Naturally forming in the aquifer is a chemical called Manganese. This Manganese is what causes discoloration and even some odor in the water at times. Although the water is unpleasantly looking or even smelly, the manganese is considered a secondary contaminate and is not a health concern unless consumed in very high doses.

What is the best way to flush out discolored water?

Note: Refrain from using any hot water until the discoloration is gone. Also, tiny particles of debris may plug up faucet screens restricting the flow of water, so you may need to remove the screen heads before flushing inside lines.

Flow the discolored water from your cold water taps only, starting with the outside hose bibs. Flush the closest hose bib to your water meter, then the farthest, before opening any faucets inside your home or business.

Note: If you experience any sputtering of air with the water: keep flushing the outside hose bibs first, then find the cold-water faucet that is the highest point in your home (usually the bathroom shower head), and flush it until no air is present.

Flow water until the discolored water disappears from your outside hose bibs (this can take 15-25 minutes, depending on the length of your service line). Perform a similar process indoors – closest cold-water faucet to your water meter, then the farthest cold-water faucet from your water meter. Flow water from all cold-water taps inside and flush each toilet several times. The hot-water line should also be flushed after all the cold-water lines are clean. Hot water lines shouldn’t have as much discoloration or debris in the lines, so a quick flush before reinstalling the screen heads should do the trick! If the water does not clear after complete flushing, contact Iliad Water Company LLC at 206-764-3842 to report the problem. We will clear things up as soon as possible.