CITY OF HAVRE

NPDES permit MT0022535 · Major POTW · administratively continued, expires 2026-08-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2026-08-31 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

0values over a limit
0required values missing, on 0 form(s)
6of 25 forms filed late

Last period with anything received: 2026-07-31.

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 (50)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMO AVG report only all year
001Temperature, water deg. centigradeDAILY MX report only all year
001Temperature, water deg. centigradeMINIMUM report only all year
001Temperature, water deg. centigradeMAXIMUM report only all year
001Flow rateMO AVG report only all year
001Flow rateDAILY MX report only all year
001Flow rateMO AVG report only all year
001Flow rateDAILY MX report only all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedMX WK AV <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 450 lb/d all year
001Solids, total suspendedMX WK AV <= 676 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Oil & GreaseMO MAX <= 10 mg/L all year
001Oil & GreaseDAILY MX <= 10 mg/L all year
001Nitrogen, total [as N]MO AVG report only Jun, Jul, Aug, Sep
001Nitrogen, total [as N]MO AVG report only Jun, Jul, Aug, Sep
001Nitrogen, total [as N]SINGSAMP report only Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]SINGSAMP report only all year
001Nitrogen, Kjeldahl, total [as N]MO AVG report only Jun, Jul, Aug, Sep
001Nitrogen, Kjeldahl, total [as N]SINGSAMP report only Jun, Jul, Aug, Sep
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]SINGSAMP report only all year
001Phosphorus, total [as P]MO AVG report only Jun, Jul, Aug, Sep
001Phosphorus, total [as P]MO AVG report only Jun, Jul, Aug, Sep
001Phosphorus, total [as P]SINGSAMP report only Jun, Jul, Aug, Sep
001Hardness, total [as CaCO3]SINGSAMP report only all year
001Selenium, total recoverableMO AVG report only all year
001Selenium, total recoverableSINGSAMP report only all year
001Copper, total recoverableMO AVG report only all year
001Copper, total recoverableSINGSAMP report only all year
001E. coli, MTEC-MFMOAV GEO report only 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 report only Jan, Feb, Mar, Nov, Dec
001E. coli, MTEC-MFMX WK AV <= 252 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 40 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 375 lb/d all year
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 600 lb/d all year
001BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
001BOD, carbonaceous, percent removalMINIMUM >= 85 % all year
001Solids, suspended percent removalMINIMUM >= 85 % all year
001Oil and grease visualVALUE report only all year
001Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubiaVALUE <= 0 pass=0;fail=1 all year
001Pass/Fail Static Renewal 7Day Chronic Pimephales promelasVALUE <= 0 pass=0;fail=1 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