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CRA2024-0081 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 6/6/2024 STEVEN VAAGA 18427 79TH PL W EDMONDS, WA 98026-5848 Subject: Critical Areas Determination (CRA2024-0081) Site Address: 18427 79TH 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, TRISTAN SEWELL Planning Division Planning & Development Department Enc: Critical Area Determination CITY OF EDMONDS 121 5ch Avenue North, Edmonds WA 98020 Phone: 425.771.0220 • Fax: 425.771.0221 • Web: www.edmondswa.gov PLANNING & DEVELOPMENT DEPARTMENT • PLANNING DIVISION `nc. 1891J Critical Area Determination (CRA2024-0081) 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 18427 79TH PL W Tax Account Number 00471000001500 Property Owner STEVEN VAAGA Applicant MEGHANN MINGLE Critical Areas) 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 property is located west of 79th PI. W and is currently developed with a single-family home. The site is relatively level along the southern property boundary and begins to slope steeply along the north (rear) side of the existing residence. According to the Soil Survey of Snohomish County, soils on the subject site consist of "Alderwood urban land complex, 2-8% slopes" and "Alderwood-Everett gravelly sandy laoms, 25-70% slopes". According to the City LiDAR data, portions of the site contain slopes greater than 15% are considered a potential erosion hazard. 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. 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 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) June 6, 2024 City of Edmonds GIS map tool with approximate location of critical areas: http://mops.edmondswo.gov Page 12 .r 4, City of Edmonds CRA2024-0081 0 K23 • / � • 7Uq r• � � � 99 1 415 Legend ■ = Creeks ® Seismic Hazard Areas 1 Earth Subsidence and Landslide I •418 �— L! Minimum Buffer Adjacent to Hai � AI�Wood Urban 1: 419 $ Alderwood-Everett Gravelly sandy � Wetlands Wetlands Boundary Ishdcomplex, Ioams, 255-70 —•- Wetland Boundaries Not Completel 8-15 °o opes + _ � Wetland Known Extents 1 .42 6 Aquifer Recharge Areas ^Critical V QVa Soils 7 1 • 42 / 6 Month . 1 Year ■ 5 Year 10 Year 1 £+_ Buffer Zone oReZones 4 PRD RoW USGS Soils 08 Alderwood Gravelly sandy loam, 15 El Alderwood Gravelly sandy loam, 2- I FJ1 �1''� Alderwood Gravelly sandy loam, 8- 1 • Alderwood Urban land complex, 24 Alderwood Urban land complex, 8-' %. Alderwood-Everett Gravelly sandy I ' 512 Custer fine sandv loam. 0-2% slope 111— VV 1: 758 O Notes 18427 79TH PL W 0 63.16 126.3 Feet 1,128 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, WGS_1984_Web _Mercator _Auxiliary -Sphere current, or otherwise reliable. © City of Edmonds THIS MAP IS NOT TO BE USED FOR DESIGN OR CONSTRUCTION