ST. JOSEPH RIVER AT THREE RIVERS, MI

ST. JOSEPH RIVER MI USGS

ST. JOSEPH RIVER AT THREE RIVERS, MI (04097500) is a real-time streamflow monitoring station on the ST. JOSEPH RIVER in MI, operated by the U.S. Geological Survey. Riverbot tracks its streamflow and publishes a 7-day flow forecast so anglers know when conditions line up. 18 fish species are associated with this station in public fish records.

USGS site number
04097500
Operated by
U.S. Geological Survey
State
MI
Coordinates
41.9403, -85.6328

Live conditions & history

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7-day weather

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Fishing regulations

MI state-wide default default

Default area rules for fish in the public records above. A grey row means the release has no canonical regulation match for that species.

MI state-wide default default only. Water-specific, national-park, sanctuary, licence, and in-season exceptions may apply.

Effective Jan 1, 2026 – Sep 14, 2027 · evaluated for 2026-09-11 in America/Detroit

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

Fish recorded near this station

Community observations nearby

St. Joseph River At Three Rivers, Mi has 18 fish species documented via iNaturalist research-grade observations within 10 km. These community-sourced records indicate fish presence in the vicinity.

Species include: Brown Bullhead (Ameiurus nebulosus), Eyetail Bowfin (Amia ocellicauda), Spotfin Shiner (Cyprinella spiloptera), Muskellunge (Esox masquinongy), Greenside Darter (Etheostoma blennioides), and 13 others.

Where these records come from

Evidence
Community observations nearby
Research-grade community observations (iNaturalist) recorded near this station, not a formal survey.
Records
18 species
from 23 individual records
Observed
Sep 3, 2016 – Sep 9, 2024
23 dated records

Sources

🪰 Hatch Calendar

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A month-by-month hatch calendar for this river — which insects are emerging now, hook sizes, and patterns to fish — collected from fly shops and guides who know it.

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