Welcome to EnviroDIY, a community for do-it-yourself environmental science and monitoring. EnviroDIY is part of WikiWatershed, an initiative of Stroud Water Research Center designed to help people advance knowledge and stewardship of fresh water.
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New Zealand Scientists Test Pollutant Monitoring Using EnviroDIY Hardware

Researchers in New Zealand discovered that high-frequency monitoring of rivers yielded a more accurate accounting of nitrogen, phosphorus, and sediment loads than monthly grab samples allowed for. While high-frequency monitoring was more expensive, “the added investment is minor when weighed against the risks of poorly informed land management actions or generic policies based on limited con...[Read More]

Floodzilla Gauge Network: Community-Designed Flood Monitoring

Flooding is a part of life in the lower Snoqualmie Valley in Washington. The Floodzilla Gauge Network helps residents, land managers, and farmers prepare.

Mayfly Data Logger gets OSHWA Certification

The EnviroDIY Mayfly Data Logger was recently certified by the Open Source Hardware Association, verifying that the project meets all the criteria for open source compliance.

Stream Sleuths

David George, a volunteer for the Angelica Creek Watershed Association, was alerted by a Mayfly Data Logger that something unnerving was happening in the creek.

EPA Publishes EnviroDIY-Based Monitoring Results

The U.S. Environmental Protection Agency has come full circle with EnviroDIY and the Mayfly Data Logger.

Monitor My Watershed: New Release!

This new version enhances performance, addresses important bugs, and improves scalability and reliability.

A River Flood Monitoring System for Rapid Deployment

Filling river monitoring gaps requires systems with low size, weight, power consumption, and cost. Stroud Water Research Center’s ORCA fits the bill.

Real-Time Monitoring of Pollution Biosentinels

New technology measures water pollution severity by relating how long shellfish keep their shells closed relative to tidal patterns in salinity and oxygen.

Reliable, Low-Cost Methods for Sensor Deployment in Estuaries

Stroud Water Research Center investigated tidal dynamics and associated sediment movement in two Maryland rivers using EnviroDIY Monitoring Stations.

Learn EnviroDIY With Us!

Stroud Water Research Center is offering a two-day, in-person workshop to introduce EnviroDIY technologies, including the Mayfly Data Logger.

An Autonomous Lighted Insect Trap to Assess Aquatic Ecosystem Health

University of Wisconsin mechanical engineering students are developing a digital insect light trap to assess insect populations cheaper, faster, and better than current methods.

New in Monitor My Watershed: Organization Site Ownership

This is just one of many improvements planned for Monitor My Watershed, including significant performance improvements and new batch upload capabilities.

N Ca Mayflys through the winter storms

Following on from the phased deployment  envirodiy.org/mayflys-in-coastal-redwoods-northern-california I’m pleased the way my fork of ModularSensors has been working with the winter storms, in incised  riparian locations with lots of vegetation around and challenging cell phone connections. The real-world in streams on the West Coast USA. Though when I dig deeper into some of the nodes d...[Read More]

Mayflies in Coastal Redwoods – Northern California

I’ve completed a deployment of remote telemetry monitoring of depth gauges with the purpose of visualizing depth readings for Trout Unlimited California.

How a Nascent Internet of Water Gave Rise to the State-of-the-Science in Sensor Data Sharing

Data producers willing to share their data are the foundation of the Internet of Water, but first and foremost, that data must serve the needs of the data producer.

Open Data and Open Hardware: Tools for Collaborative Solutions to Water Challenges

Open hardware for water monitoring, combined with a national network of technical support for community science enabled by powerful web-based data sharing and management tools, is leading a revolution in solving water pollution problems.

How Do EnviroDIY Monitoring Stations Compare With USGS Stations?

A statistical comparison of temperature, depth, conductivity, and turbidity collected by EnviroDIY and USGS equipment shows comparable measurements and helps identifies what parameters require different levels of quality control.

New Mayfly v1.1 release date and Product Status page

The new Mayfly v1.1 boards will be available starting March 10, 2022.

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