Big River at Byrnesville, MO

Big River MO USGS

Big River at Byrnesville, MO (07018500) is a real-time streamflow monitoring station on the Big River in MO, operated by the U.S. Geological Survey. Riverbot tracks its streamflow and alerts anglers the moment flow and temperature hit their fishing window. 50 fish species are associated with this station in public fish records.

USGS site number
07018500
Operated by
U.S. Geological Survey
State
MO
Coordinates
38.3917, -90.6378

Live conditions & history

Create a free account to see live flow, temperature, and recent history for this station

Riverbot reads this gauge every 15 minutes and emails you when the river hits the flow and temperature you fish. Sign up free to unlock the live chart and set your window.

7-day weather

Create a free account to see the 7-day weather forecast for this station

Wind, rain, and sky conditions for the week ahead at this gauge's coordinates — sign up free to plan your next trip around it.

Fish recorded near this station

Community observations nearby

Big River At Byrnesville, Mo has 50 fish species documented via iNaturalist research-grade observations within 10 km. These community-sourced records indicate fish presence in the vicinity.

Species include: Rock Bass (Ambloplites rupestris), Freshwater Drum (Aplodinotus grunniens), Central Stoneroller (Campostoma anomalum), Highfin Carpsucker (Carpiodes velifer), White Sucker (Catostomus commersonii), and 45 others.

One species above is flagged non-native or potentially invasive (Silver 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
50 species
from 200 individual records
Observed
Aug 19, 2022 – Aug 9, 2026
200 dated records