This section takes effect on January 1, 2027. WAC 246-290-72100 through 246-290-72400 establishes minimum requirements for the content of reports that community water systems must deliver to their customers. These reports must contain information on the quality of the water delivered by the systems and characterize the risks (if any) from exposure to contaminants detected in the drinking water in an accurate and understandable manner.

1. (1) WAC 246-290-72100 through 246-290-72400 applies only to community water systems.
2. (2) Each community water system must provide a report or reports to its customers by dates specified in WAC 246-290-72110 that contain the information specified in WAC 246-290-72200 through 246-290-72350.

3. (3) For the purpose of WAC 246-290-72100 through 246-290-72400:

   1. (a) "Consumers" means people served by the water system, including customers, and people who do not receive a bill.
   2. (b) "Customers" means billing units or service connections to which water is delivered by a community water system.
   3. (c) "Detected" means at or above the SDRLs under chapter 246-390 WAC.

[Statutory Authority: RCW 43.20.250, 70A.125.080, and 70A.130.010. WSR 26-08-023, s 246-290-72100, filed 3/23/26, effective 4/23/26.]