Iron Bacteria

Iron bacteria, growing on a tall bluff in the Bankhead National Forest.

Iron bacteria are bacteria that derive their energy from oxidizing iron commonly found in groundwater. These bacteria present no threat to health, but they can cause severe straining and damage to fixtures and water treatment devices. They are also an aestheic nuisance and often result in taste and odor issues.

The most common sign of iron bacteria in the water supply is a reddish-brown or yellowish gelatinous slime in water tanks, faucets, toilet tanks, and plumbing. These nuisance bacteria may cause corrosion to treatment equipment, clog screens and pipes, and have a foul odor. It can also be difficult to get rid of.

Water Treatment for Iron Bacteria

Although such radical treatments as well pasteurization can be used, by far the most common approach to iron bacteria control is chlorination. Although sometimes shock chlorination of the well can completely fix the problem, this is rare. Usually, regular, repeated chlorine treatments or constant chlorination are the best solution.

Photo: WikiMedia, author: Ke4rop Mike Henshaw