GARDINER AND PARK COUNTY WATER AND SEWER DIST

NPDES permit MT0022705 · Minor POTW · effective, expires 2027-09-30 · 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
6required values missing, on 1 form(s)
18of 55 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (3).

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 (101)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMO AVG report only all year
001Temperature, water deg. centigradeDAILY MX report only all year
001Flow rateMO AVG report only all year
001Flow rateDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CMX WK AV <= 45 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CMX WK AV report only all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 45 mg/L all year
001Solids, total suspendedMX WK AV <= 65 mg/L all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedMX WK AV report only all year
001Solids, total suspendedMO AVG report only all year
001Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, total [as N]MO AVG 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, Kjeldahl, total [as N]MO AVG report only all year
001Nitrogen, Kjeldahl, 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
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
001Arsenic, total recoverableMO AVG report only all year
001Arsenic, total recoverableDAILY MX report only all year
001Cadmium, total recoverableMO AVG report only all year
001Cadmium, total recoverableDAILY MX report only all year
001Copper, total recoverableMO AVG report only all year
001Copper, total recoverableDAILY MX report only all year
001E. coli, MTEC-MFMOAV GEO <= 630 #/100mL Jan, Feb, Mar, Nov, Dec
001E. coli, MTEC-MFMOAV GEO <= 126 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001E. coli, MTEC-MFMX WK AV <= 1260 #/100mL Jan, Feb, Mar, Nov, Dec
001E. coli, MTEC-MFMX WK AV <= 252 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, percent removalMINIMUM >= 85 % all year
001Solids, suspended percent removalMINIMUM >= 65 % all year
001Oil and grease visualVALUE report only all year
002Temperature, water deg. centigradeMO AVG report only all year
002Temperature, water deg. centigradeDAILY MX report only all year
002Flow rateMO AVG report only all year
002Flow rateDAILY MX report only all year
002BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
002BOD, 5-day, 20 deg. CMX WK AV <= 45 mg/L all year
002BOD, 5-day, 20 deg. CMO AVG report only all year
002BOD, 5-day, 20 deg. CMX WK AV report only all year
002BOD, 5-day, 20 deg. CMO AVG report only all year
002pHDAILY MN >= 6 SU all year
002pHDAILY MX <= 9 SU all year
002Solids, total suspendedMO AVG <= 45 mg/L all year
002Solids, total suspendedMX WK AV <= 65 mg/L all year
002Solids, total suspendedMO AVG report only all year
002Solids, total suspendedMX WK AV report only all year
002Solids, total suspendedMO AVG report only all year
002Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
002Nitrogen, total [as N]MO AVG report only all year
002Nitrogen, total [as N]DAILY MX report only all year
002Nitrogen, total [as N]MO AVG report only all year
002Nitrogen, ammonia total [as N]MO AVG report only all year
002Nitrogen, ammonia total [as N]DAILY MX report only all year
002Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
002Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
002Nitrite + Nitrate total [as N]MO AVG report only all year
002Nitrite + Nitrate total [as N]DAILY MX report only all year
002Phosphorus, total [as P]MO AVG report only all year
002Phosphorus, total [as P]DAILY MX report only all year
002Phosphorus, total [as P]MO AVG report only all year
002Arsenic, total recoverableMO AVG report only all year
002Arsenic, total recoverableDAILY MX report only all year
002Cadmium, total recoverableMO AVG report only all year
002Cadmium, total recoverableDAILY MX report only all year
002Copper, total recoverableMO AVG report only all year
002Copper, total recoverableDAILY MX report only all year
002E. coli, MTEC-MFMOAV GEO <= 630 #/100mL Jan, Feb, Mar, Nov, Dec
002E. coli, MTEC-MFMOAV GEO <= 126 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
002E. coli, MTEC-MFMX WK AV <= 1260 #/100mL Jan, Feb, Mar, Nov, Dec
002E. coli, MTEC-MFMX WK AV <= 252 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
002BOD, 5-day, percent removalMINIMUM >= 85 % all year
002Solids, suspended percent removalMINIMUM >= 65 % all year
002Oil and grease visualVALUE report only all year
RIVTemperature, water deg. centigradeMINIMUM report only all year
RIVTemperature, water deg. centigradeMAXIMUM report only all year
RIVpHMINIMUM report only all year
RIVpHMAXIMUM report only all year
RIVNitrogen, total [as N]SINGSAMP report only Jul, Aug, Sep
RIVNitrogen, ammonia total [as N]SINGSAMP report only all year
RIVNitrogen, Kjeldahl, total [as N]SINGSAMP report only Jul, Aug, Sep
RIVNitrite + Nitrate total [as N]SINGSAMP report only Jul, Aug, Sep
RIVPhosphorus, total [as P]SINGSAMP report only Jul, Aug, Sep
RIVHardness, total [as CaCO3]SINGSAMP report only all year
RIVArsenic, total recoverableSINGSAMP report only all year
RIVCadmium, total recoverableSINGSAMP report only all year
RIVCopper, total recoverableSINGSAMP report only all year
SUMBOD, 5-day, 20 deg. CMO AVG <= 117 lb/d all year
SUMBOD, 5-day, 20 deg. CMX WK AV <= 176 lb/d all year
SUMSolids, total suspendedMO AVG <= 176 lb/d all year
SUMSolids, total suspendedMX WK AV <= 254 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