CITY OF WHITEFISH — NPDES permit MT0030414: limits, due date and EPA's record

NPDES permit MT0030414 · Minor POTW · administratively continued, expires 2024-02-29 · EPA's file as of 2026-09-19

Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

This permit expired on 2024-02-29 and is administratively continued: 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 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (16)

Outfall	Parameter	Statistic	Limit	Months
002	Flow rate	MO AVG	report only	all year
002	Flow rate	DAILY MX	report only	all year
002	Turbidity	MO AVG	report only	all year
002	Turbidity	DAILY MX	<= 1 NTU	all year
002	Turbidity	MO AVG	report only	all year
002	Turbidity	DAILY MX	report only	all year
002	pH	INST MIN	>= 6 SU	all year
002	pH	INST MAX	<= 9 SU	all year
002	Aluminum, dissolved [as Al]	MO AVG	report only	all year
002	Aluminum, dissolved [as Al]	DAILY MX	<= .75 mg/L	all year
002	Aluminum, dissolved [as Al]	MO AVG	report only	all year
002	Aluminum, dissolved [as Al]	DAILY MX	<= .4 lb/d	all year
002	Aluminum, dissolved [as Al]	QRTR AVG	report only	all year
002	Chlorine, total residual	MO AVG	<= .1 mg/L	all year
002	Chlorine, total residual	DAILY MX	<= .1 mg/L	all year
002	Duration of discharge	VALUE	report only	all year