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Washington Administrative Code (WAC)

Chapter 160

Wash. Admin. Code ch. 173-160

Minimum Standards for Construction and Maintenance of Wells

ECOLOGY, DEPARTMENT OF

173-160-010What is the purpose of this regulation?173-160-030When will this regulation be reviewed?173-160-040How does this regulation relate to other authorities?173-160-050What are the department's enforcement options?173-160-061May I appeal the department's decision?173-160-071May I appeal decisions made by delegated authorities?173-160-073How will the delegated authorities be evaluated?173-160-101What are the general standards that apply to all water wells?173-160-106How do I apply for a variance on a water well?173-160-111What are the definitions of specific words as used in this chapter?173-160-121What should I know about drilling wells that require water right permits?173-160-131What should the well owner know about water metering?173-160-141What are the requirements regarding water well reports?173-160-151Does the department require prior notice and fees for well constructing, reconstructing, or decommissioning a water well?173-160-161How shall each water well be planned and constructed?173-160-171What are the requirements for the location of the well site and access to the well?173-160-181What are the requirements for preserving the natural barriers to groundwater movement between aquifers?173-160-191What are the design and construction requirements for completing wells?173-160-201What are the casing and liner requirements?173-160-211What are the recommended well diameters?173-160-214What are the limitations for use of drilling materials?173-160-216What are the standards for use of polymers and additives?173-160-221What are the standards for sealing materials?173-160-231What are the standards for surface seals?173-160-241What are the requirements for formation sealing?173-160-251What are the special sealing standards for artesian wells?173-160-261How do I seal dug wells?173-160-271What are the special sealing standards for driven wells, jetted wells, and dewatering wells?173-160-281What are the construction standards for artificial gravel-packed wells?173-160-291What are the standards for the upper terminal of water wells?173-160-301What are the requirements for temporary capping?173-160-311What are the well tagging requirements?173-160-321How do I test a well?173-160-331How do I make sure my equipment and the water well are free of contaminants?173-160-341How do I ensure the quality of drilling water?173-160-351What are the standards for pump installation?173-160-361Who may supervise the use of explosives?173-160-371What are the standards for chemical conditioning?173-160-381What are the standards for decommissioning a well?173-160-390Artificial recharge of groundwater bodies 173-160-400What are the minimum standards for resource protection wells and geotechnical soil borings?173-160-406How do I apply for a variance on a resource protection well?173-160-410What are the specific definitions for words in this chapter?173-160-420What are the general construction requirements for resource protection wells?173-160-430What are the minimum casing standards?173-160-440What are the equipment cleaning standards?173-160-442What are the limitations for use of drilling materials?173-160-444What are the standards for use of polymers and additives?173-160-450What are the well sealing requirements?173-160-451What are the minimum standards for direct push resource protection wells?173-160-453What are the minimum standards for construction of ground source heat pump borings?173-160-456What are the minimum standards for construction of grounding wells?173-160-457How are vibrating wire piezometers constructed?173-160-458What sealing materials are allowed for sealing vibrating wire piezometers?173-160-460What is the decommissioning process for resource protection wells?173-160-990Well construction illustrations