Water Quality Monitoring

a person writes on a clipboard on a dock

The Chesapeake Monitoring Cooperative celebrates 10 years of successes

Ten years ago, the Chesapeake Monitoring Cooperative (CMC) was created as a means to support and connect water quality monitoring initiatives across the Chesapeake region.

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Celebrating 40 Years of RiverTrends!

In 1985, a small group of passionate community members gathered along the shores of Chesapeake Bay tributaries, monitoring kits and clipboards in hand, ready to collect powerful scientific data. With over 100,000 stream miles throughout Virginia, the Alliance recognized major gaps in where agencies were able to collect data.

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A closeup of a thermometer and water sample bottle sitting on a dock

Explore DC’s Waterways with the 2024 Water Quality Monitoring Report

The District of Columbia Citizen Science Water Quality Monitoring Report 2024 is out! The report covers key data and takeaways from citizen science monitoring from the 2024 season and gives insight into water quality near popular recreation sites across the District.

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A close up of a black and white disk over water

Below the Surface of Monitoring: Water Clarity

Water clarity is instrumental in determining the health of the Chesapeake Bay, and has an unquantifiable impact. For one, aquatic organisms rely on light for photosynthesis, especially at depths. When light is limited, food chains are affected from the bottom-up. In addition, some fauna rely on light to see prey and navigate.

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Vertical structures of oysters growing next to water

Below the Surface of Monitoring: pH

Like water temperature and dissolved oxygen concentration, pH is an essential parameter in assessing habitat suitability for aquatic life. This is because pH determines the solubility and availability of nutrients and minerals for the survival of a species.

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A close up of green algae and aquatic plants in the water

Below the Surface of Monitoring: Dissolved Oxygen

Water chemistry is sort of like a finely balanced seesaw. When it comes to dissolved oxygen, water temperature is its trusty friend on the other side. However, the effects of warming waters on dissolved oxygen in the Chesapeake Bay watershed are no game.

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Below the Surface of Monitoring: Water Temperature

Welcome to Below the Surface of Monitoring, a four-part series in which we will dive deep into the nuances of the Alliance’s Water Quality Monitor program.

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A person crouched next to a creek placing a pole into the water

Putting Chesapeake Monitoring Cooperative Data to Use

What good is data if it never gets used? The Chesapeake Monitoring Cooperative (CMC) is here to make sure that doesn’t happen! Each group within the CMC network is monitoring to achieve their own unique and individual goals for education, advocacy, outreach, and communication and have made enormous impacts on their communities.

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Going with the Flow: Volunteer Water Quality Monitoring Can Happen Anywhere

We ask a lot of our water quality monitoring volunteers, and we want to extend a huge thank you to all of our volunteers who have stuck with us as we have navigated the past few years. We couldn’t do this important work to help restore the Chesapeake Bay and our waterways without you!

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Beneath the Surface: Water Quality Monitoring

Our Water Quality Monitoring Initiative works to provide technical expertise, training, and resources in order to engage diverse partners to collect and share water quality data.

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