To: Contra Costa County Flood Control and Water Conservation District
From: Warren Lai, Public Works Director/Chief Engineer
Report Title: Adoption and levy of annual Drainage Area Benefit Assessment in Drainage Area 520 for Fiscal Year 2024-2025. Project No. 7505-6F8167
?Recommendation of the County Administrator ? Recommendation of Board Committee
RECOMMENDATIONS:
ADOPT Resolution adopting and levying the annual Drainage Area Benefit Assessment (DABA) in Drainage Area 520 for Fiscal Year 2024-2025, Oakley area.
FISCAL IMPACT:
The proposed annual DABA will provide approximately $12,493 in funding for flood control drainage maintenance activities in DA 520. (100% Drainage Area Benefit Assessment Funds)
BACKGROUND:
A DABA is a subset of parcels within a defined boundary of a larger drainage area that is assessed to fund flood control infrastructure maintenance that directly benefits the area. Assessments are used to pay for flood control maintenance activities, including complaint investigation, facility inspections, ditch and basin cleaning, maintaining right-of-way access, and additional general or routine drainage maintenance activities. The assessments collected are used only for the maintenance and operation of the flood control facilities within the Contra Costa County Flood Control and Water Conservation District right-of-way limits.
DABAs are established when a development is determined to increase stormwater runoff, inundating existing drainage infrastructure. DABAs are established by agreement with developers or vote by parcel owners. DA 520 was established December 1, 1987, by adoption of Resolution No. 87/716 with subsequent annexations of additional developments in 2000 and 2001. DA 520 has been assigned a specific number of Impervious Area Units (IAUs), where a single IAU is equal to 1,000 square feet of impervious surface. Parcels within DA 520 are assigned a specific number of IAUs based upon their proportional share of impervious area in acco...
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