CITY OF DES MOINES

NPDES permit IA0069671 · Minor NON-POTW · effective, expires 2030-08-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file
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.

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

0values over a limit
0required values missing, on 0 form(s)
1of 11 forms filed late

Last period with anything received: 2026-07-31.

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 (16)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6.3 SU all year
001pHDAILY MX <= 9 SU all year
001Iron, total [as Fe]30DA AVG <= 1.74 mg/L all year
001Iron, total [as Fe]DAILY MX <= 1.74 mg/L all year
001Iron, total [as Fe]30DA AVG <= 5.38 lb/d all year
001Iron, total [as Fe]DAILY MX <= 5.38 lb/d all year
0011,2-DichloroethaneDAILY MX <= .002 mg/L all year
001ChloroformDAILY MX <= .007 mg/L all year
0011,1-DichloroethyleneDAILY MX <= .006 mg/L all year
0011,1,1-TrichloroethaneDAILY MX <= .006 mg/L all year
0011,2-DichloroetheneDAILY MX <= 2 mg/L all year
001Vinyl chloride30DA AVG <= .011 mg/L all year
001Vinyl chlorideDAILY MX <= .011 mg/L all year
001Vinyl chloride30DA AVG <= .044 lb/d all year
001Vinyl chlorideDAILY MX <= .044 lb/d all year
001TrichloroetheneDAILY MX <= .28 mg/L 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