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Title

Chapter wac173-160 WAC, Minimum Standards For Construction And Maintenance Of Wells

 
WAC number Origin Date Last Update
wac173-160September 1988December 2008
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Description What is the purpose of this regulation?

(1) These regulations are adopted under chapter 18.104 RCW, to establish minimum standards for the construction and decommissioning of all wells in the state of Washington.

(2) The following are excluded from these regulations:

(a) Any excavation that is not intended to locate, divert, artificially recharge, observe, monitor, dewater, or withdraw ground water except resource protection wells, ground source heat pump borings, grounding wells, and geotechnical soil borings.

(b) Any excavation for the purpose of obtaining or prospecting for oil, natural gas, minerals, products of mining, quarrying, inserting media to repressure oil or natural gas bearing formations, storing petroleum, natural gas, or other products, as provided in chapter 78.52 RCW.

(c) Infiltration or exfiltration galleries, trenches, ponds, pits, and sumps, except where the department determines that the intended use of the excavation meets a definition in RCW 18.104.020.

(d) Grounding wells and grounding rods that are installed to a depth of twenty-five feet or less.

(3) Under chapter 90.48 RCW, those excavations excluded in subsection (2)(a) through (d) of this section shall be constructed, maintained, and decommissioned to ensure protection of the ground water resource and to prevent the contamination and waste of that resource.

(4) The following wells are regulated under this chapter and may be regulated under chapter 173-218 WAC: Injection wells used to dispose of water which has been withdrawn for heating or cooling purposes and remediation wells that are used to inject any substance to remediate, clean up, or control potential or actual contamination.
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Program Contact Water Resources Program Reception Desk at 360-407-6872
Agency Rule Coordinator Bari Schreiner, 360-407-6886 or bari.schreiner@ecy.wa.gov
Keywords wells, infiltration, order, standards, water, construction, mining, waste, dust, ground water, petroleum, soil, minimum standards
WEB PAGE Well Construction and Licensing
RELATED PUBLICATIONS Title:

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