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Lake Tahoe EIP

Oflyng Water Quality Project

Project Number
01.01.01.0099
Action Priority
Reduce Stormwater Pollution From: Roads and Highways, Forest Roads, Public and Private Parcels
Implementers
El Dorado County, CA
Primary Contact
Dan Kikkert (dan.kikkert@edcgov.us)
Stage
Implementation
Duration
2017 - 2025
Stormwater Management Program Reduce Stormwater Pollution From: Roads and Highways, Forest Roads, Public and Private Parcels
Urban development in the Oflyng residential area has resulted in a concentrated flow of storm water from the County of El Dorado (County) right-of-way (ROW) directed to pervious forested land as well as the Upper Truckee River. The hydrologic connectivity between Lake Tahoe and the Oflyng area results in a high to moderate potential to deliver fine sediment to Lake Tahoe. Storm water runoff will be directed into infiltration improvements providing a direct reduction in the transport of fine sediment to Lake Tahoe. It is also anticipated that urban storm water infrastructure will be upgraded to current design standards w/ conveyance improved to allow for proper flow sizing/routing.

Key Accomplishments

  • Miles of Roads Decommissioned or Retrofitted: 2.1 miles

Threshold Categories

  • Soil Conservation
  • Water Quality
Comingled flows and traction abrasive wash-off that enter existing drainage inlet. (Timing: Before) (~772 KB) Credit: El Dorado County Comingled flows and traction abrasive wash-off that enter existing drainage inlet.

Location

Expenditures

Expenditures by Funding Source to Date: $1,887,466
(Estimated Cost: $1,964,000)
WQ Mitigation Funds (TRPA): $231,242

California Tahoe Conservancy (CTC): $2,836

Proposition 1 (SWRCB): $84,844

Lake Tahoe Restoratio... (USFS - LTBMU): $1,568,544

Photos

Before
Ofylyng - Failing Slope (Timing: Before) (~2,857 KB) Credit: El Dorado County - DOT
Ofylyng - Failing Slope
Eroding slopes tributary to existing drainage ways (Timing: Before) (~214 KB) Credit: El Dorado County
Eroding slopes tributary to existing drainage ways
During
Curb pour on Tionontati (2022) (Timing: During) (~837 KB) Credit: El Dorado County
Curb pour on Tionontati (2022)
Construction of the basin at Garbage Dump Road and Elks Club Drive (Timing: During) (~648 KB) Credit: El Dorado County
Construction of the basin at Garbage Dump Road and Elks Club Drive
After
Infiltration basin adjacent to Garbage Dump Road and Pioneer Trail. New basin will capture stormwater runoff from storm drain system on Elks Club Drive. (Timing: After) (~761 KB) Credit: El Dorado County
Infiltration basin adjacent to Garbage Dump Road and Pioneer Trail. New basin will capture stormwater runoff from storm drain system on Elks Club Drive.
Project Fact Sheet Data as of 04/24/2024