Chapter 246-290 WAC

Last Update: 12/14/16

GROUP A PUBLIC WATER SUPPLIES

WAC Sections

PART 1.
GENERAL PROVISIONS
246-290-001Purpose and scope.
246-290-002Guidance.
246-290-010Definitions, abbreviations, and acronyms.
246-290-020Applicability.
246-290-025Adoption by reference.
246-290-030General administration.
246-290-035Water system ownership.
246-290-040Engineering requirements.
246-290-050Enforcement.
246-290-060Variances, exemptions, and waivers.
PART 2.
PLANNING AND ENGINEERING DOCUMENTS
246-290-100Water system plan.
246-290-105Small water system management program.
246-290-106Duty to provide service.
246-290-107Place of use expansion.
246-290-108Consistency with local plans and regulations.
246-290-110Project report.
246-290-120Construction documents.
246-290-125Project report and construction document submittal exceptions.
246-290-130Source approval.
246-290-131Emergency sources and supplies.
246-290-132Interties.
246-290-135Source water protection.
246-290-140Existing system as-built approval.
PART 3.
DESIGN OF PUBLIC WATER SYSTEMS
246-290-200Design standards.
246-290-220Drinking water materials and additives.
246-290-221Water demand design criteria.
246-290-222Water system physical capacity.
246-290-230Distribution systems.
246-290-235Finished water storage facilities.
246-290-250Treatment design.
PART 4.
WATER QUALITY
246-290-300Monitoring requirements.
246-290-310Maximum contaminant levels (MCLs) and maximum residual disinfectant levels (MRDLs).
246-290-320Follow-up action.
PART 5.
WATER SYSTEM OPERATIONS
246-290-415Operations and maintenance.
246-290-416Sanitary surveys.
246-290-420Reliability and emergency response.
246-290-451Disinfection of drinking water.
246-290-453Corrective action under the GWR.
246-290-455Operation of chemical contaminant treatment facilities.
246-290-460Fluoridation of drinking water.
246-290-470Uncovered finished water storage facilities.
246-290-480Recordkeeping and reporting.
246-290-485Recordkeeping and reporting for groundwater systems.
246-290-490Cross-connection control.
246-290-496Metering requirements.
246-290-500Severability.
PART 6.
SURFACE WATER TREATMENT
Subpart A - Introduction and General Requirements
246-290-601Purpose of surface water treatment.
246-290-620Applicability of surface water treatment requirements.
246-290-630General requirements.
246-290-632Treatment technique violations.
246-290-634Follow-up to treatment technique violations.
246-290-636Determination of disinfectant contact time (T).
246-290-638Analytical requirements.
246-290-639SWTR records.
246-290-640Determination of GWI sources.
Subpart B - Requirements for Filtered Systems
246-290-650Compliance requirements for filtered systems.
246-290-652Filtration technology and design criteria for existing filtered systems.
246-290-654Treatment criteria for filtered systems.
246-290-660Filtration.
246-290-662Disinfection for filtered systems.
246-290-664Monitoring for filtered systems.
246-290-666Reporting for filtered systems.
246-290-668Watershed control.
Subpart C - Requirements for Systems Installing Filtration Facilities
246-290-670Compliance requirements for existing unfiltered systems installing filtration.
246-290-672Interim treatment requirements.
246-290-674Interim monitoring and reporting.
246-290-676Filtration technology and design criteria.
246-290-678Reliability for filtered systems.
Subpart D - Requirements for Other Unfiltered Systems
246-290-686Compliance requirements for unfiltered systems.
246-290-690Criteria to remain unfiltered.
246-290-691Criteria for unfiltered systems with a "limited alternative to filtration" to remain unfiltered.
246-290-692Disinfection for unfiltered systems.
246-290-694Monitoring for unfiltered systems.
246-290-696Reporting for unfiltered systems.
PART 7.
REPORTING
Subpart A - Public Notification and Consumer Information
246-290-71001Public notification.
246-290-71002Public notice content.
246-290-71003Public notification distribution.
246-290-71004Public notification mandatory language.
246-290-71005Special public notification requirements.
246-290-71006Consumer information.
246-290-71007Public notification special provisions.
Subpart B - Consumer Confidence Reports
246-290-72001Purpose and applicability of the consumer confidence report requirements.
246-290-72002Reporting dates.
246-290-72003Report contents—Source water.
246-290-72004Report contents—Definitions.
246-290-72005Report contents—Information on detected contaminants.
246-290-72006Report contents—Information on Cryptosporidium, radon, and other contaminants.
246-290-72007Report contents—Compliance with National Primary Drinking Water Regulations.
246-290-72008Report contents—Variances and exemptions.
246-290-72009Report contents—Additional information.
246-290-72010Report contents—Required additional health information.
246-290-72011Report delivery and recordkeeping.
246-290-72012Regulated contaminants.
246-290-72013Report contents—Groundwater systems.
PART 8.
WATER USE EFFICIENCY
246-290-800Purpose and applicability.
246-290-810Water use efficiency program.
246-290-820Distribution system leakage standard.
246-290-830Water use efficiency goal setting.
246-290-840Water use efficiency performance reports.
FEES
246-290-990Water system evaluation and project review and approval fees.
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