Symes Hot Springs Hotel and Mineral Bath

NPDES permit MT0030619 · Minor NON-POTW · administratively continued, expires 2025-07-31 · 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.

This permit expired on 2025-07-31 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

4values over a limit
0required values missing, on 0 form(s)
0of 33 forms filed late

Last period with anything received: 2026-07-31. Most often over: pH change [range] (4).

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 (29)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX report only all year
001pHMINIMUM >= 6.5 SU (alert) all year
001pHMAXIMUM <= 9 SU (alert) all year
001Solids, total suspended30DA AVG <= 30 mg/L all year
001Solids, total suspended7 DA AVG <= 45 mg/L all year
001Coliform, fecal - % samples exceeding limitTOTAL report only all year
001E. coli30DA GEO <= 126 #/100mL all year
001E. coli1B <= 252 #/100mL all year
001E. coli exceedancesTOTAL report only all year
001Coliform, fecal general30DA GEO <= 200 #/100mL all year
001Coliform, fecal general1B <= 400 #/100mL all year
001Flow30DA AVG report only all year
001FlowDAILY MX report only all year
DS1Temperature, water deg. fahrenheitDAILY MX report only all year
DS1Temperature, water deg. fahrenheitDAILY MX report only all year
DS1pHMINIMUM >= 6.5 SU all year
DS1pHMINIMUM >= 6.5 SU all year
DS1pHMAXIMUM <= 9 SU all year
DS1pHMAXIMUM <= 9 SU all year
DS1Temp. diff. between up/down stream deg. FVALUE report only all year
DS1Temp. diff. between up/down stream deg. FVALUE report only all year
DS1pH change [range]VALUE <= .5 SU all year
DS1pH change [range]VALUE <= .5 SU all year
US1Temperature, water deg. fahrenheitDAILY MX report only all year
US1Temperature, water deg. fahrenheitDAILY MX report only all year
US1pHMINIMUM >= 6.5 SU all year
US1pHMINIMUM >= 6.5 SU all year
US1pHMAXIMUM <= 9 SU all year
US1pHMAXIMUM <= 9 SU 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