BARDON, INC. — NPDES permit DC0000175: limits, due date and EPA's record

NPDES permit DC0000175 · Minor NON-POTW · expired, expires 2025-09-30 · EPA's file as of 2026-09-19

This permit expired on 2025-09-30 and is expired: 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

Last period with anything received: 2026-07-31. Most often over: Toxicity [chronic], Ceriodaphnia dubia (12), Toxicity [chronic], Pimephales promelas [Fathead Minnow] (6), BOD, 5-day, 20 deg. C (3).

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 (30)

Outfall	Parameter	Statistic	Limit	Months
004	BOD, 5-day, 20 deg. C	MO AVG	<= 15 mg/L	all year
004	BOD, 5-day, 20 deg. C	DAILY MX	<= 30 mg/L	all year
004	pH	MINIMUM	>= 6 SU	all year
004	pH	MAXIMUM	<= 8.5 SU	all year
004	Solids, total suspended	MO AVG	<= 23.4 mg/L	all year
004	Solids, total suspended	DAILY MX	<= 46.6 mg/L	all year
004	Oil & Grease	MO AVG	<= 10 mg/L	all year
004	Oil & Grease	DAILY MX	<= 15 mg/L	all year
004	Arsenic, total [as As]	MAXIMUM	<= .14 ug/L (alert)	all year
004	Copper, total [as Cu]	MAXIMUM	<= 8.96 ug/L (alert)	all year
004	Lead, total [as Pb]	MAXIMUM	<= 2.52 ug/L (alert)	all year
004	Zinc, total [as Zn]	MAXIMUM	<= 117.2 ug/L (alert)	all year
004	Polynuclear Aromatic Hydrocarbons [PAHs]	MAXIMUM	<= 610 ug/L (alert)	all year
004	4,4'-DDD	MAXIMUM	<= .00012 ug/L (alert)	all year
004	DDE	MAXIMUM	<= .000018 ug/L (alert)	all year
004	DDT	MAXIMUM	<= .00003 ug/L (alert)	all year
004	Dieldrin	MAXIMUM	<= .0000012 ug/L (alert)	all year
004	Heptachlor epoxide	MAXIMUM	<= .000032 ug/L (alert)	all year
004	Polychlorinated biphenyls [PCBs]	MAXIMUM	<= .000064 ug/L (alert)	all year
004	Flow, in conduit or thru treatment plant	MO AV MN	report only	all year
004	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
004	Chlordane	MAXIMUM	<= .00032 ug/L (alert)	all year
004	Nitrogen, Total	MO AVG	report only (alert)	all year
004	Nitrogen, Total	DAILY MX	report only (alert)	all year
004	Phosphorus, Total	MO AVG	report only (alert)	all year
004	Phosphorus, Total	DAILY MX	report only (alert)	all year
004	Toxicity [chronic], Ceriodaphnia dubia	MO AVG	<= 1.1 toxic	all year
004	Toxicity [chronic], Ceriodaphnia dubia	DAILY MX	<= 1.6 toxic	all year
004	Toxicity [chronic], Pimephales promelas [Fathead Minnow]	MO AVG	<= 1.1 toxic	all year
004	Toxicity [chronic], Pimephales promelas [Fathead Minnow]	DAILY MX	<= 1.6 toxic	all year