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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... -
Federal
Coupling the dual-isotope indicators of water and nitrate indicates legacy groundwater pollution
U.S. Environmental Protection Agency —
Shallow groundwater samples were collected since 2006 for routine analysis by ODEQ from 16 domestic wells (installation dating from the 1970s) and 23 ODEQ groundwater... -
Federal
Compilation of data not available in the National Water Information System for domestic wells sampled by the U.S. Geological Survey in Bradford County, Pennsylvania, May-August 2016
Department of the Interior —
This dataset contains the lithologic class and topographic position index information and quality-assurance and quality-control data not available in the online... -
Federal
Compilation of wells sampled, physical characteristics of wells, links to water-quality data, and quality assurance and quality control data for domestic wells sampled by the U.S. Geological Survey in Potter County, Pennsylvania, April-September 2017
Department of the Interior —
This dataset contains the lithologic class and topographic position index information and quality-assurance and quality-control data not available in the online... -
Federal
From field to groundwater: Quantifying crop N budgets, performance metrics and nitrate leaching in the southern Willamette Valley, Oregon
U.S. Environmental Protection Agency —
This file contains water balances, monthly nitrate leaching and concentrations, field site descriptions and field crop inputs and harvest information. -
Federal
Compilation of data not available in the National Water Information System for domestic wells sampled by the U.S. Geological Survey in Clinton County, Pennsylvania, May-September 2017
Department of the Interior —
This dataset contains the lithologic class and topographic position index information and quality-assurance and quality-control data not available in the online... -
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....