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Water Management

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Tucson AMA Groundwater Users Advisory Council

The 1980 Groundwater Code established a Groundwater Advisory Council (GUAC) in each Active Management Area (AMA). The group consists of five members. Members of the GUAC are appointed by the governor to represent the users of groundwater in the AMA, and on the basis of their knowledge of interest and experience with problems relating to development, use and conservation of water.

The term of office of each member is six years. The terms are staggered, expiring in January of each even numbered year. Every other even numbered year, the members of the GUAC elect a chairman and vice chairman. Members of the GUAC serve without compensation.

Some of the important duties of the GUAC include:

  1. Advise the active management area director, make recommendations on groundwater management programs and policies and comment to the area director and to the director of the Department on draft AMA management plans before they are promulgated.
  2. Provide comment to the Arizona Water Banking Authority with regard to draft plans for additional storage facilities and draft plans of operation.
  3. Manifest and record its official actions by motion, resolution or other appropriate means.

Current members of the GUAC are:



Appointment Date

Term Expiration

Tim Thomure
Tucson Water
Val Little
Pat Jacobs
John Mawhinney (Chairman)
AZ Water Banking Authority
Dan M. Offret (Vice-Chairman)


Tentative 2018 Schedule

10:00am at Metro Water District

(unless noted otherwise)

February 27 - 10:00am



(all agendas are in acrobat_icon Adobe Acrobat® format)


Tucson AMA Meeting Materials


Archived Meetings


Tucson AMA: Institutional and Policy Advisory Group (IPAG)

The Tucson AMA Institutional and Policy Advisory Group (IPAG) is an ad hoc body that discusses and analyzes regional water policy issues, and serves as the technical arm of the GUAC. IPAG was formed as part of an ambitious recharge planning process that began in the fall of 1995.

The Regional Recharge Planning Process involved the Regional Recharge Committee (entirely technical experts), and IPAG (policy-oriented representatives). Staff from the Tucson AMA provided support and coordination. The Regional Recharge Committee produced a Technical Report (1996) with physical data that served as the foundation IPAG then used to evaluate the institutional, political and economic components of regional recharge. IPAG embarked on an extensive process that included a needs assessment and development of evaluation criteria for existing, planned and proposed recharge projects. The final product was the Regional Recharge Plan.

Tucson AMA Regional Recharge Plan (all chapters and appendices are in acrobat_icon Adobe Acrobat® format)

Executive Summary
   I.  Introduction
  II.  Sources Of Recharge Water
 III. Technical Factors Affecting Recharge Planning
 IV.  Legal Regulatory Setting
  V.  Recharge Demand: Potential Project Participants
 VI.  Range Of Potential Recharge Facility Needs

 VII.  Development Of Alternative Demand Plans—Scenario Analysis
VIII.  Value Identification—Needs Assessment Survey Of Potential Recharge Participants
  IX.  Recharge Project Site Assessment And Capacity Analysis
   X.  Conclusions, Recommendations And Implementation Issues

In the spring of 2000, IPAG began evaluating issues related to storage by the Arizona Water Banking Authority (AWBAoffsite icon ) in the Tucson AMA. This work led to the development of a decision support tool that helped analyze the M&I subcontract firming requirements in the AMA. The results of that analysis, and the issues related to the "firming gap" were presented to the Central Arizona Water Conservation District

(CAWCDoffsite icon) and the AWBA.




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