Panel Discussion: A Public Utility Perspective from

Southern Arizona John Kmiec, Marana Utilities Director

WRRC Conference 2014: Closing the Gap

Between Water Supply and Demand

Tuesday, April 8, 2014

Marana Utilities: Profile

Marana

Water and Wastewater Systems

Municipal Provider (TAMA)

One of 10 providers with an assured water supply

1 MW Hydropower

Need for Change

Need for Change

- 1 to - 2

0 to 1

0 to - 1

- 1 to - 2

0 to 1

0 to - 1 - 2 to - 3

- 3 to - 4

- 4 to - 5

0 to - 1

- 4 to - 5

- 3 to - 4

- 2 to - 3

0 to 1

0 to - 1

0 to 1

Santa Catalina Mts.

Source: TUCSON WATER

LEGEND

Subsidence in inches

USGS 1987-2005

-300 to -350

-250 to -300

-200 to -250

-150 to -200

-100 to -150

-50 to -100

0 to -50

0 to +50

+50 to +100

Water Level Change 1950 - 2008

Need for Change Components of

Natural Recharge in the TAMA

(Mason and Boda, 2006)

*does not include incidental recharge from M,I,A activities

Historical Demands in the TAMA (ADWR - TAMA Assessment, 2010)

-192,771 AF/Y (1985)

Change in Action

Change in Action

Change in Action

The Transition: Challenges & Solutions

50,000

0

100,000

150,000

200,000

Source: ADWR, TAMA Assessment

The Transition: Challenges & Solutions

2000 - 2012

Water level recovery in many

areas

Some areas still in decline

Source:

TUCSON WATER

The Transition: Challenges & Solutions

Addressing areas where declines

continue through Regional

Cooperation and Wheeling

- Recovered CAP

- Effluent

Source:

TUCSON WATER

Marana Moving Forward

Marana Moving Forward

Current Designation: 7580 AF -CAP -LTSC -CAGRD -Effluent -Incidental Recharge

0500

1000150020002500300035004000

1997 2000 2003 2006 2009 2012 2015 2018

Marana Water Department Demand (AF / yr)

Marana Moving Forward

Marana Moving Forward

Marana Moving Forward

Marana Moving Forward

Thank you!

John Kmiec Utilities Director Town of Marana jkmiec@marana.com