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State
Private Wells - Lithology Reports
Vermont Center for Geographic Information —
Well lithology records in this layer come from the Department of Environmental Conservation's Water Supply Data Composite. Managed by the Water Resources Section in... -
State
Groundwater Restricted Areas
State of Oregon —
The Department’s role is to protect existing water rights by preventing excessive groundwater declines, restoring aquifer stability, and preserving aquifers with... -
State
Surficial Materials
State of Connecticut —
See full Data Guide here. This data layer includes the information portrayed on the Surficial Materials Map of Connecticut (Stone, J.R., Schafer, J.P., London, E.H.... -
State
Ground Water Classifications Polygon
State of Connecticut —
See full Data Guide here.Ground Water Classifications Polygon: Ground Water Quality Classifications is a polygon feature-based layer compiled at 1:24,000 scale that... -
State
Water Wells
State of Oregon —
This is a hybrid of location sources for well reports (logs). There is one location for all reports, even if it is the same well (new, deepening, etc. may all be... -
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... -
State
Surficial Materials Contacts
State of Connecticut —
See full Data Guide here. This data layer includes the information portrayed on the Surficial Materials Map of Connecticut (Stone, J.R., Schafer, J.P., London, E.H.... -
State
Groundwater Interference
Vermont Center for Geographic Information —
"This is a searchable database representing over 40 years of hydrogeologic information based on yield testing required for new and existing public water supply... -
State
Connecticut Surficial Stratified Drift
State of Connecticut —
These deposits originate from glacial meltwater, either deposited by streams, through settling in glacial lakes or in glacial marine environments. Stratified drift... -
State
Ground Water SPA
Vermont Center for Geographic Information —
Groundwater SPA. This GIS layer consists of the geographic location of the Source Protection Areas for active and inactive Public Community and Non-Transient Non-... -
State
[To be retired] National Groundwater Monitoring Network-Water Level Data
State of Washington —
[This dataset will be retired after October 18, 2025. Contact opendata@wa.gov with questions.] This dataset is part of the Washington Geological Survey's (WGS)... -
County
Groundwater Well Data Search
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... -
State
State of Iowa Registered Wells
State of Iowa —
Combined dataset of all wells with uniform attributes from detailed individual well databases. This dataset is intended to serve as a metadata-level well database.... -
State
[To be retired] National Groundwater Monitoring Network- Well Lithology Data
State of Washington —
[This content will be retired after October 18, 2025. Contact opendata@wa.gov with questions.] This dataset is part of the Washington Geological Survey's (WGS)... -
State
Public Wells
State of Iowa —
Public wells used to determine Source Water Protection capture zone areas. The data are derived from the Iowa Geological and Water Survey Geologic Sample database... -
State
Groundwater Capture Zones
State of Iowa —
Groundwater capture zones are area projected to the land surface determined to provide water to the wells. Capture zones are determined for each groundwater-based... -
State
Surficial Aquifer Texture
State of Connecticut —
Surficial Aquifer Texture Map was prepared from the Surficial Materials Map of Connecticut (Stone, J.R., Schafer, J.P., London, E.H. and Thompson, W.B., 1992, U.S.... -
State
[To be retired] National Groundwater Monitoring Network-Well Construction Data
State of Washington —
[This content will be retired after October 18, 2025. Contact opendata@wa.gov with questions.] This dataset is part of the Washington Geological Survey's (WGS)... -
State
Iowa Source Water Protection Tracker and Mapper
State of Iowa —
Source Water is a lake, stream, river or aquifer where drinking water is obtained. Source Water Protection (SWP) is the act of preventing contaminants from entering... -
City
4.16 Groundwater Supply (summary)
City of Tempe —
This dataset indicates whether the City of Tempe met its groundwater production capacity to meet the projected average for future annual daily demand. Currently,...