US Army Corps of Engineers
Rock Island District Website

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  • Saylorville Lake “No Motorized Vessel Zone Lifts 1 September”

    Johnston, Iowa - During much of 2015 there has been a new boating policy on Saylorville Lake. This policy calls for a seasonal; “No Motorized Vessel Zone” North of the Mile Long Bridge, in the very shallow upper reaches of the reservoir, locally identified as the “mud flats” from April 1st to August 31st during periods of near normal conservation pools (below 840’ NGVD). The No Motorized vessel zone will be lifted 1 September 2015 through 31 March 2016.
  • Blue - Green Algae at Saylorville Lake

    Johnston, Iowa - Sandpiper and Oak Grove Beaches at Saylorville Lake have been closed in response to the presence of a blue-green algae bloom which has the potential to impact the health of humans and their pets. Routine water quality monitoring performed at the lake has identified high levels of microcystin, a compound produced by blue-green algae under certain environmental conditions.
  • Acorn Valley Youth Camping Area

    Johnston, Iowa - Nestled in the upland timber of Acorn Valley Campground at Saylorville Lake sets the perfect outdoor adventure opportunity for youth. The site provides a remote setting for organized youth groups looking for an opportunity to tent camp without the impact of neighbors and experience a degree of primitive camping.
  • Junior Ranger Day Camp

    Johnston, Iowa - Calling all future 4th and 5th graders! Saylorville Lake is holding a nature camp for you. Explore and discover while making friends and having fun learning basic nature safety, history, and environmental stewardship skills.
  • Corps Promotes Emerald Ash Borer Awareness for Memorial Day Weekend

    The U.S. Army Corps of Engineers, Rock Island District, will be wrapping ash trees at recreation areas including Saylorville Lake, Lake Red Rock, Coralville Lake and the Mississippi River Project to bring awareness of the invasive Emerald Ash Borer (EAB) to visitors during the Memorial Day weekend. Each ash tree wrapped will show the detrimental effects the EAB could have on recreation areas in the Rock Island District if infestations are allowed to spread.
  • Saylorville Lake “No Motorized Vessel Zone”

    Johnston, Iowa - There is a new boating policy on Saylorville Lake for 2015. This policy is for a seasonal; “No Motorized Vessel Zone” north of the Mile Long Bridge, in the very shallow upper reaches of the reservoir, locally identified as the “mud flats” from April 1st to August 31st during periods of near normal conservation pools (below 840’ NGVD).
  • Saylorville Lake Earth Day Celebration

    Johnston, Iowa - Saturday, April 18, 2015 11am – 3pm Saylorville Lake Visitor Center FREE Celebrate the 45th Anniversary of Earth Day with the U.S. Army Corps of Engineers at Saylorville Lake. Help clean up the environment and preserve the natural beauty at Saylorville Lake. Volunteers can meet a Park Ranger at the Visitor Center where they will provide gloves, trash bags and get you started on your project.
  • Big Creek Lake Gate Replacement Project

    Johnston, Iowa - The U.S. Army Corps of Engineers has announced that Jenson Construction Company plans to begin mobilizing construction equipment & material at the Big Creek Diversion Dam in the next 2-3 weeks. During various stages of mobilization and construction, access into Big Creek State Park from Broadway (Old Hwy 415) and across the dam will be limited to one lane with traffic controls. The Neal Smith Trail will be open, but will merge with the one lane traffic across the dam.
  • The U.S. Army Corps of Engineers shares water safety tips for Labor Day holiday

    (ROCK ISLAND, Ill.) — It’s almost time to say goodbye to summer. If you’ll be spending the weekend on or around the water this Labor Day, the U.S. Army Corps of Engineers urges you to remember these safety tips.
  • U.S. Army Corps of Engineers returns to full operations

    ROCK ISLAND, Ill. (Oct. 17) The U.S. Army Corps of Engineers, Rock Island District, has returned to full operations today following the passing of the continuing resolution by Congress.