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wo lawsuits filed in March signal a new phase in the decades-long struggle between environmentalists and agriculture groups over nitrogen and phosphorous regulation under the Clean Water Act (CWA).

A dispute between the Buzzards Bay Coalition and UMass Dartmouth over lagging research on nitrogen pollution has resolved in a deal to finalize reports on local waterways.

New farm regulations being aired this week by Maryland officials would ease first-ever limits on how, when and where the state's farmers can spread animal manure and sewage sludge on their fields.

Can a blitz of federal money, state outreach and farmer efforts — coupled with new, better data about pollution sources — leverage a significant reduction in farm pollution that reaches a river?

Americans are now eating more chicken than beef or pork. And meeting that demand is an industry that some have dubbed big chicken. Texas is a major player in the industry, and so now Texas must manage a problem that in other circumstances we might describe as fallout or blowback. Dave Fehling of member station KUHF in Houston explains what that problem is.

The few fish found at Yellamappa Setty lake are too toxic to consume, say local people

Anderson Lake State Park reopens on Saturday, and water quality tests indicate the lake is ready for the state fishing season opener. Jefferson County Public Health on April 16 began another season of monitoring its primary recreational lakes, (Anderson, Leland, Gibbs and others as necessary) for the presence of blue-green toxic algae and levels of toxins produced by these algae.

Axim, GHANA. Some fishermen and fishmongers from Axim and its environs in the Nzema East Municipality of the Western Region have expressed deep worry over the sudden appearance and fast-breeding of strange weeds along the beaches and on high waters in the area.

Wisconsin is not fully enforcing strict phosphorus limits adopted two years ago to reduce lake-algae blooms that make people sick, a Gannett Wisconsin Media review has found.

In the summer, sections of Lake Lillinonah turn pea-soup green. That means the annual algae bloom is on.

Mr Beech says unlike mussels, which remove pollution from water, farmed salmon rely on inputs of feed and chemicals and release faeces and other contaminants into the sea. Pollution by raised nitrogen levels causes oxygen depletion which creates the marine equivalent of deserts under farms, he says.

he brackish water in Hickling Broad combined with a ready phosphorous content plus nitrate from agricultural run off is the ideal chemical cocktail to trigger blooms of Prymnesium Parvum alga, the latest outbreak held responsible for releasing its deadly toxin killing fish in Catfield Dyke.

Last week, reports surfaced that Yadkinville's water had an unpleasant odor and taste. Yadkinville town officials, with the help of the N.C. Department of Environment and Natural Resources, found the town's water supply had been affected by an algae bloom in the newly-commissioned reservoir being used by the town its for water production.

TALLAHASSEE, Fla. -- Environmental groups are warning that the "summer slime" season is approaching.

WATSONVILLE - A long-running battle over agricultural pollution of Central Coast water has moved to Sacramento. The Central Coast Regional Water Quality Control Board spent more than three years working on rules governing the discharge of agricultural wastewater before approving a plan in March. But now both sides in the debate are appealing to the State Water Resources Control Board to make changes. Several environmental groups are asking the state board to tighten rules for nitrate discharge.

FRIDAY, April 13 (HealthDay News) -- A moderate "red tide" is expected in New England this spring and summer that could force the closing of shellfish beds, according to experts.

Today, the South Florida Water Management District governing board gave direction to staff and scientists to send pulses of fresh water through the system to break up and minimize algae blooms, said Terrie Bates, the SFMD Water Resources Division director.

LEE COUNTY, Fla. - Dan Dobson and his family are loading onto their boat at the W.P. Franklin Lock. They came from Michigan to spend the week fishing. But fisherman like Dobson are being asked to be aware before they approach the Caloosahatchee or any of its tributaries.

Maryland's law limiting lawn fertilizer practices doesn't kick in for more than a year yet, but state officials are urging homeowners to get a jump on the new curbs by limiting how much grass food they put down now.