124 Step 8.0 RECOMMENDED ACTION PLAN 8.1 Capital Improvements Plan Since its inception, the District has completed capital improvements to reduce the risk of flood damages to private and public improvements in a manner that provides flood mitigation as well as restoration, education, exercise and recreation. The District develops both an annual and a five‐year Capital Improvement Plan to address the needs within each jurisdiction or geographical area. Step 5 describes projects completed during the current five‐year reporting period. The District develops the plan based on available funding and recommendations from watershed plans, jurisdictions and community members. The District’s Capital Improvement Plan addresses: Previous Flood Damages. The District prioritizes projects that address previous flood damages and areas subject to repetitive flooding and drainage problems. Regional Programs. The District’s projects and programs are regional and provide countywide benefits. Downstream Benefits. The District has developed master management plans for the major watercourses and watersheds to reduce the hazards from flooding and erosion that also consider downstream impacts and benefits. Evolving Urban Edge. The District has constructed a significant amount of bank stabilization and flood control improvements in existing urban and growth areas. Regulations and projects in growth areas and the evolving urban edge help new development to avoid future flood hazards. Projects included in the fiscal year 2020/21 budget: %UDTON Tohono O’odham Nation Urban Drainage 4F2205 Arroyo Chico Detention Basin 5BFACQ Floodprone Land Acquisition Program 5CDDONB Cañada del Oro Wash North Bank: Thornydale to I‐10 5CREST Historic Canoa Ranch Restoration 5ELVDO Airport Wash/El Vado Wash Drainage Improvements 5GVDW6 Green Valley Drainageways 5HASOL Rillito River Upper Bank at Hacienda del Sol 5LKMNA El Rio Preserve Bank Protection 5PANGC Pantano Grade Control Structures 5RMPAF Riparian Mitigation Acquisition Fund 5RMPAF Riparian Mitigation Project Acquisition Fund 5RMPLN Major Watercourse Infrastructure Management 5RRWMP Rillito River Maintenance Projects 5RRWMP Rillito River Wash Maintenance Project 5RUPRR Ruthrauff, Gardner lane Union Pacific Railroad Culvert
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Step 8.0 RECOMMENDED ACTION PLAN
8.1 Capital Improvements Plan
Since its inception, the District has completed capital improvements to reduce the risk of flood
damages to private and public improvements in a manner that provides flood mitigation as well as
restoration, education, exercise and recreation. The District develops both an annual and a five‐year
Capital Improvement Plan to address the needs within each jurisdiction or geographical area. Step 5
describes projects completed during the current five‐year reporting period. The District develops the
plan based on available funding and recommendations from watershed plans, jurisdictions and
community members. The District’s Capital Improvement Plan addresses:
Previous Flood Damages. The District prioritizes projects that address previous flood damages
and areas subject to repetitive flooding and drainage problems.
Regional Programs. The District’s projects and programs are regional and provide countywide
benefits.
Downstream Benefits. The District has developed master management plans for the major
watercourses and watersheds to reduce the hazards from flooding and erosion that also
consider downstream impacts and benefits.
Evolving Urban Edge. The District has constructed a significant amount of bank stabilization
and flood control improvements in existing urban and growth areas. Regulations and
projects in growth areas and the evolving urban edge help new development to avoid future
flood hazards.
Projects included in the fiscal year 2020/21 budget:
%UDTON Tohono O’odham Nation Urban Drainage
4F2205 Arroyo Chico Detention Basin
5BFACQ Floodprone Land Acquisition Program
5CDDONB Cañada del Oro Wash North Bank: Thornydale to I‐10
5CREST Historic Canoa Ranch Restoration
5ELVDO Airport Wash/El Vado Wash Drainage Improvements
5GVDW6 Green Valley Drainageways
5HASOL Rillito River Upper Bank at Hacienda del Sol
5LKMNA El Rio Preserve Bank Protection
5PANGC Pantano Grade Control Structures
5RMPAF Riparian Mitigation Acquisition Fund
5RMPAF Riparian Mitigation Project Acquisition Fund
5RMPLN Major Watercourse Infrastructure Management
5RRWMP Rillito River Maintenance Projects
5RRWMP Rillito River Wash Maintenance Project
5RUPRR Ruthrauff, Gardner lane Union Pacific Railroad Culvert
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5SCRIR Santa Cruz River Irvington to Drexel Improvements
5SCRMP Santa Cruz River Maintenance Projects
5SCRMP Santa Cruz Wash Maintenance Project
5SCRPR Santa Cruz River Pavement Rehab
5SLIV Santa Cruz River Living River Management Plan
5TDSCW Tucson Diversion Levee – Swan to Craycroft Improvements
5URBAD Urban Drainage
5URBAD Urban Drainage
5XMSWS Christmas Wash Drainage Improvements
The Board appointed Flood Control District Advisory Committee revisits these priorities annually prior
to budgeting and that process is ongoing. The list above contains only funded projects. Other projects
excluded include those identified, but may not receive funding because the District could not acquire
right‐of‐way or owners consent. Project needs identified on the 10‐year horizon but not included in
next year’s budget include:
ACPLKN Arroyo Chico – Plummer to Kino
AJOGIB Ajo Gibson Arroyo
ALAMOW Alamo Wash Palo Verde High School Detention Basin
ALERTTU ALERT Upgrades
BRAWLY Brawley wash – Restoration on City of Tucson Water Farms
BRONXW Bronx Wash Flood Mitigation
CDOWS1 Cañada del Oro Wash: Capacity Restoration
CENGA1 Cienega Creek Erosion Stabilization
CENGA2 Cienega Creek Riparian Restoration
DTLINK Downtown Links
FINROC Finger Rock Wash Channel Construction
HILAND Oro Valley Highland Wash
LEEMOR Lee Moore Wash Regional Basins
LOOPIM Loop Ongoing Improvements & Maintenance
PANTW2 Pantano Wash: Rancho del Lago Erosion Mitigation
RILTO2 Rillito River: Capacity Restoration
RIPMIT Riparian Mitigation Project Program
SCRAVL Santa Cruz River: Avra Valley Levee Augmentation
SCRCON Santa Cruz River: Constructed Recharge
SCRCOR Santa Cruz River: Cortaro Road Grade Control
SCRCRR Santa Cruz River: Canoa Ranch Restoration
SCROWB Santa Cruz River: Old West Branch – Silverlake to Confluence
SCRSUN Santa Cruz River: Sun Corridor
TUCDIV Tucson Diversion Channel
WILNAV City of Tucson Wilson ‐ Navajo Flood Mitigation
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WNTWTH Wentworth & Tanque Verde Creek Channel Modification
The map below is a sample of the Action Plan maps prepared to show activities including capital
improvements. Appendix C contains these maps for each watershed, and they are available separately
in large format on the project webpage watershed tabs.
Figure 30 ‐ Action Plan Map Sample 2
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8.2 Future Needs
Despite these successes and the support of elected officials, environmental change (some climate
related) including increased frequency and severity of storms and wildfires have resulted in a greater
need for continued monitoring. During the program period, which followed a period of drought and
fire, significant flood events produced large shifts in sediment load. In some locations, undercutting
impacted erosion protection and in others, aggradation resulted in loss of channel capacity. This has
the potential to increase flood risk on properties previously not impacted by FEMA floodplains. In
order to address this problem on a region‐wide basis, the District negotiated an Intergovernmental
Agreement with the City of Tucson whereby the District is responsible for maintenance of major
watercourses and the associated river park system. In the future, annual monitoring of sediment load
will be required along with corrective measures to ensure designed conveyance capacity exists.
Outreach to impacted communities will remain a priority.
The District plans to add gages and develop additional inundation maps for gaged watercourses in
order to improve flood warning. Development of these maps and associated public messaging is a
priority. Training for and coordination with first responders should be greatly increased. This includes
participating in updating the Pima County Multi‐Jurisdictional Hazard Plan, related Emergency
Operations Plan(s) and especially exercises or drills.
The recommended Action Plan below includes multiple ongoing and new activities in each of the six
CRS categories and that address each of the identified problems, opportunities and goals.
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8.3 Action Plan
The Planning Committee approved the Action Plan presented below at the conclusion of Meeting 8.
Table 5 ‐ Action Plan
Ref # Actions Watershed Specific Actions
1 2 3 4 5 6 7 8
Chapter ‐
Recommen
dation
Priority
Cost Range
Funding Source
Responsible Party
Dea
dlin
e
1.1 Implement Existing Preventive Activities
1.1.a Participate in the National Flood Insurance Program Community Rating
System
Countywide activity**X X X X X X X X 8, AC $
1.1.b Enforce Pima County Code including Floodplain Management Ordinance,
Comprehensive Plan, Zoning and other standards and policies
Countywide activityX X X X X X 8, AC $
1.1.c Operate, inspect and maintain Flood Control lands and faci lities Countywide activity X X X X 8, AC $$$
Bellbrook channel repairs (CF) X X 8, AC $$
Mesquite Ranch Wash sediment removal (Pantano) X X 8, AC $$
Mitigate Los Reales erosion (SCRM) X X 8, AC $$
Mitigate Sonoran Ranch erosion (Brawley) X X 8, AC $$
Monitor and maintain bank protection (SCRL) X X 8, AC $$
Monitor and remove vegetation (SCRM) X X 8, AC $$
Palo Verde Rd channel grading (Pantano) X X 8, AC $$
Repair Continental Ranch bank protection erosion (SCRL) X X 8, AC $$$
Repair Iberia sediment and sink holes (BW) X X 8, AC $$
Repair Michael Perry Park bank protection (Pantano) X X 8, AC $$
Repair SCR Old West Branch Bank protection erosion at Silverlake (SCRM)X X 8, AC $$
Minor sediment control activities X X X 8, AC $
Create Drainage System maintenance plans including vegetation,
sediment, and debris (SCRL. SCRM, Rill i to, Pantano, CDO)8, AC
Create open space management plans and consider location specific