National Ground Water Monitoring Network Providers
- Alaska Department of Natural Resources
- Arizona Department of Water Resources
- Colorado Division of Water Resources
- Delaware Geological Survey
- Florida Department of Environmental Protection
- Geological Survey of Alabama
- Ice Mountain
- Illinois State Water Survey
- Indiana Geological Survey
- Iowa Department of Natural Resources
- Iowa Geological Survey
- Kansas Geological Survey
- Kentucky Geological Survey
- Maine Geological Survey
- Michigan Department of Environment, Great Lakes, and Energy
- Minnesota Department of Natural Resources
- Minnesota Pollution Control Agency
- Mississippi Department of Environmental Quality
- Mojave Water Agency
- Montana Bureau of Mines and Geology
- Nebraska Department of Environment and Energy
- New Hampshire Geological Survey
- New Mexico Bureau of Geology and Mineral Resources
- North Carolina Department of Environmental Quality Division of Water Resources
- Oklahoma Water Resources Board
- Oregon Water Resources Department
- Ottawa County
- Presidio County Underground Water Conservation District
- South Carolina Department of Environmental Services
- St. Johns River Water Management District
- Suwannee River Water Management District
- Texas Water Development Board
- University of Nebraska-Lincoln, Conservation and Survey Division
- U.S. Geological Survey
- Utah Geological Survey
- Washington State Department of Ecology
- Water Replenishment District of Southern California
- Wyoming Department of Environmental Quality
