St. Mary River near Babb MT

St. Mary River MT USGS

St. Mary River near Babb MT (05017500) is a real-time river monitoring station on the St. Mary River in MT, operated by the U.S. Geological Survey. Riverbot tracks its river conditions, including water level, and streamflow and publishes a 7-day flow forecast when flow data is available. 4 fish species are associated with this station in public fish records.

USGS site number
05017500
Operated by
U.S. Geological Survey
State
MT
Coordinates
48.8330, -113.4207

Live conditions & history

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7-day weather

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Fishing regulations

Central District zone default

Species regulated in this area

These are species and groups covered by the applicable area rules, not a claim that they occur at this station.

Default rules for this area. A grey row means the current season status is not confirmed by this release.

Central District zone default only. Water-specific, national-park, sanctuary, licence, and in-season exceptions may apply.

Effective Jan 1, 2026 – Sep 14, 2027 · evaluated for 2026-10-26 in America/Denver

Regulations shown are for reference only and may not reflect in-season changes. Always verify current regulations with the Montana Fishing Regulations before fishing.

Fish recorded near this station

Community observations nearby

St. Mary River Near Babb Mt has 4 fish species documented via iNaturalist research-grade observations within 10 km. These community-sourced records indicate fish presence in the vicinity.

Species include: Mountain Whitefish (Prosopium williamsoni), Longnose Dace (Rhinichthys cataractae), Bull Trout (Salvelinus confluentus), Brook Trout (Salvelinus fontinalis).

Where these records come from

Evidence
Community observations nearby
Research-grade community observations (iNaturalist) recorded near this station, not a formal survey.
Records
4 species
from 7 individual records
Observed
Aug 9, 2022 – Jul 15, 2026
7 dated records

Sources