https://digitalcommons.unl.edu/agecon_cornhusker/16/
"Community Options for Wellhead Protection Areas" by J. David Aiken
The Wellhead Protection Area Act (WHPA Act) was adopted in 1998. The WHPA Act authorizes public water suppliers (primarily cities and villages) to designate...
community optionswellhead protectionby jareasdavid
https://geo.wa.gov/datasets/WADOH::wellhead-protection-areas-assigned
Wellhead Protection Areas (Assigned)
This data set is used as a reference layer for geographic information systems to show the approximate locations of public water supply wellhead protection...
wellhead protectionareasassigned
https://www.epa.gov/water-research/wellhead-protection-area-whpa-model
Wellhead Protection Area (WHPA) Model | US EPA
Apr 3, 2026 - WHPA is a semi-analytical groundwater flow simulation program used for delineating capture zones in a wellhead protection area.
wellhead protectionareamodelusepa
https://gis.data.mass.gov/datasets/CCCommission::dep-approved-wellhead-protection-areas
DEP Approved Wellhead Protection Areas
DEP Approved Wellhead Protection Areas (Zone II).
wellhead protectiondepapprovedareas