UPDATE September 5, 2021
The hypoxic lake water has moved and is no longer affecting our treatment plant. We will continue flushing hydrants to help clear residual discolored water. The water remains safe to drink.
The discoloration should start to clear through Sunday and into Monday. Customers who experience discoloration should run cold water for several minutes until clear. If the issue remains, please call our Emergency Line at 216-664-3060.
September 2, 2021
Cleveland Water customers in some eastside communities may experience discolored water due to higher than normal levels of manganese.
Affected areas include the following communities: Beachwood, Cleveland Heights, Euclid, Gates Mills, Highland Heights, Hunting Valley, Lyndhurst, Mayfield Heights, Mayfield Village, Pepper Pike, Richmond Heights, South Euclid.
There is no boil alert in effect. The water is safe to drink and still meets all primary drinking water regulations. The discoloration, which appears as a yellow to light brown tint, is due to hypoxic Lake Erie water coming into our Nottingham Water Treatment Plant.
Hypoxic water can have elevated levels of manganese, which is a mineral that naturally occurs in rocks, soil, and many types of food. Adjustments have been made to the treatment process; however, the levels of manganese in hypoxic water impacting our intakes are highly variable and therefore challenging to remove.
The U.S. EPA has a secondary drinking water standard for manganese which means its presence in water is an aesthetic concern, as discoloration can occur at levels above 50 parts per billion (ppb), but it is not considered a health risk.
Elevated manganese levels in surface water sources are temporary in nature. Crews are flushing hydrants throughout the affected area in an effort to minimize discolored water.
If you experience discolored water, remember the water is safe to use; however, you should avoid doing laundry as staining may occur. Water may also have a slight metallic bitter taste, especially when heated.
Customers who experience discolored water are encouraged to call 216-664-3060 to report discolored water. Please provide your name, address, telephone number, and when the discoloration began. We are tracking discolored water complaints to strategically flush hydrants and have shifted much of the system load away from the Nottingham plant.