National Source-Type Hubs
Browse U.S. community drinking-water profiles grouped by source-water type.
Source-Type Categories
- Ground Water Systems
- Systems that draw primarily from underground aquifers. Ground water systems face distinct risk profiles including well field maintenance, aquifer depletion, and contamination vulnerability from surface activities.
- Surface Water Systems
- Systems that draw primarily from rivers, lakes, or reservoirs. Surface water systems face treatment complexity, seasonal variability, watershed protection demands, and exposure to drought and climate patterns.