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On December 19, 2008, Ecology adopted amendments to Chapter 173-160 WAC: Minimum Standards for Construction and Maintenance of Wells. These changes go into effect January 19, 2009.
Ecology worked on the changes for two years with the Technical Advisory Group (TAG), which was created by the Legislature. The TAG is chaired by Ecology and composed of drillers, health officials, an engineer, a Hydrogeologist, and Ecology staff. In this rulemaking. Ecology made typographical and technical corrections, and added new sections to the regulation. The typographical and technical corrections were made to clarify the existing rule to make it easier to understand and use. The new sections contain language limiting the use of certain drilling materials to prevent contamination of ground water. Ecology is requiring that these materials be certified by the National Sanitation Foundation and the American National Standards Institute.
Rule Activity for Chapter 173-160 WAC - Minimum Standards for Construction and Maintenance of Water Wells - includes links to all rule documents: CR-101 to 103, Cost Benefit Analysis, Concise Explanatory Statement, Implementation Plan, and Rule adoption notice.
Ecology issued a Determination of Nonsignificance (DNS) under the State Environmental Policy Act. A Small Business Economic Impact Statement was not prepared as this rule amendment is exempt under RCW 18.85.020(2) and RCW 18.85.030.
The rule was adopted on December 19, 2008. These changes go into effect January 19, 2009.
Bill Lum
Department of Ecology
P.O. Box 47600
Olympia, Washington 98504-7600
Phone: (360) 407-6648
E-Mail: blum461@ecy.wa.gov
Copyright © Washington State Department of Ecology. See http://www.ecy.wa.gov/copyright.html.
