Announcement from Washington State Department of Health Office of Drinking Water. To learn more, attend our Training Opportunity – Water Board “Bible” and Revised Coliform Rule April 16th 2016 at Heller Road Fire Station, 2720 SW Heller Road, Oak Harbor, WA 98277. Pre-register using the Training Opportunity Pre-Registration Form RTCR Information for Group A Water Systems   Washington State Department of Health Office of Drinking Water   Please do not reply to this mailbox.   On April 1 the Revised Total Coliform Rule (RTCR) will go into effect.  The major changes include: Systems serving 1,000 or fewer people will have to collect three … Continue reading Revised Total Coliform Rule goes into effect April 1