City of Pateros

NPDES permit WA0020559 · Minor POTW · effective, expires 2030-08-31 · EPA's file as of 2026-09-19

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

0values over a limit

0required values missing, on 0 form(s)

0of 1 forms filed late

Last period with anything received: 2025-12-31.

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	Parameter	Statistic	Limit	Months
001	Oil and grease, hexane extr method	Single Rdg	report only (alert)	all year
001	Nitrogen, Kjeldahl, total [as N]	Single Rdg	report only (alert)	all year
001	Nitrite + Nitrate total [as N]	Single Rdg	report only (alert)	all year
001	Phosphorus, total [as P]	Single Rdg	report only (alert)	all year
001	E. coli	Single Rdg	report only (alert)	all year
001	Solids, total dissolved	Single Rdg	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