CITY OF WAVERLY

NPDES permit IA0033197 · Major POTW · effective, expires 2031-08-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

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

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

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 (63)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspended30DA AVG <= 30 mg/L all year
001Solids, total suspended7 DA AVG <= 45 mg/L all year
001Solids, total suspended30DA AVG <= 806 lb/d all year
001Solids, total suspended7 DA AVG <= 1208 lb/d all year
001Nitrogen, total [as N]30DA AVG <= 473.3 lb/d all year
001Nitrogen, total [as N]DAILY MX <= 774.7 lb/d all year
001Nitrogen, ammonia total [as N]30DA AVG <= 26 mg/L Jan
001Nitrogen, ammonia total [as N]30DA AVG <= 25.2 mg/L Mar
001Nitrogen, ammonia total [as N]30DA AVG <= 18 mg/L Aug
001Nitrogen, ammonia total [as N]30DA AVG <= 20 mg/L Sep
001Nitrogen, ammonia total [as N]30DA AVG <= 23.6 mg/L Jun
001Nitrogen, ammonia total [as N]30DA AVG <= 23.9 mg/L Oct
001Nitrogen, ammonia total [as N]30DA AVG <= 24.5 mg/L May
001Nitrogen, ammonia total [as N]30DA AVG <= 19 mg/L Jul
001Nitrogen, ammonia total [as N]30DA AVG <= 26.5 mg/L Feb
001Nitrogen, ammonia total [as N]30DA AVG <= 22.6 mg/L Nov
001Nitrogen, ammonia total [as N]30DA AVG <= 24.3 mg/L Dec
001Nitrogen, ammonia total [as N]30DA AVG <= 23.9 mg/L Apr
001Nitrogen, ammonia total [as N]DAILY MX <= 26 mg/L Jan
001Nitrogen, ammonia total [as N]DAILY MX <= 25.2 mg/L Mar
001Nitrogen, ammonia total [as N]DAILY MX <= 25.8 mg/L Aug
001Nitrogen, ammonia total [as N]DAILY MX <= 25 mg/L Sep
001Nitrogen, ammonia total [as N]DAILY MX <= 23.6 mg/L Jun
001Nitrogen, ammonia total [as N]DAILY MX <= 23.9 mg/L Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 24.5 mg/L May
001Nitrogen, ammonia total [as N]DAILY MX <= 27.6 mg/L Jul
001Nitrogen, ammonia total [as N]DAILY MX <= 26.5 mg/L Feb
001Nitrogen, ammonia total [as N]DAILY MX <= 22.6 mg/L Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 24.3 mg/L Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 23.9 mg/L Apr
001Nitrogen, ammonia total [as N]30DA AVG <= 531.1 lb/d Jan
001Nitrogen, ammonia total [as N]30DA AVG <= 453.4 lb/d Mar
001Nitrogen, ammonia total [as N]30DA AVG <= 213.3 lb/d Aug
001Nitrogen, ammonia total [as N]30DA AVG <= 236.5 lb/d Sep
001Nitrogen, ammonia total [as N]30DA AVG <= 294 lb/d Jun
001Nitrogen, ammonia total [as N]30DA AVG <= 350.2 lb/d Oct
001Nitrogen, ammonia total [as N]30DA AVG <= 389.8 lb/d May
001Nitrogen, ammonia total [as N]30DA AVG <= 224.8 lb/d Jul
001Nitrogen, ammonia total [as N]30DA AVG <= 519.5 lb/d Feb
001Nitrogen, ammonia total [as N]30DA AVG <= 488.2 lb/d Nov
001Nitrogen, ammonia total [as N]30DA AVG <= 527.9 lb/d Dec
001Nitrogen, ammonia total [as N]30DA AVG <= 340.9 lb/d Apr
001Nitrogen, ammonia total [as N]DAILY MX <= 531.1 lb/d Jan
001Nitrogen, ammonia total [as N]DAILY MX <= 514.3 lb/d Mar
001Nitrogen, ammonia total [as N]DAILY MX <= 548.2 lb/d Aug
001Nitrogen, ammonia total [as N]DAILY MX <= 544.8 lb/d Sep
001Nitrogen, ammonia total [as N]DAILY MX <= 493.1 lb/d Jun
001Nitrogen, ammonia total [as N]DAILY MX <= 519.9 lb/d Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 515.8 lb/d May
001Nitrogen, ammonia total [as N]DAILY MX <= 591.1 lb/d Jul
001Nitrogen, ammonia total [as N]DAILY MX <= 519.5 lb/d Feb
001Nitrogen, ammonia total [as N]DAILY MX <= 488.2 lb/d Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 527.9 lb/d Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 519.7 lb/d Apr
001E. coliGEO MEAN <= 126 #/100mL Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
001Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 1 N=0;Y=1 all year
001Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX <= 1 N=0;Y=1 all year
001BOD, carbonaceous [5 day, 20 C]30DA AVG <= 25 mg/L all year
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 40 mg/L all year
001BOD, carbonaceous [5 day, 20 C]30DA AVG <= 671 lb/d all year
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 1074 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