CITY OF CEDAR RAPIDS

NPDES permit IA0082236 · Minor NON-POTW · administratively continued, expires 2024-05-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2024-05-31 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

1values over a limit
10required values missing, on 5 form(s)
0of 18 forms filed late

Last period with anything received: 2026-05-31. Most often over: Oxygen, dissolved [DO] (1).

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among IA permits in EPA's filings — check your permit).

Limits in force (55)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Oil & Grease30DA AVG <= 10 mg/L all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Propylene glycol, total30DA AVG <= 98 mg/L all year
001Propylene glycol, totalDAILY MX <= 174 mg/L all year
001Ethylene glycol30DA AVG <= 186 mg/L all year
001Ethylene glycolDAILY MX <= 186 mg/L all year
001BOD, carbonaceous [5 day, 20 C]30DA AVG <= 40 mg/L all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 40 mg/L all year
002Oxygen, dissolved [DO]DAILY MN >= 5 mg/L all year
002pHDAILY MN >= 6.5 SU all year
002pHDAILY MX <= 9 SU all year
002Oil & Grease30DA AVG <= 10 mg/L all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Propylene glycol, total30DA AVG <= 101 mg/L all year
002Propylene glycol, totalDAILY MX <= 174 mg/L all year
002Ethylene glycol30DA AVG <= 186 mg/L all year
002Ethylene glycolDAILY MX <= 186 mg/L all year
002BOD, carbonaceous [5 day, 20 C]30DA AVG <= 84 mg/L all year
002BOD, carbonaceous [5 day, 20 C]DAILY MX <= 84 mg/L all year
003Oxygen, dissolved [DO]DAILY MN >= 6.5 mg/L all year
003Oxygen, dissolved [DO]DAILY MX <= 9 mg/L all year
003pHDAILY MN >= 6.5 SU all year
003pHDAILY MX <= 9 SU all year
003Oil & Grease30DA AVG <= 10 mg/L all year
003Oil & GreaseDAILY MX <= 15 mg/L all year
003Propylene glycol, total30DA AVG <= 99 mg/L all year
003Propylene glycol, totalDAILY MX <= 174 mg/L all year
003Depth of pond or reservoir in feet30DA AVG report only all year
003Ethylene glycol30DA AVG <= 186 mg/L all year
003Ethylene glycolDAILY MX <= 186 mg/L all year
003Precipitation volume30DA AVG report only all year
003Precipitation volumeDAILY MX report only all year
003BOD, carbonaceous [5 day, 20 C]30DA AVG <= 75.5 mg/L all year
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 75.5 mg/L all year
003BOD, carbonaceous [5 day, 20 C]30DA AVG <= 75.6 lb/d all year
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 75.6 lb/d all year
004Oxygen, dissolved [DO]DAILY MN >= 5 mg/L all year
004pHDAILY MN >= 6.5 SU all year
004pHDAILY MX <= 9 SU all year
005Oxygen, dissolved [DO]DAILY MN >= 5 mg/L all year
005pHDAILY MN >= 6.5 SU all year
005pHDAILY MX <= 9 SU all year
010Oxygen, dissolved [DO]DAILY MN >= 5 mg/L all year
010pHDAILY MN >= 6.5 SU all year
010pHDAILY MX <= 9 SU all year
010Oil & Grease30DA AVG <= 10 mg/L all year
010Oil & GreaseDAILY MX <= 15 mg/L all year
010Propylene glycol, total30DA AVG <= 98 mg/L all year
010Propylene glycol, totalDAILY MX <= 174 mg/L all year
010Ethylene glycol30DA AVG <= 186 mg/L all year
010Ethylene glycolDAILY MX <= 186 mg/L all year
010BOD, carbonaceous [5 day, 20 C]30DA AVG <= 110 mg/L all year
010BOD, carbonaceous [5 day, 20 C]DAILY MX <= 110 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