The Rock County Sheriff's Office has declared slow-no-wake restrictions on the Rock River north of the West B-R Town line Bridge. Deputies say the Rock River is forecast to reach minor flood stages by the end of the weekend. The US Geological Survey says the water level at Lake Koshkonong is 8.49 feet. Flood stage at Koshkonong is eight feet. The water level at Afton is 7.62 feet. The flood stage there is 6.5 feet. Lake Koshkonong itself is not part of the slow-no-wake restrictions.
