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County
Groundwater Well Data Viewer
King County, Washington —
The King County Groundwater Protection Program maintains a database of groundwater wells, water quality and water level sampling data. Users may search the database... -
City
Permitted Nonpotable Wells
City of New York —
A permit is required to install, drill, replace or operate a nonpotable water well in New York City used to supply water to any buildings or affiliated structures....