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
Montana Screens Screens - General
Montana Pumps Pumps - General
Montana Plumbness & Alignment Plumbness & Alignment - General
Montana Pitless Units Pitless Units - General
Montana Permitting Permitting - General
North Carolina Location Buildings
North Carolina Location Animal Feedlots, Manure Piles
North Carolina Location Animal Barns
North Carolina Licensing Licensing - General
North Carolina Identification Identification - General
North Carolina Grout Grout - General
North Carolina Gravel/Sand-Packed Wells Gravel/Sand-Packed Wells - General
North Carolina Development Development - General
North Carolina Casing Thermoplastic
North Carolina Casing Steel
North Carolina Casing Casing - General
North Carolina Location Septic Tank/Drainfield
North Carolina Location Landfills
North Carolina Location Potential Contaminants
North Carolina Location Non-Hazardous Waste Storage Treatment
North Carolina Location Location - General
North Carolina Location Industrial/Municipal Sludge-Spreading Site
North Carolina Location Chemical/Petroleum Storage Tanks
North Carolina Location Chemical Storage Areas
North Carolina Location Cesspools, Privies
Arizona Location Spacing
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