Chapter 173-201A WAC

Last Update: 8/14/24

WATER QUALITY STANDARDS FOR SURFACE WATERS OF THE STATE OF WASHINGTON

WAC Sections

PART I - INTRODUCTION
HTMLPDF173-201A-010Purpose.
HTMLPDF173-201A-020Definitions.
PART II - DESIGNATED USES AND CRITERIA
HTMLPDF173-201A-200Fresh water designated uses and criteria.
HTMLPDF173-201A-210Marine water designated uses and criteria.
HTMLPDF173-201A-230Establishing lake nutrient criteria.
HTMLPDF173-201A-240Toxic substances.
HTMLPDF173-201A-250Radioactive substances.
HTMLPDF173-201A-260Natural conditions and other water quality criteria and applications.
PART III - ANTIDEGRADATION
HTMLPDF173-201A-300Description.
HTMLPDF173-201A-310Tier I—Protection and maintenance of existing and designated uses.
HTMLPDF173-201A-320Tier II—Protection of waters of higher quality than the standards.
HTMLPDF173-201A-330Tier III—Protection of outstanding resource waters.
HTMLPDF173-201A-332Table 332—Outstanding resource water designations by water resource inventory area (WRIA).
PART IV - TOOLS FOR APPLICATION OF CRITERIA AND USES
HTMLPDF173-201A-400Mixing zones.
HTMLPDF173-201A-410Short-term modifications.
HTMLPDF173-201A-420Variance.
HTMLPDF173-201A-430Site-specific criteria.
HTMLPDF173-201A-440Use attainability analysis.
HTMLPDF173-201A-450Water quality offsets.
HTMLPDF173-201A-460Intake credits.
PART V - IMPLEMENTATION OF STANDARDS
HTMLPDF173-201A-500Achievement considerations.
HTMLPDF173-201A-510Means of implementation.
HTMLPDF173-201A-520Monitoring and compliance.
HTMLPDF173-201A-530Enforcement.
PART VI - USE DESIGNATIONS FOR WATERS OF THE STATE
HTMLPDF173-201A-600Use designations—Fresh waters.
HTMLPDF173-201A-602Table 602—Use designations for fresh waters by water resource inventory area (WRIA).
HTMLPDF173-201A-610Use designations—Marine waters.
HTMLPDF173-201A-612Table 612—Use designations for marine waters.
DISPOSITION OF SECTIONS FORMERLY CODIFIED IN THIS TITLE
173-201A-030General water use and criteria classes. [Statutory Authority: Chapter 90.48 RCW and 40 C.F.R. 131. WSR 97-23-064 (Order 94-19), § 173-201A-030, filed 11/18/97, effective 12/19/97. Statutory Authority: Chapter 90.48 RCW. WSR 92-24-037 (Order 92-29), § 173-201A-030, filed 11/25/92, effective 12/26/92.] Repealed by WSR 03-14-129 (Order 02-14), filed 7/1/03, effective 8/1/03. Statutory Authority: Chapters 90.48 and 90.54 RCW.
173-201A-040Toxic substances. [Statutory Authority: Chapter 90.48 RCW and 40 C.F.R. 131. WSR 97-23-064 (Order 94-19), § 173-201A-040, filed 11/18/97, effective 12/19/97. Statutory Authority: Chapter 90.48 RCW. WSR 92-24-037 (Order 92-29), § 173-201A-040, filed 11/25/92, effective 12/26/92.] Amended and decodified by WSR 03-14-129 (Order 02-14), filed 7/1/03, effective 8/1/03. Statutory Authority: Chapters 90.48 and 90.54 RCW. Recodified as § 173-201A-240.
173-201A-050Radioactive substances. [Statutory Authority: Chapter 90.48 RCW and 40 C.F.R. 131. WSR 97-23-064 (Order 94-19), § 173-201A-050, filed 11/18/97, effective 12/19/97. Statutory Authority: Chapter 90.48 RCW. WSR 92-24-037 (Order 92-29), § 173-201A-050, filed 11/25/92, effective 12/26/92.] Decodified by WSR 03-14-129 (Order 02-14), filed 7/1/03, effective 8/1/03. Statutory Authority: Chapters 90.48 and 90.54 RCW. Recodified as § 173-201A-250.
173-201A-060General considerations. [Statutory Authority: Chapter 90.48 RCW and 40 C.F.R. 131. WSR 97-23-064 (Order 94-19), § 173-201A-060, filed 11/18/97, effective 12/19/97. Statutory Authority: Chapter 90.48 RCW. WSR 92-24-037 (Order 92-29), § 173-201A-060, filed 11/25/92, effective 12/26/92.] Repealed by WSR 03-14-129 (Order 02-14), filed 7/1/03, effective 8/1/03. Statutory Authority: Chapters 90.48 and 90.54 RCW.
173-201A-070Antidegradation. [Statutory Authority: Chapter 90.48 RCW. WSR 92-24-037 (Order 92-29), § 173-201A-070, filed 11/25/92, effective 12/26/92.] Repealed by WSR 03-14-129 (Order 02-14), filed 7/1/03, effective 8/1/03. Statutory Authority: Chapters 90.48 and 90.54 RCW.
173-201A-080Outstanding resource waters. [Statutory Authority: Chapter 90.48 RCW. WSR 92-24-037 (Order 92-29), § 173-201A-080, filed 11/25/92, effective 12/26/92.] Repealed by WSR 03-14-129 (Order 02-14), filed 7/1/03, effective 8/1/03. Statutory Authority: Chapters 90.48 and 90.54 RCW.
173-201A-100Mixing zones. [Statutory Authority: Chapter 90.48 RCW. WSR 92-24-037 (Order 92-29), § 173-201A-100, filed 11/25/92, effective 12/26/92.] Amended and decodified by WSR 03-14-129 (Order 02-14), filed 7/1/03, effective 8/1/03. Statutory Authority: Chapters 90.48 and 90.54 RCW. Recodified as § 173-201A-400.
173-201A-110Short-term modifications. [Statutory Authority: Chapter 90.48 RCW and 40 C.F.R. 131. WSR 97-23-064 (Order 94-19), § 173-201A-110, filed 11/18/97, effective 12/19/97. Statutory Authority: Chapter 90.48 RCW. WSR 92-24-037 (Order 92-29), § 173-201A-110, filed 11/25/92, effective 12/26/92.] Amended and decodified by WSR 03-14-129 (Order 02-14), filed 7/1/03, effective 8/1/03. Statutory Authority: Chapters 90.48 and 90.54 RCW. Recodified as § 173-201A-410.
173-201A-120General classifications. [Statutory Authority: Chapter 90.48 RCW. WSR 92-24-037 (Order 92-29), § 173-201A-120, filed 11/25/92, effective 12/26/92.] Repealed by WSR 03-14-129 (Order 02-14), filed 7/1/03, effective 8/1/03. Statutory Authority: Chapters 90.48 and 90.54 RCW.
173-201A-130Specific classifications—Freshwater. [Statutory Authority: Chapter 90.48 RCW and 40 C.F.R. 131. WSR 97-23-064 (Order 94-19), § 173-201A-130, filed 11/18/97, effective 12/19/97. Statutory Authority: Chapter 90.48 RCW. WSR 92-24-037 (Order 92-29), § 173-201A-130, filed 11/25/92, effective 12/26/92.] Repealed by WSR 03-14-129 (Order 02-14), filed 7/1/03, effective 8/1/03. Statutory Authority: Chapters 90.48 and 90.54 RCW.
173-201A-140Specific classifications—Marine water. [Statutory Authority: Chapter 90.48 RCW and 40 C.F.R. 131. WSR 97-23-064 (Order 94-19), § 173-201A-140, filed 11/18/97, effective 12/19/97. Statutory Authority: Chapter 90.48 RCW. WSR 92-24-037 (Order 92-29), § 173-201A-140, filed 11/25/92, effective 12/26/92.] Repealed by WSR 03-14-129 (Order 02-14), filed 7/1/03, effective 8/1/03. Statutory Authority: Chapters 90.48 and 90.54 RCW.
173-201A-150Achievement considerations. [Statutory Authority: Chapter 90.48 RCW. WSR 92-24-037 (Order 92-29), § 173-201A-150, filed 11/25/92, effective 12/26/92.] Decodified by WSR 03-14-129 (Order 02-14), filed 7/1/03, effective 8/1/03. Statutory Authority: Chapters 90.48 and 90.54 RCW. Recodified as § 173-201A-500.
173-201A-160Implementation. [Statutory Authority: Chapter 90.48 RCW and 40 C.F.R. 131. WSR 97-23-064 (Order 94-19), § 173-201A-160, filed 11/18/97, effective 12/19/97. Statutory Authority: Chapter 90.48 RCW. WSR 92-24-037 (Order 92-29), § 173-201A-160, filed 11/25/92, effective 12/26/92.] Amended and decodified by WSR 03-14-129 (Order 02-14), filed 7/1/03, effective 8/1/03. Statutory Authority: Chapters 90.48 and 90.54 RCW. Recodified as § 173-201A-510.
173-201A-170Surveillance. [Statutory Authority: Chapter 90.48 RCW. WSR 92-24-037 (Order 92-29), § 173-201A-170, filed 11/25/92, effective 12/26/92.] Amended and decodified by WSR 03-14-129 (Order 02-14), filed 7/1/03, effective 8/1/03. Statutory Authority: Chapters 90.48 and 90.54 RCW. Recodified as § 173-201A-520.
173-201A-180Enforcement. [Statutory Authority: Chapter 90.48 RCW. WSR 92-24-037 (Order 92-29), § 173-201A-180, filed 11/25/92, effective 12/26/92.] Decodified by WSR 03-14-129 (Order 02-14), filed 7/1/03, effective 8/1/03. Statutory Authority: Chapters 90.48 and 90.54 RCW. Recodified as § 173-201A-530.