alamo wash basin management study - pima...

Alamo Wash Basin Management Study Project Update – September 2018

FLOOD CONTROLFLOOD CONTROL

Project Location

The Pima County Regional Flood Control District (District) has begun work on the Alamo Wash Basin Management Study (Study). The Study area encompasses about 9.5 square miles within the City of Tucson and includes the Alamo, Arcadia, Van Buren and Sahuara washes.

Project Description

The purpose of the Study is to identify flood-hazard areas and drainage problems in order to develop a comprehensive flood-control plan (Plan) that provides cost-effective solutions to alleviate and/or manage flooding within the Study area. The goal of the Plan is to develop strategies that reduce flooding, improve public safety and provide a balanced multi-objective approach to managing the watersheds, floodplains and resources in a fiscally responsible way. In addition, the Plan will provide guidance for development, redevelopment and retrofits in flood-prone areas and drainage alternatives to further limit the potential for flooding. Finally, the Plan will ensure that the floodplain management regulations will balance potential competing interests in the community.

Project Outreach

This website was created for this study and contains project details including status.

• A public sector stakeholders meeting was held Friday, Feb. 10, 2017.

• The District hosted two open house meetings to solicit additional input from the public. Those open house events were held on Mar. 22, 2017, at Sky Islands Public High School (6000 E. 14th St.) and Oct. 23, 2017, at Dodge Traditional Magnet School (5831 E. Pima St.). A third and final Open House will be held in late 2018.

• The District has submitted revised regulatory discharge values to the Federal Emergency Management Agency (FEMA) for review and approval. Those discharge values are to be used in the alternatives analysis.

Existing Conditions Analysis

Floodplain Delineations

FEMA CLOMR/LOMR

Alternatives Analysis

Public Involvement

0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30Nov 2016

May 2019

Project Timeline

Months

ALAMO WASH BASIN MANAGEMENT PLAN

Nov 2017

Nov 2018

Project Contacts

Terry Hendricks, CFM Project ManagerPima County Regional Flood Control District(520) [email protected]

Jerry Curless, P.E.Study Team Project Manager CMG Drainage Engineering (520) 882-4244 ext [email protected]

Nanette Pageau Project OutreachKaneen Communications (520) [email protected]

To report a flooding problem in the City of Tucson, call (520) 791-3154

or email [email protected].

Alamo Wash flowing after a recent monsoon rain.

See comparison photosAlamo Wash Watershed 2018 (Fully Developed)Alamo Wash Watershed 1936 (Undeveloped)

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SUMMERLINVILLAS APTS

ENCLAVE AT VALLEY RANCH

PASEO D

E LOS R

IOS

FT LOWELL

GARRISON CT

GLENN ST

VAN

BU

REN

AVE

SENECA ST

RAINBOW VISTA

HAMPTON ST.

SWA

N R

D

CR

AYC

RO

FT R

D

FORT LOWELL RD

RIVER RD

GRANT RD

CAMP LOWELL DR

TANQUE VERDE RD

RIVER RD

KOLB RDWIL

MO

T R

D

SAH

UA

RA

WA

SH

COLUMBUS WASH

VALL

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IEW

WA

SH

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ANA

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BU

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WA

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ALAMO

WASH

CO

LUM

BU

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ASH

UNKNOW

N

CR

AYC

RO

FT W

ASH

UN

KN

OW

N

FLETCHA CAIDA WASH

AR

CA

DIA

WA

SH

ROSE HILL WASH

ALAMO WASH

UNKN

OW

N

UNKNOWN

MID

WAY

WA

SH

TANURI WASH

TANQUE VERDE WASH

RILLITO RIVER

PANTANO WASH

Source: Esri, DigitalGlobe, GeoEye, Earthstar Geographics, CNES/Airbus DS, USDA, USGS, AeroGRID, IGN, and the GIS User Community

SHEET 1

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Sheet Index

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LEGENDOpen House #1 Comments @ Problem Location

!< Open House #1 Comments @ Commenter's Address

Open House #2 Comments @ Problem Location


Watershed

Historical Flooding

&& Historical Flooding & Paper Drainage Complaints

Electronic Drainage Complaints

Washes

W.A.S.H. Watercourses

City

ZONEZONE A

ZONE AE

ZONE AH

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DATA COLLECTION

PROJECT NO.16-043

DATE: 08/03/2018

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Open House Comments noted on Alamo Study Area Map – 1 of 4

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UN

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SHEET 4

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Watershed

Historical Flooding



Washes


City

ZONEZONE A

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DATA COLLECTION

PROJECT NO.16-043

DATE: 08/03/2018

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AVEN

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SHEET 1

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SHEET 3

SHEET 4

Sheet Index

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Watershed

Historical Flooding



Washes


City

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¥1 inch = 600 feet

600 0 600300 Feet

DATA COLLECTION

PROJECT NO.16-043

DATE: 08/03/2018

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CALLE LUNA

CALLE MARTE

PRU

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LAKESIDE DR

CAMINO SECO

WIL

MO

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GOLF LINKS RD

ESCALANTE RD

KOLB

RD

PAN

TANO

RD

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IRVINGTON RD

ALA

MO

WA

SH

DM DETENTIONOUTLET

UNKN

OW

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UNKNOWN

ATTERBURY WASH

PANTANO WASH

TUC

SON

DIV

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CH

AN

NEL

ATTERBURY WASH

UNKNOWN

UNKNOWN

UNKNOWN

KIN

NIS

ON

WA

SH


SHEET 1

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SHEET 3

SHEET 4

Sheet Index

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Watershed

Historical Flooding



Washes


City

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600 0 600300 Feet

DATA COLLECTION

PROJECT NO.16-043

DATE: 08/03/2018

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SHEET 1 OF 4


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