Groundwater Levels Service
You can use this service to retrieve historical manually-recorded groundwater levels from hydrologic sites served by the USGS. If you are looking to retrieve data for real-time or recent groundwater levels recorded with automated equipment on a regular basis, please use the instantaneous values web service.
Groundwater Levels Service Details
Retrieve historical manually-recorded groundwater levels from hydrologic sites served by the USGS. (If you are looking to retrieve data for real-time or historical groundwater levels recorded on a regular basis using automated equipment, please use the instantaneous values web service.)