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CRA2024-0150 Critical Area 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-, 10/17/2024 I.1�L1TAI0aJ_11►II 9523 190TH PL SW EDMONDS, WA 98020 Subject: Critical Areas Determination (CRA2024-0150) Site Address: 9523 190TH PL SW 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, CPAA/�&Wv�_ CARMEN SMITH Planning Division Planning & Development 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 PLANNING & DEVELOPMENT DEPARTMENT • PLANNING DIVISION C. 1 091J Critical Area Determination (CRA2024-0150) 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 9523 190TH PL SW Tax Account Number 00434600007801 Property Owner SUSAN PAINE Applicant SUSAN PAINE Critical Area(s) Present ❑ Wetlands (ECDC 23.50): NA ❑ Frequently Flooded Areas (ECDC 23.70): NA IR Geologically Hazardous Areas (ECDC 23.80) 5� Erosion Hazard Areas: Yes :�4 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 property contains and/or is adjacent to critical areas, specifically severe erosion hazard areas and landslide hazard areas pursuant to ECDC 23.80. The property is approximately 36,590sf and is developed with a single-family residence. Soils on the western portion of the site are Alderwood Gravelly sandy loam, 15-25% slope and soils on the eastern portion of the site are Alderwood-Everett Gravelly sandy loams, 25-70. The property slopes gradually down east -west. The property is relatively level in the footprint of the residence, but portions of the property to the west and east of the residence contain slopes in excess of 40%, according to the City's LiDAR data. The slopes to the west were heavily vegetated, which made it difficult to see the extent of slope. Adjacent properties to the west and east also contain mapped slopes in excess of 40%, according to the City's LiDAR data. Slopes on the site are considered to be severe erosion hazard areas based on the soil composition (per ECDC 23.80) and slopes in excess of 40% are categorized as potential landslide hazard areas pursuant to ECDC 23.80. 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 may be reviewed as part of a building permit. Additionally, any land disturbing activity within 50 feet of the landslide hazard will require a geotechnical report per requirements of ECDC 23.80, with specific reference to ECDC 23.80.060 and ECDC 23.80.070. 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. CARMEN SMITH, PLANNER Name, Title Cited sections of the Edmonds Community Development Code (ECDC) can be found at http.-Ilwww.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) 10/17/2024 Date City of Edmonds GIS map tool with approximate location of critical areas: http://Mops.edmondswa.gov Page 12 City of Edmonds CRA2024-0150 Vicinity Map ' "7 N O� � J j Legend 0 Contour Lines N 10 — 50' 100 Landslide Hazard Area 40% 1 O (N N � ��_ ❑ Severe Erosion Hazard 15%-40% ❑ Erosion Hazard Areas 15%-40% 9 5 2 3 ArcSDE.GIS.STREET CENTERLINE; — <all other values, i 1 2 � 514 91 71, 71 8 Sections Boundary Sections t(' M1 Edmonds Boundary _ 0 527 ArcSDE.GIS.PROPERTY_BUILDIN( ArcSDE.GIS.STREET CENTERLINE: — <all other values> Interstate + oo Principal Arterial 2 Minor Arterial, Collector 1 Local Street hp State Highways 1' <all other values> 0 1 C � Notes 190TH PL SW 0 63.15 26.3 Feet 94.0 This ma is a user generated static output from an Internet 1,128 p g p mapping site and is for 9523 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