Stream Sites Monitored Monthly

For site names, hold mouse over point or see list below. For information about each watershed, click on links in the list below.

Click here to display alphabetically by county.

Beaver Creek east of Grimes (Polk County)	Beaver Creek northwest of Cedar Falls (Black Hawk County)
Black Hawk Creek (Black Hawk County)	Boone River (Hamilton County)
Big Spring (Clayton County)
Boyer River (Harrison County)	Cedar Creek northwest of Bussey (Marion County)
Cedar Creek southwest of Oakland Mills (Henry County)	Cedar River in Janesville (Bremer County)
Cedar River southeast of Charles City (Floyd County)	Cedar River northeast of Conesville (Muscatine County)
Cedar River at Cedar Bluff (Cedar County)	Chariton River north of Centerville (Appanoose County)
Des Moines River south of Keokuk (Lee County)	Des Moines River in Ottumwa (Wapello County)
Des Moines River upstream of Ottumwa (Wapello County)	East Fork Des Moines River north of St. Joseph (Kossuth County)
East Nishnabotna River north of Shenandoah (Fremont/Page County)	East Nodaway River east of Clarinda (Page County)
English River south of Riverside (Washington County)	Flood Creek at Greene (Floyd County)
Floyd River north of Sioux City (Plymouth County)	Thompson Fork of the Grand River at Davis City (Decatur County)
Indian Creek east of Green Castle (Jasper County)	Iowa River north of Marshalltown (Marshall County)
Iowa River northeast of Gifford (Hardin County)	Iowa River at Columbus Junction (Louisa County)
Iowa River near Rowan (Wright County)	Iowa River upstream of Marshalltown (Marshall County)
Little Sioux River east of Larrabee (Cherokee County)	Little Sioux River west of Milford (Dickinson County)
Little Sioux River northeast of Smithland (Woodbury County)	Lizard Creek near Fort Dodge (Webster County)
Maple River north of Mapleton (Monona County)	Maquoketa River northwest of Maquoketa (Jackson County)
Middle River near Indianola (Warren County)	Monona-Harrison Ditch southeast of Turin (Monona County)
North Fork Maquoketa River southeast of Hurstville (Jackson County)	North Raccoon River west of Jefferson (Greene County)
North Raccoon River south of Sac City (Sac County)	North River southeast of Norwalk (Warren County)
North Skunk River northwest of Sigourney (Keokuk County)	Ocheyedan River southwest of Spencer (Clay County)
Old Man's Creek near Iowa City (Johnson County)	Rock River north of Hawarden (Sioux County)
Shell Rock River in Shell Rock (Butler County)	Soldier River west of Pisgah (Harrison County)
South Raccoon River southeast of Redfield (Dallas County)	South River near Ackworth (Warren County)
South Skunk River north of Oskaloosa (Mahaska County)	South Skunk River south of Ames (Story County)
South Skunk River near Cambridge (Story County)	Turkey River southeast of Garber (Clayton County)
Upper Iowa River south of Dorchester (Allamakee County)	Volga River north of Elkport (Clayton County)
Wapsipinicon River northwest of Independence (Buchanan County)	Wapsipinicon River south of Dewitt (Scott County)
Wapsipinicon River north of Olin (Jones County)	West Fork Cedar River in Finchford (Black Hawk County)
West Fork Des Moines River south of Humboldt (Humboldt County)	West Fork Ditch at Hornick (Woodbury County)
West Nishnabotna River east of Malvern (Mills County)	West Nodaway River near Shambaugh (Page County)
Whitebreast Creek southwest of Knoxville (Marion County)	Winnebago River in Mason City (Cerro Gordo County)
Winnebago River upstream of Mason City (Cerro Gordo County)	Wolf Creek in LaPorte City (Black Hawk County)
Yellow River east of Volney (Allamakee County)