Butte WWTF

NPDES permit NE0139521 · Minor POTW · effective, expires 2028-12-31 · 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)
6of 11 forms filed late

Last period with anything received: 2026-06-30.

Reporting

Reports are due about 27 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (40)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. C7 DA AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. C7 DA AVG report only all year
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX report only all year
001Solids, total suspendedMO AVG <= 80 mg/L all year
001Solids, total suspendedDAILY MX <= 120 mg/L all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only 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 <= 1.12 mg/L Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= .37 mg/L Mar, Apr, May
001Nitrogen, ammonia total [as N]MO AVG <= .17 mg/L Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 2.24 mg/L Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= .76 mg/L Mar, Apr, May
001Nitrogen, ammonia total [as N]DAILY MX <= .34 mg/L Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= .62 kg/d Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= .21 kg/d Mar, Apr, May
001Nitrogen, ammonia total [as N]MO AVG <= .04 kg/d Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 1.24 kg/d Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= .41 kg/d Mar, Apr, May
001Nitrogen, ammonia total [as N]DAILY MX <= .09 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
001E. coli, MTEC-MFMO GEOMN <= 126 #/100mL May, Jun, Jul, Aug, Sep
001E. coli, MTEC-MFMO GEOMN report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
001E. coli, MTEC-MFDAILY MX <= 298 #/100mL May, Jun, Jul, Aug, Sep
001E. coli, MTEC-MFDAILY MX report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Duration of dischargeVALUE report only all year
001Flow, totalVALUE report only all year
INFBOD, 5-day, 20 deg. CVALUE report only 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

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