CITY OF DEER LODGE

NPDES permit MT0022616 · Major POTW · administratively continued, expires 2018-02-28 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2018-02-28 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)
0of 17 forms filed late

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

Reporting

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

Limits in force (44)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigrade30DA AVG report only all year
001Temperature, water deg. centigradeDAILY MX report only all year
001Flow rate30DA AVG report only all year
001Flow rateDAILY MX report only all year
001Flow rate30DA AVG report only all year
001Flow rateDAILY MX report only all year
001BOD, 5-day, 20 deg. C30DA AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. C7 DA AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. C30DA AVG <= 375 lb/d all year
001BOD, 5-day, 20 deg. C7 DA AVG <= 563 lb/d all year
001BOD, 5-day, 20 deg. C30DA AVG report only all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspended30DA AVG <= 45 mg/L all year
001Solids, total suspended7 DA AVG <= 65 mg/L all year
001Solids, total suspended30DA AVG <= 563 lb/d all year
001Solids, total suspended7 DA AVG <= 813 lb/d all year
001Solids, total suspended30DA AVG report only all year
001Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
001Nitrogen, total [as N]30DA AVG report only all year
001Nitrogen, total [as N]30DA AVG report only all year
001Nitrogen, ammonia total [as N]30DA AVG <= 1.2 mg/L all year
001Nitrogen, ammonia total [as N]7 DA AVG <= 2 mg/L all year
001Nitrogen, Kjeldahl, total [as N]30DA AVG report only all year
001Nitrite + Nitrate total [as N]30DA AVG report only all year
001Phosphorus, total [as P]30DA AVG report only all year
001Phosphorus, total [as P]30DA AVG report only all year
001Cyanide, total [as CN]30DA AVG report only all year
001Cyanide, total [as CN]QRTR AVG report only all year
001Arsenic, total recoverableDAILY MX <= 10 ug/L all year
001Copper, total recoverable30DA AVG <= 14 ug/L all year
001Copper, total recoverableDAILY MX <= 28 ug/L all year
001Copper, total recoverableQRTR AVG report only all year
001E. coli, MTEC-MF30DA GEO <= 126 CFU/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001E. coli, MTEC-MF30DA GEO <= 630 CFU/100mL Jan, Feb, Mar, Nov, Dec
001E. coli, MTEC-MF7I <= 252 CFU/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001E. coli, MTEC-MF7I <= 1260 CFU/100mL Jan, Feb, Mar, Nov, Dec
001Mercury, total recoverable30DA AVG report only all year
001Mercury, total recoverableQRTR AVG report only all year
001BOD, 5-day, percent removalMINIMUM >= 85 % all year
001Solids, suspended percent removalMINIMUM >= 65 % all year
001Oil and grease visualVALUE <= 0 N=0;Y=1 all year
001Pass/Fail Static 48Hr Acute Ceriodaphnia dubiaVALUE <= 0 pass=0;fail=1 all year
001Pass/Fail Static Renewal 96Hr Acute 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