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Updated: June 2016

The DPU produces and distributes drinking water to more than 7,000 customers in Los Alamos townsite, White Rock, Bandelier National Monument and the Los Alamos National Laboratory.  

2015 Drinking Water Quality Report

Los Alamos County's 2015 Drinking Water Quality Report is now available. 


Long-Range Water Supply Plan

DPU is taking a revised 2017 Long-Range Water Supply Plan to the Board of Public Utilities on March 15th and County Council on March 28th for approval and adoption.   

  1. 2017 Long-Range Water Supply Plan Figures;
  2. 2017 Long-Range Water Supply Plan Tables.


Water Topics

Source of Los Alamos' Water. The water source for Los Alamos comes from groundwater pumped by twelve wells, which tap the main aquifer under the Pajarito Plateau, part of the Santa Fe formation.  Our system has wellhead protection in place and we treat the water with a purification system called MIOX.

Water Rights. Total water rights available to the water production system as determined by the New Mexico Office of the State Engineer amount to 5,541.3 acre-feet/year.  Additionally, Los Alamos has a contract with the U.S. Bureau of Reclamation for 1,200 acre-feet of water per year from the San Juan/Chama transmountain diversion project.  The San Juan/Chama surface water has never been used in Los Alamos.

Water Conservation.  Visit our Energy and Water Conservation Page for the latest happenings.  Did you know that free conservation devices are available on request at the DPU's 311 Customer Care Center at 1000 Central Avenue?  Faucet aerators, low flow shower heads, leak test kits and more are kept in stock. Please give us a call or an email at 311 or

Contact Information
Public Relations 
Allison Majure 
Department of Public Utilities