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6.a Septic report 129XX Mayberry Trail N 10-22-2020  Ten Thirty Environmental Solutions         Ten Thirty Environmental Solutions, SBC  1684 132nd Ave NE  Blaine, MN 55448  Regarding Site Suitability For Septic For Property Located At:​ 129XX Mayberry Trail N (PID 21.032.20.42.0004)   October 22, 2020  Please find the enclosed soil boring logs and site maps for the property located at 129XX Mayberry Trail North in  Scandia Minnesota (PID 21.032.20.42.0004) . The desire is for the property to be broken up into two distinct lots, with  the proposed property line running approximately as indicated on the enclosed map. As indicated on the attached soil  boring logs and site maps the newly created lot has at least 10,000 square feet of soil that will support a type I system  as described in Washington County Ordinance #206. This assessment of the site was completed on October 22, 2020,  with the site work completed on October 21, 2020 to be in compliance with local and state requirements.   This suitability recommendation is contingent on protection of the site from traffic; any damage to the area outlined in  the enclosed pages will nullify this suitability recommendation. Please protect the staked out area from traffic. Foot  traffic is not a problem, but vehicle traffic could cause the location to be unusable. During construction please fence  of or otherwise prohibit access to the area indicated on the enclosed site maps.   If there are any questions or concerns with the design please do not hesitate to call or email.   Sincerely,   Alex Pepin  612-248-4281  alex.pepin@tenthirtyenvironmental.com       Project ID: Client: Soil parent material(s): (Check all that apply) Landscape Position: (select one)Slope %:8.0 Slope shape:- Vegetation:- Date Shape Grade 10YR 3/3 10YR 5/4 10YR 3/2 None 10YR 5/4 10YR 6/2 Depletions S1 10YR 4/6 Concentrations I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws. 4082 (License #) 10/21/2020 Comments: Ag land. Root channels after topsoil. Redox at 15". (Designer/Inspector)(Signature)(Date) Alex Pepin Loose 15-20 Clay Loam <5%Blocky Moderate Firm 6-15 Clay Loam <5%Blocky Moderate Firm 0-6 Loamy fine sand <5%Single grain Structureless Observation #/Location:Observation Type:Shovel to 12", 4" Auger after that Depth (in)Texture Rock Frag. %Matrix Color(s)Mottle Color(s)Redox Kind(s)Indicator(s) I-------- Structure-----------I Consistence B1 See Site Map Weather Conditions/Time of Day:10/21/20Cloudy2:00 PM 153C Back/Side Slope Linear, Linear Elevation-relative to benchmark: Limiting Layer Elevation: Soil Observation Log v 04.01.2020 Matt Olson Location / Address:129XX Mayberry Trail North Ag. Land Soil survey map units: Outwash Lacustrine Loess Till Alluvium Bedrock Organic Matter Project ID: Client: Soil parent material(s): (Check all that apply) Landscape Position: (select one)Slope %:8.0 Slope shape:- Vegetation:- Date Shape Grade 10YR 6/1 7.5YR 4/6 Concentrations S2 10YR 5/4 10YR 3/2 None 10YR 5/4 10YR 6/2 Depletions S1 10YR 4/6 Concentrations I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws. 4082 (License #) Comments: Ag land. Platy soil so issues with drainage that caused redox here. Moving upslope to try and find better soil. Alex Pepin 10/21/2020 (Designer/Inspector)(Signature)(Date) 13-15 Clay Loam <5%Blocky Moderate Firm 8-13 Clay Loam <5%Blocky Moderate Firm Indicator(s) I-------- Structure-----------I Consistence 0-8 Silt Loam <5%Platy Moderate Friable Depth (in)Texture Rock Frag. %Matrix Color(s)Mottle Color(s)Redox Kind(s) Weather Conditions/Time of Day:Cloudy 2:00 PM 10/21/20 Observation #/Location:B2 See Site Map Observation Type:Shovel to 12", 4" Auger after that Back/Side Slope Linear, Linear Elevation-relative to benchmark: Ag. Land Soil survey map units:153C Limiting Layer Elevation: Soil Observation Log v 04.01.2020 Matt Olson Location / Address:129XX Mayberry Trail North Outwash Lacustrine Loess Till Alluvium Bedrock Organic Matter Project ID: Client: Soil parent material(s): (Check all that apply) Landscape Position: (select one)Slope %:8.0 Slope shape:- Vegetation:- Date Shape Grade 10YR 3/3 10YR 5/4 10YR 6/2 Depletions S1 10YR 4/6 Concentrations 10YR 5/4 I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws. 4082 (License #) Comments: Ag land. Platy soil at 10" that looks to be hanging up the water, ok afer that though for a few inches until redox at 15". Looking elsewhere. Alex Pepin 10/21/2020 (Designer/Inspector)(Signature)(Date) 13-15 Clay Loam <5%Blocky Moderate Firm 10-13 Clay Loam <5%Platy Moderate Firm Indicator(s) I-------- Structure-----------I Consistence 0-10 Silt Loam <5%Single grain Structureless Loose Depth (in)Texture Rock Frag. %Matrix Color(s)Mottle Color(s)Redox Kind(s) Weather Conditions/Time of Day:Cloudy 2:00 PM 10/21/20 Observation #/Location:B3 See Site Map Observation Type:Shovel to 12", 4" Auger after that Back/Side Slope Linear, Linear Elevation-relative to benchmark: Ag. Land Soil survey map units:153C Limiting Layer Elevation: Soil Observation Log v 04.01.2020 Matt Olson Location / Address:129XX Mayberry Trail North Outwash Lacustrine Loess Till Alluvium Bedrock Organic Matter Project ID: Client: Soil parent material(s): (Check all that apply) Landscape Position: (select one)Slope %:8.0 Slope shape:- Vegetation:- Date Shape Grade 10YR 3/3 7.5YR 4/4 I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws. 4082 (License #) Comments: Ag land, right on the edge by the woods. We hit Kingsley here. Ok to 13" no redox and then hit a bunch of big rocks. This on is ok. Looks like we need to keep on higher ground and off the Ag land below this elevation. Alex Pepin 10/21/2020 (Designer/Inspector)(Signature)(Date) 8-13 Sandy Loam <5%Blocky Moderate Firm Indicator(s) I-------- Structure-----------I Consistence 0-8 Sandy Loam <5%Single grain Structureless Loose Depth (in)Texture Rock Frag. %Matrix Color(s)Mottle Color(s)Redox Kind(s) Weather Conditions/Time of Day:Cloudy 2:00 PM 10/21/20 Observation #/Location:B4 See Site Map Observation Type:Shovel to 12", 4" Auger after that Back/Side Slope Linear, Linear Elevation-relative to benchmark: Ag. Land Soil survey map units:342C Limiting Layer Elevation: Soil Observation Log v 04.01.2020 Matt Olson Location / Address:129XX Mayberry Trail North Outwash Lacustrine Loess Till Alluvium Bedrock Organic Matter Project ID: Client: Soil parent material(s): (Check all that apply) Landscape Position: (select one)Slope %:8.0 Slope shape:- Vegetation:- Date Shape Grade 10YR 3/2 10YR 4/4 10YR 3/2 None 10YR 4/4 10YR 6/2 Depletions S1 10YR 4/6 Concentrations I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws. 4082 (License #) Comments: In woods. Root channels after topsoil. Redox at 13". This and B1 and B4 will bracket this 5000 square ft area. On to other side of proposed house for alternative site. Alex Pepin 10/21/2020 (Designer/Inspector)(Signature)(Date) 13-15 Loam <5%Blocky Moderate Firm 7-13 Loam <5%Blocky Moderate Firm Indicator(s) I-------- Structure-----------I Consistence 0-7 Loam <5%Single grain Structureless Loose Depth (in)Texture Rock Frag. %Matrix Color(s)Mottle Color(s)Redox Kind(s) Weather Conditions/Time of Day:Cloudy 2:00 PM 10/21/20 Observation #/Location:B5 See Site Map Observation Type:Shovel to 12", 4" Auger after that Back/Side Slope Linear, Linear Elevation-relative to benchmark: Ag. Land Soil survey map units:153C Limiting Layer Elevation: Soil Observation Log v 04.01.2020 Matt Olson Location / Address:129XX Mayberry Trail North Outwash Lacustrine Loess Till Alluvium Bedrock Organic Matter Project ID: Client: Soil parent material(s): (Check all that apply) Landscape Position: (select one)Slope %:8.0 Slope shape:- Vegetation:- Date Shape Grade 10YR 3/2 10YR 4/4 10YR 3/2 None I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws. 4082 (License #) Comments: In woods. Root channels after topsoil. No redox observed. End of boring at 15". Alex Pepin 10/21/2020 (Designer/Inspector)(Signature)(Date) 6-15 Loam <5%Blocky Moderate Firm Indicator(s) I-------- Structure-----------I Consistence 0-6 Loam <5%Single grain Structureless Loose Depth (in)Texture Rock Frag. %Matrix Color(s)Mottle Color(s)Redox Kind(s) Weather Conditions/Time of Day:Cloudy 2:00 PM 10/21/20 Observation #/Location:B6 See Site Map Observation Type:Shovel to 12", 4" Auger after that Back/Side Slope Linear, Linear Elevation-relative to benchmark: Ag. Land Soil survey map units:153C Limiting Layer Elevation: Soil Observation Log v 04.01.2020 Matt Olson Location / Address:129XX Mayberry Trail North Outwash Lacustrine Loess Till Alluvium Bedrock Organic Matter Project ID: Client: Soil parent material(s): (Check all that apply) Landscape Position: (select one)Slope %:8.0 Slope shape:- Vegetation:- Date Shape Grade 10YR 3/3 10YR 5/4 10YR 6/2 Depletions S1 10YR 4/6 Concentrations 10YR 5/4 I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws. 4082 (License #) Comments: Ag land. Platy soil after topsoil that was hanging up water. Redox at 12". Have 12" here though at higher elevation so OK. Will go towards the road and bracket an area to the south and east of house for septic area. Alex Pepin 10/21/2020 (Designer/Inspector)(Signature)(Date) 15-20 Clay Loam <5%Blocky Moderate Firm 12-15 Clay Loam <5%Platy Moderate Firm Indicator(s) I-------- Structure-----------I Consistence 0-12 Loam <5%Single grain Structureless Loose Depth (in)Texture Rock Frag. %Matrix Color(s)Mottle Color(s)Redox Kind(s) Weather Conditions/Time of Day:Cloudy 2:00 PM 10/21/20 Observation #/Location:B7 See Site Map Observation Type:Shovel to 12", 4" Auger after that Back/Side Slope Linear, Linear Elevation-relative to benchmark: Ag. Land Soil survey map units:153C Limiting Layer Elevation: Soil Observation Log v 04.01.2020 Matt Olson Location / Address:129XX Mayberry Trail North Outwash Lacustrine Loess Till Alluvium Bedrock Organic Matter Project ID: Client: Soil parent material(s): (Check all that apply) Landscape Position: (select one)Slope %:8.0 Slope shape:- Vegetation:- Date Shape Grade 10YR 3/2 10YR 4/4 10YR 3/2 None 10YR 4/4 10YR 6/2 Depletions S1 10YR 4/6 Concentrations I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws. 4082 (License #) Comments: In woods. Root channels after topsoil. Redox at 13". Alex Pepin 10/21/2020 (Designer/Inspector)(Signature)(Date) 13-15 Loam <5% 6-13 Loam <5%Blocky Moderate Firm Indicator(s) I-------- Structure-----------I Consistence 0-6 Loam <5%Single grain Structureless Loose Depth (in)Texture Rock Frag. %Matrix Color(s)Mottle Color(s)Redox Kind(s) Weather Conditions/Time of Day:Cloudy 2:00 PM 10/21/20 Observation #/Location:B8 See Site Map Observation Type:Shovel to 12", 4" Auger after that Back/Side Slope Linear, Linear Elevation-relative to benchmark: Ag. Land Soil survey map units:153C Limiting Layer Elevation: Soil Observation Log v 04.01.2020 Matt Olson Location / Address:129XX Mayberry Trail North Outwash Lacustrine Loess Till Alluvium Bedrock Organic Matter Soil Map—Washington County, Minnesota Natural Resources Conservation Service Web Soil Survey National Cooperative Soil Survey 10/22/2020 Page 1 of 350099805010040501010050101605010220501028050103405009980501004050101005010160501022050102805010340511950512010512070512130512190512250512310512370512430512490 511950 512010 512070 512130 512190 512250 512310 512370 512430 512490 45° 14' 47'' N 92° 50' 52'' W45° 14' 47'' N92° 50' 25'' W45° 14' 35'' N 92° 50' 52'' W45° 14' 35'' N 92° 50' 25'' WN Map projection: Web Mercator Corner coordinates: WGS84 Edge tics: UTM Zone 15N WGS84 0 100 200 400 600 Feet 0 40 80 160 240 Meters Map Scale: 1:2,710 if printed on A landscape (11" x 8.5") sheet. Soil Map may not be valid at this scale. MAP LEGEND MAP INFORMATION Area of Interest (AOI) Area of Interest (AOI) Soils Soil Map Unit Polygons Soil Map Unit Lines Soil Map Unit Points Special Point Features Blowout Borrow Pit Clay Spot Closed Depression Gravel Pit Gravelly Spot Landfill Lava Flow Marsh or swamp Mine or Quarry Miscellaneous Water Perennial Water Rock Outcrop Saline Spot Sandy Spot Severely Eroded Spot Sinkhole Slide or Slip Sodic Spot Spoil Area Stony Spot Very Stony Spot Wet Spot Other Special Line Features Water Features Streams and Canals Transportation Rails Interstate Highways US Routes Major Roads Local Roads Background Aerial Photography The soil surveys that comprise your AOI were mapped at 1:15,800. Warning: Soil Map may not be valid at this scale. Enlargement of maps beyond the scale of mapping can cause misunderstanding of the detail of mapping and accuracy of soil line placement. The maps do not show the small areas of contrasting soils that could have been shown at a more detailed scale. Please rely on the bar scale on each map sheet for map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: Coordinate System: Web Mercator (EPSG:3857) Maps from the Web Soil Survey are based on the Web Mercator projection, which preserves direction and shape but distorts distance and area. A projection that preserves area, such as the Albers equal-area conic projection, should be used if more accurate calculations of distance or area are required. This product is generated from the USDA-NRCS certified data as of the version date(s) listed below. Soil Survey Area: Washington County, Minnesota Survey Area Data: Version 16, Jun 5, 2020 Soil map units are labeled (as space allows) for map scales 1:50,000 or larger. Date(s) aerial images were photographed: Apr 3, 2015—Sep 13, 2016 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. Soil Map—Washington County, Minnesota Natural Resources Conservation Service Web Soil Survey National Cooperative Soil Survey 10/22/2020 Page 2 of 3 Map Unit Legend Map Unit Symbol Map Unit Name Acres in AOI Percent of AOI 153B Santiago silt loam, 2 to 6 percent slopes 7.4 32.4% 153C Santiago silt loam, 6 to 15 percent slopes 1.4 6.2% 264 Freeon silt loam, 2 to 6 percent slopes 1.8 7.7% 342C Kingsley sandy loam, 6 to 12 percent slopes 1.9 8.4% 367B Crystal Lake silt loam, 1 to 6 percent slopes 3.8 16.7% 449 Crystal Lake silt loam, 0 to 3 percent slopes 2.5 11.0% 452 Comstock silt loam, 0 to 3 percent slopes 3.5 15.4% 456 Barronett silt loam 0.5 2.2% Totals for Area of Interest 23.0 100.0% Soil Map—Washington County, Minnesota Natural Resources Conservation Service Web Soil Survey National Cooperative Soil Survey 10/22/2020 Page 3 of 3