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Projects & Structures

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Since its inception in 1959, the District has led or participated in more than 100 capital construction projects to mitigate flooding hazards within Maricopa County, along with numerous regional planning studies and floodplain delineations.

Resources are directed to District projects and structures under the strategic guidance relayed in the District's Comprehensive Floodplain Management Plan and Report.

Countywide studies of flooding hazards are conducted under the District's planning program, which then identifies appropriate solutions to these hazards. Potential solutions include capital projects; voluntary floodprone property assistance for homeowners; or floodplain delineations. In some instances, the District participates in the implementation of recommended solutions; in others, the District relies on future development to implement solutions.

Recently, the District has incorporated context-sensitive design in its projects wherever practical through a landscape and aesthetics program, and in all cases, projects involve a thorough review of potential environmental impacts.

Once constructed, projects are operated and maintained by partnering municipalities, private interests or the District's operations and maintenance staff. Among the structures operated and maintained by the District are 22 jurisdictional flood control dams. Due to their complexity, these dams require an additional level of oversight, managed by the District's dam safety program.

Information on past and present District projects is available below. The list can be filtered to isolate individual particular phases or regions. The Interactive Locator Map on the right side of this page may also be used to identify District projects by location.

Total Active Projects: 45

Project Name Region Phase
115th Avenue and Union Hills Drive Drainage Improvements Project NW Design & Engineering
Ahwatukee Foothills ADMS/P SE Planning & Studies
Alternative Energy System Land Use Entire County Planning & Studies
Ashbrook Wash Improvement Project NE Design & Engineering
Bethany Home Rd. Storm Drain (79th Ave. to 59th Ave.) NW Design & Engineering
Buckeye FRS No. 1 Rehabilitation Project W Design & Engineering
Bullard Wash, Phase II SW Design & Engineering
Cave Buttes Dam Modifications N Design & Engineering
Centennial Wash Floodplain Delineation Study: Gila River to La Paz County NW Floodplain Delineation
Chandler Heights Basin SE Construction
Downtown Buckeye Storm Drain and Basin SW Design & Engineering
Downtown Phoenix Drainage System (Phase I) Central Construction
Durango Regional Conveyance Channel (107th Ave. to Agua Fria River) SW Design & Engineering
Durango Regional Conveyance Channel (75th Ave. to 107th Ave.) SW Design & Engineering
Ellsworth Rd. and McKellips Rd. Drainage Improvements E Design & Engineering
Gila Bend Area Drainage Master Plan Update SW Planning & Studies
Litchfield Park Storm Drain System W Design & Engineering
Loop 303 Outfall Drainage System W Construction
Lower Gila River Floodplain Delineation Study W Floodplain Delineation
Lower Hassayampa Watercourse Master Plan (WCMP) NW Planning & Studies
Lower Indian Bend Wash Area Drainage Master Study Central Planning & Studies
Lower Salt River Floodplain Delineation Study SW & SE Floodplain Delineation
McMicken Dam Project Rehabilitation NW Design & Engineering
Middle Indian Bend Wash ADMS NE Planning & Studies
North Mesa ADMS/P SE Planning & Studies
Palo Verde Watershed Detailed Floodplain Delineation Study NW Floodplain Delineation
Pinnacle Peak West Area Drainage Master Study NE Planning & Studies
Powerline/Vineyard Road/Rittenhouse FRS Rehabilitation or Replacement SE Design & Engineering
Saddleback FRS Modifications W Design & Engineering
San Tan West Area Drainage Master Study (ADMS) SE Planning & Studies
Scatter Wash Floodplain and Floodway Re-Delineation Study (FRDS) Central Floodplain Delineation
Sonoqui Wash Improvements Phase II (Chandler Heights Rd to Crismon Rd) SE Construction
Sonoqui Wash Improvements Phase III (Main Branch) SE Design & Engineering
South Phoenix Two Basins Project -- 27th Ave. and South Mountain Ave. Basin SW Design & Engineering
South Phoenix/Laveen Drainage Improvement Project Addendum SW Planning & Studies
Tempe Area Drainage Master Study (ADMS) SE Planning & Studies
Tres Rios SW Construction
Upper Camelback Wash Drainage Improvement Project NE Design & Engineering
Upper East Fork Cave Creek ADMS Update N Planning & Studies
Van Buren Street Channel (99th Ave to Agua Fria River) W Design & Engineering
Watson Drainage System W Design & Engineering
West Avondale ADMS/P W Planning & Studies
White Tanks FRS No. 4 Outlet SW Design & Engineering
White Tanks FRS No. 4 Rehabilitation W Design & Engineering
Wickenburg Area Drainage Master Study/Plan NW Planning & Studies

 

Total Completed Projects: 182

Project Name Region Maintenance Agency
107th Avenue and Union Hills Drive Design Concept Report NW N/A
10th Street Wash Basins N District, City of Phoenix, Private Parties
10th Street Wash Improvements, Alice Avenue to Arizona Canal Diversion Channel (ACDC) N City of Phoenix
23rd Avenue & Roeser Road Basin & Storm Drain S City of Phoenix
24th Avenue & Camelback Road Detention Basin & Storm Drain N City of Phoenix
26th Avenue/Verde Lane Basin Central City of Phoenix
35th Ave. and Dobbins Rd. Basin and Storm Drain S City of Phoenix
43rd Avenue/Southern Avenue Detention Basin and Storm Drain SW City of Phoenix
48th Street Drain E District, City of Phoenix, ADOT
48th Street Storm Drain SE City of Phoenix, City of Tempe
67th Avenue Storm Drain (Olive Ave. to Arizona Canal Diversion Channel) NW City of Glendale
75th Ave Storm Drain & Durango Regional Conveyance Channel SW City of Phoenix
83rd Avenue and Pinnacle Peak Road Drainage Improvements NW City of Peoria
83rd Avenue Grade Control Structure (New River) NW City of Glendale
9th Avenue Storm Drain, Peoria Avenue to ACDC N City of Phoenix
Adobe Dam N District
Adobe Dam/Desert Hills Area Drainage Master Plan (ADMP) NE Not Applicable
ADOT Pit and Diversion Channel SE City of Tempe
Agua Fria River Channelization and Levees W District, Others
Agua Fria Watercourse Master Plan (WCMP) NW & SW Not Applicable
Aguila Area Drainage Master Plan (ADMP) NW Not Applicable
Aguila Hazard Mitigation Grant Program NW District
Alluvial Fan Refinement Study Entire County Not Applicable
Alma School Drain E City of Mesa, SRP, ADOT
Apache Junction FRS and Floodway E District
Arizona Canal Diversion Channel Central District, City of Glendale
Arizona Canal Diversion Channel Area Drainage Master Study N Not Applicable
Arizona Canal Diversion Channel Improvements Central District
Arlington Valley Floodplain Acquisition NW District
Baseline Road Storm Drain SW City of Phoenix
Beardsley Rd. Drainage System (7th Ave. to 23rd Ave.) N Arizona Department of Transportation
Bell Road Drainage Improvements NW City of Glendale, City of Peoria, City of Phoenix
Bethany Home Outfall Channel - Phase I NW Arizona Department of Transportation
Bethany Home Outfall Channel - Phase II NW City of Glendale, City of Phoenix
Broadway and Rural Drainage Master Plan SE
Broadway Rd. Collector Channel at East Maricopa Floodway E District
Buckeye Area Drainage Master Plan (ADMP) SW Not Applicable
Buckeye FRS No. 1 W District
Buckeye FRS No. 2 W District
Buckeye FRS No. 3 W District
Buckeye/Sun Valley Area Drainage Master Study (ADMS) NW Not Applicable
Bullard Wash, Phase I SW City of Goodyear
Cactus Rd. Storm Drain (67th Ave. to SR-101L) NW City of Glendale, City of Peoria
Cactus Road Flood Control System NE City of Scottsdale
Camelback Rd. Storm Drain (59th Ave. to 75th Ave.) NW City of Glendale
Carefree Drainage Master Plan NE Not Applicable
Carefree Town Center Drainage NE Town of Carefree
Casandro Wash Dam and Outlet NW District, Town of Wickenburg
Cave Buttes Dam and Dikes N District
Cave Creek Channelization N District, City of Phoenix
Cave Creek Dam (Historic) N District
Cave Creek Drainage Master Plan (DMP) NE Not Applicable
Centennial Levee W District
Central Arizona Project Canal Basins SE City of Mesa
Central Chandler Area Drainage System SE City of Chandler
City of Phoenix Dam No. 7 Rehabilitation N City of Phoenix
Cloud Rd. and Sossaman Rd. Basin and Outlet SE Town of Queen Creek (Anticipated)
Colter Channel W District
Completed Floodplain Delineations Entire County Not Applicable
Doubletree Ranch Road Drainage Improvement Project NE Town of Paradise Valley
Dreamy Draw Dam N District
Durango Area Drainage Master Plan (ADMP) SW Not Applicable
Dysart Drain NW District, U.S. Air Force
East Maricopa County Area Drainage Master Study SE Not Applicable
East Maricopa Floodway SE District, Private Parties
East Maricopa Floodway Capacity Assessment SE Not Applicable
East Mesa Area Drainage Master Plan (ADMP) Update SE Not Applicable
East Mesa Drains (Reaches 4 and 7) Improvements SE District
El Mirage Drain NW District
El Rio Watercourse Master Plan SW Not Applicable
Elliott Road Detention Basin and Outfall Channel SE City of Mesa
Ellsworth Channel SE City of Mesa
Elm Lane Drainage Mitigation Project SW City of Avondale
Fountain Hills Area Drainage Master Plan NE Not Applicable
Gila Drain Storm Drain SE City of Tempe
Gilbert Crossroads Park Basin SE Town of Gilbert
Gillespie Area Drainage Master Study (Phase I) SW Not Applicable
Glendale/Peoria Area Drainage Master Plan NW Not Applicable
Golden Eagle Park Dam Modifications NE Town of Fountain Hills
Granite Reef Wash Drainage Master Plan SE Not Applicable
Greenway Parkway Channel NE City of Phoenix
Guadalupe Box and Channel E City of Mesa, MCDOT, District
Guadalupe Drainage Improvement Project SE Town of Guadalupe
Guadalupe Floodplain Delineation Study SE
Guadalupe FRS E District, Private Parties
Harquahala FRS and Floodway W District
Hawes Road Channel Improvements SE City of Mesa
Hermosa Vista/Hawes Rd Storm Drain and Basin E District, City of Mesa
Higley Area Drainage Master Plan SE Not Applicable
Hohokam Area Drainage Master Plan SE Not Applicable
Holly Acres Levee and Bank Stabilization SW District
Indian Bend Wash NE District, City of Scottsdale, City of Tempe, Private Parties
Indian School Rd. Drain (107th Ave. to Agua Fria River) W District
Lafayette Interceptor Drain & Outlet Central City of Phoenix
Laveen Area Conveyance Channel (LACC) SW District, City of Phoenix, Salt River Project
Laveen Area Drainage Master Plan SW Not Applicable
Loop 303 Corridor/ White Tanks Area Drainage Master Plan Update NW Not Applicable
Lower El Mirage Wash Basin NW City of El Mirage
Luke Wash Area Drainage Master Plan (ADMP) NW Not Applicable
Maryvale Area Drainage Master Study (ADMS) Central Not Applicable
Maryvale Stadium West Inlet Channel W City of Phoenix
McDowell Road Basin and Storm Drain Project (Hawes to Sossaman) E District, City of Mesa
McMicken Dam NW District
McMicken Dam Fissure Zone Remediation Project NW District
Metro Phoenix Area Drainage Master Plan (ADMP) Central Not Applicable
Middle New River Watercourse Master Plan NW Not Applicable
New River Channelization NW District, City of Glendale, City of Peoria
New River Dam NW District
North Peoria Area Drainage Master Plan (ADMP) N Not Applicable
Northern Ave. Storm Drain (47th Ave. to 63rd Ave.) NW City of Glendale
Northern/Orangewood Storm Drain NW City of Glendale, City of Peoria
Oak Street Basin and Storm Drain E District, City of Mesa (Anticipated)
Oak Street Storm Drain (58th Street to Indian Bend Wash) E City of Scottsdale
Old Cross Cut Canal Central District, City of Phoenix
Olive Ave. Storm Drain (91st Ave. to 51st Ave.) NW City of Glendale, City of Peoria
Osborn Road Storm Drain (60th St. to Indian Bend Wash) NE City of Scottsdale
Pass Mountain Diversion Channel E District
Perryville Bank Stabilization SW District
Phoenix Rio Salado II S City of Phoenix
Pinnacle Peak Road Channel (99th Ave. to Agua Fria River) NW City of Peoria
Pinnacle Peak South Area Drainage Master Study NE
Powerline FRS and Floodway SE District
Powerline FRS Fissure Risk Zone Remediation SE District
Price Drain SE Arizona Department of Transportation
Queen Creek / Sonoqui Wash Hydraulic Master Plan SE Not Applicable
Queen Creek Area Drainage Master Study SE Not Applicable
Queen Creek Channel (Hawes Rd. to Power Rd.) SE Town of Queen Creek
Queen Creek Channel (Recker Rd. to Higley Rd.) SE Town of Gilbert
Queen Creek Road Basin SE City of Chandler
Rainbow Valley Area Drainage Master Plan (ADMP) W Not Applicable
Rainbow Valley Floodplain/Floodway Delineation Study (FDS) W
Reems Road Channel & Basin NW District, City of Surprise
Rio Verde ADMP NE Not Applicable
Rittenhouse Basin SE District, Town of Gilbert
Rittenhouse FRS SE District
Rittenhouse Road Drain SE District
Rodger Creek Floodplain/Floodway Delineation Study NE
Roosevelt Irrigation District Canal Overchute W City of Avondale, City of Litchfield Park, District
Rose Garden Lane Channel and Basin NW City of Peoria
Saddleback FRS and Diversion Channel W District
Salt River Channel Central Various
Scatter Wash Basin and Channel at Interstate-17 N Arizona Department of Transportation
Scatter Wash Channel (35th Ave. to 43rd Ave.) N District, Arizona Department of Transportation, City of Phoenix
Scottsdale Road Corridor Drainage Improvements NE City of Scottsdale
Scottsdale Road Corridor Drainage Master Plan (DMP) NE Not Applicable
Signal Butte FRS and Floodway E District
Siphon Draw Drainage Improvements SE District, CIty of Mesa
Skunk Creek Channel NW District, City of Glendale, City of Peoria
Skunk Creek Floodprone Properties Acquisition N District
Skunk Creek Low Flow Channel NW City of Peoria
Skunk Creek Watercourse Master Plan NE Not Applicable
Sonoqui Wash Improvements Phase I (Higley Rd to Chandler Heights Rd) SE Town of Gilbert, Town of Queen Creek
Sossaman Channel and Basin SE District
Sossaman Channel Improvements (Baseline Rd. to Guadalupe Rd.) E District
South Phoenix Two Basins Project -- 43rd Ave. and Baseline Rd. Basin SW City of Phoenix
Southeast Phoenix Regional Drainage Basin SE City of Phoenix
Southeast Valley Regional Drainage System SE Arizona Department of Transportation
Spook Hill Area Drainage Master Plan (ADMP) SE Not Applicable
Spook Hill FRS and Outlet E District
Spook Hill FRS/Red Mountain Freeway Modification E District
Sun City and Sun City West Drains NW District
Sun Valley Area Drainange Master Plan (ADMP) W Not Applicable
Sunnycove FRS NW District
Sunset FRS NW District
Tatum Wash Basin NE City of Phoenix
University Drive Basin SE District, MCDOT
Upper Cave Creek / Apache Wash Watercourse Master Plan N Not Applicable
Upper East Fork Cave Creek NE District, City of Phoenix
Upper East Fork Cave Creek Area Drainage Master Study NE Not Applicable
Upper New River Area Drainage Master Plan N Not Applicable
Various Completed Studies Entire County
Vineyard FRS SE District
Wash 5 East and Wash 6 East Floodplain Delineation Study NW
White Tanks FRS No. 3 NW District
White Tanks FRS No. 3 North Inlet Channel NW District & Maricopa Water District
White Tanks FRS No. 3 Outfall Channel W District
White Tanks FRS No. 3 Rehabilitation W District
White Tanks FRS No. 4 W District
Wickenburg Downtown Flooding Hazard Mitigation Project NW Town of Wickenburg
Willow Springs Wash FDS NE
Wittmann and Surprise Area Floodplain Delineation Studies NW Not Applicable
Wittmann Area Drainage Master Plan NW Not Applicable