CNX Marine Terminals, Inc. — NPDES permit MD0055824: limits, due date and EPA's record

NPDES permit MD0055824 · Minor NON-POTW · administratively continued, expires 2026-07-31 · EPA's file as of 2026-09-19

This permit expired on 2026-07-31 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (192)

Outfall	Parameter	Statistic	Limit	Months
002	pH	MINIMUM	>= 6 SU	all year
002	pH	MINIMUM	>= 6 SU	all year
002	pH	MAXIMUM	<= 9 SU	all year
002	pH	MAXIMUM	<= 9 SU	all year
002	Solids, total suspended	MO AVG	<= 30 mg/L	all year
002	Solids, total suspended	MO AVG	<= 30 mg/L	all year
002	Solids, total suspended	DAILY MX	<= 50 mg/L	all year
002	Solids, total suspended	DAILY MX	<= 50 mg/L	all year
002	Solids, total suspended	ANNL MAX	<= 6420 lb/yr	all year
002	Solids, total suspended	ANNL MAX	<= 6420 lb/yr	all year
002	Solids, total suspended	MY	report only	all year
002	Solids, total suspended	MY	report only	all year
002	Oil & Grease	MO AVG	report only	all year
002	Oil & Grease	MO AVG	report only	all year
002	Oil & Grease	DAILY MX	<= 15 mg/L	all year
002	Oil & Grease	DAILY MX	<= 15 mg/L	all year
002	Cadmium, dissolved [as Cd]	MO AVG	report only	all year
002	Cadmium, dissolved [as Cd]	MO AVG	report only	all year
002	Cadmium, dissolved [as Cd]	DAILY MX	report only	all year
002	Cadmium, dissolved [as Cd]	DAILY MX	report only	all year
002	Cadmium, total [as Cd]	MO AVG	report only	all year
002	Cadmium, total [as Cd]	MO AVG	report only	all year
002	Cadmium, total [as Cd]	DAILY MX	<= 40 ug/L	all year
002	Cadmium, total [as Cd]	DAILY MX	<= 40 ug/L	all year
002	Copper, dissolved [as Cu]	MO AVG	report only	all year
002	Copper, dissolved [as Cu]	MO AVG	report only	all year
002	Copper, dissolved [as Cu]	DAILY MX	report only	all year
002	Copper, dissolved [as Cu]	DAILY MX	report only	all year
002	Copper, total [as Cu]	MO AVG	report only	all year
002	Copper, total [as Cu]	MO AVG	report only	all year
002	Copper, total [as Cu]	DAILY MX	<= 9.2 ug/L	all year
002	Copper, total [as Cu]	DAILY MX	<= 9.2 ug/L	all year
002	Nickel, dissolved [as Ni]	MO AVG	report only	all year
002	Nickel, dissolved [as Ni]	MO AVG	report only	all year
002	Nickel, dissolved [as Ni]	DAILY MX	report only	all year
002	Nickel, dissolved [as Ni]	DAILY MX	report only	all year
002	Nickel, total [as Ni]	MO AVG	report only	all year
002	Nickel, total [as Ni]	MO AVG	report only	all year
002	Nickel, total [as Ni]	DAILY MX	<= 111 ug/L	all year
002	Nickel, total [as Ni]	DAILY MX	<= 111 ug/L	all year
002	Zinc, dissolved [as Zn]	MO AVG	report only	all year
002	Zinc, dissolved [as Zn]	MO AVG	report only	all year
002	Zinc, dissolved [as Zn]	DAILY MX	report only	all year
002	Zinc, dissolved [as Zn]	DAILY MX	report only	all year
002	Zinc, total [as Zn]	MO AVG	report only	all year
002	Zinc, total [as Zn]	MO AVG	report only	all year
002	Zinc, total [as Zn]	DAILY MX	<= 90 ug/L	all year
002	Zinc, total [as Zn]	DAILY MX	<= 90 ug/L	all year
002	Selenium, dissolved [as Se]	MO AVG	report only	all year
002	Selenium, dissolved [as Se]	MO AVG	report only	all year
002	Selenium, dissolved [as Se]	DAILY MX	report only	all year
002	Selenium, dissolved [as Se]	DAILY MX	report only	all year
002	Selenium, total [as Se]	MO AVG	report only	all year
002	Selenium, total [as Se]	MO AVG	report only	all year
002	Selenium, total [as Se]	DAILY MX	<= 290 ug/L	all year
002	Selenium, total [as Se]	DAILY MX	<= 290 ug/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	MO AVG	report only	all year
002	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
002	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
002	Chlorine, total residual	MO AVG	report only	all year
002	Chlorine, total residual	MO AVG	report only	all year
002	Chlorine, total residual	DAILY MX	report only	all year
002	Chlorine, total residual	DAILY MX	report only	all year
003	pH	MINIMUM	>= 6 SU	all year
003	pH	MINIMUM	>= 6 SU	all year
003	pH	MAXIMUM	<= 9 SU	all year
003	pH	MAXIMUM	<= 9 SU	all year
003	Solids, total suspended	MO AVG	<= 30 mg/L	all year
003	Solids, total suspended	MO AVG	<= 30 mg/L	all year
003	Solids, total suspended	DAILY MX	<= 50 mg/L	all year
003	Solids, total suspended	DAILY MX	<= 50 mg/L	all year
003	Solids, total suspended	ANNL MAX	<= 6420 lb/yr	all year
003	Solids, total suspended	ANNL MAX	<= 6420 lb/yr	all year
003	Solids, total suspended	MY	report only	all year
003	Solids, total suspended	MY	report only	all year
003	Oil & Grease	MO AVG	report only	all year
003	Oil & Grease	MO AVG	report only	all year
003	Oil & Grease	DAILY MX	<= 15 mg/L	all year
003	Oil & Grease	DAILY MX	<= 15 mg/L	all year
003	Cadmium, dissolved [as Cd]	MO AVG	report only	all year
003	Cadmium, dissolved [as Cd]	MO AVG	report only	all year
003	Cadmium, dissolved [as Cd]	DAILY MX	report only	all year
003	Cadmium, dissolved [as Cd]	DAILY MX	report only	all year
003	Cadmium, total [as Cd]	MO AVG	report only	all year
003	Cadmium, total [as Cd]	MO AVG	report only	all year
003	Cadmium, total [as Cd]	DAILY MX	<= 40 ug/L	all year
003	Cadmium, total [as Cd]	DAILY MX	<= 40 ug/L	all year
003	Copper, dissolved [as Cu]	MO AVG	report only	all year
003	Copper, dissolved [as Cu]	MO AVG	report only	all year
003	Copper, dissolved [as Cu]	DAILY MX	report only	all year
003	Copper, dissolved [as Cu]	DAILY MX	report only	all year
003	Copper, total [as Cu]	MO AVG	report only	all year
003	Copper, total [as Cu]	MO AVG	report only	all year
003	Copper, total [as Cu]	DAILY MX	<= 9.2 ug/L	all year
003	Copper, total [as Cu]	DAILY MX	<= 9.2 ug/L	all year
003	Nickel, dissolved [as Ni]	MO AVG	report only	all year
003	Nickel, dissolved [as Ni]	MO AVG	report only	all year
003	Nickel, dissolved [as Ni]	DAILY MX	report only	all year
003	Nickel, dissolved [as Ni]	DAILY MX	report only	all year
003	Nickel, total [as Ni]	MO AVG	report only	all year
003	Nickel, total [as Ni]	MO AVG	report only	all year
003	Nickel, total [as Ni]	DAILY MX	<= 111 ug/L	all year
003	Nickel, total [as Ni]	DAILY MX	<= 111 ug/L	all year
003	Zinc, dissolved [as Zn]	MO AVG	report only	all year
003	Zinc, dissolved [as Zn]	MO AVG	report only	all year
003	Zinc, dissolved [as Zn]	DAILY MX	report only	all year
003	Zinc, dissolved [as Zn]	DAILY MX	report only	all year
003	Zinc, total [as Zn]	MO AVG	report only	all year
003	Zinc, total [as Zn]	MO AVG	report only	all year
003	Zinc, total [as Zn]	DAILY MX	<= 90 ug/L	all year
003	Zinc, total [as Zn]	DAILY MX	<= 90 ug/L	all year
003	Selenium, dissolved [as Se]	MO AVG	report only	all year
003	Selenium, dissolved [as Se]	MO AVG	report only	all year
003	Selenium, dissolved [as Se]	DAILY MX	report only	all year
003	Selenium, dissolved [as Se]	DAILY MX	report only	all year
003	Selenium, total [as Se]	MO AVG	report only	all year
003	Selenium, total [as Se]	MO AVG	report only	all year
003	Selenium, total [as Se]	DAILY MX	<= 290 ug/L	all year
003	Selenium, total [as Se]	DAILY MX	<= 290 ug/L	all year
003	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
003	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
003	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
003	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
003	Chlorine, total residual	MO AVG	report only	all year
003	Chlorine, total residual	MO AVG	report only	all year
003	Chlorine, total residual	DAILY MX	report only	all year
003	Chlorine, total residual	DAILY MX	report only	all year
004	pH	MINIMUM	>= 6 SU	all year
004	pH	MINIMUM	>= 6 SU	all year
004	pH	MAXIMUM	<= 9 SU	all year
004	pH	MAXIMUM	<= 9 SU	all year
004	Solids, total suspended	MO AVG	<= 30 mg/L	all year
004	Solids, total suspended	MO AVG	<= 30 mg/L	all year
004	Solids, total suspended	DAILY MX	<= 50 mg/L	all year
004	Solids, total suspended	DAILY MX	<= 50 mg/L	all year
004	Solids, total suspended	ANNL MAX	<= 6420 lb/yr	all year
004	Solids, total suspended	ANNL MAX	<= 6420 lb/yr	all year
004	Solids, total suspended	MY	report only	all year
004	Solids, total suspended	MY	report only	all year
004	Oil & Grease	MO AVG	report only	all year
004	Oil & Grease	MO AVG	report only	all year
004	Oil & Grease	DAILY MX	<= 15 mg/L	all year
004	Oil & Grease	DAILY MX	<= 15 mg/L	all year
004	Cadmium, dissolved [as Cd]	MO AVG	report only	all year
004	Cadmium, dissolved [as Cd]	MO AVG	report only	all year
004	Cadmium, dissolved [as Cd]	DAILY MX	report only	all year
004	Cadmium, dissolved [as Cd]	DAILY MX	report only	all year
004	Cadmium, total [as Cd]	MO AVG	report only	all year
004	Cadmium, total [as Cd]	MO AVG	report only	all year
004	Cadmium, total [as Cd]	DAILY MX	<= 40 ug/L	all year
004	Cadmium, total [as Cd]	DAILY MX	<= 40 ug/L	all year
004	Copper, dissolved [as Cu]	MO AVG	report only	all year
004	Copper, dissolved [as Cu]	MO AVG	report only	all year
004	Copper, dissolved [as Cu]	DAILY MX	report only	all year
004	Copper, dissolved [as Cu]	DAILY MX	report only	all year
004	Copper, total [as Cu]	MO AVG	report only	all year
004	Copper, total [as Cu]	MO AVG	report only	all year
004	Copper, total [as Cu]	DAILY MX	<= 9.2 ug/L	all year
004	Copper, total [as Cu]	DAILY MX	<= 9.2 ug/L	all year
004	Nickel, dissolved [as Ni]	MO AVG	report only	all year
004	Nickel, dissolved [as Ni]	MO AVG	report only	all year
004	Nickel, dissolved [as Ni]	DAILY MX	report only	all year
004	Nickel, dissolved [as Ni]	DAILY MX	report only	all year
004	Nickel, total [as Ni]	MO AVG	report only	all year
004	Nickel, total [as Ni]	MO AVG	report only	all year
004	Nickel, total [as Ni]	DAILY MX	<= 111 ug/L	all year
004	Nickel, total [as Ni]	DAILY MX	<= 111 ug/L	all year
004	Zinc, dissolved [as Zn]	MO AVG	report only	all year
004	Zinc, dissolved [as Zn]	MO AVG	report only	all year
004	Zinc, dissolved [as Zn]	DAILY MX	report only	all year
004	Zinc, dissolved [as Zn]	DAILY MX	report only	all year
004	Zinc, total [as Zn]	MO AVG	report only	all year
004	Zinc, total [as Zn]	MO AVG	report only	all year
004	Zinc, total [as Zn]	DAILY MX	<= 90 ug/L	all year
004	Zinc, total [as Zn]	DAILY MX	<= 90 ug/L	all year
004	Selenium, dissolved [as Se]	MO AVG	report only	all year
004	Selenium, dissolved [as Se]	MO AVG	report only	all year
004	Selenium, dissolved [as Se]	DAILY MX	report only	all year
004	Selenium, dissolved [as Se]	DAILY MX	report only	all year
004	Selenium, total [as Se]	MO AVG	report only	all year
004	Selenium, total [as Se]	MO AVG	report only	all year
004	Selenium, total [as Se]	DAILY MX	<= 290 ug/L	all year
004	Selenium, total [as Se]	DAILY MX	<= 290 ug/L	all year
004	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
004	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
004	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
004	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
004	Chlorine, total residual	MO AVG	report only	all year
004	Chlorine, total residual	MO AVG	report only	all year
004	Chlorine, total residual	DAILY MX	report only	all year
004	Chlorine, total residual	DAILY MX	report only	all year