Nutrients
Public water data, made clear
Every river has a story in its chemistry.
Rivistry turns public monitoring records into a visual guide to the water flowing through our communities.
River health9core measures
01DOOxygen
02TPNutrients
03pHChemistry
What the numbers reveal
Water quality is a
connected system.
No single number tells the whole story. Rivistry brings related measurements together so seasonal patterns and differences between locations are easier to see.
Aquatic life
See how a river breathes.
Dissolved oxygen and temperature reveal the conditions fish and other organisms experience.River chemistry
Read the water’s signature.
pH, conductivity, and suspended solids show how geology, roads, weather, and communities shape the river.Explore rivers
Start with a place.
Meet its river.
Choose a state, narrow to a region or watershed, and select a river to open its monitoring dashboard.
Open river finder →1
StateMA · CT · NH
✓2
RegionChoose a watershed
→3
RiverOpen the data
→New · Community observations
Your camera can help
tell the river’s story.
Upload a wildlife, plant, water-condition, or cleanup photo. AI offers a careful first suggestion, and every contribution waits for review.
Share what you saw →◎
Possible identificationGreat blue heronAI suggestion · confirm before saving
Review →Built on public science
Watershed organizationsMassDEPEPA Water Quality PortalUSGS Water Data
Each dashboard keeps measurements connected to the organization, station, sampling date, unit, and published source.