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Ecology Publications & Forms |
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Ecology Publications & Forms |
| Title | Water Quality Program Policy 1-11 Chapter 1: Washington's Water Quality Assessment Listing Methodology to Meet Clean Water Act Requirements |
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| VIEW NOW |
Water Quality Program Policy 1-11 Chapter 1: Washington's Water Quality Assessment Listing Methodology to Meet Clean Water Act Requirements (Number of pages: 137) (Publication Size: 2299KB)
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| Author(s) | Water Quality Program | ||||||
| Description | This policy describes the methodologies for how assessment units(AU's) will generally be assessed for each water quality standard parameter (for example, bacteria or dissolved oxygen) and then placed in one of five categories, ranging from waters that meet tested standards (Category 1)to impaired waters (Category 5). The different listing categories described in this WQA policy identify the status of the AU for each parameter and may signify future actions need to improve or protect water quality. | ||||||
| NOTES | An updated version was posted on March 27, 2023 after public review. | ||||||
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The mission of the Department of Ecology is to protect, preserve, and enhance Washington’s environment. To help us meet that goal, please consider the environment before you print or request a copy.
ADA Accessibility The Department of Ecology is committed to providing people with disabilities access to information and services by meeting or exceeding the requirements of the Americans with Disabilities Act (ADA), Section 504 and 508 of the Rehabilitation Act, and Washington State Policy #188. Visit Ecology’s website for more information. |
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| Contact | Justin Donahue at 360-407-6600 or 303d@ecy.wa.gov | ||||||
| Keywords | impaired, Water quality assessment, regulatory compliance, public health, 305(b), nonpoint, clean water, guidance, decisions, 303(d), quality assurance, assessment, Ecology, standards, water quality standards, non point, dissolved oxygen, Environmental Protection Agency, EPA, clean water act, bacteria | ||||||
| WEB PAGE | Water Quality Assessment & Policy 1-11 | ||||||
| RELATED PUBLICATIONS | Title:
Focus On: Water Quality Assessment 2024 Response to Comments, Water Quality Program Policy 1-11, Chapter 1, 2022 Revisions Water Quality Policy 1-11 Chapter 2 - Ensuring Credible Data for Water Quality Management Water Quality Program Policy 1-11 Chapter 1: Response to Comments July 2020 Water Quality Program Policy 1-11 Chapter 1: October 2018 Public Review Response to Comments |
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