Anne Arundel County health officials have ordered the closing of Mill Creek and Dividing Creek in Arnold after a spill of some 312,000 gallons of wastewater.
An estimated 15,000 gallons of wastewater overflowed after a water main broke in Northeast Baltimore.
A raw sewage leak causes some problems in Sykesville.
A tanker leaked gallons of lacquer at the Crown Cork and Seal building in EssexFriday afternoon.
Garrett County officials say about 36,000 gallons of sewage spilled into a creek that flows into Deep Creek Lake.
The Washington Suburban Sanitary Commission says heavy rainfall was the cause of a sewage spill into Accokeek Creek.
State police say the eastbound lanes of Interstate 68 in far western Maryland are closed because of a vehicle fire and hazardous-materials spill.
A tanker truck delivering fuel to a marina in Annapolis caught fire Tuesday afternoon, creating a potential Hazmat situation.
State police say crews are on the scene of a diesel fuel spill from a tractor-trailer in Thurmont.
Frederick County officials are trying to determine why a sewage treatment plant malfunction went unnoticed for 90 minutes.
Anne Arundel County health officials say more than 3,000 gallons of sewage have spilled out of a pumping station in Arnold.
The Flying Dog Brewery in Frederick is resuming operations after an ammonia spill.