX	report only	Jun, Dec
002	Thallium, total recoverable	MO AVG	report only	Jun, Dec
002	Thallium, total recoverable	DAILY MX	report only	Jun, Dec
002	Barium, total recoverable	MO AVG	report only	Jun, Dec
002	Barium, total recoverable	DAILY MX	report only	Jun, Dec
002	Beryllium, total [as Be]	MO AVG	report only	Jun, Dec
002	Beryllium, total [as Be]	DAILY MX	report only	Jun, Dec
002	Chromium, total [as Cr]	MO AVG	report only	Jun, Dec
002	Chromium, total [as Cr]	DAILY MX	report only	Jun, Dec
002	Manganese, total [as Mn]	MO AVG	report only	all year
002	Manganese, total [as Mn]	DAILY MX	report only	all year
002	Nickel, total recoverable	MO AVG	report only	Jun, Dec
002	Nickel, total recoverable	DAILY MX	report only	Jun, Dec
002	Zinc, total recoverable	MO AVG	report only	Jun, Dec
002	Zinc, total recoverable	DAILY MX	report only	Jun, Dec
002	Cadmium, total recoverable	MO AVG	report only	Jun, Dec
002	Cadmium, total recoverable	DAILY MX	report only	Jun, Dec
002	Lead, total recoverable	MO AVG	report only	Jun, Dec
002	Lead, total recoverable	DAILY MX	report only	Jun, Dec
002	Copper, total recoverable	MO AVG	report only	Jun, Dec
002	Copper, total recoverable	DAILY MX	report only	Jun, Dec
002	Solids, total dissolved- 180 deg. C	MO AVG	report only	all year
002	Solids, total dissolved- 180 deg. C	DAILY MX	report only	all year
003	Zinc, total recoverable	MO AVG	report only	Mar, Jun, Aug, Dec
003	Zinc, total recoverable	DAILY MX	report only	Mar, Jun, Aug, Dec
003	Aluminum, total recoverable	MO AVG	report only	Mar, Jun, Aug, Dec
003	Aluminum, total recoverable	DAILY MX	report only	Mar, Jun, Aug, Dec
003	Lead, total recoverable	MO AVG	report only	Mar, Jun, Aug, Dec
003	Lead, total recoverable	DAILY MX	report only	Mar, Jun, Aug, Dec