Iowa Rivers Shown on the Map: Boone River, Boyer River, Cedar River, Chariton River, Des Moines River, East Fork Des Moines River, English River, Floyd River, Iowa River, Little Sioux River, Maple River, Maquoketa River, Middle Nodaway River, Mississippi River, Missouri River, North Raccoon River, North Skunk River, Shellrock River, Skunk River, South Raccoon River, South Skunk River, Thompson River, Turkey River, Upper Iowa River and Wapsipinicon River.
Iowa Lakes Shown on the Map: Lake Red Rock, Okoboji Lake, Rathbun Lake and Saylorville Lake.
| Iowa Stream and River Levels |
The United States Geological Survey has a number of stream gages located throughout Iowa. These estimate stream levels, discharges and record them over time. This data is published on the web and many stations allow users to plot custom graphs. Get updated Iowa river and stream levels from USGS here.| Iowa Stream and River Level Alerts |
The United States Geological Survey has a system that will send you an email message when flood levels are reached on any steam with USGS gaging equipment that you have selected. Sign up here to recieve Iowa stream and river level alerts.| Iowa Water Publications |
The United States Geological Survey has a number of publications related to water use and water resources in Iowa. View the water resource publications for Iowa here.| Iowa Drought Map |
The United States Geological Survey publishes updated drought maps on their website. There you can view a map that shows where below normal 7-day average stream flow conditions were recently recorded. The maps are updated daily. Get a current Iowa drought map here.| Iowa Precipitation Map |
The National Atlas Project has precipitation maps for Iowa and other states that you can view online or print for personal use. These maps show the average annual precipitation levels mapped across the state. View and print an Iowa precipitation map here. Precipitation maps prepared by the PRISM Climate Group at Oregon State University and the United States Geological Survey.| Iowa Elevation Map |
The topography of an area determines the direction of stream flow and often is a primary influence on the geographic distribution of precipitation. View a detailed Iowa elevation map.| More Water |
 | Is Water a Mineral? |
 | What is a Hydrograph? |
 | Geology of Bottled Water |
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