CITY OF MISSOURI VALLEY

NPDES permit IA0080454 · Minor NON-POTW · effective, expires 2029-06-30 · EPA's file as of 2026-09-19

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

9values over a limit

6required values missing, on 1 form(s)

1of 12 forms filed late

Last period with anything received: 2026-08-31. Most often over: Iron, total [as Fe] (8), Solids, total suspended (1).

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

Outfall	Parameter	Statistic	Limit	Months
001	pH	DAILY MN	>= 6.4 SU	all year
001	pH	DAILY MX	<= 9 SU	all year
001	Solids, total suspended	30DA AVG	<= 30 mg/L	all year
001	Solids, total suspended	DAILY MX	<= 45 mg/L	all year
001	Iron, total [as Fe]	30DA AVG	<= 1.02 mg/L	all year
001	Iron, total [as Fe]	DAILY MX	<= 1.02 mg/L	all year
001	Iron, total [as Fe]	30DA AVG	<= .791 lb/d	all year
001	Iron, total [as Fe]	DAILY MX	<= .791 lb/d	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