Unknown — NPDES permit WA0991024: limits, due date and EPA's record

NPDES permit WA0991024 · Minor NON-POTW · expired, expires 2024-10-31 · EPA's file as of 2026-09-19

This permit expired on 2024-10-31 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

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (38)

Outfall	Parameter	Statistic	Limit	Months
001A	pH, maximum	DAILY MX	<= 9 SU	all year
001A	pH, maximum	DAILY MX	<= 9 SU	all year
001A	pH, minimum	DAILY MN	>= 6 SU	all year
001A	pH, minimum	DAILY MN	>= 6 SU	all year
001A	Flow	DAILY MX	<= 353190 gal/d	all year
001A	Flow	DAILY MX	<= 353190 gal/d	all year
001B	pH, maximum	DAILY MX	<= 12.2 SU	all year
001B	pH, maximum	DAILY MX	<= 12.2 SU	all year
001B	pH, minimum	DAILY MN	>= 4 SU	all year
001B	pH, minimum	DAILY MN	>= 4 SU	all year
001B	Flow	DAILY MX	report only (alert)	all year
001B	Flow	DAILY MX	report only (alert)	all year
001B	Flow	MO AVG	report only (alert)	all year
001B	Flow	MO AVG	report only (alert)	all year
002	Temperature, water deg. fahrenheit	DAILY MX	report only (alert)	all year
002	Temperature, water deg. fahrenheit	DAILY MX	report only (alert)	all year
002	Temperature, water deg. fahrenheit	MO AVG	report only (alert)	all year
002	Temperature, water deg. fahrenheit	MO AVG	report only (alert)	all year
002	Turbidity	Single Rdg	report only (alert)	all year
002	Turbidity	Single Rdg	report only (alert)	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	Nitrogen, ammonia total [as N]	MO AVG	<= 2.3 mg/L	all year
002	Nitrogen, ammonia total [as N]	MO AVG	<= 2.3 mg/L	all year
002	Chloride [as Cl]	MO AVG	<= 259 mg/L	all year
002	Chloride [as Cl]	MO AVG	<= 259 mg/L	all year
002	Iron, total [as Fe]	Single Rdg	report only (alert)	all year
002	Iron, total [as Fe]	Single Rdg	report only (alert)	all year
002	Chlorine, total residual	MO AVG	<= 12.4 ug/L	all year
002	Chlorine, total residual	MO AVG	<= 12.4 ug/L	all year
002	pH, maximum	DAILY MX	<= 9 SU	all year
002	pH, maximum	DAILY MX	<= 9 SU	all year
002	pH, minimum	DAILY MN	>= 6 SU	all year
002	pH, minimum	DAILY MN	>= 6 SU	all year
002	Flow	DAILY MX	report only (alert)	all year
002	Flow	DAILY MX	report only (alert)	all year
002	Flow	MO AVG	report only (alert)	all year
002	Flow	MO AVG	report only (alert)	all year