Manure Blamed for Killing Wisconsin Trout http://abcnews.go.com/Technology/wireStory?id=543065 --snip--
MADISON, Wis. Mar 1, 2005 — Manure spread on a frozen field is blamed for killing dozens of brown trout in a southern Wisconsin stream, just months after the federal government removed the river from its list of impaired waters.
Environmental groups and volunteers spent hundreds of hours turning the shallow, muddy West Branch of the Sugar River into prime trout habitat, with the help of more than $900,000 in state and federal grants.
The stream was damaged after a farmer spread liquid cow manure on
an icy field, just weeks before public hearings start on proposed new rules
that would streamline the process for expanding livestock farms in the state.
A thaw Friday sent the waste running into the stream, said Michael Sorge, a water resources specialist with the state Department of Natural Resources. He said the trout were killed by ammonia from the manure. ...