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
Wisconsin Caps Caps - General
Washington Caps Caps - General
Vermont Caps Caps - General
Virginia Caps Caps - General
Utah Caps Caps - General
Texas Caps Caps - General
Tennessee Caps Caps - General
South Dakota Caps Caps - General
South Carolina Caps Caps - General
Rhode Island Caps Caps - General
Pennsylvania Caps Caps - General
Oregon Caps Caps - General
Oklahoma Caps Caps - General
Ohio Caps Caps - General
New York Caps Caps - General
Nevada Caps Caps - General
New Jersey Caps Caps - General
New Hampshire Caps Caps - General
Nebraska Caps Caps - General
North Dakota Caps Caps - General
Alaska Caps Caps - General
Alabama Caps Caps - General
Arkansas Caps Caps - General
Arizona Caps Caps - General
California Caps Caps - General
Colorado Caps Caps - General
Connecticut Caps Caps - General
Delaware Caps Caps - General
Florida Caps Caps - General
Georgia Caps Caps - General
Hawaii Caps Caps - General
Iowa Caps Caps - General
Idaho Caps Caps - General
Illinois Caps Caps - General
Kansas Caps Caps - General
Kentucky Caps Caps - General
Lousiana Caps Caps - General
Massachusetts Caps Caps - General
Maryland Caps Caps - General
Michigan Caps Caps - General
Minnesota Caps Caps - General
Missouri Caps Caps - General
Montana Caps Caps - General
North Carolina Caps Caps - General
New Mexico Caps Caps - General
Mississippi Caps Caps - General
Maine Caps Caps - General
Indiana Caps Caps - General
Indiana Pitless Adapters Caps, Covers, or Seals
Hawaii Casing Carbon-Steel
Tennessee Abandonment Cased Well
Oregon Abandonment Cased Wells
West Virginia Construction Casing
Kentucky Casing Casing - Bored, Driven, Radial Collector Wells
New Hampshire Casing Casing - Extensions
Wyoming Casing Casing - General
West Virginia Casing Casing - General
Wisconsin Casing Casing - General
Vermont Casing Casing - General
Virginia Casing Casing - General
Utah Casing Casing - General
Tennessee Casing Casing - General
South Dakota Casing Casing - General
South Carolina Casing Casing - General
Rhode Island Casing Casing - General
Pennsylvania Casing Casing - General
Oklahoma Casing Casing - General
New York Casing Casing - General
Nevada Casing Casing - General
New Jersey Casing Casing - General
New Hampshire Casing Casing - General
Nebraska Casing Casing - General
Alaska Casing Casing - General
Alabama Casing Casing - General
Arkansas Casing Casing - General
Arizona Casing Casing - General
California Casing Casing - General
Colorado Casing Casing - General
Connecticut Casing Casing - General
Delaware Casing Casing - General
Florida Casing Casing - General
Georgia Casing Casing - General
Hawaii Casing Casing - General
Iowa Casing Casing - General
Idaho Casing Casing - General
Illinois Casing Casing - General
Kansas Casing Casing - General
Kentucky Casing Casing - General
Lousiana Casing Casing - General
Massachusetts Casing Casing - General
Maryland Casing Casing - General
Maine Casing Casing - General
Michigan Casing Casing - General
Minnesota Casing Casing - General
Missouri Casing Casing - General
Montana Casing Casing - General
North Carolina Casing Casing - General
Oregon Casing Casing - General
Ohio Casing Casing - General
New Mexico Casing Casing - General
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