City of Greenfield

NPDES permit MO0055590 · Minor POTW · administratively continued, expires 2024-03-31 · 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.

This permit expired on 2024-03-31 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

6values over a limit
20required values missing, on 10 form(s)
7of 56 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, suspended percent removal (4), E. coli (2).

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (59)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CWKLY AVG <= 65 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 45 mg/L all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedWKLY AVG <= 120 mg/L all year
001Solids, total suspendedMO AVG <= 80 mg/L all year
001Oil and grease [soxhlet extr.] tot.DAILY MX <= 15 mg/L all year
001Oil and grease [soxhlet extr.] tot.MO AVG <= 10 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001E. coli7 DA GEO <= 1030 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001E. coli30DA GM <= 206 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001FreeboardMO TOTAL report only all year
001Toxicity [acute], Ceriodaphnia dubiaDAILY MX report only all year
001Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX report only all year
001Precipitation volumeTOTAL report only all year
001Precipitation volumeMO TOTAL report only all year
001BOD, 5-day, percent removalMO AV MN >= 65 % all year
001Solids, suspended percent removalMO AV MN >= 65 % all year
003Application rate area sprayedTOTAL report only all year
003Application rate area sprayedMO TOTAL report only all year
003Application rate, gallons spray irrigationTOTAL report only all year
003Application rate, gallons spray irrigationMO TOTAL report only all year
003Spray irrigationTOTAL report only all year
003Spray irrigationMO TOTAL report only all year
003Spray irrigation, application rateTOTAL report only all year
003Spray irrigation, application rateMO TOTAL report only all year
004Application rate area sprayedTOTAL report only all year
004Application rate area sprayedMO TOTAL report only all year
004Application rate, gallons spray irrigationTOTAL report only all year
004Application rate, gallons spray irrigationMO TOTAL report only all year
004Spray irrigationTOTAL report only all year
004Spray irrigationMO TOTAL report only all year
004Spray irrigation, application rateTOTAL report only all year
004Spray irrigation, application rateMO TOTAL report only all year
SM1Nitrogen, ammonia total [as N]DAILY MX report only all year
SM1Nitrogen, ammonia total [as N]MO AVG report only all year
SM1Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
SM1Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
SM1Nitrite + Nitrate total [as N]DAILY MX report only all year
SM1Nitrite + Nitrate total [as N]MO AVG report only all year
SM1Phosphorus, total [as P]DAILY MX report only all year
SM1Phosphorus, total [as P]MO AVG 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