Well Drilling - Drilling Your Own Well
An October 2016 Washington State
Supreme Court case impacts permit-exempt well use, which may affect
some of the information provided on this page.
If you plan to drill your own well, the well must meet these requirements:
Standards for Construction and Maintenance of Wells (Chapter 173-160 WAC). These regulations provide all necessary standards that a new well must meet.
- All new wells constructed in the State of Washington must have a unique
Drilling Fees - Questions and Answers - A fee is required by the
State of Washington to construct or reconstruct water and resource
Request For Variance - Problems and Solutions - A variance is
written permission to use a pre-approved alternative method of well
construction. The most common types of variances requested are for locating
an individual domestic well closer than 1,000 feet to a landfill or for a
well less than 100 feet from a septic system or any potential source of
Surface Seals -
Problems and Solutions - This pamphlet educates the public about the
importance of proper surface seals on wells. Well drillers use casing,
typically steel, to keep drilled holes from collapsing. If just the native
materials are allowed to fill in around the casing, a conduit for water can
form on the outside of the casing, so that dirty water can travel down the
casing and into your well. To prevent this, a surface seal is used.
Some counties have unique requirements regarding well drilling.
If you have questions regarding these requirements, please call your
Delegated County Contact.
State Water Use Laws: The Ground Water Permit Exemption RCW 90.44.050
The groundwater permit exemption allows
the users of small quantities of ground water to construct wells and develop
their water supplies without first obtaining a water right permit from
Washington State Labor and Industries
If you need to find
out if a drilling company is licensed and bonded, we now have a link to the
Washington State Labor and Industries Web site.
Copyright © Washington State Department of Ecology. See http://www.ecy.wa.gov/copyright.htm