These two shapefiles represent New Mexico NHD High Resolution stream segments and waterbodies, merged and clipped to the state boundary. RAW NHD High Resolution data, including additional layer files, is available from: https://viewer.nationalmap.gov/basic/

Ecology created SMA_Jurisdiction_Streams (also known as SMA_Arcs_Adopt) by selecting appropriate flowlines from the National Hydrographic Dataset "NHDFlowline.lyr" as maintained by the Department of Ecology in conjunction with the USGS. This dataset can be used with linear referencing and is synchronized with the March 2019 version of NHD.The original official list of streams that meet the 20 cubic feet per second (cfs) mean annual flow criteria found in state rule at WAC 173-18 HAS BEEN SUPERSEDED by lists contained in Ecology-approved shoreline master programs.Each local government master program shall include a list of streams constituting shorelines of the state within the jurisdiction of the master program that complies with the requirements of RCW 90.58.030 (2)(d). When such master program is approved by the department, subsequent to the effective date of this provision, the list within the master program shall be the official list for that jurisdiction and shall supersede the list contained herein. Streams and rivers westof the Cascades crest with a mean annual flow of 1,000 cfs or greater, and eastof the Cascades crest with either a mean annual flow or 200 cfs or more orthe portion downstream from the first 300 square miles of drainage areas are classified as shorelines of statewide significance.

Ecology created SMA_Poly_Adopt (also known as SMA_Jurisdiction_Lakes) by selecting appropriate water bodies from the National Hydrographic Dataset "NHDWaterbody.lyr" as maintained by the Department of Ecology.The Shoreline Management Act (SMA) applies to lake sand reservoirs greater than 20 acres in area. The area used to make this determination is defined by a continuous ordinary high water mark and may include vegetated areas as well as open water areas.Lakes over 1,000 acres in area and all associated shorelands are shorelines of statewide significance. Lakes of statewide significance are listed by county in WAC 173-20.Water bodies found to be smaller than the 20-acre minimum will be removed from SMA_Poly_Adopt. Water bodies greater than 20 acres not captured in SMA_Poly_Adopt will be added to it. These changes occur on an irregular basis. See Chapter 173-18-044 WACThe SMA_Jurisdiction_Lakes dataset was resynchronized to the March 2019 version of the NHDhttps://ecology.wa.gov/Water-Shorelines/Shoreline-coastal-management/Shoreline-coastal-planning/Shoreline-Master-Programs

Points on streams and rivers where SMA jurisdiction begins as published in Chapter 173-18 WAC. This layer will not be updated. It is slowly becoming outdated as cities and counties update their list of SMA streams in their shoreline master program. See WAC 173-18-044 posted at http://apps.leg.wa.gov/wac/default.aspx?cite=173-18-044.Point locations were originally compiled for Ecology in 1972 by the US Geological Survey, Water Resources Division, Tacoma, WA, and released in STREAMS OF WASHINGTON UNDER THE REQUIREMENTS OF THE SHORELINE MANAGEMENT ACT OF 1971. Points were determined using multiple-regression techniques based on streamflow and basin precipitation records. Ecology has occasionally updated point locations, and added and subtracted points since 1972.

Streams and rivers published in Chapter 173-18-WAC. This layer will not be updated. It is slowly becoming outdated as cities and counties update their list of Shoreline Management Act streams in their shoreline master program. See WAC 173-18-044 posted at http://apps.leg.wa.gov/wac/default.aspx?cite=173-18-044.The upstream points where SMA jurisdiction begins were originally compiled for Ecology in 1972 by the US Geological Survey, Water Resources Division, Tacoma, WA, and released in STREAMS OF WASHINGTON UNDER THE REQUIREMENTS OF THE SHORELINE MANAGEMENT ACT OF 1971. Points were determined using multiple-regression techniques based on streamflow and basin precipitation records. Ecology has occasionally updated those points and added and subtracted SMA streams and portions of SMA streams since 1972.

Water bodies (lakes, wetlands, etc.) published in Chapter 173-20 WAC. These will be replaced by water body lists published in local government shoreline master programs. See Chapter 173-20-044 WAC.

Location and extent of Melbourne Water natural and constructed (man-made) wetlands and lakes. Captured using the Top Water Level (TWL) of each, includes wetland or lake name, asset section (for As Constructed drawings) and key attributes. Data set required to indicate the location and types of assets used for stormwater treatment (treatment and removal of pollutants from the stormwater system) and flow management (helping maintain the flow of water and reduce the impacts of floods), for ongoing condition monitoring, maintenance and hydrologic or vegetation analysis and to assist with the planning and design, construction of future stormwater management (WSUD) options.NOTE: Whilst every effort has been taken in collecting, validating and providing the attached data, Melbourne Water Corporation makes no representations or guarantees as to the accuracy or completeness of this data. Any person or group that uses this data does so at its own risk and should make their own assessment and investigations as to the suitability and/or application of the data. Melbourne Water Corporation shall not be liable in any way to any person or group for loss of any kind including damages, costs, interest, loss of profits or special loss or damage, arising from any use, error, inaccuracy, incompleteness or other defect in this data.