25-05-2025
DEC warns of harmful algal blooms, advises public to report them when seen
ROCHESTER, N.Y. (WROC) –The New York State Department of Environmental Conservation and Department of Health are reminding New Yorkers to learn about and be aware of harmful algal blooms (also known as HABs) as the warmer months come up. The DEC's New York Harmful Algal Bloom System is now providing New Yorkers the ability to send reports of HABs to the DEC electronically.
The DEC and DOH evaluate HAB reports and once confirmed, reports are posted to the NYHABS page. The page hosts resources such as the online HABs map and reporting system, which features a map of current and archived bloom locations to help keep New Yorkers informed about potential HABs. According to officials with the DEC, cyanobacteria are naturally occurring in the environment, but certain conditions lead to accumulations that become HABs. Blooms are likely triggered by a combination of factors that include excess nutrients such as phosphorus and nitrogen, lots of sunlight, low-water or low-flow conditions, calm water, and warm temperatures. Those at the DEC say HAB occurrence and reporting typically increase throughout the season with the most reports received during the warmest months of August and September. HABs can pose a risk to public health.
'DEC is committed to continuing its nation leading work to address harmful algal blooms in New York's waterbodies and lessen the negative impacts they can pose to water quality,' DEC Acting Commissioner Amanda Lefton said. 'We work closely with DOH on these efforts and reporting any sightings through the NYHABS notification system is a key component in our goal to minimize the frequency of HABs and allow for a more effective response in these areas.'
When it comes to HABs, DEC encourages New Yorkers to 'Know it, Avoid it, Report it.'
HABs vary in appearance from scattered green dots in the water to long, linear green streaks, pea soup or spilled green paint, to blue-green or white coloration. People, livestock, and pets should avoid contact with water that is discolored or has algal scums on the surface. Those who suspect a HAB should report it through the NYHABs online reporting form available on DEC's website. Symptoms or health concerns related to HABs should be reported to the DOH.
'As we enter the summer months and people find themselves enjoying New York State's waters, we encourage them to avoid and report any Harmful Algal Blooms as they can cause health effects in both people and pets,' State Health Commissioner Dr. James McDonald said. 'The Department will continue our work with local water suppliers, beach operators, and the Department of Environmental Conservation to monitor for Harmful Algal Blooms so that we may protect drinking water and recreational use of our freshwaters.'
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