A water main break on 3rd Avenue in Humboldt has caused a Precautionary Drinking Water Advisory for a number of residents.

Residents effected under the PDWA are along the 200 and 300 blocks of 12th Street, 1200, 1300 and 1400 blocks of 3rd Avenue and the 1100 block of 4th Avenue.

It came into effect at noon Thursday.

Residents should boil all water for at least a minute if it's to be ingested.

Call City Hall at 682-2525 if you need more information.