Reclamation completing Folsom Dam safety work; trail detours to begin

Media Contact: Erin Curtis, 916-978-5100,

For Release: January 28, 2019

FOLSOM, Calif.- The Bureau of Reclamation is completing its construction improvements at Folsom Reservoir’s Mormon Island Auxiliary Dam and Dikes 1, 4, 5 and 6 in the Granite Bay and Folsom Recreation areas beginning January 2019 and ending around July 2019.

Trail segments will be temporarily restricted during construction. To accommodate recreational traffic, Reclamation has designated an alternate route, with signage at all the access points.

The improvement modifications are being completed under Reclamation’s Safety of Dams Program to address minor runoff, drainage and erosion conditions along maintenance access roads initially modified under prior public safety activities that have been ongoing since 2007.

The work includes (1) re-grading and resurfacing access roads at Dikes 4, 5 and 6 to better facilitate runoff; (2) installation of vehicle traffic curbing at Dike-1; (3) installation of drainage channels to better control runoff; (4) removal of k-rail traffic barriers currently in place at Dike 1; and (5) clean out of sediment deposition within downstream outfall channels.

Learn more about these improvements by visiting

Contact Kyle Keer with questions at 916-537-7111 (TTY 800-877-8339) or

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Reclamation is the largest wholesale water supplier in the United States, and the nation's second largest producer of hydroelectric power. Its facilities also provide substantial flood control, recreation, and fish and wildlife benefits. Visit our website at and follow us on Twitter @USBR.