Auburn WWTF

NPDES permit NE0027774 · Minor POTW · effective, expires 2028-09-30 · 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

3values over a limit
0required values missing, on 0 form(s)
0of 16 forms filed late

Last period with anything received: 2026-06-30. Most often over: Nitrogen, ammonia total [as N] (3).

Reporting

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

Limits in force (79)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspended7 DA AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 84.03 kg/d all year
001Solids, total suspended7 DA AVG <= 126.04 kg/d all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 33.26 mg/L Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 24.23 mg/L Mar, Apr, May
001Nitrogen, ammonia total [as N]MO AVG <= 5.34 mg/L Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 66.73 mg/L Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 48.6 mg/L Mar, Apr, May
001Nitrogen, ammonia total [as N]DAILY MX <= 10.71 mg/L Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 28.71 kg/d Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 25.03 kg/d Mar, Apr, May
001Nitrogen, ammonia total [as N]MO AVG <= 6.32 kg/d Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 57.59 kg/d Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 50.22 kg/d Mar, Apr, May
001Nitrogen, ammonia total [as N]DAILY MX <= 12.68 kg/d Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Arsenic, dissolved [as As]MO AVG report only all year
001Arsenic, dissolved [as As]DAILY MX report only all year
001Cadmium, dissolved [as Cd]MO AVG report only all year
001Cadmium, dissolved [as Cd]DAILY MX report only all year
001Chromium, dissolved [as Cr]MO AVG report only all year
001Chromium, dissolved [as Cr]DAILY MX report only all year
001Copper, dissolved [as Cu]MO AVG report only all year
001Copper, dissolved [as Cu]DAILY MX report only all year
001Lead, dissolved [as Pb]MO AVG report only all year
001Lead, dissolved [as Pb]DAILY MX report only all year
001Nickel, dissolved [as Ni]MO AVG report only all year
001Nickel, dissolved [as Ni]DAILY MX report only all year
001Zinc, dissolved [as Zn]MO AVG report only all year
001Zinc, dissolved [as Zn]DAILY MX report only all year
001Selenium, dissolved [as Se]MO AVG report only all year
001Selenium, dissolved [as Se]DAILY MX report only all year
001E. coli, MTEC-MFMO GEOMN <= 126 #/100mL May, Jun, Jul, Aug, Sep
001E. coli, MTEC-MFDAILY MX <= 298 #/100mL May, Jun, Jul, Aug, Sep
001AtrazineMO AVG report only all year
001AtrazineDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualMO AVG <= .069 mg/L Mar, Apr, May
001Chlorine, total residualMO AVG <= .024 mg/L Jun, Jul, Aug, Sep, Oct
001Chlorine, total residualMO AVG <= .069 mg/L Jan, Feb, Nov, Dec
001Chlorine, total residualDAILY MX <= .138 mg/L Mar, Apr, May
001Chlorine, total residualDAILY MX <= .048 mg/L Jun, Jul, Aug, Sep, Oct
001Chlorine, total residualDAILY MX <= .138 mg/L Jan, Feb, Nov, Dec
001Toxicity [acute], Ceriodaphnia dubiaVALUE <= 1 tox acute all year
001Toxicity [acute], Pimephales promelas [Fathead Minnow]VALUE <= 1 tox acute all year
001Mercury, total [as Hg]MO AVG report only all year
001Mercury, total [as Hg]DAILY MX report only all year
001BOD, carbonaceous [5 day, 20 C]MO 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]MO AVG <= 70.2 kg/d all year
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 112.04 kg/d all year
INFpHVALUE report only all year
INFSolids, total suspendedVALUE report only all year
INFFlow, in conduit or thru treatment plantVALUE report only all year
INFBOD, carbonaceous [5 day, 20 C]VALUE report only all year
SLGpHVALUE report only all year
SLGNitrate nitrogen, dry weightVALUE report only all year
SLGSelenium, sludge, total, dry weight [as Se]VALUE report only all year
SLGArsenic total, dry weight, sludgeVALUE report only all year
SLGMolybdenum, sludge, total, dry weight [as Mo]VALUE report only all year
SLGZinc, sludge, total, dry weight [as Zn]VALUE report only all year
SLGLead, sludge, total, dry weight [as Pb]VALUE report only all year
SLGNickel, sludge, total, dry weight [as Ni]VALUE report only all year
SLGNitrogen, sludge, total, dry weight [as N]VALUE report only all year
SLGMercury, sludge, total, dry weight [as Hg]VALUE report only all year
SLGChromium, sludge, total, dry weight [as Cr]VALUE report only all year
SLGCopper, sludge, total, dry weight [as Cu]VALUE report only all year
SLGCadmium, sludge, total, dry weight [as Cd]VALUE report only all year
SLGSolids, sludge, total, dry weightVALUE report only all year
SLGNitrogen, ammonia, sludge, tot dry wgtVALUE 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