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BLD2023-0640+Critical_Area_Study+5.23.2023_2.08.14_PM+3564447CITY 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 "17`.189m RECEIVED BLD2023-0640 Jul 12 2023 CITY OF EDMONDS 4/11/2022 DEVELOPMENT SERVICES DEPARTMENT CHEUNG CALVIN TRUSTEE SEABEST IRREV TR 15604 75TH PL W EDMONDS, WA 98026 Subject: Critical Areas Determination (CRA2022-0044) Site Address: 15604 75TH PL W 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 5ch Avenue North, Edmonds WA 98020 Phone: 425.771.0220 • Fax: 425.771.0221 • Web: www.edmondswa.gov DEVELOPMENT SERVICES DEPARTMENT • PLANNING DIVISION /2C. 1 s91J Critical Area Determination (CRA2022-0044) 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 15604 75TH PL W Tax Account Number 00513100002410 Property Owner CHEUNG CALVIN TRUSTEE SEABEST IRREV TR Applicant NAZIM NICE Critical Area(s) Present ❑ Wetlands (ECDC 23.50): NA ❑ Frequently Flooded Areas (ECDC 23.70): NA X Geologically Hazardous Areas (ECDC 23.80) X Erosion Hazard Areas: Yes X Landslide Hazard Areas: Yes ❑ Seismic Hazard Areas: NA ❑ Fish & Wildlife Habitat Conservation Areas (ECDC 23.90) ❑ Mapped Fish & Wildlife Habitat: NA ❑ Streams: NA Site Description During review and inspection of the subject site, it was found that the site contains and/or is adjacent to critical areas, including Geologically Hazardous Areas (Erosion Hazard and Landslide Hazard Areas), pursuant to Chapters 23.40 and 23.80 of the Edmonds Community Development Code (ECDC). The subject property is located on the western side of 75th Place West and sits on top of a bluff overlooking Puget Sound. From 75th PI W, the property slopes down towards the railroad right-of-way and Puget Sound at moderate to steep grades. The subject property contains slopes ranging from approximately 26% to 41%, according to the City's LiDAR data. Soils on the site are identified as Alderwood-Everett Gravelly sandy loam, 25-70% slopes, and Alderwood Gravelly sandy loam, 15-25% slopes. Within this soil series, slopes in excess of 25% are classified as a potential erosion hazard and slopes in excess of 40% are classified as a potential landslide hazard. Additionally, this property is located within the designated Earth Subsidence and Landslide Hazard Area (ESLHA). 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) 4/11/2022 Date City of Edmonds GIS map tool with approximate location of critical areas: http://Mops.edmondswo.gov Page 12 City of Edmonds CRA2022-0044 P'00".0 /� WZ 4t //p I 1 0 / I/I lI I//�I�flt�P� � I � }�/ P Legend/ 1 r,r PO 0 fi ,i I/, Creek s� Seismic Hazard Areas%� Earth Subsidence and Landslide / '/ �% ' /I or, 0 ` �.p' /ate i _ L —1 Minimum Buffer Adjacent to Ha: Wetlands / 0 4/ , /20 y�iII II/ Wetlands Boundary Not Completel/%/ Wetland Boundaries Wetland Known Extents /�/I / II PO f• I /` ` 4I 1 i < 00 ,`` A I r I 1 �l IJ .i %' ,�. Floodplains �� r, Ijl / lJ �J", ff-r� % ■ 1 I /OPA �/�/// ;/!I.P1 ��f� rn%`/ �/' ® AE //, I / I��} I J. J „) , �� X DOH Wellhead Protection Areas 600 Feet F/Mok /! , � eZZZ410 /��'' �, �� /.. 7�•t� A��/� 1,000 Feet 6 Month . 1 Year , 1/// 1 / /� / Oil tl / v v4 �,� ■ 6Year 10 Year 4/// r- / .\ , �� // I '+ rl �'` + I /� �,% / / ! I%�� / I Ir 1%. t 1 / I ♦ `� I 110 Contour Lines 0 P �� !� 11 P001�j Landslide Hazard Area 40% � %� I f 1 1 I II f o � � I aP.��f � 0 0 Severe SErosion Hazard 15/040/ - 1 1: 758 O Notes 15604 0 63.1 S 126.3 Feet 1,128 WGS_1984_Web-Mercator _Auxiliary -Sphere 94.0 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, current, or otherwise reliable. 75TH PL W © City of Edmonds THIS MAP IS NOT TO BE USED FOR DESIGN OR CONSTRUCTION