FRANKFORT WWTP, CITY OF

NPDES permit IN0022934 · Major POTW · effective, expires 2030-04-30 · 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

2values over a limit
0required values missing, on 0 form(s)
0of 31 forms filed late

Last period with anything received: 2026-08-31. Most often over: E. coli, colony forming units [CFU] (1), Chlorine, total residual (1).

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among IN permits in EPA's filings — check your permit).

Limits in force (85)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]DLYAVMIN >= 6 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Oxygen, dissolved [DO]DLYAVMIN >= 5 mg/L Jan, Feb, Mar, Apr, Dec
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 18 mg/L Jan, Feb, Apr, Dec
001Solids, total suspendedMO AVG <= 12 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Solids, total suspendedMX WK AV <= 27 mg/L Jan, Feb, Apr, Dec
001Solids, total suspendedMX WK AV <= 18 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Solids, total suspendedMO AVG <= 2000 lb/d Jan, Feb, Apr, Dec
001Solids, total suspendedMO AVG <= 1300 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Solids, total suspendedMX WK AV <= 2900 lb/d Jan, Feb, Apr, Dec
001Solids, total suspendedMX WK AV <= 2000 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 1 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MO AVG <= 1.7 mg/L Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]MX WK AV <= 1.5 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MX WK AV <= 2.6 mg/L Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 110 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MO AVG <= 180 lb/d Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]MX WK AV <= 160 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MX WK AV <= 280 lb/d Jan, Feb, Mar, Apr, Dec
001Phosphorus, total [as P]MO AVG <= 1 mg/L all year
001Phosphorus, total [as P]MO AVG report only all year
001Nickel, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Nickel, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Nickel, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Nickel, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Zinc, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Zinc, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Zinc, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Zinc, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Cadmium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Cadmium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Cadmium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Cadmium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Lead, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Lead, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Lead, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Lead, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Chromium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Chromium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Chromium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Chromium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Copper, total recoverableDAILY MX report only all year
001Copper, total recoverableDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Chlorine, total residualMO AVG < .06 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001Chlorine, total residualDAILY MX < .06 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001E. coli, colony forming units [CFU]MO GEO <= 125 CFU/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001E. coli, colony forming units [CFU]DAILY MX <= 235 CFU/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute Apr, Oct
001Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute May, Nov
001Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute May, Nov
001Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 1 tox chronic Apr, Oct
001Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 1 tox chronic May, Nov
001Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 1 tox chronic May, Nov
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute Apr, Oct
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute May, Nov
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute May, Nov
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox chronic Apr, Oct
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox chronic May, Nov
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox chronic May, Nov
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 15 mg/L Jan, Feb, Mar, Apr, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 23 mg/L Jan, Feb, Mar, Apr, Dec
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 15 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 1600 lb/d Jan, Feb, Mar, Apr, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 1100 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 2500 lb/d Jan, Feb, Mar, Apr, Dec
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 1600 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Flow, totalMO TOTAL report only all year
002pHDAILY MN report only all year
002pHDAILY MX report only all year
002Solids, total suspendedMO AVG report only all year
002Solids, total suspendedDAILY MX report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Chlorine, total residualMO AVG < .06 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
002Chlorine, total residualDAILY MX < .06 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
002E. coli, colony forming units [CFU]MO GEO <= 125 CFU/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
002E. coli, colony forming units [CFU]DAILY MX <= 235 CFU/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
002BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
002BOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
002Flow, totalMO TOTAL report only 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