IowaReservoirJohnson County

Coralville Lake

Coralville Lake is a 5,430-acre reservoir on the Iowa River in Iowa. Its shoreline falls inside Johnson County. It is managed by USACE Rock Island District.

Photo: United States Army Corps of Engineers · Public domain · Wikimedia Commons

CountiesJohnson County

Coordinates41.7244, -91.5297

Surface area5,430 acres

RiverIowa River

Managed byUSACE Rock Island District

Swimming beaches on Coralville Lake

No named swimming beach is mapped yet for this lake. Access is through agency day-use areas and boat ramps listed below. We add beach pages only when we can confirm a name, coordinates and an operating agency.

Coralville Lake on the map

Lake center, swimming spots and access points.

Get directions

Weather and water temperature

Air temperature and wind from Open-Meteo. Water temperature only when the lake has a public sensor.

Weather data by Open-Meteo

A closer look at Coralville Lake

Its coordinates are 41.7244, -91.5297. The Iowa River carries the outflow.

Around Coralville Lake this guide maps 4 public recreation areas. Recreation areas nearby include Cottonwood, Turkey Creek Recreation Area and Linder Point. None is staffed by a lifeguard unless the managing agency posts one.

Algae blooms are seasonal and local: look for posted signs at the ramp or park entrance. Water temperature is not measured at this lake by any public agency we read. Swimming season in Iowa runs through the warm months, and day-use areas set their own opening dates.

Local marinas and park offices usually know the current state of the water better than any feed. Water level is missing from this page on purpose: no public feed covers Coralville Lake.

The closest lakes in this guide are Lake Macbride (Iowa, 5 mi), Lake Red Rock (Iowa, 82 mi) and Rathbun Lake (Iowa, 94 mi). In all, 10 lakes in Iowa are covered here.

Recreation areas on Coralville Lake

4 public recreation areas mapped around the lake by the U.S. Army Corps of Engineers. Facilities vary by area; check the managing office for opening dates and fees.

Cottonwood Turkey Creek Recreation Area Linder Point Squire Point

Source: USACE Recreation Areas