Know what’s in your water.
ClearDive Maps is a community-driven map of water pollution — crowdsourced test results, moderated for accuracy, layered with government monitoring data, and explained with real health-risk research.
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Verified readings
10
Pollutants tracked
4
Reference stations
Log a sample in minutes
Test your tap, well, favorite trail stream, or campsite — enter what you found and where.
Moderated for accuracy
Every submission is reviewed by a volunteer moderator before it goes public, so the map stays trustworthy.
Earn certification
Build a star rating and certification level as your track record grows — unlocking higher-trust reporting.
Color-coded pollutant map
See exactly which pollutants are nearby, filter by type, and compare crowdsourced data with government monitoring.
Backed by public data
Readings are layered alongside EPA Water Quality Portal and USGS monitoring station data for extra context.
Understand the health risks
Every pollutant page summarizes health risks with citations to EPA, WHO, CDC, and peer-reviewed research.
New to water testing?
Our step-by-step sampling guide covers where to sample, what tools to use, which pollutants matter for your site, and how to log a submission that sails through moderation.
Read the sampling guide