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C. 5

To:	Contra Costa County Flood Control District Board of Supervisors
From:	Brian M. Balbas, Public Works Director/Chief Engineer
Date:	June 23, 2020

Contra

Costa

County

Subject:

Annual Drainage Area Benefit Assessments For Fiscal Year 2020-2021. Project No. 7505-6F8167, CP# 99-54

APPROVE	OTHER
RECOMMENDATION OF CNTY ADMINISTRATOR	RECOMMENDATION OF BOARD COMMITTEE

Action of Board On: 06/23/2020

APPROVED AS RECOMMENDED

OTHER

Clerks Notes:

VOTE OF SUPERVISORS

AYE:

John Gioia, District I Supervisor
Candace Andersen, District II Supervisor
Diane Burgis, District III Supervisor
Karen Mitchoff, District IV Supervisor
Federal D. Glover, District V Supervisor

Contact:

Michelle Cordis, (925) 313-2381

cc:

Laura Strobel, County Administrator's Office Robin Cantu, County Assessor’s Office Bob Campbell, County Auditor–Controller Dorothy Lim, County Auditor-Controller’s Office Brice Bins, County Treasurer-Tax Collector's Office Allison Knapp, Deputy Chief Engineer Tim Jensen, Flood Control Michelle Cordis, Flood Control Patrick Melgar, Flood Control Simone Saleh, Engineering Services Catherine Windham, Flood Control

I hereby certify that this is a true and correct copy of an action taken and entered on the minutes of the Board of Supervisors on the date shown.
ATTESTED: June 23, 2020
David Twa,

BY:	, Deputy

RECOMMENDATION(S):

ADOPT Resolution No. 2020/167 approving and authorizing the Chief Engineer, Flood Control and Water Conservation District (FC District), or designee, to impose the annual Drainage Area Benefit Assessments (DABAs) for Fiscal Year 2020-2021 for Drainage Areas 67A, 75A, 76A, 520, 910, 1010, and 1010A, in the Walnut Creek, San Ramon, Alamo, Oakley, and Danville areas.

FISCAL IMPACT:

The proposed annual DABAs will provide approximately $362,000 in funding for drainage maintenance activities in Drainage Areas 67A, 75A, 76A, 520, 910, 1010, and 1010A. (100% Drainage Area Benefit Assessment Funds)

BACKGROUND:

DABA areas are those in which all parcels within each drainage area boundary pay assessments for flood control infrastructure maintenance and repair. Flood control maintenance activities include complaint investigation, facility inspections, ditch and basin cleaning, maintaining right-of-way access, and other general routine drainage maintenance activities. Special drainage maintenance activities, such as bank repairs, are also funded by the assessments. The benefit assessments collected are used only for administration, maintenance, and operation of the Flood Control facilities, within the FC District right-of-way limits.

The annual benefit assessment amount for each Impervious Area Unit (IAU [one IAU equals 1,000 ft2]) is the quotient of the total annual maintenance cost divided by the total IAU’s in the drainage area. The annual benefit assessment for each lot is the product of the number of IAU’s assigned to each lot times the annual benefit assessment per IAU. The annual benefit assessment is adjusted periodically to account for inflation and maintenance needs.

The Board of Supervisors, acting as the governing board of the FC District, provided public notice to all affected property owners prior to the establishment of the initial DABAs. The Board set the maximum assessment rate for each DABA when each drainage area was formed. A maximum reserve fund based on the estimated annual cost of the maintenance services was also established when each drainage area was formed. The purpose of this action was to provide adequate funding for unscheduled maintenance or contingencies.

CONSEQUENCE OF NEGATIVE ACTION:

If the proposed DABAs, for Fiscal Year 2020-2021, are not implemented, routine and special drainage maintenance of flood control facilities in these drainage areas may not occur, which could impair the effectiveness of the flood control facilities in these drainage areas and negatively impact the surrounding watersheds. A significant impact in a watershed could cost the FC District and the County considerable amounts of money to repair and restore the flood control facility and surrounding areas.