wellcare® Hotline: 888-395-1033

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 your state environmental agency or contact the wellcare® Hotline for assistance. 

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
Oregon Location Abandoned Septic Tank or Drainfield
Illinois Location Abandoned Wells
Oklahoma Abandonment Abandonment - Contaminated
Wyoming Abandonment Abandonment - General
West Virginia Abandonment Abandonment - General
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 Abandonment - General
South Dakota Abandonment Abandonment - General
Rhode Island Abandonment Abandonment - General
Pennsylvania Abandonment Abandonment - General
Oregon Abandonment Abandonment - General
Oklahoma Abandonment Abandonment - General
Ohio Abandonment Abandonment - General
New York Abandonment Abandonment - General
Nevada Abandonment Abandonment - General
New Jersey Abandonment Abandonment - General
New Hampshire Abandonment Abandonment - General
Nebraska Abandonment Abandonment - General
North Dakota Abandonment Abandonment - 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
Florida Abandonment Abandonment - General
Georgia Abandonment Abandonment - General
Hawaii Abandonment Abandonment - General
Iowa Abandonment Abandonment - General
Idaho Abandonment Abandonment - General
Illinois Abandonment Abandonment - General
Kansas Abandonment Abandonment - General
Kentucky Abandonment Abandonment - General
Lousiana Abandonment Abandonment - General
Massachusetts Abandonment Abandonment - General
Maryland Abandonment Abandonment - General
Maine Abandonment Abandonment - General
Michigan Abandonment Abandonment - General
Minnesota Abandonment Abandonment - General
Missouri Abandonment Abandonment - General
Montana Abandonment Abandonment - General
North Carolina Abandonment Abandonment - General
New Mexico Abandonment Abandonment - General
Mississippi Abandonment Abandonment - General
Louisiana Abandonment Abandonment - General
Indiana Abandonment Abandonment - General
Kansas Abandonment Abandonment - Grouting Annular Space
Oklahoma Abandonment Abandonment - Hand Dug
Kansas Abandonment Abandonment - Plugging
Indiana Abandonment Abandonment - Temporary
Oklahoma Abandonment Abandonment - Uncontaminated in Alluvium
Idaho Location Above Ground Chemical Storage Tanks
Oklahoma Casing Above-Grade Capping
Oklahoma Casing Above-Grade Connection
Hawaii Casing ABS Pipe
North Dakota Location Absorption Fields
New York Location Absorption Fields or Beds
Wyoming Access Ports & Tubes Access Ports & Tubes - General
Washington Access Ports & Tubes Access Ports & Tubes - General
Utah Access Ports & Tubes Access Ports & Tubes - General
Oregon Access Ports & Tubes Access Ports & Tubes - General
Oklahoma Access Ports & Tubes Access Ports & Tubes - General
Nevada Access Ports & Tubes Access Ports & Tubes - General
New Hampshire Access Ports & Tubes Access Ports & Tubes - General
Arizona Access Ports & Tubes Access Ports & Tubes - General
California Access Ports & Tubes Access Ports & Tubes - General
Colorado Access Ports & Tubes Access Ports & Tubes - General
Connecticut Access Ports & Tubes Access Ports & Tubes - General
Florida Access Ports & Tubes Access Ports & Tubes - General
Georgia Access Ports & Tubes Access Ports & Tubes - General
Hawaii Access Ports & Tubes Access Ports & Tubes - General
Iowa Access Ports & Tubes Access Ports & Tubes - General
Idaho Access Ports & Tubes Access Ports & Tubes - General
Kentucky Access Ports & Tubes Access Ports & Tubes - General
Lousiana Access Ports & Tubes Access Ports & Tubes - General
Massachusetts Access Ports & Tubes Access Ports & Tubes - General
Montana Access Ports & Tubes Access Ports & Tubes - General
North Carolina Access Ports & Tubes Access Ports & Tubes - General
Mississippi Access Ports & Tubes Access Ports & Tubes - General
Rhode Island Location Active Agricultural Areas
Michigan Location Active Work Area Of Landfill
Washington Additional Requirements Additional Requirements - General
Virginia Additional Requirements Additional Requirements - General
Rhode Island Additional Requirements Additional Requirements - General
Oregon Additional Requirements Additional Requirements - General
New Jersey Additional Requirements Additional Requirements - General
Alaska Additional Requirements Additional Requirements - General
Arkansas Additional Requirements Additional Requirements - General
Colorado Additional Requirements Additional Requirements - General
Connecticut Additional Requirements Additional Requirements - General
Kansas Additional Requirements Additional Requirements - General
Lousiana Additional Requirements Additional Requirements - General
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