Big Muddy River At Rte 127 At Murphysboro, Il Realtime Data
BIG MUDDY RIVER AT RTE 127 AT MURPHYSBORO, IL
Realtime Data • Report • Conditions
6,090
Discharge (cfs)
17.0
Gauge Height (ft)
USGS 05599490
Streamflow discharge was last observed at 5,680 cfs, and a gauge height of 16.96 feet.
With the
% decrease since yesterday,
the streamflow average over the past 10 days is 2,709 .
Weather today, Tomorrow,
The river has no significant tributaries or dams, and its flow is seasonally dependent, with high water levels occurring in the spring and fall. Interestingly, the Big Muddy River gets its name from its muddy appearance due to the silt and clay particles it carries. There are also several unique features along the river, including the Devil's Backbone, a narrow ridge that creates a bottleneck for the river's flow, and the Shawnee National Forest, which provides a scenic backdrop for the river.
July 16, 2026
| Elevation | 357.0 ft |
| Last Updated | |
| Water velocity reading from field sensor, feet per second | 2.76 ft/sec |
| Gage height, ft | 16.96 ft |
| Nitrate plus nitrite, water, in situ, mg/L as N | 0.7 mg/l as N |
| Temperature, water, °C | 27.1 deg C |
| Streamflow, ft³/s | 5680.0 ft3/s |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25°C | 328.0 uS/cm @25C |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus | 0.117 mg/l as P |
| Dissolved oxygen, water, unfiltered, mg/L | 1.9 mg/l |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 ±2.5°, formazin nephelometric units (FNU) | 58.5 FNU |
| pH, water, unfiltered, field, standard units | 6.9 std units |
| Nitrate plus nitrite, water, unfiltered, pounds of nitrogen per day | 21100.0 lb/d as N |
| Percent of Normal | 503% |
| Year Over Year Average | 1,210 cfs |
| 24hr Flow Prediction | cfs |
| Maximum Recorded | 40,300 cfs |
| Geolocation | 37.76, -89.33 |
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