The Tapps Island Association issued a statement Friday advising all water customers to boil their drinking water after recent distribution samples detected coliform.

According to its Web site, traces of E.coli bacteria was detected July 7 and the water was retested Friday and announced coliform was present with no traces of E.coli.

The association is working with the Washington State Department of Health’s Office of Drinking Water to find the source of contamination and fix the problem, according to a Department of Health news release.

Don Lisko, interim general manager, reported Friday that the association supplies water to about 535 homes on the island and 10 others off the island.

For more information, visit the assocation’s Web site at www.tapps-island.org or call 253-266-2053.