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Wisconsin Department of Commerce SOIL EVALU, 4 EP( RT Page of--�
Division of Safety and Bulldings -
In accordance with Comm 4 Wis. Adm.'t'ddat/ ty r,,
Attach complete site plan on paper not less than 8112 x 11 inchWs In size.Plarr�NU_, 4�road,include,but not ft ted to:vertical and horizontal reference point(BM),d1 1 Lpercent slope,scale or dimensions,north arrow,and location drid_distance tarest
Please print off Information.{ `` ( 2 ? 2Q® R �4b, Date
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ew Construction UselMILResidentiat/Number of bedrooms Code derived design flow rate GPD
❑Replacement ❑ Publlice/p room m -Describe: —
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`Effluent 01 =BCC >30 1220 mg1L and TSS>30=1 So `Effluent#2=BOD
130 mg/L and TSS 130 mg/l
CST Name Please Print) to iT Number "
Address Date Evaluation Conduotec Telephone Number
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Property Owner Parcel ID# Page --of
Boring# ] Boring
a Pit Ground surface elev. �� ft. Depth to IimitIng factor_j 2 V In, Soli Application Rate
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Soil lication Rate
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In. Munsell Qu,Sz. Cont,Color Gr.Sz.Sh. `Ef#1 'Eff#2
F-1 Boring# ❑ Boring
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Shc ication Rate
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In. Munsell Qu.Sz. Cont.Color Gr.Sz.Sh. *Ef'f#1 'Eft
Effluent#1 =BODS>30 1220 mglL and TSS>30:<150 mglL `Effluent#2=BODr<_30 mgA.and TSS 5 30 m 1.
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860.8330(R.6100)
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Soil Test Plot Plan
Project Name Ronald Wohlers Shaun
Address 1282 200th Ave
N ew Richmond WI 54017 #226900
Lot 24 Subdivision Wohlers Estates Date 8/16/00
SW/SE 1/4 SE 1/4S 23 T 31 N/R 18 W Township Star Prairie
❑ Boring 0 Well PL Property Line County ST. CROIX
BM or VRP Assume Elevation 100 ft. Top of Steel Fence Post
System Elevation 92.1 *HRPSame as Benchmark
Alt. BM Top of Steel Fence Post @ 100.0' 293'
155' B.M. 80' Alt Property
dd Line
3% 15'
SlopeB-1 80' B-2
30'
96'
40' B-3
97'
98'
a�
a�
0
Pro Town Road
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ST. CROIX COUNTY
WISCONSIN
..d' '. u.-IN, ZONING DEPARTMENT
N N M N■N■ M,.e ST.CROIX COUNTY GOVERNMENT CENTER
1101 Carmichael Road
Hudson,WI 54016-7710
w —•-- "..._` — Phone: (715)386-4680 Fax(715)386-4686
Memo to File s
Fran: Pam Quinn P/-e-
Dawn 4/27/2004
Re; Sandy loam structure misinterpretation on subdivision soil ports
Recent soil on-site determinations have brought a problem to our attention. During these on-
sites,bofings were excavated to confirm soil conditions where two conflicting soil reports had
been submitted for zog department review. The soil profiles,evaluated by myself,Dave
Fogerty,and Dave Steel(all certified soil testers)differed from the original soil reports in that
massive(structureless)sandy loams were encountered in horizons that were described as having
either moderate, medium subangular blocky(2msbk)structure by Adam SchumakerGOVeak,:
There apparently has been a
misunderstanding between"structure"caused by handling samples of the soil during texturing
versus the soil characteristics in situ. The soil, when chunks were taken out of the profile to hand
texture,with pressure parted into "crumbs"that appeared at first to be subangular or granular in
shape. However,these were not true peds that broke apart along planes of weakness,but
fragments created by handling. The soil when observed in the horizon did not have distinct units
of structure and should have been reported as"massive".
Added notation: on 4/23/04 Mark Iverson(Cedar Corp. certified professional soil scientist),
Shaun Bird, and myself did an evaluation of soils on Lots 6 &9,Richmond Meadows where the
original soil report described the third horizon as sandy loam, "I mgr". On Lot 6 we checked
soil profiles within a POWTS distribution cell and then excavated a test pit on Lot 9. The sandy
loams in question were a weak, coarse to very coarse subangular blocky structure,where planes
of weakness were just discernible when peds were parted from the profile. The peds separated
with yM li t pressure by soil tester. Sand coatings were observed on the ped faces in the Lot 9
soils,which supported the determination that some structure existed to allow water to move
through the upper portion of the sandy loam horizon. However,below the weak-structured soil
we found massive(structureless) sandy loams and the boundary between these horizons was
irregular,which would mean a distribution cell could encounter alternating weak and massive
sandy loam. Shaun said he would amend his soil reports with a memo recommending that any
l 4A
s ,}. ,.1 .or,-`2. be assi -a lawer, � _�3t, -
see attached memo Vfh t tl Meadows)to provide a larger dispersal area.
(
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Page Two—Soil Memo 4/27/04
Massive sandy foams have been assigned a soil application rate of-0.2 gpd/fe with the code
Ranges in Comm J tine as of 2/1/04. The application rates listed go the.soil reports
were higher due tot structure having boon described A-'ether weak or moderate;Kieft affects
the calculations for sizing of POWTS distribution cells. Obviously, one of the concerns is to
make sure loading rates for the soils are not in error and allow undersized POWTS to be
installed. For example, in December 2003, Lot 35 of Richmond Meadows subdivision had to
have its loading rate reduced to 0.3 gpd/sq. ft. when the installer encountered massive sandy
loam at the system elevation. The sandy loam horizon had been desc ri bed o n
the soil report as
"1 mgr"with firm consistence.
Leroy Jansky,Dept. of Commerce Regional Wastewater Specialist, has been consulted on this
situation and advised the zoning department to require on-site verifications for any lots with this
potential misinterpretation on the soil reports. All soil reports with sandy loam"1 or 2 mgr"as
its structure will be required to use a design based on the current code's soil application rate for
massive sandy loam @ 0.2 gpd/sq. ft. unless additional soil testing proves otherwise.