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21127 Shell Valley Rd. Critical Area Determination CRA2020-0168CITY 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 "nc. 18y1i 11/12/2020 RINEHART ROBERT F & SYLVANA 21127 SHELL VALLEY RD EDMONDS, WA 98026-6949 Subject: Critical Areas Determination (CRA2020-0168) Site Address: 21127 SHELL VALLEY RD 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 "STUDY REQUIRED." Note that this determination is a site -specific determination and not a project -specific determination. If the critical area determination is "STUDY REQUIRED," 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, MICHELE SZAFRAN Planning Division Development Services Department Enc: Critical Area Determination CITY OF EDMONDS 121 5ch Avenue North, Edmonds WA 98020 Phone: 425.771.0220 • Fax: 425.771.0221 • Web: www.edmondswa.gov DEVELOPMENT SERVICES DEPARTMENT • PLANNING DIVISION `nc. 1891J Critical Area Determination (CRA2020-0168) 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 21127 SHELL VALLEY RD Tax Account Number 00373600500609 Property Owner RINEHART ROBERT F & SYLVANA Applicant Critical Area(s) Present ❑ Wetlands (ECDC 23.50): NA ❑ Frequently Flooded Areas (ECDC 23.70): NA ❑ Geologically Hazardous Areas (ECDC 23.80) ❑ Erosion Hazard Areas: NA ❑ Landslide Hazard Areas: NA ❑ Seismic Hazard Areas: NA ❑ Fish & Wildlife Habitat Conservation Areas (ECDC 23.90) ❑ Mapped Fish & Wildlife Habitat: Yes ❑ Streams: Yes Site Description The subject property is located off of the north side of Shell Valley Rd. The soils on the site are identified as Alderwood Gravelly Sandy Loam 15-25% slopes. The subject property slopes slightly along the majority of the site, and per city GIS LiDAR mapping there are erosion hazards shown along portions of the lot. The site contains retaining walls along the northeastern property corner, however the retaining walls appear to be less than 10 feet in height. Additionally, staff did not observe any onsite slopes greater than 10 feet in height on the subject property. During review and inspection of the subject site, it was found that the site also contains and/or is adjacent to a potential stream and is mapped within a priority habitat species overlay. 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. MICHELE SZAFRAN 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) 11/12/2020 Date City of Edmonds GIS map tool with approximate location of critical areas: http://maps.edmondswci.gov Page 12 City of Edmonds CRITICAL AREA MAP 0 23.51 47.0 Feet 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 • no Y rr ••.• Moun: Lb,� Legend Creeks Seismic Hazard Areas Earth Subsidence and Landslide �! Minimum Buffer Adjacent to Hat Wetlands Wetlands Boundary - - Wetland Boundaries Not Completel p Wetland Known Extents Floodplains ® A ® AE ® VE X Contour Lines 2 10:50 100 Landslide Hazard Area 40% Q Severe Erosion Hazard 15%-40% Erosion Hazard Areas 15%-40% ArcSDE.GIS.STREET CENTERLINE: — <all other values, 1 2 5,4 9: 71: 7: 8 Notes CRA2020-0168 21127 Shell Valley Rd.