Washington Administrative Code
Title 246 - Health, Department of
WATER SYSTEMS
Chapter 246-290 - Group A public water supplies
Part 5 - WATER SYSTEM OPERATIONS
Section 246-290-470 - Uncovered finished water storage facilities

Universal Citation: WA Admin Code 246-290-470

Current through Register Vol. 24-18, September 15, 2024

(1) Existing uncovered finished water storage facilities shall be operated based on a plan of operation approved by the department.

(2) Purveyors with uncovered finished water storage facilities shall have a department-approved plan and schedule to cover all reservoirs on file with the department.

(3) The plan of operation shall address the following elements as a minimum:

(a) Assurance of the means and levels associated with the provision of continuous disinfection at all times water is being delivered to the public, including the reliability provisions outlined in WAC 246-290-420;

(b) Description of the means for control of debris, algal, or other aquatic organism growths, surface water runoff, and atmospheric or avian-borne airborne contamination;

(c) Procedures for ensuring that construction will not lead to reservoir contamination;

(d) Provisions for ensuring adequate security measures are provided; and

(e) Any required, or department-directed, monitoring and reporting.

(4) Systems using uncovered finished water reservoirs must comply with 40 C.F.R. 141.714.

Statutory Authority: RCW 70.119A.180 and 43.20.050. 08-03-061, § 246-290-470, filed 1/14/08, effective 2/14/08. Statutory Authority: RCW 43.02.050 [43.20.050]. 99-07-021, § 246-290-470, filed 3/9/99, effective 4/9/99. Statutory Authority: RCW 43.20.050. 93-08-011 (Order 352B), § 246-290-470, filed 3/25/93, effective 4/25/93; 91-02-051 (Order 124B), recodified as § 246-290-470, filed 12/27/90, effective 1/31/91; 83-19-002 (Order 266), § 248-54-245, filed 9/8/83.

Disclaimer: These regulations may not be the most recent version. Washington may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.