Agricultural Experiment Station
South Dakota Department of Agriculture and Natural Resources
Harmful Algal Blooms (HABs) - SD DANR
South Dakota State Health Laboratory
East Dakota Water Development District
South Dakota Certified Drinking Water Lab
U.S. Department of Agriculture
Colorado State University Water Quality Interpretation Tool
South Dakota Association of Conservation Districts
NSF International The Public Health and Safety Company
EPA's Safe Drinking Water Hotline
EPA's National Primary Drinking Water Regulations
North Dakota Water Resources Research Institute at NDSU