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CRA2022-0114 DeterminationCITY OF EDMONDS 121 5ch Avenue North, Edmonds WA 98020 Phone: 425.771.0220 • Fax: 425.771.0221 • Web: www.edmondswa DEVELOPMENT SERVICES DEPARTMENT • PLANNING DIVISION '17C. 18y\3 8/30/2022 BRIAN\ EMILY PETERSON 9216 SIERRA ST EDMONDS, WA 98020-2925 Subject: Critical Areas Determination (CRA2022-0114) Site Address: 9216 SIERRA ST 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, ROSE HAAS Planning Division Development Services Department Enc: Critical Area Determination 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 C. 1 091J Critical Area Determination (CRA2022-0114) 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 9216 SIERRA ST Tax Account Number 00572800000700 Property Owner BRIAN\ EMILY PETERSON Applicant DENNIS TITUS 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: Yes ❑ Landslide Hazard Areas: Yes ❑ Seismic Hazard Areas: NA ❑ Fish & Wildlife Habitat Conservation Areas (ECDC 23.90) ❑ Mapped Fish & Wildlife Habitat: NA ❑ Streams: NA Site DescriDtion The parcel contains a steep slope with an average of approximately 36% grade from the N-S midline of the property to the SW corner of the lot. Soil type is Alderwood Gravelly sandy loam, 15-25% slopes, which is considered a severe erosion hazard. SW tip of property and adjacent properties to the N, W, and S of the lot include a landslide hazard area, with slopes in excess of 40%. Site visit confirmed LIDAR data - a steep slope with vegetation began immediately to the W of the property, and becomes more precipitous toward the SW corner and in adjacent lots to the N, W, and S of the property. 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. ROSE HAAS Name, Title 08/30/2022 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) Date City of Edmonds GIS map tool with approximate location of critical areas: http://maps.edmondswa.gov Page 12 City of Edmonds CRA2022-0114 Map 'fir Y 0 63.15 126.3 Feet 94.0 This ma is a user generated static output from an Internet mapping site and is for �,�2$ P� B P pP !; 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 Legend Creeks Seismic Hazard Areas Earth Subsidence and Landslide r— L! Minimum Buffer Adjacent to Hat Wetlands Wetlands Boundary — - Wetland Boundaries Not Completel p Wetland Known Extents Floodplains ® A ® AE ® VE X DOH Wellhead Protection Areas . 6 Month ■ 1 Year 5 Year Ll 10 Year Buffer Zone Contour Lines — 10 — 50; 100 Landslide Hazard Area 40% Severe Erosion Hazard 15%-40% ❑ Erosion Hazard Areas 15%-40% A-C- I_'IC C-- f`C 1-11-1 Notes 9216 Sierra St