Groundwater Management Area

Purpose
The purpose of the Groundwater Management Area is to reduce the nitrate contamination concentrations in groundwater below state drinking water standards.
  1. Calendar
  2. News

February 2016

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  1. Thu, February 11

    CANCELLED: GWMA Data Collection Working Group Meeting Conference call in 509-574-2353 Pin: 2353#
    Read on...
  2. Wed, February 17

    GWMA Regulatory Framework Working Group Meeting Conference call in number is 360-407-3780 Pin 306589#
    Read on...
  3. Thu, February 18

    GWMA Groundwater Advisory Committee Meeting No call-in option at this location.
    Read on...
  4. Thu, February 25

    GWMA RCIM Working Group Meeting Conference call in 509-574-2353 Pin: 2353#
    Read on...
  5. Wed, March 2

    GWMA EPO Working Group Meeting To call in: (509) 574-2353 PIN: 2353#
    Read on...
  6. Wed, March 9

    GWMA Regulatory Framework Working Group Meeting Conference call in number is 360-407-3780 Pin 306589#
    Read on...
View All
  1. About

    Learn about nitrates, where the Lower Valley Ground Water Management Area (GWMA) is located and view frequently asked questions.

  2. GWAC

    Learn about the members of the Lower Valley Groundwater Advisory Committee (GWAC) and see general information about the meetings.

  3. Working Groups

    Learn about the various work groups and the work they are doing to address nitrates in the groundwater.

  4. Resources

    Learn about the history of the Lower Valley Groundwater Management Area and view various articles, reports, and research.

To have agendas and meeting summaries from either the GWAC or the work groups sent directly to your inbox, click on Notify Me in the left-hand navigation bar to subscribe.