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CRA2021-0083 DeterminationCITY 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 `ne. 18y\3 6/3/2021 JOSEPH S & LIAW HEATH GREGORY 711 ALDER ST EDMONDS, WA 98020-3416 Subject: Critical Areas Determination (CRA2021-0083) Site Address: 711 ALDER 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 "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, " fo AMBER GROLL 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 I/IC. 18y"-1 Critical Area Determination (CRA2021-0083) 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 711 ALDER ST Tax Account Number 00434209003300 Property Owner JOSEPH S & LIAW HEATH GREGORY Applicant JOSEPH GREGORY 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: NA ❑ Seismic Hazard Areas: NA ❑ Fish & Wildlife Habitat Conservation Areas (ECDC 23.90) ❑ Mapped Fish & Wildlife Habitat: NA ❑ Streams: NA Site Description The subject site is located n the north side of Alder Street and slopes downwards generally from the east to west. These slopes run down onto the subject site from the adjacent property to the east with an approximate 15-25% slope, according to City LiDAR data. Soils on the site are identified as Alderwood urban land complex, 8%-15% slopes. Given the steepness of the slopes (slopes in excess of 15%), and the soils on the subject property, the property is classified as containing potential erosion hazards pursuant to Chapter 23.80 in the Edmonds Community Development Code (ECDC). No other critical areas were observed on or adjacent to the site. 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. ae e f', 01 AMBER GROLL Name, Title 6/3/2021 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 �r Y of Edmonds CRA2021-0083 ,. - •� r 1 / lY^m�d r Z. W.— Legend ❑ Creeks Seismic Hazard Areas Earth Subsidence and Landslide _ ti �- L! Minimum Buffer Adjacent to Hat JigWetlands Wetlands Boundary Wetland Boundaries Not Completel - - p Wetland Known Extents / Floodplains A ® AE VE X 0 ReZones t-. O L i PRD RoW u, Contour Lines A 0 N 2 — 103 50 P '—� 1 ti ❑ — 100 Landslide Hazard Area 40% A El ❑ Severe Erosion Hazard 15%-40% Erosion Hazard Areas 15%-40% J ArcSDE.GIS.STREET_CENTERLINE 1 ` <all other values, !r+ 1 1: 379 O Notes 711 Alder 0 31.57 63.1 Feet 564 47.0 This map is a user generated static output from an Internet mapping site and is for St 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