GRAND RIVER AT JACKSON, MI

GRAND RIVER MI USGS

GRAND RIVER AT JACKSON, MI (04109000) is a real-time streamflow monitoring station on the GRAND RIVER in MI, operated by the U.S. Geological Survey. Riverbot tracks its streamflow and alerts anglers the moment flow and temperature hit their fishing window. 22 fish species are associated with this station in public fish records.

USGS site number
04109000
Operated by
U.S. Geological Survey
State
MI
Coordinates
42.2836, -84.4088

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

Grand River At Jackson, Mi has 22 fish species documented via iNaturalist research-grade observations within 10 km. These community-sourced records indicate fish presence in the vicinity.

Species include: Yellow Bullhead (Ameiurus natalis), Mottled Sculpin (Cottus bairdii), Spotfin Shiner (Cyprinella spiloptera), European Carp (Cyprinus carpio), Grass Pickerel (Esox americanus vermiculatus), and 17 others.

One species above is flagged non-native or potentially invasive (European Carp). Records show what has been observed near this station, not what is native to the watershed.

Where these records come from

Evidence
Community observations nearby
Research-grade community observations (iNaturalist) recorded near this station, not a formal survey.
Records
22 species
from 40 individual records
Observed
Jul 31, 2015 – Jul 4, 2026
40 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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