Water Data

Water resources in the National Parks are all part of the hydrologic cycle. The various parts of the water environment are measured by a multitude of agencies that share this information with the public and water resource professionals. Below are links which allow you to search data sources for specific information about water resources.

Ground Water

• USGS Ground Water Data for the Nation

Water Laws and Regulations

• Regulations

Water Quality

• Baseline Water Quality in Parks
• EPA Water Quality Contaminants Encyclopedia
• Hazard & Safety Environmental Contaminants Encyclopedia
• National Water Quality Assessment (NAWQA)
• Water Quality Data System (STORET)
• Water Quality Drinking Water
• Water Quality Policy

Water Resources

• Rain and Snow (National Water and Climate Center)
• Streamflow (Real Time Water Data)

Water Rights

• All Water Rights Branch Stream Gage Data