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Monday, March 4, 2024

URI Watershed Watch finds wet weather affected local water quality in 2023

Program seeks volunteers to monitor ponds, streams, coast

Dave Lavallee 

Dr. Veronica Berounsky takes a sample from Narrow River.
The alumni relations and communications coordinator
for URI’s Graduate School of Oceanography’s Public
Engagement office, has been a Watershed Watch volunteer
for more than two decades. URI photo by Nora Lewis
In 2022, it was the summer’s intense heat that affected water quality in ponds, lakes, rivers and streams throughout Rhode Island, as well at sites in Connecticut, Massachusetts and New York. 

But 2023 was much wetter, causing more stormwater runoff and bacteria to enter the state and region’s bodies of water.

In fact, the National Oceanic and Atmospheric Administration said 2023 brought the Northeast its 17th wettest year since 1895. Last year was Rhode Island’s ninth wettest year.

“We saw the effects of greater precipitation throughout the year across the state. Bacteria counts were higher in many of our rivers and ponds, as well as coastal waters,” said Elizabeth Herron, director of URI’s Watershed Watch program.

The “we” in Herron’s comment refers to the hundreds of volunteers who monitor and test bodies of water across Rhode Island, as well as parts of Connecticut, Massachusetts and New York. The program, which is in its 37th year, is again seeking volunteers for 2024.

Not only do volunteers take water samples and bring them to Herron’s lab at URI for analysis, they observe changes in the waterways and along their banks.

“Last year, some of our volunteers saw something new at Indian Lake and Worden Pond in South Kingstown and Mishnock Lake in West Greenwich—blooms of an invasive plant species called hydrilla,” Herron said. “At Indian Lake, the information about the invasive bloom galvanized people who live along the lake to pull together and discuss solutions.”

Toxic blue green algae, or Aetokthonos hydrillicola, thrive in habitats where hydrilla are present. Hydrilla forms dense mats at the water’s surface, changes pH, removes oxygen, restricts native plant growth, blocks nutrients for aquatic animals, and hinders irrigation, recreation and water flow. Identifying infestations early can help with control efforts.

“We had hoped since hydrilla comes from warmer climates in Asia, Europe and Africa, that it would not survive our colder winters,” Herron said. “But because it doesn’t have any local predators, no insects to eat them, they do really well. The invasion of hydrilla could be a symptom of our warming planet.”

Herron said because the monitors are stewards of our bodies of water, they can keep an eye on things so local communities and government agencies can take action.

Thanks to the Watershed Watch program, much more is known today about how land use, seasonal weather patterns, climate change and other factors affect local waters in good and bad ways. The program, one of the longest running citizen-science projects in Rhode Island, is now seeking additional volunteers to conduct weekly or biweekly monitoring from May to October.

Training for new Watershed Watch volunteers starts March 27 at 6 p.m. at the Coastal Institute in Kingston, and is repeated Saturday, March 30, at 9 a.m. Video sessions will be available for those who can’t make it or would rather not sit in a classroom with others. To learn more and to register for training, check out https://web.uri.edu/watershedwatch/getting-involved/become-a-volunteer/.

Volunteers are matched to a specific site for which they will responsible. Every week or two, typically on a day of their choice, they monitor and test for a variety of water quality indicators. On several designated dates, the volunteers collect water samples that are brought to URI’s Kingston Campus to be analyzed for nutrients, acidity and bacteria.

Among the many water bodies needing volunteer monitors are areas of the Roger Williams Park ponds in Providence, and Sand and Gorton ponds in Warwick. The Warwick sites require a means to get out onto the water, a canoe, kayak or other small boat. But many other sites don’t. Watershed Watch will work with you to find a site that meets your needs if possible.

Many volunteers work in teams to share their monitoring duties, which can also be an enjoyable family activity for parents and their children, Herron said. Teens can use it to gain required community service hours for high school graduation. Ponds, lakes and some saltwater sites are monitored at their deepest point, so access to a boat, canoe or kayak is necessary. But few river and stream sites need a boat. Other sites are monitored from the shore or by wading.

Watershed Watch is sponsored by URI Cooperative Extension in the College of the Environment and Life Sciences, the Rhode Island Department of Environmental Management, and about 48 local organizations and communities. Additional sponsors are always welcome.

For more information or to register for the training sessions, contact Elizabeth Herron at 401-874-4552 or at eherron@uri.edu. Visit the program’s website for detailed information about the program and its list of 2024 monitoring locations.