Stroud Water Research Center produces the trusted science needed for successful stream and river conservation while fostering people’s passion for the water in their lives.

What We Do

Freshwater Research

Environmental Education

Watershed Restoration

From Freshwater Science to Real-World Solutions

The Stroud Center integrates scientific discovery, watershed restoration, and long-term monitoring to generate practical solutions for freshwater protection.

Research, watershed restoration, and monitoring feedback loop.

Learn About Our Impact

Expanding Access to Water Quality Monitoring

Globally, more than 3 billion people lack water quality data. Expanding access to monitoring tools helps communities protect their water and safeguard public health.

High school science teachers install an EnviroDIY Monitoring Station near a stream in Lancaster County, Pennsylvania.

Bhutanese women identify aquatic macroinvertebrates.

Explore Our Tools

Latest Freshwater News

A split image, above and below the water of a forested stream in the Schuylkill Highlands, Pennsylvania.

Protecting Our Waters Starts With This Definition

A new proposed rule would narrow the Waters of the United States definition, potentially removing protections from many streams and wetlands.

Publication title with image of a mayfly

Fish assemblage integrity and watershed urbanization across national parks of the National Capital Region, USA

Peipoch, M., D. Myers, M. Daniels, D. Oviedo-Vargas, and J.P. Schmit. 2026. River Research and Applications, early online access.

Gordonville farm buffer installed fall 2023.

Connecting People, Restoring Streams in Lancaster County

Lancaster Clean Water Partners brings people together to tackle the county’s water quality challenge. The approach is already producing tangible results.

Celebrating Strong Partnerships for Healthy Waters With TNC

We’re proud to be featured in The Nature Conservancy’s Stream Stewards: A Guide to Watershed Stewardship Through Community Science and Youth Engagement.

John Jackson, Ph.D., accepts the 2025 York County Master Watershed Stewards Outstanding Partner Award on behalf of the Stroud Center.

Stroud Center Honored With 2025 Outstanding Partner Award

Partnerships are the keystone of a successful Master Watershed Steward program, and we are honored to have worked alongside the York County, Pa., group.

Stroud Center entomologists have been sampling macroinvertebrates in the Susquehanna River near Procter & Gamble’s Mehoopany plant since 1974.

Fund Long-Term Research Like Infrastructure

Long-term environmental research is how communities detect risks early. It is how we make smarter decisions, reduce costs, and protect public well-being.