GRAYMONT WESTERN US INC

NPDES permit WA0001007 · Minor NON-POTW · effective, expires 2026-12-31 · EPA's file as of 2026-09-19

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

0values over a limit

1required values missing, on 1 form(s)

0of 14 forms filed late

Last period with anything received: 2026-06-30.

Reports are due about 15 days after each monitoring period ends (the most common figure among WA permits in EPA's filings — check your permit).

Outfall 001, form MQ (Monthly DMR for Flow): every 3 month(s), 2 values
Outfall 001, form QQ (DMR Quarterly): files for periods ending in Mar, Jun, Sep, Dec

Outfall	Parameter	Statistic	Limit	Months
001	Temperature, water deg. centigrade	DAILY MX	report only (alert)	all year
001	pH	DAILY MN	>= 6 SU	all year
001	pH	DAILY MX	<= 9 SU	all year
001	Solids, total dissolved	MO AVG	<= 25 mg/L	all year
001	Mercury, total [as Hg]	DAILY MX	report only (alert)	all year
001	Flow	DAILY MX	report only (alert)	all year
001	Flow	MO AVG	report only (alert)	all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states