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Chapter 246-290 WAC

 Last Update: 3/30/12

GROUP A PUBLIC WATER SUPPLIES

WAC Sections

PART 1.

GENERAL PROVISIONS
246-290-001 Purpose and scope.
246-290-002 Guidance.
246-290-010 Definitions, abbreviations, and acronyms.
246-290-020 Applicability.
246-290-025 Adoption by reference.
246-290-030 General administration.
246-290-035 Water system ownership.
246-290-040 Engineering requirements.
246-290-050 Enforcement.
246-290-060 Variances, exemptions, and waivers.
PART 2.

PLANNING AND ENGINEERING DOCUMENTS
246-290-100 Water system plan.
246-290-105 Small water system management program.
246-290-106 Duty to provide service.
246-290-107 Place of use expansion.
246-290-108 Consistency with local plans and regulations.
246-290-110 Project report.
246-290-120 Construction documents.
246-290-125 Project report and construction document submittal exceptions.
246-290-130 Source approval.
246-290-132 Interties.
246-290-135 Source water protection.
246-290-140 Existing system as-built approval.
PART 3.

DESIGN OF PUBLIC WATER SYSTEMS
246-290-200 Design standards.
246-290-220 Drinking water materials and additives.
246-290-221 Water demand design criteria.
246-290-222 Water system physical capacity.
246-290-230 Distribution systems.
246-290-235 Finished water storage facilities.
246-290-250 Treatment design.
PART 4.

WATER QUALITY
246-290-300 Monitoring requirements.
246-290-310 Maximum contaminant levels (MCLs) and maximum residual disinfectant levels (MRDLs).
246-290-320 Follow-up action.
PART 5.

WATER SYSTEM OPERATIONS
246-290-415 Operations and maintenance.
246-290-416 Sanitary surveys.
246-290-420 Reliability and emergency response.
246-290-451 Disinfection of drinking water.
246-290-453 Treatment techniques for groundwater systems.
246-290-455 Operation of chemical contaminant treatment facilities.
246-290-460 Fluoridation of drinking water.
246-290-470 Uncovered finished water storage facilities.
246-290-480 Recordkeeping and reporting.
246-290-485 Recordkeeping and reporting for groundwater systems.
246-290-490 Cross-connection control.
246-290-496 Metering requirements.
246-290-500 Severability.
PART 6.

SURFACE WATER TREATMENT


Subpart A - Introduction and General Requirements
246-290-601 Purpose of surface water treatment.
246-290-620 Applicability of surface water treatment requirements.
246-290-630 General requirements.
246-290-632 Treatment technique violations.
246-290-634 Follow-up to treatment technique violations.
246-290-636 Determination of disinfectant contact time (T).
246-290-638 Analytical requirements.
246-290-639 SWTR records.
246-290-640 Determination of GWI sources.
Subpart B - Requirements for Filtered Systems
246-290-650 Compliance requirements for filtered systems.
246-290-652 Filtration technology and design criteria for existing filtered systems.
246-290-654 Treatment criteria for filtered systems.
246-290-660 Filtration.
246-290-662 Disinfection for filtered systems.
246-290-664 Monitoring for filtered systems.
246-290-666 Reporting for filtered systems.
246-290-668 Watershed control.
Subpart C - Requirements for Systems Installing Filtration Facilities
246-290-670 Compliance requirements for existing unfiltered systems installing filtration.
246-290-672 Interim treatment requirements.
246-290-674 Interim monitoring and reporting.
246-290-676 Filtration technology and design criteria.
246-290-678 Reliability for filtered systems.
Subpart D - Requirements for Other Unfiltered Systems
246-290-686 Compliance requirements for unfiltered systems.
246-290-690 Criteria to remain unfiltered.
246-290-691 Criteria for unfiltered systems with a "limited alternative to filtration" to remain unfiltered.
246-290-692 Disinfection for unfiltered systems.
246-290-694 Monitoring for unfiltered systems.
246-290-696 Reporting for unfiltered systems.
PART 7.

REPORTING
Subpart A - Public Notification and Consumer Information
246-290-71001 Public notification.
246-290-71002 Public notice content.
246-290-71003 Public notification distribution.
246-290-71004 Public notification mandatory language.
246-290-71005 Special public notification requirements.
246-290-71006 Consumer information.
246-290-71007 Public notification special provisions.

Subpart B - Consumer Confidence Reports
246-290-72001 Purpose and applicability of the consumer confidence report requirements.
246-290-72002 Reporting dates.
246-290-72003 Report contents -- Source water.
246-290-72004 Report contents -- Definitions.
246-290-72005 Report contents -- Information on detected contaminants.
246-290-72006 Report contents -- Information on Cryptosporidium, radon, and other contaminants.
246-290-72007 Report contents -- Compliance with National Primary Drinking Water Regulations.
246-290-72008 Report contents -- Variances and exemptions.
246-290-72009 Report contents -- Additional information.
246-290-72010 Report contents -- Required additional health information.
246-290-72011 Report delivery and recordkeeping.
246-290-72012 Regulated contaminants.
246-290-72013 Report contents -- Groundwater systems.
PART 8.

WATER USE EFFICIENCY
246-290-800 Purpose and applicability.
246-290-810 Water use efficiency program.
246-290-820 Distribution system leakage standard.
246-290-830 Water use efficiency goal setting.
246-290-840 Water use efficiency performance reports.
FEES
246-290-990 Water system evaluation and project review and approval fees.