The Stormwater Management Manual for Western Washington provides guidance on measures to control stormwater runoff, available on Ecology’s Stormwater Homepage, with volumes covering technical requirements and site planning, construction pollution prevention, and hydrologic analysis.

Overview of the Manual

The Stormwater Management Manual for Western Washington is a comprehensive guide that outlines the necessary measures to control the quantity and quality of stormwater runoff. The manual is designed to provide guidance on the technical requirements and site planning for stormwater management, as well as the construction stormwater pollution prevention measures that need to be implemented. The manual is divided into several volumes, each covering a specific aspect of stormwater management, including hydrologic analysis and flow control design, source control best management practices, and runoff treatment best management practices. The manual is intended to be used by local jurisdictions, land developers, and designers to ensure that new development and redevelopment projects are designed and constructed in a way that protects water quality and minimizes the impact of stormwater runoff on the environment. The manual is regularly updated to reflect changes in regulations and new technologies, and the latest version is available on Ecology’s Stormwater Homepage. The manual is an essential resource for anyone involved in stormwater management in Western Washington, providing detailed information and guidance on how to manage stormwater runoff effectively. The manual’s content is based on the latest research and best practices in stormwater management, making it a valuable tool for professionals in the field.

Availability of the Manual

The Stormwater Management Manual for Western Washington is widely available, and can be accessed through various channels. The manual can be downloaded from Ecology’s Stormwater Homepage, which provides an electronic version of the manual. Additionally, a printed copy of the manual can be ordered from the Department of Printing, with a delivery time of approximately two weeks. For those who prefer to order by phone, the Department of Printing can be reached at (360) 753-6820. The manual is also available in different versions, including the 2012 and 2005 editions, which can be accessed online. The online version of the manual is regularly updated to reflect changes and new information, making it a reliable source for the latest guidance on stormwater management. The availability of the manual in various formats and locations makes it easily accessible to local jurisdictions, land developers, designers, and other stakeholders who need to refer to it. The manual’s availability contributes to its widespread use and adoption in Western Washington, facilitating effective stormwater management practices in the region. The manual’s online presence also facilitates easy access and distribution, making it a valuable resource for stormwater management professionals.

Objectives of the Stormwater Management Manual

The manual aims to provide guidance on controlling stormwater quantity and quality, protecting water quality standards and contributing to environmental protection effectively always online.

Protecting Water Quality

The Stormwater Management Manual for Western Washington plays a crucial role in protecting water quality by providing guidance on measures to control stormwater runoff. This manual is essential for ensuring that stormwater runoff does not harm the environment or human health. The manual outlines the best management practices for reducing stormwater pollution, including the use of vegetation, pervious pavements, and stormwater treatment systems. By implementing these practices, developers and designers can help to protect water quality and prevent stormwater pollution. The manual also provides information on how to design and install stormwater management systems that can effectively remove pollutants from stormwater runoff. Additionally, the manual discusses the importance of maintaining stormwater management systems to ensure they continue to function effectively over time. Overall, the Stormwater Management Manual for Western Washington is a valuable resource for anyone involved in stormwater management, and its guidance is essential for protecting water quality in the region. The manual is regularly updated to reflect new technologies and best practices, ensuring that it remains a relevant and effective tool for stormwater management.

Guidance for Developers and Designers

The Stormwater Management Manual for Western Washington provides comprehensive guidance for developers and designers to ensure that stormwater management systems are designed and installed correctly. The manual outlines the technical requirements and site planning considerations that must be taken into account when designing stormwater management systems. It also provides information on the different types of stormwater management systems that can be used, including detention ponds, retention ponds, and green infrastructure. Developers and designers can use the manual to determine the most effective stormwater management strategy for their project, and to ensure that their design meets the requirements of local jurisdictions. The manual also includes examples and case studies of successful stormwater management projects, which can be used as a reference for developers and designers. By following the guidance provided in the manual, developers and designers can help to protect water quality and prevent stormwater pollution, while also ensuring that their projects are compliant with regulatory requirements. The manual is a valuable resource for anyone involved in stormwater management, and its guidance is essential for ensuring that stormwater management systems are designed and installed correctly.

Contents of the Stormwater Management Manual

The manual includes multiple volumes and topics covering stormwater management, available on Ecology’s website for reference and guidance purposes only always.

Volumes and Topics Covered

The Stormwater Management Manual for Western Washington is a comprehensive guide that consists of multiple volumes, each addressing specific aspects of stormwater management. The volumes cover a range of topics, including technical requirements and site planning, construction stormwater pollution prevention, hydrologic analysis, and flow control design. Additionally, the manual provides guidance on source control best management practices, runoff treatment best management practices, and other relevant topics. The various volumes are designed to provide detailed information and guidance on the measures necessary to control the quantity and quality of stormwater runoff. The manual’s contents are organized in a logical and systematic manner, making it easier for users to navigate and find the information they need. The topics covered in the manual are based on the latest research and best practices in stormwater management, ensuring that users have access to the most up-to-date and effective strategies for managing stormwater runoff. Overall, the Stormwater Management Manual for Western Washington is a valuable resource for anyone involved in stormwater management, providing a wealth of information and guidance on the latest techniques and best practices. The manual’s coverage of various topics and volumes makes it a comprehensive guide for stormwater management.

Version History and Updates

The Stormwater Management Manual for Western Washington has undergone several updates and revisions since its initial release. The manual is regularly reviewed and updated to reflect changes in regulations, new research, and advances in stormwater management techniques. The version history of the manual is an important aspect of its development, as it provides a record of the changes and updates made to the document over time. According to the available information, the manual was updated in 2012, 2019, and 2024, with each update incorporating new information and guidance on stormwater management. The updates to the manual are typically made in response to changes in water quality standards, new technologies, and emerging best practices in stormwater management. The version history and updates to the manual are important for users, as they provide a clear understanding of the changes and revisions made to the document. The updates ensure that the manual remains a relevant and effective guide for stormwater management in Western Washington. The manual’s version history and updates are managed by the relevant authorities, who are responsible for ensuring that the document remains up-to-date and accurate.

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