Custom Fabrication & Erection — NPDES permit KY0043117: limits, due date and EPA's record

NPDES permit KY0043117 · Minor NON-POTW · effective, expires 2030-08-31 · 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: Zinc, total recoverable (1).

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 (14)

Outfall	Parameter	Statistic	Limit	Months
002	pH	MINIMUM	>= 6 SU	all year
002	pH	DAILY MX	<= 9 SU	all year
002	Solids, total suspended	MO AVG	report only	all year
002	Solids, total suspended	DAILY MX	<= 60 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	Zinc, total recoverable	DAILY MX	<= 142.46 ug/L	all year
002	Copper, total recoverable	DAILY MX	<= 16.97 ug/L	all year
002	Oil and grease	MO AVG	report only	all year
002	Oil and grease	DAILY MX	<= 15 mg/L	all year
002	Surfactants [MBAS]	MO AVG	report only	all year
002	Surfactants [MBAS]	DAILY MX	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