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High Water Mark Information


Know Your Line: Be Flood Aware

The "Know Your Line: Be Flood Aware" High Water Mark initiative, created by FEMA and other federal agencies, helps remind residents of historic major local floods and encourages the community to prepare for future flood risks. Roseville has posted high water mark signs to show how high flood waters have risen in the past.  

Roseville has made significant investments in developing flood mitigation improvements and instituting a comprehensive floodplain management program. As a result, Roseville is the only city in the United States to hold a Class I rating as part of FEMA's Community Rating System. This means Roseville property owners save money on their flood insurance premiums.


Learn more about FEMA's "Know Your Line" program.


High Water Mark Sign Locations

Click on the sign locations shown on the map for details.


 


Dry Creek at Riverside Avenue

January 10, 1995 high water mark elevation: 132.74 feet above sea level
Post-flood control project 100-year stormwater surface elevation: 130 feet above sea level


Riverside Avenue - January 10, 1995

Flood control improvements in this area included the removal of the culverts under the railroad tracks on Dry Creek, downstream of Vernon Street, thereby removing over 150 homes from the floodplain. Cost = $2 million (City contributed $220,000). The 100-year water surface elevation is now modeled at 2 feet, 9 inches below the high water mark shown on the sign.  



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Dry Creek at Columbia Avenue

January 10, 1995 high water mark elevation: 147.58 feet above sea level


Columbia Avenue, Folsom/Maciel Neighborhood - January 10, 1995

Home Elevation Program. FEMA funded 75% of this $1 million program to elevate flood-prone homes. These are structures that would not be brought completely out of the floodplain by construction of our flood control project. Homeowner participation was voluntary. 27 of 44 homeowners eligible elevated their homes via this program. Most of those 27 are located in the Folsom/Maciel neighborhood along Dry Creek, including homes on Columbia Avenue.



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Cirby Creek at Tina Way

January 10, 1995 high water mark elevation: 138.63 feet above sea level
Post-flood control project 100-year storm water surface elevation: 135 feet above sea level


Tina Way, Tina/Elisa Neighborhood - January 10, 1995

This project brought the entire Tina/Elisa neighborhood of 40 homes out of the floodplain. Cost = $3 million (100% City funded).
The sign is placed on the “dry side” of the flood control improvements. 



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Linda Creek at Champion Oaks Drive

January 10, 1995 High Water Mark Elevation: 159.56 feet above sea level
Post-Flood Control Project 100-year Storm Water Surface Elevation: 157.10 feet above sea level


Champion Oaks Drive - January 10, 1995

Flood control improvements in two areas on Linda Creek: the Champion Oaks/West Colonial Parkway area, and the Sunrise/Oakridge area. This project reduced the size of the floodplain resulting in 233 homes no longer being located in the floodplain, and reducing the risk of flooding for 44 additional homes. Cost = $16.1 million ($8.7 million FEMA funds, $7.4 million City funds).



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