CITY OF THURMAN

NPDES permit IA0052637 · Minor NON-POTW · administratively continued, expires 2022-12-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2022-12-31 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

0values over a limit
0required values missing, on 0 form(s)
4of 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 (10)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Iron, total [as Fe]30DA AVG <= 1 mg/L all year
001Iron, total [as Fe]DAILY MX <= 1 mg/L all year
001Iron, total [as Fe]30DA AVG <= .05 lb/d all year
001Iron, total [as Fe]DAILY MX <= .05 lb/d all year
001Manganese, total [as Mn]30DA AVG <= 3.386 mg/L all year
001Manganese, total [as Mn]DAILY MX <= 3.386 mg/L all year
001Manganese, total [as Mn]30DA AVG <= .17 lb/d all year
001Manganese, total [as Mn]DAILY MX <= .17 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