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CRA2023-0171 initial determinationCITY OF EDMONDS 121 5t" Avenue North, Edmonds WA 98020 Phone: 425.771.0220 • Fax: 425.771.0221 • Web: www.edmondswa PLANNING & DEVELOPMENT DEPARTMENT • PLANNING DIVISION "ne. 18y%J 11 /28/2023 WILLIAM J CANNON 18810 92ND AVE W EDMONDS, WA 98020-2316 Subject: Critical Areas Determination (CRA2023-0171) Site Address: 18810 92ND AVE 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, TRISTAN SEWELL Planning Division Planning & Development Department Enc: Critical Area Determination CITY OF EDMONDS 121 51h 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 (CRA2023-0171) Based on a review and inspection of the subject site, staff 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 18810 92ND AVE W Tax Account Number 00588600000500 Property Owner WILLIAM J CANNON Applicant MATTHEW MAWER 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 contains slopes that qualify as an Erosion Hazard Area as defined in ECDC Chapter 23.80. The majority of the subject site slopes down from 92nd Ave. W, levelling out on the western third of the lot. City GIS identifies the soils onsite as Alderwood Urban land complex, 8-15% slopes. The portions of the property that contain slopes greater than 15% are considered to be potential erosion hazards. 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. 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. TRISTAN SEWELL Planner November 28, 2023 Cited sections of the Edmonds Community Development Code (ECDC) can be found at h ttp://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) City of Edmonds GIS map tool with approximate location of critical areas: http://maps.edmondswa.gov Page 12 City of Edmonds CRA2023-0171 18717 I♦ $7° . 810 7 ■ ! PD4-4 t 18723 o Lr) 0 � 18727 18730 X \ 18732 1 806 J1 18 0, f ■ 1872'6 0 - / 9125 _ Ln � � 0 Legend Creeks Seismic Hazard Areas Earth Subsidence and Landslide L! Minimum Buffer Adjacent to Hat Wetlands Wetlands Boundary Wetland Boundaries Not Completel PD5--227 �p CD :- 00 18 . 2 �+ 1890 18 1 18 23 185 / 18829 18808 1881 ti � 1881 1881 18829 M Wetland Known Extents ®odplains A AE ® ® vE X 18914 18 1 18 ' 15 I1 18909 18911 -7 1.906 �90� \ � / •920 \\ a` ArcSDE.GIS.DOH_WELLHEAD_PR � Exposed Aquifer . 6 Month . 1 Year 5Year 10 Year Buffer Zone Storm Catch Basins 1H PL SW _ 11892 1 rr 18921 r, 1 PD47 : D8 IO r"I❑ CY, °` 18924 ° DO 00 00 CoF c Edmonds o Private ■ Infiltration Storm Manholes J 19005 1: 1,664 O M Edmonds Notes 18810 Ave W 0 138.68 277.4 Feet WGS_1984_Web _Mercator _Auxiliary -Sphere 2,478 206.5 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. 92nd © City of Edmonds THIS MAP IS NOT TO BE USED FOR DESIGN OR CONSTRUCTION