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CRITICAL AREAS &
STREAM STUDY
FOR
WINDSOR COURT
CITY OF RENTON, WA
Wetland Resources, Inc. Project #23241
Prepared By
Wetland Resources, Inc.
9505 19th Avenue SE, Suite 106
Everett, WA 98208
(425) 337-3174
Prepared For
DeDonato Group LLC
Attn: Tom DeDonato
10257 NE 64th Street
Kirkland, WA 98033
February 4, 2025
ii
TABLE OF CONTENTS
1.0 INTRODUCTION .........................................................................................................................1
1.1 SITE DESCRIPTION ............................................................................................................................. 1
1.2 PROJECT DESCRIPTION ...................................................................................................................... 2
2.0 WETLAND AND STREAM DETERMINATION REPORT .................................................................2
2.1 PUBLICLY AVAILABLE DATA ............................................................................................................... 2
2.2 WETLAND & STREAM DETERMINATION METHODOLOGY .............................................................. 3
2.3 WETLAND & STREAM BOUNDARY DETERMINATION FINDINGS ...................................................... 4
3.0 OTHER CRITICAL AREAS ...........................................................................................................5
3.1 HABITAT CONSERVATION AREAS/HABITAT ASSESSMENT .............................................................. 5
3.2 FLOOD HAZARD AREAS ...................................................................................................................... 5
4.0 FUNCTIONS AND VALUES ASSESSMENT .....................................................................................5
4.1 EXISTING CONDITIONS ...................................................................................................................... 5
4.2 POST-CONSTRUCTION FUNCTIONS AND VALUES ............................................................................ 6
5.0 USE OF THIS REPORT ................................................................................................................6
6.0 REFERENCES ..............................................................................................................................7
LIST OF FIGURES
FIGURE 1 - AERIAL VIEW OF THE SUBJECT PARCEL. .........................................................................1
LIST OF APPENDICES
APPENDIX A: U.S. CORPS OF ENGINEERS WETLAND DETERMINATION DATA FORMS
APPENDIX B: CRITICAL AREA AND STREAM STUDY MAP
Critical Areas & Stream Study Wetland Resources, Inc. #23241
Windsor Court 1 February 4, 2025
1.0 INTRODUCTION
Wetland Resources, Inc. (WRI) performed a site investigation on October 6, 2023, to locate
jurisdictional wetlands and streams on and near tax parcels 6623400232 and 6623400233. The
investigation area is further located at 19411 and 19505 108th Avenue Southeast, Renton,
Washington. The Public Land Survey System (PLSS) locator for these properties is Section 5,
Township 22N, Range 5E, W.M.
1.1 SITE DESCRIPTION
This 2.56-acre investigation area fronts both 108th Avenue Southeast and 107th Avenue Southeast.
Existing single-family residences, outbuilding and associated improvements are located within its
boundary. On-site vegetation is primarily unmaintained lawn/pasture and landscaping with
pockets of Himalayan blackberry, big-leaf maple, western red cedar, and Douglas fir. Topography
is characterized by a relatively undulating plateau on the western half and a moderate east aspect
sloping down to 108th Avenue Southeast.
- Aerial view of the subject parcel.
Critical Areas & Stream Study Wetland Resources, Inc. #23241
Windsor Court 2 February 4, 2025
No wetlands or streams are located within the boundary of the subject property. Panther Creek
was observed well north of the site and also directly across 108th Avenue Southeast.
1.2 PROJECT DESCRIPTION
The applicant is proposing a 20-unit short plat and associated improvements on this 2.56-acre
parcel.
2.0 WETLAND AND STREAM DETERMINATION REPORT
2.1 PUBLICLY AVAILABLE DATA
Before conducting the site investigation, public resource information was reviewed to gather
background information on the subject property and the surrounding area regarding wetlands,
streams, and other critical areas. These sources include the following:
• USFWS National Wetlands Inventory (NWI)
The NWI mapper does not show any critical areas on-site. It does depict Panther Creek in its
roughly observed location.
• USDA/NRCS Web Soil Survey
The USDA/Natural Resources Conservation Service (NRCS) Web Soil Survey shows the
subject site being underlain by Alderwood gravelly sandy loam, 0 to 8 percent slopes and
Alderwood gravelly sandy loam 8 to 15 percent slopes.
• WDFW SalmonScape
The SalmonScape interactive map does not show any streams on-site but does depict Panther
Creek off-site. It further identifies Panther Creek as providing habitat for both Coho and
Coastal Cutthroat.
• Forest Practices Application Mapping Tool (FPAMT)
This resource does not show any critical areas on-site. Panther Creek is identified off-site as a
Type F stream.
• WDFW Priority Habitat and Species (PHS) Interactive Map
The PHS interactive map depicts Panther Creek in the same location as FPAMT and
SalmonScape. No critical areas are mapped within or immediately adjacent to the parcel.
• City of Renton COR Maps
COR Maps identifies Panther Creek approximately 155 feet north of the site and 106 feet east
of the site (perpendicular to the culvert entrance) across 108th Avenue Southeast. No other
features are identified on or near the site.
Critical Areas & Stream Study Wetland Resources, Inc. #23241
Windsor Court 3 February 4, 2025
2.2 WETLAND & STREAM DETERMINATION METHODOLOGY
The OHWM of streams in the investigation area were identified using the methodologies described
in the Washington State Department of Ecology (DOE), Determining the Ordinary High Water Mark for
Shoreline Management Act Compliance in Washington State (Anderson et al. 2016). The Washington State
Shoreline Management Act (SMA) defines ordinary high water mark as,
“…that mark that will be found by examining the bed and banks and ascertaining where the presence and
action of waters are so common and usual, and so long continued in all ordinary years, as to mark upon the
soil a character distinct from that of the abutting upland, in respect to vegetation as that condition exists on
June 1, 1971, as it may naturally change thereafter, or as it may change thereafter in accordance with
permits issued by a local government or the department: PROVIDED, that in any area where the ordinary
high water mark cannot be found, the ordinary high water mark adjoining salt water shall be the line of
mean higher high tide and the ordinary high water mark adjoining fresh water shall be the line of mean high
water.”
Wetland conditions determined using the routine approach described in the Corps of Engineers
Wetlands Delineation Manual (Environmental Laboratory 1987) and the Regional Supplement to
the Corps of Engineers Wetland Delineation Manual: Western Mountains, Valleys, and Coast
Region (Version 2.0) (U.S. Army Corps of Engineers 2010). Under the routine methodology, the
process for making a wetland determination is based on three steps:
1) Examination of the site for hydrophytic vegetation (species present and percent cover);
2) Examination of the site for hydric soils;
3) Determining the presence of wetland hydrology
The following criteria must be met in order to make a positive wetland determination:
2.2.1 Hydrophytic Vegetation Criteria
The Corps Manual and 2010 Regional Supplement define hydrophytic vegetation as “the
assemblage of macrophytes that occurs in areas where inundation or soil saturation is either
permanent or of sufficient frequency and duration to influence plant occurrence.” Field indicators
are used to determine whether the hydrophytic vegetation criteria have been met. Examples of
these indicators include, but are not limited to, the rapid test for hydrophytic vegetation, a
dominance test result of greater than 50%, and/or a prevalence index score less than or equal to
3.0.
2.2.2 Soils Criteria and Mapped Description
The 2010 Regional Supplement (per the National Technical Committee for Hydric Soils) defines
hydric soils as soils “that formed under conditions of saturation, flooding, or ponding long enough
during the growing season to develop anaerobic conditions in the upper part.” Field indicators are
used to determine whether a given soil meets the definition for hydric soils. Indicators are
numerous and include, but are not limited to, presence of a histosol or histic epipedon, a sandy
gleyed matrix, depleted matrix, and redoximorphic depressions.
Critical Areas & Stream Study Wetland Resources, Inc. #23241
Windsor Court 4 February 4, 2025
According to the NRCS Web Soil Survey, Alderwood gravelly sandy loam (0-0, 8-30 percent
slopes).
2.2.3 Hydrology Criteria
The 2010 Regional Supplement defines wetland hydrology as “areas that are inundated (flooded
or ponded) or the water table is less than or equal to 12 inches below the soil surface for 14 or more
consecutive days during the growing season at a minimum frequency of 5 years in 10.” During the
early growing season, wetland hydrology determinations are made based on physical observation
of surface water, a high water table, or saturation in the upper 12 inches. Outside of the early
growing season, wetland hydrology determinations are made based on physical evidence of recent
inundation or saturation (i.e. water marks, surface soil cracks, water-stained leaves).
2.3 WETLAND & STREAM BOUNDARY DETERMINATION FINDINGS
2.3.1 Non-wetland Areas
No wetlands were identified within the boundary of the site or in the immediate vicinity. In non-
wetland areas, vegetation includes sporadic: Douglas fir (Pseudotsuga menziesii; FACU), bigleaf
maple (Acer macrophyllum; FACU), western red cedar (Thuja plicata, FAC), Himalayan blackberry
(Rubus armeniacus; FAC), tall fescue (Lolium arundinacea, FACU), bentgrass (Agrostis sp. (FAC – FACU),
and various domestic landscaping species. Typical soils in areas mapped as non-wetland were a
very dark brown (10YR 3/2) with a sandy loam texture in the upper layer. In the sublayer, soils
were generally dark yellowish brown (10YR 3/4) and a gravelly loam texture. Soils in areas
mapped as non-wetland were dry at the time of the March 2024 site investigation. This typical
soil profile does not meet any hydric soil indicators.
Given the lack of a hydrophytic vegetation community, wetland hydrology, and hydric soils, the
areas mapped as non-wetland do not meet the criteria for wetlands.
2.3.2 Panther Creek
Cowardin Classification: Riverine, Upper Perennial, Unconsolidated Bottom, Cobble-Gravel.
City of Renton Classification: Type F
City of Renton Buffer: 115-feet
Panther Creek, a Type F Stream, was observed approximately 155 feet north of the site and 106
feet east of the site, across 108th Avenue Southeast. Panther Creek is identified in existing available
resources as providing habitat for both Coho and Coastal Cutthroat. RMC 4-3-050 designates a
115-foot buffer and a 15-foot bsbl from the flagged ordinary high water mark (OHWM) of Type
F Streams. In situations where a stream enters a culvert, the buffer is measured perpendicular to
its OHWM from the end of the pipe along the open channel of the stream. Per RMC 4-3-050B.1.g
no buffer is projected onto the site from the portion of Panther Creek that is separated from the
site by 108th Ave SE, a pre-existing road which separates the property from the critical area and
substantially prevents the upland property’s ability to perform buffer functions. To the north of the
site the nearest portion of Panther Creek is greater than 115 feet. No buffer is projected onto the
subject site from Panther Creek.
Critical Areas & Stream Study Wetland Resources, Inc. #23241
Windsor Court 5 February 4, 2025
3.0 OTHER CRITICAL AREAS
In addition to streams, the City of Renton regulates geologically hazardous areas, landslide
hazards, erosion hazards, seismic hazards, coal mine hazards, wellhead protection areas, habitat
conservation areas, wetlands, and flood hazard areas. Assessment of geologically hazardous areas,
landslide hazards, erosion hazards, seismic hazards, coal mine hazards, and wellhead protection
areas are outside the scope of this report. No other critical areas were identified on or near the
subject property, as described below.
3.1 HABITAT CONSERVATION AREAS/HABITAT ASSESSMENT
Per RMC 4-3-050G.6, Habitat Conservation Areas are defined as habitats that have a primary
association with the documented presence of non-salmonid or salmonid species proposed or listed
by the Federal government or State of Washington as endangered, threatened, sensitive and/or of
local importance. The Washington Department of Fish and Wildlife (WDFW) Priority Habitats
and Species online mapping tool does not indicate any species or habitats of concern on or near
the subject property. No documented presence of endangered, threatened, sensitive, and/or locally
important species are mapped by WDFW’s SalmonScape mapping tool. Therefore, based on
existing available mapping the near-site portion of Panther Creek do not support threatened,
endangered, sensitive, or locally important fish in its current condition. Given the existing
condition of the subject site and surrounding properties, no species or habitats of concern are
located on or near the site. Per RMC 4-3-050F.7, in cases where a proposal is not likely to
significantly impact the critical habitat and there is sufficient information to determine the effects
of a proposal, an applicant may request the requirement for a Habitat Assessment be waived. As
no species or habitats of concern are located on or near the subject property, the proposed project
will not impact critical habitat. Therefore, the applicant requests that the Habitat Assessment for
this project be waived.
3.2 FLOOD HAZARD AREAS
The subject property is mapped within Zone X, which is defined as an area of minimal flood
hazard and not within a regulated flood hazard area (FEMA FIRM panel 530088).
4.0 FUNCTIONS AND VALUES ASSESSMENT
Streams in Western Washington provide a variety of functions including transport of water,
sediment, and organic matter, floodwater storage and attenuation, habitat for fish and wildlife, and
can serve as habitat corridors for aquatic and terrestrial wildlife.
4.1 EXISTING CONDITIONS
Panther Creek flows through an open channel east of 108th, through an approximate 225-foot-
long culvert, and then through an open channel approximately 155 feet north of the site. It is
intermittently piped downstream to its confluence with Lake Washington. The reach of the stream
near the site is seasonally flowing. It is degraded with trash and debris, with portions that have
been excavated. Large woody debris and natural gravel are present in the channel, providing
Critical Areas & Stream Study Wetland Resources, Inc. #23241
Windsor Court 6 February 4, 2025
structure. The riparian area surrounding the on-site portion of the stream also contains extensive
trash and is sparsely vegetated with a mix of native and non-native invasive vegetation.
4.2 POST-CONSTRUCTION FUNCTIONS AND VALUES
The proposed development activity is physically isolated from Panther Creek either by 108th
Avenue South or existing single-family homes. No direct or indirect impacts are proposed to the
stream, or its associated buffer as proposed as part of this development activity. Overall, the
proposed development will have no impact on the functions and values of Panther Creek.
5.0 USE OF THIS REPORT
This Critical Areas and Stream Study is supplied to the DeDonato Group LLC as a means of
determining on-site critical area conditions, as required by the City of Renton during the
permitting process. This report is based largely on readily observable conditions and, to a lesser
extent, on readily ascertainable conditions. No attempt has been made to determine hidden or
concealed conditions.
The laws applicable to wetlands are subject to varying interpretations and may be changed at any
time by the courts or legislative bodies. This report is intended to provide information deemed
relevant in the applicant's attempt to comply with the laws now in effect.
The work for this report has conformed to the standard of care employed by wetland ecologists.
No other representation or warranty is made concerning the work or this report, and any implied
representation or warranty is disclaimed.
Wetland Resources, Inc.
Scott Brainard, PWS
Principal Ecologist
Anders Wennstig
Associate Ecologist
Critical Areas & Stream Study Wetland Resources, Inc. #23241
Windsor Court 7 February 4, 2025
6.0 REFERENCES
Anderson et al. 2016. Determining the Ordinary High Water Mark for Shoreline Management
Act Compliance in Washington State. WA Department of Ecology. Publication #16-06-
029.
Brinson, M.M. 1993. A Hydrogeomorphic Classification for Wetlands. Technical Report WRPDE-4. US
Army Engineers Waterways Experiment Station, Vicksburg, MS.
Cowardin, et al., 1979. Classification of Wetlands and Deepwater Habitats of the United States. U.S.
Department of the Interior. FWS/OBS-79/31. December 1979.
Lichvar, Tobert W. and J.T. Kartesz, 2014. National Wetland Plant List, Version 3.0. U.S. Army
Corps of Engineers Engineer Research and Development Center Cold Regions Research
and Engineering Laboratory, Hanover NH and BONAP, Chapel Hill, NC.
http://wetland_plants.usace.army.mil
Hruby, T. 2014. Washington State Wetland Rating System for Western Washington: 2014 Update.
Publication #14-06-029. Washington Department of Ecology. Olympia, WA.
King County. 2019. iMap Interactive Mapping Tool.
http://www.kingcounty.gov/operations/GIS/Maps/iMAP.aspx.
Munsell Color. 2012. Munsell Soil Color Book. Munsell Color, Grand Rapids, MI.
NRCS. 2018. Web Soil Survey. United States Department of Agriculture.
http://websoilsurvey.sc.egov.usda.gov/App/WebSoilSurvey.aspx.
Sheldon, D., T. Hruby, P. Johnson, K. Harper, A. McMillan, T. Granger, S. Stanley, and E.
Stockdale. March 2005. Wetlands in Washington State - Volume 1: A Synthesis of the Science.
Washington State Department of Ecology. Publication #05-06-006. Olympia, WA.
Renton, City of. Renton Municipal Code. 4-3-050 Critical Areas Regulations (current through
Ordinance 5921, passed February 11, 2019).
Renton, City of. City of Renton Maps of Your Community.
http://rp.rentonwa.gov/HTML5Public/Index.HTML?viewer=CORMaps
Critical Areas & Stream Study Wetland Resources, Inc. #23241
Windsor Court 14 February 4, 2025
US Army COE. 2010. Regional Supplement to the Corps of Engineers Wetland Delineation Manual: Western
Mountains, Valleys, and Coast Region (Version 2.0). Vicksburg, MS
USFWS. 2019. National Wetlands Inventory (NWI) Online Mapper.
http://www.fws.gov/wetlands/Data/Mapper.html.
WDFW. 2009. Fish Passage and Surface Water Diversion Screening Assessment and Prioritization
Manual. Washington Department of Fish and Wildlife. Olympia, Washington.
WDFW. 2019. Priority Habitat and Species (PHS) Interactive Map.
http://apps.wdfw.wa.gov/phsontheweb/.
WDFW. 2019. SalmonScape Online Mapping Application.
http://apps.wdfw.wa.gov/salmonscape/map.html.
WDFW. 2019. Washington State Fish Passage.
https://geodataservices.wdfw.wa.gov/hp/fishpassage/index.html.
APPENDIX A
U.S. CORPS OF ENGINEERS WETLAND DETERMINATION DATA FORMS
US Army Corps of Engineers Western Mountains, Valleys, and Coast – Version 2.0
WETLAND DETERMINATION DATA FORM – Western Mountains, Valleys, and Coast Region
Project/Site:
City/County:
Sampling Date:
Applicant/Owner:
State:
Sampling Point:
Investigator(s):
Section, Township, Range:
Landform (hillslope, terrace, etc.):
Local relief (concave, convex, none):
Slope (%):
Subregion (LRR):
Lat:
Long:
Datum:
Soil Map Unit Name:
NWI classification:
Are climatic / hydrologic conditions on the site typical for this time of year? Yes No (If no, explain in Remarks.)
Are Vegetation
, Soil
, or Hydrology
significantly disturbed? Are “Normal Circumstances” present? Yes No
Are Vegetation
, Soil
, or Hydrology
naturally problematic? (If needed, explain any answers in Remarks.)
SUMMARY OF FINDINGS – Attach site map showing sampling point locations, transects, important features, etc.
Hydrophytic Vegetation Present? Yes No
Hydric Soil Present? Yes No
Wetland Hydrology Present? Yes No
Is the Sampled Area
within a Wetland? Yes No
Remarks:
VEGETATION – Use scientific names of plants.
Absolute Dominant Indicator
Tree Stratum (Plot size:
% Cover Species? Status
1.
2.
3.
4.
= Total Cover
Sapling/Shrub Stratum (Plot size:
1.
2.
3.
4.
5.
= Total Cover
Herb Stratum (Plot size:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
= Total Cover
Woody Vine Stratum (Plot size:
1.
2.
= Total Cover
% Bare Ground in Herb Stratum
Dominance Test worksheet:
Number of Dominant Species
That Are OBL, FACW, or FAC:
(A)
Total Number of Dominant
Species Across All Strata:
(B)
Percent of Dominant Species
That Are OBL, FACW, or FAC:
(A/B)
Prevalence Index worksheet:
Total % Cover of: Multiply by:
OBL species
x 1 =
FACW species
x 2 =
FAC species
x 3 =
FACU species
x 4 =
UPL species
x 5 =
Column Totals:
(A)
(B)
Prevalence Index = B/A =
Hydrophytic Vegetation Indicators:
Rapid Test for Hydrophytic Vegetation
Dominance Test is >50%
Prevalence Index is ≤3.01
Morphological Adaptations1 (Provide supporting
data in Remarks or on a separate sheet)
Wetland Non-Vascular Plants1
Problematic Hydrophytic Vegetation1 (Explain)
1Indicators of hydric soil and wetland hydrology must
be present, unless disturbed or problematic.
Hydrophytic
Vegetation
Present? Yes No
Remarks:
Winsor Ct Renton/King 10/4/23
DeDonato Group LLC WA S1
SB 5, 22N, 5E
hillslope non >5
LRR A 47.42759 -122.19774
Alderwood gravelly sandy loam
4
4
4
4
4
4
Pinus monticola 20 Y FACU
20
Agrostis sp 80 Y FAC
Plantago laceolata 10 N FACU
Taraxicum officinale 10 N FACU
100
1
2
50
0
0
66 198
16 64
0
82 262
3.8
4
US Army Corps of Engineers Western Mountains, Valleys, and Coast – Version 2.0
WETLAND DETERMINATION DATA FORM – Western Mountains, Valleys, and Coast Region
Project/Site:
City/County:
Sampling Date:
Applicant/Owner:
State:
Sampling Point:
Investigator(s):
Section, Township, Range:
Landform (hillslope, terrace, etc.):
Local relief (concave, convex, none):
Slope (%):
Subregion (LRR):
Lat:
Long:
Datum:
Soil Map Unit Name:
NWI classification:
Are climatic / hydrologic conditions on the site typical for this time of year? Yes No (If no, explain in Remarks.)
Are Vegetation
, Soil
, or Hydrology
significantly disturbed? Are “Normal Circumstances” present? Yes No
Are Vegetation
, Soil
, or Hydrology
naturally problematic? (If needed, explain any answers in Remarks.)
SUMMARY OF FINDINGS – Attach site map showing sampling point locations, transects, important features, etc.
Hydrophytic Vegetation Present? Yes No
Hydric Soil Present? Yes No
Wetland Hydrology Present? Yes No
Is the Sampled Area
within a Wetland? Yes No
Remarks:
VEGETATION – Use scientific names of plants.
Absolute Dominant Indicator
Tree Stratum (Plot size:
% Cover Species? Status
1.
2.
3.
4.
= Total Cover
Sapling/Shrub Stratum (Plot size:
1.
2.
3.
4.
5.
= Total Cover
Herb Stratum (Plot size:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
= Total Cover
Woody Vine Stratum (Plot size:
1.
2.
= Total Cover
% Bare Ground in Herb Stratum
Dominance Test worksheet:
Number of Dominant Species
That Are OBL, FACW, or FAC:
(A)
Total Number of Dominant
Species Across All Strata:
(B)
Percent of Dominant Species
That Are OBL, FACW, or FAC:
(A/B)
Prevalence Index worksheet:
Total % Cover of: Multiply by:
OBL species
x 1 =
FACW species
x 2 =
FAC species
x 3 =
FACU species
x 4 =
UPL species
x 5 =
Column Totals:
(A)
(B)
Prevalence Index = B/A =
Hydrophytic Vegetation Indicators:
Rapid Test for Hydrophytic Vegetation
Dominance Test is >50%
Prevalence Index is ≤3.01
Morphological Adaptations1 (Provide supporting
data in Remarks or on a separate sheet)
Wetland Non-Vascular Plants1
Problematic Hydrophytic Vegetation1 (Explain)
1Indicators of hydric soil and wetland hydrology must
be present, unless disturbed or problematic.
Hydrophytic
Vegetation
Present? Yes No
Remarks:
Winsor Ct Renton/King 10/4/23
DeDonato Group LLC WA S2
SB 5, 22N, 5E
hillslope non >5
LRR A 47.42759 -122.19774
Alderwood gravelly sandy loam
4
4
4
4
4
4
Acer macrophyllum 40 Y FACU
40
Rubus armeniacus 60 Y FAC
60
Festuca rubra 70 Y FAC
Plantago laceolata 10 N FACU
Taraxicum officinale 10 N FACU
100
2
3
66
0
0
0
0
0
0 0
4
4
APPENDIX B
CRITICAL AREA AND STREAM STUDY MAP
DEDONATO GROUP - WINDSOR CT
CRITICAL AREA AND STREAM STUDY MAP
PORTION OF SECTION 5, TOWNSHIP 22N, RANGE 5E, W.M.
PANTHER CREEK
TYPE F
115' BUFFER
155' MINIMUM DISTANCE
Scale 1" = 50'
5025 75 1000
Delineation / Mitigation / Restoration / Habitat Creation / Permit Assistance
9505 19th Avenue S.E. Suite 106 Everett,Washington 98208
Phone: (425) 337-3174
Fax: (425) 337-3045
Email: mailbox@wetlandresources.com
Date: 2/4/25
DEDONATO GROUP - WINDSOR CT
DeDonato Group, LLC
Attn: Tom Dedonato
10257 NE 64th Street
Kirkland, WA 98033
CITY OF RENTON
CRITICAL AREA
AND STREAM STUDY MAP
Drawn by: ASW
WRI #: 23241
Sheet 1/1
108TH AVE SE
108TH AVE SE
ROAD B
ROAD A
EXISTING CULVERT
LEGEND
STREAM
PROPERTY BOUNDARY
CULVERT
DATA SITES1
S1
S2
1
(5715 SF)
(0.13 AC)
2
(3836 SF)
(0.09 AC)
3
(3620 SF)
(0.08 AC)
6
(3640 SF)
(0.08 AC)
7
(3000 SF)
(0.07 AC)
8
(3000 SF)
(0.07 AC)
9
(3375 SF)
(0.08 AC)
10
(3002 SF)
(0.07 AC)
1 1
(2998 SF)
(0.07 AC)
12
(2998 SF)
(0.07 AC)
13
(2998 SF)
(0.07 AC)
14
(2998 SF)
(0.07 AC)
15
(2998 SF)
(0.07 AC)
16
(2998 SF)
(0.07 AC)
17
(2998 SF)
(0.07 AC)
18
(2998 SF)
(0.07 AC)
19
(3385 SF)
(0.08 AC)
4
(3637 SF)
(0.08 AC)
5
(3868 SF)
(0.09 AC)
20
(4248 SF)
(0.10 AC)
TRACT B
(3935 SF)
(0.09 AC)
TRACT A
(11071 SF)
(0.25 AC)
108TH AVE SE
(INTERRUPTS BUFFER)