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
WisconsinLocationGrease Interceptor
WisconsinLocationFuel Oil Tank
WisconsinLocationFilter Strip
WisconsinLocationFertilizer or Pesticide
WisconsinLocationDoghouse Or Kennel Housing 3 Or Fewer Adults
WisconsinLocationDitch
WisconsinLocationCoal Storage ( > 500 Tons)
WisconsinLocationCistern
WisconsinLocationCemetery Grave Sites
WisconsinLocationBuilding Overhang
WisconsinLocationBarn Gutter
WisconsinLocationAnimal Barn/Shelter/Yard
WisconsinLocationAnimal Barn Pen
WisconsinLocationAir Shaft
WisconsinLicensingLicensing - General
WisconsinGroutSodium Bentonite Water Slurry
WisconsinGroutPlacement
WisconsinGroutNeat Cement
WisconsinGroutConcrete Grout
WisconsinGroutClay Slurry
WisconsinGroutCement Grout Placement
WisconsinGravel/Sand-Packed WellsGravel/Sand-Packed Wells - General
WisconsinElectrical ConnectionElectrical Connection - General
WisconsinDisinfectionDisinfection - General
WisconsinDevelopmentDevelopment - General
WisconsinCross ConnectionCross Connection - General
WisconsinConstructionUnconsolidated Formations
WisconsinConstructionDrilled Bedrock Construction-Low Capacity Wells
WisconsinCasingThermoplastic
WisconsinCasingTemporary
WisconsinCasingSteel
WisconsinCasingLiner
WisconsinCasingCasing - General
WisconsinCapsCaps - General
WisconsinAbandonmentPermanent
WisconsinAbandonmentBedrock
WisconsinAbandonmentAbandonment - General
WashingtonWell Pits or VaultsWell Pits Or Vaults - General
WashingtonWell Head CompletionWell Head Completion - General
WashingtonTestingTesting - General
WashingtonSealsSurface
WashingtonScreensScreens - General
WashingtonPumpsPumps - General
WashingtonPlumbness & AlignmentPlumbness & Alignment - General
WashingtonPitless UnitsPitless Units - General
WashingtonPermittingPermitting - General
WashingtonPackersPackers - General
WashingtonMetersMeters - General
WashingtonLocationSewers
WashingtonLocationSeptic Tank
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