GROUP A PUBLIC WATER SUPPLIES
WAC Sections
PART 1. GENERAL PROVISIONS | ||
HTMLPDF | 246-290-001 | Purpose and scope. |
HTMLPDF | 246-290-002 | Guidance. |
HTMLPDF | 246-290-010 | Definitions, abbreviations, and acronyms. |
HTMLPDF | 246-290-020 | Applicability. |
HTMLPDF | 246-290-025 | Adoption by reference. |
HTMLPDF | 246-290-030 | General administration. |
HTMLPDF | 246-290-035 | Water system ownership. |
HTMLPDF | 246-290-040 | Engineering requirements. |
HTMLPDF | 246-290-050 | Enforcement. |
HTMLPDF | 246-290-060 | Variances, exemptions, and waivers. |
PART 2. PLANNING AND ENGINEERING DOCUMENTS | ||
HTMLPDF | 246-290-100 | Water system plan. |
HTMLPDF | 246-290-105 | Small water system management program. |
HTMLPDF | 246-290-106 | Duty to provide service. |
HTMLPDF | 246-290-107 | Place of use expansion. |
HTMLPDF | 246-290-108 | Consistency with local plans and regulations. |
HTMLPDF | 246-290-110 | Project report. |
HTMLPDF | 246-290-120 | Construction documents. |
HTMLPDF | 246-290-125 | Project report and construction document submittal exceptions. |
HTMLPDF | 246-290-130 | Source approval. |
HTMLPDF | 246-290-131 | Emergency sources and supplies. |
HTMLPDF | 246-290-132 | Interties. |
HTMLPDF | 246-290-135 | Source water protection. |
HTMLPDF | 246-290-140 | Existing system as-built approval. |
PART 3. DESIGN OF PUBLIC WATER SYSTEMS | ||
HTMLPDF | 246-290-200 | Design standards. |
HTMLPDF | 246-290-220 | Drinking water materials and additives. |
HTMLPDF | 246-290-221 | Water demand design criteria. |
HTMLPDF | 246-290-222 | Water system physical capacity. |
HTMLPDF | 246-290-230 | Distribution systems. |
HTMLPDF | 246-290-235 | Finished water storage facilities. |
HTMLPDF | 246-290-250 | Treatment design. |
PART 4. WATER QUALITY | ||
HTMLPDF | 246-290-300 | Monitoring requirements. |
HTMLPDF | 246-290-310 | Maximum contaminant levels (MCLs) and maximum residual disinfectant levels (MRDLs). |
HTMLPDF | 246-290-315 | State action levels (SALs) and state maximum contaminant levels (MCLs). |
HTMLPDF | 246-290-320 | Follow-up action. |
PART 5. WATER SYSTEM OPERATIONS | ||
HTMLPDF | 246-290-415 | Operations and maintenance. |
HTMLPDF | 246-290-416 | Sanitary surveys. |
HTMLPDF | 246-290-420 | Reliability and emergency response. |
HTMLPDF | 246-290-451 | Disinfection of drinking water. |
HTMLPDF | 246-290-453 | Corrective action under the GWR. |
HTMLPDF | 246-290-455 | Operation of chemical contaminant treatment facilities. |
HTMLPDF | 246-290-460 | Fluoridation of drinking water. |
HTMLPDF | 246-290-470 | Uncovered finished water storage facilities. |
HTMLPDF | 246-290-480 | Recordkeeping and reporting. |
HTMLPDF | 246-290-485 | Recordkeeping and reporting for groundwater systems. |
HTMLPDF | 246-290-490 | Cross-connection control. |
HTMLPDF | 246-290-496 | Metering requirements. |
HTMLPDF | 246-290-500 | Severability. |
PART 6. SURFACE WATER TREATMENT Subpart A - Introduction and General Requirements | ||
HTMLPDF | 246-290-601 | Purpose of surface water treatment. |
HTMLPDF | 246-290-620 | Applicability of surface water treatment requirements. |
HTMLPDF | 246-290-630 | General requirements. |
HTMLPDF | 246-290-632 | Treatment technique violations. |
HTMLPDF | 246-290-634 | Follow-up to treatment technique violations. |
HTMLPDF | 246-290-636 | Determination of disinfectant contact time (T). |
HTMLPDF | 246-290-638 | Analytical requirements. |
HTMLPDF | 246-290-639 | SWTR records. |
HTMLPDF | 246-290-640 | Determination of GWI sources. |
Subpart B - Requirements for Filtered Systems | ||
HTMLPDF | 246-290-650 | Compliance requirements for filtered systems. |
HTMLPDF | 246-290-652 | Filtration technology and design criteria for existing filtered systems. |
HTMLPDF | 246-290-654 | Treatment criteria for filtered systems. |
HTMLPDF | 246-290-660 | Filtration. |
HTMLPDF | 246-290-662 | Disinfection for filtered systems. |
HTMLPDF | 246-290-664 | Monitoring for filtered systems. |
HTMLPDF | 246-290-666 | Reporting for filtered systems. |
HTMLPDF | 246-290-668 | Watershed control. |
Subpart C - Requirements for Systems Installing Filtration Facilities | ||
HTMLPDF | 246-290-670 | Compliance requirements for existing unfiltered systems installing filtration. |
HTMLPDF | 246-290-672 | Interim treatment requirements. |
HTMLPDF | 246-290-674 | Interim monitoring and reporting. |
HTMLPDF | 246-290-676 | Filtration technology and design criteria. |
HTMLPDF | 246-290-678 | Reliability for filtered systems. |
Subpart D - Requirements for Other Unfiltered Systems | ||
HTMLPDF | 246-290-686 | Compliance requirements for unfiltered systems. |
HTMLPDF | 246-290-690 | Criteria to remain unfiltered. |
HTMLPDF | 246-290-691 | Criteria for unfiltered systems with a "limited alternative to filtration" to remain unfiltered. |
HTMLPDF | 246-290-692 | Disinfection for unfiltered systems. |
HTMLPDF | 246-290-694 | Monitoring for unfiltered systems. |
HTMLPDF | 246-290-696 | Reporting for unfiltered systems. |
PART 7. REPORTING Subpart A - Public Notification and Consumer Information | ||
HTMLPDF | 246-290-71001 | Public notification. |
HTMLPDF | 246-290-71002 | Public notice content. |
HTMLPDF | 246-290-71003 | Public notification distribution. |
HTMLPDF | 246-290-71004 | Public notification mandatory language. |
HTMLPDF | 246-290-71005 | Special public notification requirements. |
HTMLPDF | 246-290-71006 | Public notice for contaminants with a SAL and other unregulated contaminants. |
HTMLPDF | 246-290-71007 | Public notification special provisions. |
Subpart B - Consumer Confidence Reports | ||
HTMLPDF | 246-290-72001 | Purpose and applicability of the consumer confidence report requirements. |
HTMLPDF | 246-290-72002 | Reporting dates. |
HTMLPDF | 246-290-72003 | Report contents—Source water. |
HTMLPDF | 246-290-72004 | Report contents—Definitions. |
HTMLPDF | 246-290-72005 | Report contents—Information on detected contaminants. |
HTMLPDF | 246-290-72006 | Report contents—Information on Cryptosporidium, radon, and other contaminants. |
HTMLPDF | 246-290-72007 | Report contents—Compliance with National Primary Drinking Water Regulations. |
HTMLPDF | 246-290-72008 | Report contents—Variances and exemptions. |
HTMLPDF | 246-290-72009 | Report contents—Additional information. |
HTMLPDF | 246-290-72010 | Report contents—Required additional health information. |
HTMLPDF | 246-290-72011 | Report delivery and recordkeeping. |
HTMLPDF | 246-290-72012 | Regulated contaminants. |
HTMLPDF | 246-290-72013 | Report contents—Groundwater systems. |
PART 8. WATER USE EFFICIENCY | ||
HTMLPDF | 246-290-800 | Purpose and applicability. |
HTMLPDF | 246-290-810 | Water use efficiency program. |
HTMLPDF | 246-290-820 | Distribution system leakage standard. |
HTMLPDF | 246-290-830 | Water use efficiency goal setting. |
HTMLPDF | 246-290-840 | Water use efficiency performance reports. |
FEES | ||
HTMLPDF | 246-290-990 | Water system evaluation and project review and approval fees. |