Page 450 - City of Arlington FY19 Adopted Operating Budget

Public Safety

Goal 2: Mitigate Flood Risks and Protect Stormwater Infrastructure
Objective 2: Complete watershed studies for each watershed within the City and
identify problem areas and potential solutions
Project Performance Measure(s) City Service Team (Department)
Core Watershed Studies  Begin Remaining Watershed Economic Development and Capital
PS Studies Investment (PWT)
2.2.1  Submit FY 2015 Watershed Studies
to FEMA for mapping
Summary:

Actual
Estimated
Comprehensive watershed studies are important Milestone Completion Completion
to evaluate current and future flood risk and
identify problem areas that will guide the Lynn/Bowman
Contract Award Jan. 2018 Jan. 2018
stormwater program. These watershed studies:
• Update the hydrology for current Data Gathering Complete Jan. 2018 Jan. 2018
developed conditions Survey Complete May 2018 Oct. 2018
• Update the hydraulic models based on Hydrology Complete Sept. 2018 Oct. 2018
the new flows and current creek Remaining Trinity Tributaries and Upper Village
conditions Contract Award Jan. 2018 Jan. 2018
• Identify and prioritize problem areas and Data Gathering Complete Jan. 2018 Jan. 2018
generate conceptual solutions for these Survey Complete May. 2018 June 2018
areas Hydrology Complete Sept. 2018 Oct. 2018
• Assess the stream bank conditions for Fish and Cottonwood Stream Assessment
erosion Contract Award Feb. 2018 Feb. 2018
• Update the Flood Insurance Rate Maps Survey Complete Apr. 2018 June 2018
based on the new information

This data benefits the citizens of Arlington by
informing them of the flood risk for their homes so
that they can take protective action. It also
identifies flood protection projects to be
incorporated into the Stormwater Capital
Improvement Plan. Arlington's nine major
watersheds have been grouped into six major
study areas. The Stormwater Division plans to
include watershed studies in its budget each year
until all the major watersheds in the City have Update:
been studied Consultants for Lynn/Bowman and Trinity Tributaries/Upper Village
submitted hydrology and survey tasks deliverables before the end
th
This project will identify and map flood risk for of the 4 quarter. All City review comments were addressed by
property owners which enhances the City’s score October 2018.
in the Community Rating System (CRS). The CRS is
a federal program that provides flood insurance
policy discounts based on community score for
homeowners in communities that participate in
the program.

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