The National Weather Service warns that rain from Hurricane Irene will likely cause flooding in parts of southern and central Maryland and the Eastern Shore.
The Maryland Department of Natural Resources says whirling disease has been found in a delivery of 8,000 trout stocked in several western Maryland streams.
Most streams in the Chesapeake watershed are in poor condition, according to data released Monday by the Chesapeake Bay Program.
Cleaner streams and woodlands mean a cleaner Chesapeake.
Maryland will become the first state to ban the felt-soled fishing boots that an invasive algae uses to travel from stream to stream. But the ban will have consumers scrambling to replace gear and retailers left with boots they can no longer sell.