Big River At Byrnesville, Mo Realtime Data
BIG RIVER AT BYRNESVILLE, MO
Realtime Data • Report • Conditions
637
Discharge (cfs)
3.6
Gauge Height (ft)
Streamflow discharge was last observed at 558 cfs, and a gauge height of 3.59 feet.
With the
% decrease since yesterday,
the streamflow average over the past 10 days is 684 .
Weather today, Tomorrow,
The river is a tributary of the Meramec River and is fed by several smaller streams, including Flat River and Marble Creek. The primary flow provider for the Big River is rainfall, which fluctuates seasonally. During the spring and summer months, the flow is typically higher due to increased precipitation. There are no major dams on the river, and it is largely free-flowing. Streamflow data from the gauge can be used to monitor potential flooding and to inform management decisions related to water resources. One interesting fact about the Big River is that it was once a site of significant mining activity, which has left a legacy of contamination in some parts of the river basin.
July 16, 2026
| Elevation | 450.0 ft |
| Last Updated | |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 ±2.5°, formazin nephelometric units (FNU) | 2.4 FNU |
| Gage height, ft | 3.59 ft |
| Streamflow, ft³/s | 558.0 ft3/s |
| Temperature, water, degC | 21.7 deg C |
| Percent of Normal | 231% |
| Year Over Year Average | 275 cfs |
| 24hr Flow Prediction | cfs |
| Maximum Recorded | 55,000 cfs |
| Geolocation | 38.39, -90.64 |
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