Groundwater
- The Groundwater Foundation
This site has information on groundwater, well-water testing, and water contamination concerns, along with lots of other useful information. - NE Dept of Environmental Quality - Groundwater Mgmt Rules & Regs
- Wellhead Protection Areas - By County (NDEQ Website)
- Wastewater Management
This website has links to many documents on the topic of wastewater management.