Des Moines River Water Quality Network:
Map of the Des Moines River Network Monitoring Stations
Description of sampling stations
Station Location Importance 0 a Des Moines River, State Route Upstream of maximum 175 bridge near Stratford, Saylorville Reservoir flood Webster County, 276.7 mi from pool upstream mouth 1 Des Moines River, near Boone Upstream of Saylorville Water Plant, County Road E-26 Reservoir conservation pool bridge, just above low-head dam, Boone County, 258.8 mi upstream from mouth 4S b Saylorville Reservoir, 0.15 Saylorville Reservoir 4M c mi upstream from the dam, conservation pool 4B d 213.9 mi upstream from mouth 5 Des Moines River, 66th Street Downstream from Saylorville bridge at the Sycamore Reservoir, upstream of the Recreation Area and near the city of Des Moines town of Saylorville, 2.3 mi downstream from Saylorville Dam, 211.4 mi upstream from mouth 10 Raccoon River, County Road Upstream of the city of Des R-16 bridge at the town of Moines and the confluence Van Meter, Dallas County, 1.1 with the Des Moines River mi downstream from confluence of North and South Raccoon Rivers, 29.0 mi upstream from mouth 6 Des Moines River, State Route 5-1/2 mi downstream from the 46 bridge near Iowa Power and confluence of the Raccoon Light Company, Des Moines, River and 2-1/2 mi downstream Polk County from the Des Moines Water Pollution Control Plant 7 Des Moines River, County Road Upstream of the conservation S35 south of Runnells, Warren pool of Red Rock Reservoir County, 37.2 mi upstream from but in the flood pool area Red Rock Dam, 179.5 mi and downstream from the upstream from mouth confluences of the North, Middle, and South rivers 8S b Red Rock Reservoir, 0.15 mi Red Rock Reservoir 8M c upstream of the Red Rock Dam conservation pool just 8B d over the thalweg, 143.1 mi upstream of the dam upstream from the mouth 9 Des Moines River, 0.7 mi Downstream from Red Rock Dam downstream from Red Rock Dam, Marion County, Howell Station Landing recreation area, second jutty on northeast bank, 142.2 mi upstream from mouth
a Alternative upstream station, sampled whenever Saylorville
Lake elevation exceeds 870 ft NGVD.
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