State Well Codes

State Well Codes

The State Well Codes database stores state standards for the construction of private water wells.

Included in the database is state-specific information on various codes related to well construction and siting. To find information on your state or other states, use the searchable database below.

Please note that this database is intended as a guide and occasionally standards change. WSC updates the database periodically, but we encourage you to obtain a full list of state well codes from the websites provided within the States Contact List to the right of this page. 

If you have questions about the database, corrections or updates, please contact Charlene Bean.

Please click on the State Name in the list below for well code information. If you would like to alphabetize the table, click on the column name in blue.

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State Category Subcategory
Wyoming Abandonment Abandonment - General
West Virginia Abandonment Maintenance & Repair - General
West Virginia Abandonment Abandonment - General
Wisconsin Abandonment Permanent
Wisconsin Abandonment Bedrock
Wisconsin Abandonment Abandonment - General
Washington Abandonment Abandonment - General
Vermont Abandonment Abandonment - General
Virginia Abandonment Abandonment - General
Utah Abandonment Abandonment - General
Texas Abandonment Abandonment - General
Tennessee Abandonment Uncased Wells
Tennessee Abandonment Cased Well
Tennessee Abandonment Abandonment - General
South Dakota Abandonment Maintenance & Repair - General
South Dakota Abandonment Abandonment - General
South Carolina Abandonment Drilled Well
Rhode Island Abandonment Maintenance & Repair - General
Rhode Island Abandonment Abandonment - General
Pennsylvania Abandonment Abandonment - General
Oregon Abandonment Filter or Gravel Pack Wells
Oregon Abandonment Driven & Jetted Wells
Oregon Abandonment Cased Wells
Oregon Abandonment Abandonment - General
Oklahoma Abandonment Abandonment - General
Ohio Abandonment Maintenance & Repair - General
Ohio Abandonment Coarse Grade Or Pelletized Bentonite
Ohio Abandonment Abandonment - General
New York Abandonment Abandonment - General
Nevada Abandonment Abandonment - General
New Jersey Abandonment Maintenance & Repair - General
New Jersey Abandonment Abandonment - General
New Hampshire Abandonment Abandonment - General
Nebraska Abandonment Pitless Adapters & Units - General
Nebraska Abandonment Maintenance & Repair - General
Nebraska Abandonment Abandonment - General
North Dakota Abandonment Abandonment - General
North Carolina Abandonment Maintenance & Repair - General
Alaska Abandonment Abandonment - General
Alabama Abandonment Abandonment - General
Alabama Abandonment Abandonment - General
Arkansas Abandonment Abandonment - General
Arizona Abandonment Abandonment - General
California Abandonment Abandonment - General
Colorado Abandonment Abandonment - General
Connecticut Abandonment Abandonment - General
Delaware Abandonment Abandonment - General
Delaware Abandonment Upper Terminus - General
Delaware Abandonment Pitless Adapters, Units, & Tees - General
Delaware Abandonment Maintenance & Repair - General
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