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CRA2022-0079 Critical Area DeterminationCITY OF EDMONDS 121 5t" Avenue North, Edmonds WA 98020 Phone: 425.771.0220 • Fax: 425.771.0221 • Web: www.edmondswa DEVELOPMENT SERVICES DEPARTMENT • PLANNING DIVISION `ne. 18y1J 6/24/2022 KATHERINE R OARD 20906 WOODLAKE DR EDMONDS, WA 98026-6955 Subject: Critical Areas Determination (CRA2022-0079) Site Address: 20906 WOODLAKE DR Dear Applicant/Owner, Please find the enclosed critical area determination for the Critical Areas Checklist you submitted to the City of Edmonds Planning Division. The critical area determination for your property is "CRITICAL AREA PRESENT." Note that this determination is a site -specific determination and not a project -specific determination. If the critical area determination is "CRITICAL AREA PRESENT," additional critical areas information or critical areas specific studies may be required for development or alteration of your property depending on the location of the activity. "WAIVER" means no further critical area review is required for development or alteration of your property. If you have any questions regarding this critical area determination, please contact the planner on duty at 425.771.0220. Regards, AMBER BROKENSHIRE Planning Division Development Services Department Enc: Critical Area Determination Critical Area Map CITY OF EDMONDS 121 5t" Avenue North, Edmonds WA 98020 Phone: 425.771.0220 • Fax: 425.771.0221 • Web: www.edmondswa.gov DEVELOPMENT SERVICES DEPARTMENT • PLANNING DIVISION I/IC. 18y� Critical Area Determination (CRA2022-0079) Based on a review and inspection of the subject site, staff has determined that one or more critical areas are located on or near the site. Critical areas are ecologically sensitive or hazardous areas that are protected in order to maintain their functions and values. Site Location 20906 WOODLAKE DR Tax Account Number 00637700000600 Property Owner KATHERINE R OARD Applicant BRIANNA BLIVEN Critical Area(s) Present ❑ Wetlands (ECDC 23.50): NA ❑ Frequently Flooded Areas (ECDC 23.70): NA Geologically Hazardous Areas (ECDC 23.80) 2 Erosion Hazard Areas: Yes ❑ Landslide Hazard Areas: NA ❑ Seismic Hazard Areas: NA ❑ Fish & Wildlife Habitat Conservation Areas (ECDC 23.90) ❑ Mapped Fish & Wildlife Habitat: NA ❑ Streams: NA Site Description The subject property is located on the western side of Woodlake Drive and is currently developed with a single family home. According to the Soil Survey of Snohomish County, soils on the majority of the subject site consisting of "Alderwood Gravelly sandy loam, 15-25% slopes". The site is relatively level along the southern most portion of the property and in the vicinity of the existing home. The entire site slopes down towards the adjoining property to the north at slopes of 30- 38%, according to City LiDAR data. The property immediately adjacent to the north has a large terraced retaining wall with slopes of 38%. The comnination of the underlying soil typses and the grade of slopes classifies the site as a Severe Erosion Hazard Area. An Erosion and Sediment control plan compliant with Chapter 18.30 ECDC may be required for development on a site containing erosion hazard areas with slopes greater than 15%. What does this mean? The critical area regulations are only triggered when an alteration is proposed to a critical area or its buffer. However, once an alteration in or near critical area is proposed, critical area studies and City review and approval may be required. What is an `Alteration'? According to Section 23.40.005 of the Edmonds Community Development Code (ECDC): "Alteration" means any human -induced action which changes the existing conditions of a critical area or its buffer. Alterations include, but are not limited to: grading, filling; dredging; draining; channelizing; cutting, pruning, limbing or topping, clearing, relocating or removing vegetation; applying herbicides or pesticides or any hazardous or toxic substance; discharging pollutants; paving, construction, application of gravel; modifying for surface water management purposes; or any other human activity that changes the existing landforms, vegetation, hydrology, wildlife or wildlife habitat value of critical areas. AMBER BROKENSHIRE Name, Title Cited sections of the Edmonds Community Development Code (ECDC) can be found at http://www. codepublishing. com/WA/Edmonds Environmentally Critical Areas General Provisions (ECDC 23.40) Wetlands (ECDC 23.50) Frequently Flooded Areas (ECDC 23.70) Geologically Hazardous Areas (ECDC 23.80) Fish and Wildlife Habitat Conservation Areas (ECDC 23.90) Building permits — Earth Subsidence and Landslide Hazard Areas (ECDC 19.10) 6/24/2022 Date City of Edmonds GIS map tool with approximate location of critical areas: http://maps.edmondswa.gov Page 12 City of Edmonds CRA2022-0079 p AW 356 i Legend 36u = Creeks 362 M Seismic Hazard Areas r— L! Minimum Buffer Adjacent to Ha: 3 r Wetlands Wetlands Boundary 3 3�� M _ Wetland Boundaries Not Completel Wetland Known Extents Floodplains 3�2 ® A ® AE 374 ® vE � X w j S 376 DOH Wellhead Protection Areas r ❑ 600 Feet 378 1,000 Feet Ll 6 Month ,ago 1 Year . 5 Year 3g1 • . 10 Year Sewer Points 3g4 Manhole O Cleanout • Lift Station ' 3gIS • _ , ® Meter O Non City Manhole 0. jai 1: 379 O Notes 20906 WOODLAKE DR 0 31.57 63.1 Feet 564 47.0 This map is a user generated static output from an Internet mapping site and is for reference only. Data layers that appear on this map may or may not be accurate, WGS_1984_ Web _Mercator _Auxiliary -Sphere current, or otherwise reliable. © City of Edmonds THIS MAP IS NOT TO BE USED FOR DESIGN OR CONSTRUCTION