You wouldn't drink this, would you?

Yet you may not know what's actually in your tap water. Contaminants can be invisible to the naked eye, but their effects on your health are real.

Glass of contaminated water

Why Water Quality Matters

Your tap water can contain contaminants that pose serious health risks

45M+
Americans drinking water that doesn't meet quality standards
9M+
Lead service lines still in use across the United States
95%
of tested water samples contained PFAS "forever chemicals"

Our Mission

We provide transparent, accurate information about your water quality so you can make informed decisions

Research-Based

Our data comes from official government sources, independent testing, and environmental reports to give you the most accurate information.

Location Specific

Water quality varies dramatically across regions and even neighborhoods. We provide local data you can actually use.

Education Focused

We translate complex water quality information into easy-to-understand resources that help you protect your family's health.

What We Cover

Our comprehensive water quality resources help you understand:

  • Common contaminants in drinking water across America
  • Health effects of different water pollutants
  • How your local water quality measures up
  • What water quality test results actually mean
  • Regional water quality trends and concerns
Explore Water Quality Data
Water quality testing

Ready to discover what's in your water?

Knowledge is the first step toward making better decisions about the water you and your family drink every day.

Check Your Water Quality Now