The 2018 stormwater management manual for eastern washington has incorporated the following major revisions. Stormwater facility maintenance manual 2009 and the pierce county stormwater maintenance manual for private facilities. Corrections and clarifications to the stormwater management manual for eastern washington the items in blue are new additions to this list of corrections and clarifications to chapter 2 of the stormwater management manual for eastern washington p. Stormwater management manual for eastern washington 2004, corrections to 2004 manual,update underway as of 2016. Stormwater management manual for eastern washington update. Stormwater management manual for eastern washington manual is to provide guidance in stormwater design and management for eastern washington.
The field guide covers the most commonly used erosion and sediment control practices at construction sites. Highway runoff manual m 3116 washington state department. This page provides a list of references from the original minnesota stormwater manual, published in 2005. Facility specific thresholds to initiate cleaning, repair, and corrective actions were either taken directly or adapted from the ecology eastern washington stormwater manual 2004. The spokane regional stormwater manual srsm was adopted on june 1, 2008 and will be applied to new projects as of that date. The srsm is considered an equivalent manual to the stormwater management manual for eastern washington published by department of ecology in september 2004 and replaces the spokane county guidelines for stormwater. Describes what stormwater is and outlines the purpose of the manual, the intended audience of the manual and how the manual can help. The city of tacoma regularly updates its stormwater management manual previously called the surface water management manual to comply with the most recent national pollutant discharge elimination system npdes permit, to clarify information and to incorporate updated policies.
Ecologys stormwater management manual for western washington was originally published in 1992 and updated in august 2001. Rebecca dugopolski, herrera robin kirschbaum, rki apwa conference eastern washington october 3, 2018 stormwater group 2 overview manual background and history summary of 2018 manual updates o requirementsguidance that has not changed o key changes by chapter. Eastern washington representatives requested that ecology instead create a separate manual for the eastern portion of the state. Review of stormwater management manual for western. Resources by permit section public education and outreach. Manual and the model municipal stormwater program for eastern washington. Geometric design of highways and streets, exhibit 24, 2004. The 2012 washington state department of ecology stormwater management manual for western washington is a technical document.
Low impact development lid techniques should be considered for all new and redeveloped municipal facilities. The washington state department of ecology ecology gratefully acknowledges the valuable time, comments, and expertise provided by the people listed below who contributed to the 2012 revision of vol. The lid manual provides technical guidance for the design and sizing of lid practices to meet the department of ecologys 2004 stormwater management manual for eastern washington. Eastern washington stormwater resources washington. The city of spokane is required to have a stormwater management plan that addresses stormwater quality and quantity issues and to comply with the eastern washington phase ii municipal stormwater permit. Also see the guidelines for dispersion in the 2011 washington state department of transportation highway runoff manual 2011 hrm for roadway projects, where applicable. Ncw the state department of ecology is accepting comments on a new draft of the stormwater management manual for eastern washington, which is being updated for the first time since it was written in 2004.
Stormwater management manual for eastern washington. Model operation maintenance plan yakima county, washington. Eastern washington erosion prevention and sediment control. For the 2004 stormwater management manual for eastern washington, click here. They are being shared for other eastern washington permittees use as a. Department of ecology ecology stormwater management manual for eastern washington stormwater manual, september 2004. Chapters 5, 6, and 8 of the ecology eastern washington stormwater manual 2004 or the yakima county regional stormwater manual 2009. Our stormwater manuals provide stormwater permit implementation and management guidance. If you have questions or concerns about the stormwater management. Final draft stormwater management manual for eastern washington. It also establishes goals, objectives, and design criteria for individual lid practices to achieve the flow reduction and water quality treatment standards for.
For more guidance to aid in project planning, preparation of complete stormwater submittals, and site management, please visit our construction and post construction page. If your project requires the use of this manual, consultation from a licensed civil engineer may be required. The hrm establishes minimum requirements and provides uniform technical. The 2012 state department of ecology stormwater management manual for western washington can be accessed from ecologys stormwater information website. Eastern washington 20192024 phase ii permit compliance eastern washington ms4 phase ii 20192024 permit compliance table. Stormwater management manual for eastern washington swmmew. Stormwater management manual for eastern washington manual is to provides guidance onfor the measures necessary to control the quantity and quality ofin stormwater design and management forin eastern washington. How to find the stormwater manual on the internet the stormwater management manual for eastern washington is also available on ecologys stormwater homepage. Ecology is working with eastern washington communities and other interested parties to complete a separate manual for eastern washington. Describes the reasons for improving stormwater management and provides the principles, objectives, key roles and responsibilities for stormwater management in wa. The highway runoff manual hrm provides guidance to direct the planning and design of stormwater management facilities for existing and new washington state highways, rest areas, parkandride lots, ferry terminals, and highway maintenance facilities throughout the state. Ecology accepting comments on stormwater management.
Define stormwater management manual for eastern washington swmmew. Stormwater management manual for western washington. If you are looking for assistance with road flooding, plugged road culverts, cleaning of storm drains, other maintenance type issues, or you want to report illegal discharges of oil, sediment, garbage, or other pollutants into surface waters or stormwater facilities, please call our hotline number. Chelan county adopts by reference the stormwater management manual for eastern washington, as now or hereafter amended, along with additional provisions for stormwater management as follows in this chapter.
Some details were omitted to maintain a small format. Use of new stormwater manuals new and existing facilities may select bmps from the most recent published edition of an applicable stormwater management manual such as the 2001 stormwater management manual for western washington 3 and the stormwater management manual for eastern washington 4 when published, or equivalent manual. Summary of washingtons new industrial stormwater general permit. I of the stormwater management manual for western washington swmmww. The wenatchee valley stormwater technical advisory committee wvstac was formed in january 2004 through a memorandum of understanding between chelan. Woodbury bulletin newspaper opinion page, august 11, 2004.
The objective of this manual is to provide guidance on the measures necessary to control the quantity and quality of stormwater produced by new development and redevelopment, such that they comply with water quality standards and contribute to the protection of receiving waters. Final draft stormwater management manual for eastern. Stormwater collection and yakima county, washington. The local effective date for the implementation for the 2019 stormwater management manual for eastern washington is august 1, 2019. Summary of washingtons new industrial stormwater general. Stormwater management manual for eastern washington 2004 ecology provided timetable. The washington state department of ecology is solely responsible for any. Local jurisdictions use this manual to set stormwater requirements for new development and redevelopment projects. The field guide covers the most commonly used erosion and sediment. This manual details the idde minimum control measure, which is. How to get printed copies of the stormwater management manual for eastern washington if you have a credit card, you can order printed copies of the manual and the manual on cd at. Hard copy and cdrom versions of the manual can be ordered from ecology.
Conservation design for stormwater management guidance manual. Spokane regional stormwater manual city of spokane, city of. Water conservation measures should be considered for all landscaped area, parks, and open spaces. An accurate count of washington residents will ensure the fair distribution of political representation and of federal and state resources. Executive summary the stormwater management manual for eastern washington manual provides guidance for the measures necessary to control the quantity and quality of stormwater in eastern washington. Stormwater manuals washington state department of ecology. Eastern washington phase ii municipal stormwater permit. Additionally, water quantity considerations are subject to local conditions, which may vary across the state. Stormwater manual 15 january 1, 2009 lexingtonfayette co.
Ecology initially proposed to update it to cover the entire state of washington. Chapters 5, 6, and 8 of the ecology eastern washington stormwater manual 2004 or another technical stormwater manual approved by ecology. Connecticut department of environmental protection. Eastern washington or another technical manual approved by. Consult the stormwater manual for details on planning, design, and.
The manual aims to provide a commonly accepted set of technical standards in addition to presenting new design information and new approaches to stormwater management. Our knowledge of the impacts of stormwater runoff and the methods for controlling it has improved. The highway runoff manual hrm provides guidance to direct the planning and. Under the technical information heading, you will find a link to the manual. The purpose of this manual is to assist spokane county in developing programs and procedures required by the eastern washington phase ii municipal stormwater permit permit. Ecology eastern wa permits overview of permit timelines. If you have questions about ordering the stormwater manual and model program please call the department of printing at 360 5705555.
Stormwater drainage and treatment facilities must be maintained in accordance with the most recent washington stormwater management manuals section s3. The guidance provided in this manual is applicable to new development. More recent references are contained within the individual pages and sections of the manual as updates are made to the manual. Pgis in accordance with the 2012 washington state department of ecology stormwater management manual for western washington is always required.