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CRA2024-0069 DeterminationCITY OF EDMONDS 121 51h Avenue North, Edmonds WA 98020 Phone: 425.771.0220 • Fax: 425.771.0221 • Web: www.edmondswa PLANNING & DEVELOPMENT DEPARTMENT • PLANNING DIVISION I/Ic. 10-, 5/7/2024 STEVEN KIRKPATRICK 21090 88TH PL W EDMONDS, WA 98026-6908 Subject: Critical Areas Determination (CRA2024-0069) Site Address: 21090 88TH 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, ROSE HAAS Planning Division Planning & Development 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 PLANNING & DEVELOPMENT DEPARTMENT • PLANNING DIVISION 'nc. 1891i Critical Area Determination (CRA2024-0069) 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 21090 88TH PL W Tax Account Number 00373600500511 Property Owner STEVEN KIRKPATRICK Applicant STEVEN KIRKPATRICK 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: Yes ❑ Streams: NA Site DescriDtion The subject property is a heavily wooded approximate 21,780 sf lot at the end of 85th PI W. Soils on the subject site are identified as Alderwood Urban land complex, 2-8% slopes, at the northern panhandle of the property, and Alderwood Gravelly Sandy Loam, 15-25% slopes, on the majority of the property according to Snohomish County soils data. LiDAR data indicates that the northeastern portion of the lot contains approximate 46% slopes. Slopes greater than 40% are considered Landslide Hazard Areas. LiDAR data also indicates large swathes of adjacent landslide hazard areas to the east and west of the property. During inspection of the subject site, it was confirmed that a moderate slope exists across the southern half of the property, gradually increasing in steepness, towards the southern property line. Steep slopes were observed to the immediate east of the property. Any land disturbing activity within 50 feet of the steep slopes will require a geotechnical report per requirements of ECDC 23.80, with specific reference to ECDC 23.80.060 and ECDC 23.80.070. Additionally, an Erosion and Sediment control plan compliant with chapter 18.30 ECDC may be required for development on a site containing an erosion hazard area which would be reviewed as part of a building permit. The Washington Department of Fish and Wildlife indicates that the southern portion of the parcel lies within 'Biodiversity Areas and Corridor.' The Washington Department of Fish and Wildlife does not identify the area as 'sensitive,' and neither WDFW nor the ECDC provide specific development guidance for the area. 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. Unpermitted alteration of a critical area or buffer (including tree trimming or topping, dumping yard waste, or application of pesticides or fertilizers) can lead to enforcement action and fines. Before undertaking any work, please contact the City to verify whether critical area studies and City review is necessary. Page 12 ROSE HAAS, Planner 5/7/2024 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) Date City of Edmonds GIS map tool with approximate location of critical areas: http://mops.edmondswo.gov Page 13 ,=- City of Edmonds CRA2024-0069 Map ,. Legend 8722 2 ' I '• _ Creeks Seismic Hazard Areas Earth Subsidence and Landslide N r 0909 r - L! Minimum Buffer Adjacent to Hat ram• Wetlands � 1 Wetlands Boundary Wetland Boundaries Not Completel f. p Wetland Known Extents Floodplains ® A ® AE VE 1 ` x Critical Aquifer Recharge Areas V QVa Soils 1 _ . 6 Month _ . 1 Year O� ❑ 5 Year � 2A11 10 Year nBuffer Zone Z 11 ZQ' Contour Lines 10 50,100 • ❑ Landslide Hazard Area 40% i i ❑ Severe Erosion Hazard 15%-40% i i 1:1,516 O Notes 21090 88th PI W 0 126.30 252.6 Feet 2,257 188.1 This map is a user generated static output from an Internet mapping site and is far 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