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Arizona Department of Water Resources Arizona's Official Web Site
Securing Arizona's Water Future

Community Water Systems

ANNUAL WATER USE REPORTS and SYSTEM WATER PLANS help ensure that community water systems
reduce their vulnerability to drought and are prepared to respond to potential water shortage conditions.
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Community water systems are required to submit a System Water Plan (SWP) update every five years. (ARS §45-342). The system water plan includes a water supply plan, water conservation plan, and drought preparedness plan.

Due Dates for LARGE CWS (serve > 1,850  people) 

Initial System Water Plan January 1, 2007
1st Updated System Water Plan January 1, 2012
2nd Updated System Water Plan January 1, 2017

Due Dates for SMALL CWS (serve 1,850 people or less)

Initial System Water Plan January 1, 2008
1st Updated System Water Plan January 1, 2013
2nd Updated System Water Plan January 1, 2018


  • ADWR will contact new community water systems and provide the initial System Water Plan form.
  • Systems that have not yet submitted an initial System Water Plan should contact ADWR to receive the form.  Call (602) 771-8585 or email us at [email protected]


  • System Water Plan Guidance Document - This document will assist you in developing the initial system water plan, though it can also be useful while completing the updated system water plan
  • Emergency Water Sources - Provides information about the different types of emergency water sources available to community water systems

2016 Annual Reports for community water systems (CWS) outside AMAs are due on or before June 1, 2017.


Report your 2016 water use online through the CWS Annual Report Online Reporting Tool

Estimating water use based on energy records

To file your Designation of Adequate Water Supply annual report: After you finish filing your CWS Annual Report, the online system will automatically redirect you to file the Designation of Adequate Water Supply annual report.


How does Conservation Prepare Communities for Drought?

Planning for future water needs includes conservation as well as augmenting water supplies. This may reduce the chance of declaring an advanced stage of drought and the need for emergency sources of water.

  • By using less water each day, water supplies can be stretched or banked for future use.
  • Using less water overall extends the life of water treatment plants and delays the costs of enlarging facilities or drilling new wells.
  • Conserving water results in more water to go around. To conserve water:
    • Find and fix leaks to save thousands of gallons of lost water.
    • Use rainwater, graywater or reclaimed water to water plants.
    • Plant low water use plants -- - they tolerate water shortages much better than high water use plants, so you won’t have to water as much.

Check out for many more tips about how to use water wisely and efficiently.

  • Read more about community water system requirements