Last Update: 12/14/16

Chapter 246-290 WAC

GROUP A PUBLIC WATER SUPPLIES

WAC Sections

PART 1.
GENERAL PROVISIONS
Purpose and scope.
Guidance.
Definitions, abbreviations, and acronyms.
Applicability.
Adoption by reference.
General administration.
Water system ownership.
Engineering requirements.
Enforcement.
Variances, exemptions, and waivers.
PART 2.
PLANNING AND ENGINEERING DOCUMENTS
Water system plan.
Small water system management program.
Duty to provide service.
Place of use expansion.
Consistency with local plans and regulations.
Project report.
Construction documents.
Project report and construction document submittal exceptions.
Source approval.
Emergency sources and supplies.
Interties.
Source water protection.
Existing system as-built approval.
PART 3.
DESIGN OF PUBLIC WATER SYSTEMS
Design standards.
Drinking water materials and additives.
Water demand design criteria.
Water system physical capacity.
Distribution systems.
Finished water storage facilities.
Treatment design.
PART 4.
WATER QUALITY
Monitoring requirements.
Maximum contaminant levels (MCLs) and maximum residual disinfectant levels (MRDLs).
Follow-up action.
PART 5.
WATER SYSTEM OPERATIONS
Operations and maintenance.
Sanitary surveys.
Reliability and emergency response.
Disinfection of drinking water.
Corrective action under the GWR.
Operation of chemical contaminant treatment facilities.
Fluoridation of drinking water.
Uncovered finished water storage facilities.
Recordkeeping and reporting.
Recordkeeping and reporting for groundwater systems.
Cross-connection control.
Metering requirements.
Severability.
PART 6.
SURFACE WATER TREATMENT
Subpart A - Introduction and General Requirements
Purpose of surface water treatment.
Applicability of surface water treatment requirements.
General requirements.
Treatment technique violations.
Follow-up to treatment technique violations.
Determination of disinfectant contact time (T).
Analytical requirements.
SWTR records.
Determination of GWI sources.
Subpart B - Requirements for Filtered Systems
Compliance requirements for filtered systems.
Filtration technology and design criteria for existing filtered systems.
Treatment criteria for filtered systems.
Filtration.
Disinfection for filtered systems.
Monitoring for filtered systems.
Reporting for filtered systems.
Watershed control.
Subpart C - Requirements for Systems Installing Filtration Facilities
Compliance requirements for existing unfiltered systems installing filtration.
Interim treatment requirements.
Interim monitoring and reporting.
Filtration technology and design criteria.
Reliability for filtered systems.
Subpart D - Requirements for Other Unfiltered Systems
Compliance requirements for unfiltered systems.
Criteria to remain unfiltered.
Criteria for unfiltered systems with a "limited alternative to filtration" to remain unfiltered.
Disinfection for unfiltered systems.
Monitoring for unfiltered systems.
Reporting for unfiltered systems.
PART 7.
REPORTING
Subpart A - Public Notification and Consumer Information
Public notification.
Public notice content.
Public notification distribution.
Public notification mandatory language.
Special public notification requirements.
Consumer information.
Public notification special provisions.
Subpart B - Consumer Confidence Reports
Purpose and applicability of the consumer confidence report requirements.
Reporting dates.
Report contents—Source water.
Report contents—Definitions.
Report contents—Information on detected contaminants.
Report contents—Information on Cryptosporidium, radon, and other contaminants.
Report contents—Compliance with National Primary Drinking Water Regulations.
Report contents—Variances and exemptions.
Report contents—Additional information.
Report contents—Required additional health information.
Report delivery and recordkeeping.
Regulated contaminants.
Report contents—Groundwater systems.
PART 8.
WATER USE EFFICIENCY
Purpose and applicability.
Water use efficiency program.
Distribution system leakage standard.
Water use efficiency goal setting.
Water use efficiency performance reports.
FEES
Water system evaluation and project review and approval fees.
DISPOSITION OF SECTIONS FORMERLY CODIFIED IN THIS CHAPTER
246-290-115
Corrosion control recommendation report. [Statutory Authority: RCW 43.20.050. WSR 94-14-001, § 246-290-115, filed 6/22/94, effective 7/23/94.] Repealed by WSR 99-07-021, filed 3/9/99, effective 4/9/99. Statutory Authority: RCW 43.02.050 [43.20.050].
246-290-210
Source protection. [Statutory Authority: RCW 43.20.050. WSR 91-02-051 (Order 124B), recodified as § 246-290-210, filed 12/27/90, effective 1/31/91. Statutory Authority: RCW 34.04.045. WSR 88-05-057 (Order 307), § 248-54-125, filed 2/17/88. Statutory Authority: RCW 43.20.050. WSR 83-19-002 (Order 266), § 248-54-125, filed 9/8/83.] Repealed by WSR 93-08-011 (Order 352B), filed 3/25/93, effective 4/25/93. Statutory Authority: RCW 43.20.050.
246-290-240
Disinfection of facilities. [Statutory Authority: RCW 43.20.050. WSR 91-02-051 (Order 124B), recodified as § 246-290-240, filed 12/27/90, effective 1/31/91. Statutory Authority: RCW 34.04.045. WSR 88-05-057 (Order 307), § 248-54-145, filed 2/17/88. Statutory Authority: RCW 43.20.050. WSR 83-19-002 (Order 266), § 248-54-145, filed 9/8/83.] Repealed by WSR 99-07-021, filed 3/9/99, effective 4/9/99. Statutory Authority: RCW 43.02.050 [43.20.050].
246-290-330
Public notification. [Statutory Authority: RCW 43.20.050. WSR 94-14-001, § 246-290-330, filed 6/22/94, effective 7/23/94; WSR 93-08-011 (Order 352B), § 246-290-330, filed 3/25/93, effective 4/25/93; WSR 92-04-070 (Order 241B), § 246-290-330, filed 2/4/92, effective 3/6/92. Statutory Authority: Chapter 43.20 RCW. WSR 91-07-031 (Order 150B), § 246-290-330, filed 3/15/91, effective 4/15/91. Statutory Authority: RCW 43.20.050. WSR 91-02-051 (Order 124B), recodified as § 246-290-330, filed 12/27/90, effective 1/31/91. Statutory Authority: P.L. 99-339. WSR 89-21-020 (Order 336), § 248-54-187, filed 10/10/89, effective 11/10/89.] Repealed by WSR 99-07-021, filed 3/9/99, effective 4/9/99. Statutory Authority: RCW 43.02.050 [43.20.050].
246-290-400
Operator certification. [Statutory Authority: RCW 43.20.050. WSR 91-02-051 (Order 124B), recodified as § 246-290-400, filed 12/27/90, effective 1/31/91. Statutory Authority: RCW 34.04.045. WSR 88-05-057 (Order 307), § 248-54-194, filed 2/17/88.] Repealed by WSR 93-08-011 (Order 352B), filed 3/25/93, effective 4/25/93. Statutory Authority: RCW 43.20.050.
246-290-410
Small water system management program. [Statutory Authority: RCW 43.20.050. WSR 94-14-001, § 246-290-410, filed 6/22/94, effective 7/23/94; WSR 91-02-051 (Order 124B), recodified as § 246-290-410, filed 12/27/90, effective 1/31/91. Statutory Authority: P.L. 99-339. WSR 89-21-020 (Order 336), § 248-54-196, filed 10/10/89, effective 11/10/89. Statutory Authority: RCW 34.04.045. WSR 88-05-057 (Order 307), § 248-54-196, filed 2/17/88.] Repealed by WSR 99-07-021, filed 3/9/99, effective 4/9/99. Statutory Authority: RCW 43.02.050 [43.20.050].
246-290-430
Continuity of service. [Statutory Authority: RCW 43.20.050. WSR 91-02-051 (Order 124B), recodified as § 246-290-430, filed 12/27/90, effective 1/31/91. Statutory Authority: RCW 34.04.045. WSR 88-05-057 (Order 307), § 248-54-205, filed 2/17/88. Statutory Authority: RCW 43.20.050. WSR 83-19-002 (Order 266), § 248-54-205, filed 9/8/83.] Repealed by WSR 99-07-021, filed 3/9/99, effective 4/9/99. Statutory Authority: RCW 43.02.050 [43.20.050].
246-290-440
Operations. [Statutory Authority: RCW 43.20.050. WSR 94-14-001, § 246-290-440, filed 6/22/94, effective 7/23/94; WSR 93-08-011 (Order 352B), § 246-290-440, filed 3/25/93, effective 4/25/93; WSR 91-02-051 (Order 124B), recodified as § 246-290-440, filed 12/27/90, effective 1/31/91. Statutory Authority: RCW 34.04.045. WSR 88-05-057 (Order 307), § 248-54-215, filed 2/17/88. Statutory Authority: RCW 43.20.050. WSR 83-19-002 (Order 266), § 248-54-215, filed 9/8/83.] Repealed by WSR 99-07-021, filed 3/9/99, effective 4/9/99. Statutory Authority: RCW 43.02.050 [43.20.050].
246-290-450
Watershed control. [Statutory Authority: RCW 43.20.050. WSR 91-02-051 (Order 124B), recodified as § 246-290-450, filed 12/27/90, effective 1/31/91. Statutory Authority: RCW 34.04.045. WSR 88-05-057 (Order 307), § 248-54-225, filed 2/17/88. Statutory Authority: RCW 43.20.050. WSR 83-19-002 (Order 266), § 248-54-225, filed 9/8/83.] Repealed by WSR 93-08-011 (Order 352B), filed 3/25/93, effective 4/25/93. Statutory Authority: RCW 43.20.050.
246-290-495
Public notification. [Statutory Authority: RCW 43.02.050 [43.20.050]. WSR 99-07-021, § 246-290-495, filed 3/9/99, effective 4/9/99.] Repealed by WSR 03-08-037, filed 3/27/03, effective 4/27/03. Statutory Authority: RCW 43.20.050 (2) and (3) and 70.119A.080.
246-290-610
Definitions relating to surface water treatment. [Statutory Authority: RCW 43.20.050. WSR 93-08-011 (Order 352B), § 246-290-610, filed 3/25/93, effective 4/25/93.] Repealed by WSR 99-07-021, filed 3/9/99, effective 4/9/99. Statutory Authority: RCW 43.02.050 [43.20.050].
246-290-680
Operating criteria for new water treatment facilities. [Statutory Authority: RCW 43.20.050. WSR 93-08-011 (Order 352B), § 246-290-680, filed 3/25/93, effective 4/25/93.] Repealed by WSR 97-20-100, filed 9/29/97, effective 10/30/97. Statutory Authority: RCW 43.20.050.
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