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CRA2023-0126 DeterminationCITY OF EDMONDS 121 5ch Avenue North, Edmonds WA 98020 Phone: 425.771.0220 • Fax: 425.771.0221 • Web: www.edmondswa PLANNING & DEVELOPMENT DEPARTMENT • PLANNING DIVISION '17C. 18y\3 8/28/2023 GEORGE TSOUKALAS 16121 74TH PL W EDMONDS, WA 98026-4555 Subject: Critical Areas Determination (CRA2023-0126) Site Address: 16121 74TH 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 (CRA2023-0126) 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 16121 74TH PL W Tax Account Number 00790400000800 Property Owner GEORGE TSOUKALAS Applicant GEORGIOS TSOUKALAS Critical Area(s) Present ❑ Wetlands (ECDC 23.50): Yes ❑ 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: NA ❑ Streams: Yes Site DescriDtion The subject property is an approximate 5,227 square foot lot located within the Lorian Woods PRD, which contains multiple critical areas, including landslide hazard areas, severe erosion hazards, a wetland, and a potential stream. The soils on the west half of the site are classified as Alderwood Gravelly sandy loam, 15-25% slopes, and the soils on the east half of the site are classified as Alderwood- Everett Gravelly sandy loams, 25-70 according to Snohomish County soils data. The site is also identified as being within the North Edmonds Earth Subsidence and Landslide Hazard Area (ESLHA) as defined in Chapter 19.10 and Chapter 23.80 of the Edmonds Community Development Code (ECDC). LiDAR data indicates that across the entire parcel the slope is 20%. Slopes greater than 15% with the mapped soil composition are considered Severe Erosion Hazard Areas. The north portion of the property and eastern adjacent properties contain slopes in excess of 40%. Slopes greater than 40% are considered Landslide Hazard Areas. According to the City's GIS data, the parcel lies approximately 160 feet west of a potential wetland and approximately 52 feet west of a potential stream associated with the mapped wetland. During inspection of the subject site, a steep slopes were confirmed on the north portion of the property on the eastern adjacent properties. The majority of the subject site contained moderate downward slope from east to west. No potential wetland was observed during the site visit, but the presence of a stream on the east side of the property was confirmed. 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. Wetlands, streams, and their associated buffers could impact the subject site. A qualified professional may need to assess the area to determine the classifications of potential wetlands and streams 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. 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. Page 12 Before undertaking any work, please contact the City to verify whether critical area studies and City review is necessary. ROSE HAAS, Planner 8/28/2023 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) Date City of Edmonds GIS map tool with approximate location of critical areas: http://mcips.edmondswo.gov Page 13 ,=- City of Edmonds CRA2023-0126 Map 101 '� / Legend � ��� jJ/ r /� ^�; / � 0 �• `• J ��� !. f ` ( + Its '/��►.� � � /� / J , a��f. 1 / // + �•• r� j `•� r / , .� '�� �••. / + �� � / / I ;• a'� I J �/ // OcYts'��,�! - ///� �Ilk Creeks � Seismic Hazard Areas Earth Subsidence and Landslide I Wetlands 1� + 4. / �A -►_ f ++ //// �t/,; � Wetlands Boundary 1 `, •, • �r ♦ FIA- •'/ /'� ►,. ♦• j I � ,. ' 0011''J (;.1 - 4� / , ♦', J % �'1�► f � �4 I 0 ►� 4 r � �+ f f / ' �> >Q + �+ / / �� Wetland Boundaries Not Completel Wetland Known Extents Storm Catch Basins ■ Edmonds •p^•... / f`.,;_., i I' �� / `� I f � /�; „�C` J •.l7 i ,� i / is 1 f �� l c (.r• / I •'� J I e /i .�rJ1i / 0` /�/ / o Private o Infiltration Storm Manholes ff7 'eA!/" • ; 4 / � � � // J� ; % � � 0.51 ���� O Edmonds ® Private � Infiltration • Detention Facilities r'r / ^ ,,' b /� �t4 !�/ I/�////j// / Culvert • <all othervalues> Yes .� l �.J/�/ A I/�� / f� / // !/ / Facility Feature Creeks }r,t'- y .�I. ///j�l/// %A %/ % ' I �/ • / ' O 7 �� , 1 // / 'i / � / �/ /1 Storm Line — <all other values> — No, BNSF; No, COUNTY; No, LYNI MOUNTLAKE TERRACE; No, POF a �I / i �<' � // I; ///��� /s / 1 + '' 1/" / SHORELINE; No, STATE; No, W0, — Yes, EDMONDS; Yes, PRIVATE; 1 Notes 1. 758 I,/A O 0 63.15 126.3 Feet 1,128 WGS_1984_Web_Mercator _Auxiliary -Sphere 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, current, or otherwise reliable. 16121 74th PI W © City of Edmonds THIS MAP IS NOT TO BE USED FOR DESIGN OR CONSTRUCTION