Hydrologic and Hydraulic Modeling Software - King County
WEBAny changes in approved models will be posted on the most recent SWDM web page. At this time, King County Backwater Windows WKCBW may be used for any version of the SWDM. Stormwater Services Section. Email: stormwater@kingcounty.gov. Phone: …
Stormwater and surface water management - King County
WEBSurface Water Design Manual. Requirements and standards for designing surface and stormwater management systems in King County to mitigate the impacts of new development and redevelopment on natural and existing man-made drainage systems. Stormwater pollution and prevention. Resources for preventing pollution at your home …
Tolt River Natural Area - King County, Washington
WEBInformation about King County's Tolt River Natural Area, located approximately two miles east of the City of Carnation in unincorporated King County, including what natural resource and habitat considerations are made in managing the site and what uses/activities are allowed on the property.
Groundwater Well Viewer - King County
WEBApr 7, 2023 · Zoom to a Water Service. Area: Search by Parcel: Groundwater Well Viewer. Link. Base. Aerial. Hybrid. Updated: April 7, 2023. Look up groundwater wells in an interactive map, get detailed information about a well or water level and water qulaity data.
2021 Surface Water Design Manual - King County, Washington
WEBDrainage resources for professionals. 2021 Surface Water Design Manual. A technical manual detailing stormwater management requirements for parcel development in King County, WA. Also applicable in any other municipalities that have adopted this manual. At present the most current version is the 2021 Surface Water Design Manual (SWDM).
Chapter 3 - Hydrological Analysis - King County, Washington
WEBChapter Organization. The information presented in this chapter is organized into three main sections: Section 3.1, "Hydrologic Design Standards and Principles" (p. 3-3) Section 3.2, "Runoff Computation and Analysis Methods" (p. 3-11) Section 3.3, "Hydrologic Design Procedures and Considerations" (p. 3-37).
Lake stewardship - King County, Washington
WEBServices. Environment. Water and land services. Lakes. Stewardship. Lake stewardship. Protecting the lakes of King County, Washington. The Lake Stewardship Program monitors the water quality of small lakes in King County to assess the real and potential changes over time. Small lake data and info.
RainScapes: Natural Rainwater Solutions - King County, Washington
WEBFeatured project: using cisterns to save water and money. How it works: An above-ground water storage tank, called a cistern, will be installed at this Redmond home to capture rainfall from the roof and reuse it to water the lawn, landscaping, and fruit trees.
Groundwater Well Data Search
WEBUpdated: April 7, 2023. Get detailed information on a well - well properties such as location name, type of well etc. and water level data and water quality sampling data for a well.
Stormwater glossary - King County, Washington
WEBBackwater. Water upstream from an obstruction which is deeper than it would normally be without the obstruction. Baffle. A device to deflect, check or regulate flow. Basin. Any area draining to a point of interest.
Groundwater Well Data Search | King County | Open Data
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The Lake Washington story - King County, Washington
WEBThe basin of Lake Washington is a deep, narrow, glacial trough with steeply sloping sides, sculpted by the Vashon ice sheet, the last continental glacier to move through the Seattle area. The lake is 20.6 feet above mean lower low tide in Puget Sound, to which it is connected via Lake Union and the lake Washington Ship Canal, constructed in 1916.
Waterway classifications - King County, Washington
WEBIs the waterway a backwater for or connection to a downstream body of water? View waterway classification maps by Agricultural Production District: Snoqualmie River (630 KB) Sammamish River (1.7 MB) Enumclaw & Upper Green …
Technical guidance for stormwater projects - King County
WEBHydrologic and hydraulic modeling software. Runoff Time Series (RTS) and Backwater Analysis are required by the SWDM for sizing detention and infiltration flow control facilities and for conveyances. The King County Runoff Time Series is not approved for use as of the 2016 and later SWDMs.
Managing stormwater in King County - King County, Washington
WEBHome. Natural Resources & Parks. Stormwater & surface water management. Managing stormwater in King County. Resources for environmental managers and annual reporting for King County's Phase I Municipal Stormwater National Pollutant Discharge Elimination System (NPDES) Permit. Stormwater Services Section. Email: …
Recycled water - King County, Washington
WEBWater uses. How to get recycled water? Already using recycled water? Experience and safety. Recycled water research. FAQ. Contact. recycled.water@kingcounty.gov. 206-477-5557. the right water for the right use.
WEBThere are two types of flooding that may occur related to beavers: backwater flooding, which occurs when a dam backs up water from a stream, and downstream flooding, which may occur if a dam breaks and releases the water stored behind it. King County currently has no formal policy for responding to beaver-related backwater flooding. Until a
Mouth of Taylor Reach Natural Area - King County, Washington
WEBWetlands and backwater areas that run north-south on the property limit access to the Getchman levee which runs along the Cedar River on the southern parcels.
2016 Surface Water Design Manual - King County, Washington
WEBDrainage resources for professionals. 2016 Surface Water Design Manual. A technical manual detailing stormwater management requirements for parcel development in King County, WA. Also applicable in any other municipalities that have adopted this manual. At present the most current version is the 2021 Surface Water Design Manual.
Stormwater Pollution Prevention Manual - King County, Washington
WEBStormwater & surface water management. Stormwater pollution prevention. Stormwater Pollution Prevention Manual. The Stormwater Pollution Prevention Manual (SPPM) provides best management practices (BMPs) for managing stormwater on commercial, multi-family, and residential properties. Stormwater Services Section. Robert (Bob) …
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