Public Works Committee Packet 5-20-13
Page 1 of 1
CITY OF MUSKEGO
PUBLIC WORKS COMMITTEE AGENDA
DATE: May 20, 2013
TIME: 6:00 P.M.
LOCATION: Aldermen’s Room – Upper Level of City Hall
W182 S8200 Racine Avenue
Muskego, WI 53150
CALL TO ORDER
PLEDGE OF ALLEGIANCE
ROLL CALL
STATEMENT OF PUBLIC NOTICE
APPROVAL OF MINUTES OF MEETING HELD April 15, 2013
STATUS OF PROJECTS
Discussion update. No formal action may be taken on any of the following:
1. Janesville Road Reconstruction
2. Racine Avenue Recreational Trail
3. 2013 Road Program
4. Flood proofing of Structure on Saroyon Road
5. Miscellaneous Drainage Improvement Projects
UNFINISHED BUSINESS
Discussion update and possible action may be taken on any or all of the following:
NEW BUSINESS
Discussion update and possible action may be taken on any or all the following:
1. Discuss Island Drive Landscape Island Modifications.
2. Discuss drainage issue near the intersection of Gold Drive and Diamond Drive.
3. Discuss drainage issue on Field Drive near Annes Way.
4. Discuss drainage issue near Horn Park Drive at Pioneer Drive.
5. Review and approve sanitary sewer plan for the Davis CSM (Woods Road).
6. Update regarding Molybdenum.
NEW BUSINESS PLACED ON FILE
(The following items have been placed on file for staff review. Upon completion of review, staff will submit a supplement
detailing options and possible course of action to committee members.)
1. Revise Sewer and Water Deferred Assessment Policy
COMMUNICATIONS AND MISCELLANEOUS BUSINESS AS AUTHORIZED BY LAW
ADJOURNMENT
PLEASE NOTE: It is possible that members of and possibly a quorum of members of other governmental bodies of the municipality may be
in attendance at the above-stated meeting to gather information; no action will be taken by any governmental body at the above-stated
meeting other than the governmental body specifically referred to above in this notice.
Also, upon reasonable notice, efforts will be made to accommodate the needs of disabled individuals through appropriate aids and services.
For additional information or to request this service, contact Muskego City Hall, (262) 679-4100.
CITY OF MUSKEGO Unapproved
PUBLIC WORKS COMMITTEE
MINUTES OF MEETING HELD MONDAY, APRIL 15, 2013
Ald. Neil Borgman called the meeting to order at 6:00 PM. Also present were Ald. Robert
Wolfe and Public Works Director David Simpson. Ald. Eileen Madden absent.
Ald. Borgman led those present in the Pledge of Allegiance.
The meeting was noticed in accordance with the Open Meeting Laws on April 12, 2013.
APPROVAL OF MINUTES OF MARCH 18, 2013
Ald. Wolfe moved to approve the minutes of March 18, 2013. Seconded by Ald. Borgman.
Motion carried 2-0.
STAFF REPORTS
None
STATUS OF PROJECTS
Director Simpson gave updates on the following projects:
Janesville Road Reconstruction – Utility relocates are going okay. Rain slowed them down.
Racine Avenue Recreational Trail – Still waiting for permit from DNR.
2013 Road Program – Will be out for bid soon.
Flood Proofing of Structure on Saroyan Road – Still working with DNR on some issues.
UNFINISHED BUSINESS
Discuss Moose Lodge’s Request for Reduced Interest Payment Related to a Deferred
Sanitary Sewer Assessment – Director Simpson advised discussion at the last meeting we
wanted to discuss the policy in general before we make a motion on it. Ald. Wolfe made a
motion to defer while the Committee looks into the policy. Ald. Borgman seconded. Motion
carried 2-0.
NEW BUSINESS
Discuss Drainage issue at W174 S6802 East Drive – Director Simpson stated the
homeowner has expressed great concern related to storm water runoff coming from
City owned conservation land onto their property. There is a storm inlet and berm
system that was designed and installed to collect runoff from the conservation land.
This inlet has become clogged during past rain events and the water then spills over
the berm and down the property line. The resident would like the City to solve this
issue so that the water does not spill onto her property. There are two options to
resolve this issue. One would be to install an end section out of the existing field
inlet to prevent the existing inlet from becoming clogged with leaves. The second
would be to install the end section and also construct an overland relief path (swale)
down the City’s property to East Drive. If this option were chosen, many mature
trees would need to be removed from the City’s conservation land. If this option is
2
chosen, we should refer this issue for discussion at the Conservation Commission
as this is deemed conservation land. Ald. Borgman made a motion to install an end
section and a recommendation to the Conservation Commission that we would want
to construct this swale and remove some of their trees. Seconded by Ald. Wolfe.
Motion carried 2-0.
Discuss Drainage from Tess Corners School to Cornell Drive. (Ald. Harenda) – Ald.
Harenda stated that in 2011 flooding was transpiring around the City and this was
one of the areas. Work transpired and water now flows south. What we still have is
the issue of storm water runoff coming from Tess Corners Elementary School. We
still have issues from storm runoff from Tess Corners that travels over land. Ald.
Harenda said he wanted to make the Committee aware of this and come up with
some options. Per Director Simpson during heavy rain in 2010 the City experienced
multiple locations where flooding caused damage to homes. One of those problem
areas were homes near Cornell and Catalina intersection. The City installed a relief
sewer that would reduce the likelihood of future flooding of the intersection. The
project was installed by fall of 2011. A resident along the north side of Cornell Drive
had also requested that the City look into the possibility of installing a storm sewer
through yards from Cornell Drive north to the Tess Corners Elementary School
property to reduce the amount of overland drainage through the side yards. During
the initial design, the Public Works Committee voted to add this section of pipe to the
project for an estimated cost of $22,500. Design progressed and more detailed cost
estimates were produced by GRAEF. The project was severely over budget and the
decision was made to reroute the main pipe and remove the section of pipe between
the homes to the north of Cornell Drive. After discussion with Committee, Ald.
Borgman stated to keep monitoring it, and check with school district.
Review New Berlin’s Request for an Additional Sanitary Connection in the Linnie Lac
Area – Per Director Simpson the City of Muskego and the City of New Berlin entered
into an agreement to provide a limited number of sanitary sewer services. In this
agreement, it specifically states that no additional connections are to be allowed
within the area referred to. The City of New Berlin is requesting the City of Muskego
consider one additional connection to a parcel. Should the City of Muskego approve
this request, the existing agreement must be amended and approved by the
Common Council. Staff feels that the addition of this connection in this area would
promote the overall environmental health of this area, and recommends working with
New Berlin toward an amendment to the current agreement. City of New Berlin has
offered to reimburse us for all legal fees. Ald. Wolfe made a motion to approve
“Agreement to Amend the Linnie Lac Sewer District between the City of Muskego
and the City of New Berlin” pending approval by the City Attorney. Seconded by
Ald. Borgman. Motion carried 2-0.
Review Vision Corner Encroachment Request for Monument Sign for a New
Commercial Building at the Northeast Corner of Moorland and Janesville – Per
Director Simpson the Muskego Retail Center is requesting that their proposed
monument sign be located within the City’s standard vision setback area. Given the
geometrics of this intersection, there is no need to enforce the vision corner setback
in this situation. Ald. Borgman made a motion to approve placement of the
3
monument sign in the vision setback area. Ald. Wolfe seconded. Motion carried 2-
0.
Discuss Revised Prioritization of Recreational Trail Construction and Potential
Authorization to Proceed with Waukesha County Engineering Assistance for CTH
OO Recreation Trail Design – Director Simpson stated the recreational trail
construction plan for 2014 included the segment of trail along CTH “00” (North Cape
Road) from Durham Drive to STH 36 (Loomis). He would like to utilize Waukesha
County for survey and design, and move ahead with a design agreement with the
County that would be taken to future Finance Committee and Common Council
Meetings for approval as the design dollars are not currently in the 2013 budget.
Ald. Wolfe made a motion to move forward with design agreement and final approvals for
expenditure. Ald. Borgman seconded. Motion carried 2-0.
NEW BUSINESS PLACED ON FILE
Revise Sewer and Water Deferred Assessment Policy
COMMUNICATIONS AND MISCELLANEOUS BUSINESS AS AUTHORIZED BY LAW
ADJOURNMENT
Ald. Borgman moved to adjourn the meeting 6:52 PM. Ald. Wolfe seconded. Motion carried
2-0.
Jeanne Struck
Recording Secretary
CITY OF MUSKEGO
Public Works Committee
To: Public Works Committee
From: David Simpson, P.E., Director of Public Works/City Engineer
Subject: Discuss Island Drive Landscape Island Modifications
Date: May 17, 2013
The west end of Island Drive currently contains a landscape island that also contains a
power pole and other utility boxes. Because of the limited right-of-way, the pavement
section is limited and large vehicles (garbage trucks, plows, delivery, etc.) have a difficult
time maneuvering around the landscape island. Staff began looking into the possibility of
removing the island, which would also require the removal of the power pole and other
utilities within the island. Normally, the repositioning of the power pole would be at no
cost to the City as the pole is within existing right-of-way, however, in this case, a power
easement was in place prior to the road right-of-way. The attached letter from WE
Energies shows the cost to relocate the facilities above ground to be $17,087.93 along
with a sketch of where the new lines would be. I also asked WE Energies to provide a
cost to bury the lines from the pole shown to the east and that would cost $31,258.70, but
would not include any of the costs associated with converting the homes to underground
services.
After evaluating the alternatives and speaking with residents that would be directly
affected by this project, I would recommend only a minor modification to the island.
Recommendation:
Shorten the west edge of the island and add a small section of curb to allow for a larger
turning radius.
CITY OF MUSKEGO
Public Works Committee
To: Public Works Committee
From: David Simpson, P.E., Director of Public Works/City Engineer
Subject: Discuss drainage issue near the intersection of Gold Drive and Diamond
Drive
Date: May 17, 2013
Two homeowners near the intersection of Gold Drive and Diamond Drive have
experienced flooding related to storm water runoff coming from a large drainage area to
the west of Gold Drive and have asked the City to look into potential solutions. The
existing area to the rear of their property drains at least 5 acres, however, a more
detailed analysis is needed to determine all of the drainage basin. City crews have
worked for many years to attempt to remedy the flooding in the existing drainage
ditches along the roadside ditches. In order to reduce the likelihood of repeat flooding,
many option exist and are described below and shown on the attachments.
A. Install 790 l.f. of storm sewer through easement and within School and Gold
Drives. Approximate cost would be $87,000 for the pipe installation plus $5,000-
10,000 for easement acquisition for a total cost of $92,000-97,000.
B. Install 715 l.f. of storm sewer in existing road right of way straight north on Gold
for a total approximate cost of $78,650.
C. Install 500 l.f. of storm sewer through an easement and City park land.
Approximate cost for the pipe installation would be $55,000 plus $5,000-10,000 for
easement acquisition for a total cost of $60,000-65,000.
D. Install a swale by clearing trees from approximately 1 acre of land and installing a
swale to divert the water south to an existing wetland. Approximate cost to clear
the trees and install the swale would be $30,000-50,000 plus easement acquisition
costs ranging anywhere from $25,000-50,000 for a total project cost of $55,000-
100,000.
All of these option have pros and cons and all should be discussed further by the
Committee.
Recommendation:
Discuss the various options and direct staff to examine an alternative in more depth.
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2177 2177-943
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2177 2177-970
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!
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!
Approx. 790 feet ofNew Storm Sewer
SCHOOL DR
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80
2
800
1 in = 80 ft
³
Legend
Storm Pipe
<all other values>
Storm Main Type
D Abandoned
Unknown
Double Underdrain
Underdrain
Cleanout
Culvert
Lead
Main
Stub
Sump
Private
Gold Drive Storm
Option "A"
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60.00'
150.51'
250.00'
60.
0
0
'
15.00'
60.00'
20
5
.
4
0
'
20
8
.
6
0
'
(
A
.
R
.
)
87
.
0
0
'
7
2
.
5
0
'
60.00'60.00'
32
.
5
0
'
32
.
5
0
'
60.00'60.0'60'
59'
13
9
.
2
'
(
A
.
R
.
)
24'
109.84'
89'
(
A
.
R
.
)
60.00'53
.
0
0
'
182.91'
167.24'
26
'
(
A
R
)
-002
2177 2177-943 -943-001
2177-940-004
2177-940
-004
-005
2177-996
2177-996 2174-989
2174-971
2177-996-012
-001-9732177
-9692177
-121
2174-121-001
2174-197-001
-0012177-942
217721772177
2177-996-001
2177
2177-991
2177-990 2177
2174-985
2174-986
2177-012
2174-983
2174-973
2174-984
-983-984
2177-939-004
-980
2174 2174
2177-955
-972-973
2177-965 2177
2177-956
2177-996-013
2174-1
0
9
-
0
0
1
2174-1
0
9
2174-1
1
0
2174-1
1
1
2174-1
1
1
-120
2177
-967217721772177
2174-194
2174-195
2174-197
2174-196
21772177
2177217721772177
-9642177
2177 2177-970
2177-971
2177-992
2177-993
2177-994
2177-942-001
-976
-963-962-961-960-959-958-981-982
-974-975
!
!!
!
!
!
!
!
!
Approx. 715 feet ofNew Storm Sewer
GO
L
D
D
R
SCHOOL DR
DI
A
M
O
N
D
D
R
PR
E
S
T
O
N
L
N
SILVER DR
8
0
8
81
0
81
2
8
3
0
828
832
826
834
814
81
6
838 836
840
8
1
8
842
820
822844
82
4
846
8
4
8
850
85
2
8
0
4
7
9
8
8
0
6
80
0
854
8
0
2
7
9
6
8
5
6
858
860
794
816
824 794
80
6802804
794
81
2
808
81
2
84
2
800
81
0
8
0
8
814
85
2
8
0
4
806
798
79
8
852
81
4
802
1 in = 115 ft
³
Legend
Storm Pipe
<all other values>
Storm Main Type
D Abandoned
Unknown
Double Underdrain
Underdrain
Cleanout
Culvert
Lead
Main
Stub
Sump
Private
Gold Drive Storm
Option "B"
Approx. 500 feet ofNew Storm Sewer
GO
L
D
D
R
DI
A
M
O
N
D
D
R
SCHOOL DR
SILVER DR
TOPAZ DR
ONYX DR
7
9
6
79
8
82
0
8
0
8
818
81
6
81
2
81
4
822
8
2
4
80
0
826
828
8
0
2
8
0
4
806
83
0
832
83
4
81
0
794
794
808
80
2
7
9
8
80
8
8
0
4
798
8
0
0
7
9
6
798
81
2
814
824
798
80
6
798
79
6
808
812
796
79
8
8
1
0
1 in = 100 ft
³
Legend
Storm Pipe
<all other values>
Storm Main Type
D Abandoned
Unknown
Double Underdrain
Underdrain
Cleanout
Culvert
Lead
Main
Stub
Sump
Private
Gold Drive Storm
Option "C"
Tree Clearing and Grading for Swale Installation
GO
L
D
D
R
DI
A
M
O
N
D
D
R
ONYX D
R
GEM DR
SILVER
D
R
808
810812
814 816
81
8
820
80
2
8
0
4
822
824
79
8
826
828
83
0
832
806
834
83
6
838
840
796
842
844
846
800
848
794
850
852
802
800
806
79
4
79
6
798
800
798
804
79
8
802 808
802
808
804
798
8
0
6
79
6
81
4
804
798
804
798
806
806
796 1 in = 100 ft
³
Legend
Storm Pipe
<all other values>
Storm Main Type
D Abandoned
Unknown
Double Underdrain
Underdrain
Cleanout
Culvert
Lead
Main
Stub
Sump
Private
Gold Drive Storm
Option "D"
K2406RIM 843.39832.00 8" N832.00 8" S
K2405RIM 846.88835.00 8" N
K2411RIM 850.87840.00 8" N
K2417RIM 856.74845.00 8" S
K2418RIM 863.51844.00 8" E844.00 8" N847.00 8" S
K2420RIM 860.99843.00 8" E843.00 8" W
K2415RIM 838.64820.00 8" N820.00 8" S
K2414RIM 836.62821.00 8" N821.00 8" SE
K2453RIM 843.00819.00 8" N819.00 8" S
K2416RIM 842.98818.00 8" E819.00 8" N832.00 8" W
K2421RIM 827.03813.00 8" E816.00 8" W
K2419RIM 865.53848.00 8" N
K2390RIM 814.77802.00 8" N802.00 8" S
K2907RIM 861.63848.00 8" E848.00 8" W
K2830RIM 856.88841.00 8" SE842.00 8" W
K2391RIM 808.09797.00 8" N792.00 8" S
K2424RIM 814.47803.00 8" N803.00 8" S
K2422RIM 819.06806.00 8" E806.00 8" W
K2360RIM 812.25797.00 8" E797.00 8" N
K2361RIM 812.45797.00 8" E797.00 8" W
K2359RIM 815.01804.00 8" NE804.00 8" SW
K2351RIM 822.87810.00 8" SE811.00 8" WK2358RIM 825.17809.00 8" SW
K2426RIM 806.67794.00 8" N794.00 8" S
K2397RIM 801.58788.00 8" NW788.00 8" SE
K2425RIM 814.67798.00 8" N798.00 8" S
K2398RIM 798.96785.00 8" E787.00 8" NW786.00 8" SE
K2404RIM 799.86784.00 8" E784.00 8" W
K2409RIM 834.67825.00 8" E826.00 8" W K2410RIM 839.26824.00 8" NE824.00 8" NW828.00 8" S (O.D.)
K2423RIM 816.67804.00 8" S805.00 8" W
K2392RIM 806.19791.00 8" N791.00 8" S
STR_NO103RIM 814.41790.00 8" N789.00 8" SE
K2395RIM 807.10791.00 8" N791.00 8" S
STR_NO102RIM 805.05792.00 8" NE
K2402RIM 798.83786.00 8" NW786.00 8" SE786.00 8" SW
K2428RIM 826.65813.00 8" SE
K2399RIM 800.15791.00 8" NW
K2400RIM 799.33788.00 8" NW788.00 8" SE788.00 8" SW
1.2 Acres1.3 Acres
5.3 Acres
2.2 Acres
3.2 Acres
5.2 Acres
GO
L
D
D
R
HIL
L
E
N
D
A
L
E
D
R
DI
A
M
O
N
D
D
R
826 824
822
828
836 834
820
830
832
8
1
8
816
838
840
842
8
0
8
81
0
84
4
84
6
814
848
85
0
852
854
856
8
0
6
860
7
9
8
80
4
862
800
8
0
2
7
9
6
864
81
2
866
794
800
79
4
812
8
0
2
848
812
816
84
8
814
856
8
1
0
808
8
0
8
8
0
6
8
3
8
79
8
802
844 846
798
804
K2428 K2402
K2398
K2425
K2411
1 in = 140 ft
³
Legend
Storm Pipe
<all other values>
Storm Main Type
D Abandoned
Unknown
Double Underdrain
Underdrain
Cleanout
Culvert
Lead
Main
Stub
Sump
Private
Gold Drainage Basins
CITY OF MUSKEGO
Public Works Committee
To: Public Works Committee
From: David Simpson, P.E., Director of Public Works/City Engineer
Subject: Discuss drainage issue on Field Drive near Annes Way
Date: May 17, 2013
The homeowners of S75 W21497 Field Drive have expressed great concern related to
storm water runoff coming from a large drainage area to the rear of their property and
have asked the City to look into potential solutions. The existing area to the rear of
their property drains approximately 60 acres into a low area to the east of a driveway
that holds water until it can drain through a culvert under Field Drive. If a culvert was
to be added under Field Drive we must consider downstream impacts. The attached
drawing shows the downstream culverts and drainage areas that must be considered
when looking at this project. The pictures below show some of the areas during a heavy
runoff event.
Because of the complex series of wetland areas that act as natural retention ponds it is
difficult to assess the needs for a culvert system improvement. The residents that are
concerned the most about this flooding have not experienced any flooding of their home,
however, they have experienced large amounts of water around their home.
I see multiple options for reducing the risk of flooding to this home:
1. Add additional culvert capacity to the entire downstream system so that the area
that currently holds water will drain at a faster pace. This could be done by
computing the existing ditches maximum capacity and ensuring that the culvert
system would match it. Cost would be approximately $8,000 in materials (no
labor, would be completed in house)
2. Hire a consulting engineer to model the existing system to see if other options
exist. I would estimate Engineering costs would be in the $5,000-$10,000 range.
3. Leave the system as is and do nothing.
Recommendation:
Discuss the various options and direct staff to complete the preferred alternative.
2187-010
2187-011
2187-012
2185-999-001
2186-999-001
2186-001
2185-996
2185-996-001
2185-996-002
2185-995
2186-994
2186-995
2187-013
2187-014
2187-015
2187-016
2187-017
2187-018
2185-994-001
2185-994-003
2185-994-002
2186-993
2186-0022186-003
2186-004
2187-008
2187-009
2187-003
2187-004
2187-005
2187-006
2187-007
2188-995-006
2188-995-007
2188-995-008
2188-995-009
2188-995-010
2188-995-011
2187-001
2187-002
2186-006
2186-999
2186-990
2186-991-001
2186-991-002
2187-997
2187-997-001
2188-994
2186-005
2187-998
2185-995-001
2185-997
2187-996-001
2187-998-0012187-998-002
2187-998-003
2187-996
2188-998
2188-996-001
2188-986 2188-983
2188-995-004
2188-996
2188-997
2186-998-003
2186-998-005
2186-998-002 2185-999-003
!!
!!
!
!!
!
!
!
!!
!!
1947RIM 885.16885.16 15X21"1946RIM 885.82885.82 15X21"
1948RIM 861.77 0.00
1949RIM 861.77861.77 15"
1950RIM 862.93862.93 15"
2021RIM 912.94912.94 48"
2022RIM 914.44914.44 48"
2020RIM 907.45907.45 12X18"
2019RIM 907.53907.53 12X18"
2017RIM 905.50905.50 15X21"
2018RIM 904.82904.82 15X21"
2014RIM 905.08905.08 24X36"2016RIM 904.95904.95 24X36"
2015RIM 904.70904.70 24X36"
28 Acres
19 Acres
4 Acres
60 Acres
Existing Culverts tobe Analyzed (in red)
FIELD DR
AN
N
E
S
W
A
Y
TWIN
P
O
N
D
S
R
D
CRIMSO
N
C
T
CITY OF MUSKEGO
Public Works Committee
To: Public Works Committee
From: David Simpson, P.E., Director of Public Works/City Engineer
Subject: Discuss drainage issue near Horn Park Drive at Pioneer Drive
Date: May 17, 2013
Many owners of properties along Pioneer Drive have expressed great concern related to
storm water runoff coming from the large wetland complex that is to the west and north
of Horn Park. The existing wetland complex drains through an existing 12” clay drain
tile that appears to have been installed at least fifty years ago if not more. This drain tile
is the only known underground outlet for this entire wetland complex. During heavy
rain events, should the wetland complex fill with water, it begins to flow overland and
eventually through properties along Pioneer Drive. The pictures below show some of
the areas during a heavy runoff event.
I believe that completing a storm sewer installation along with repairing the existing
drain tile will reduce the likelihood of area wide flooding such as that experienced on
4/18/13. The attached drawing shows staff’s recommendation for the installation of a 24”
concrete storm sewer that will replace the existing drain tile from the creek to the end of
Horn Park Drive. This will enable the system to take overland flows prior to reaching
Pioneer Drive properties. Staff should be able to survey and design the project.
Coordination will be needed from the DNR, WE Energies and potentially the Army Corp
of Engineers. During the Pioneer Drive Project, we installed the section of 24” pipe
under Pioneer Drive so that we would not have to impact the new roadway with any
future project.
The approximate length of pipe needed is 620 linear feet. For preliminary budget
purposes a cost of $110/l.f. can be used for a total project estimate of $68,200.00. This is
a very conservative estimate, so I would expect that the project cost would be less than
this after final design. Should the existing drain tile that will remain begin to fail it will
also need to be replaced in the future, however, I think this project scope is a good
balance of need and expenditure. The existing Storm Water Special Revenue account
can be utilized to fund this project with no impact to any other currently proposed
projects.
Recommendation:
Survey, design, permit, and bid a project as described above and shown on the attached
exhibit.
Existing Drain Tile
Install New 24" StormSewer Approx. 620 feet
Existing 24" Pipe
LIONS PARK DR
PI
O
N
E
E
R
D
R
KE
L
L
Y
D
R
WEST TOWER DR
788
78
6
78
4
7
8
0
7
7
8
790
782
79
2
794
79
6
78
4
792
782
784
78
2
7
8
6
784
78
6
786
79
2
78
6
78
4
78
6
784
79
0
786
7
8
2
784
782
786
7
8
2
792
1 in = 96 ft
³
Legend
Storm Pipe
<all other values>
Storm Main Type
D Abandoned
Unknown
Double Underdrain
Underdrain
Cleanout
Culvert
Lead
Main
Stub
Sump
Private
Horn Park Storm Sewer
May 15, 2013
Re: Molybdenum
Dear Resident:
As you may have recently heard through various media outlets, a naturally occurring metal called
Molybdenum has been found in many private wells in southeast Wisconsin during the past few years. There
are currently no State or Federal requirements for testing of Molybdenum in public water systems, however,
the City of Muskego felt it was important to voluntarily test all ten municipally owned wells. The results of
these tests show that eight of the City owned wells have either none or very low levels of Molybdenum. The
two remaining wells, which are located in the Champions Village Subdivision, tested at levels that exceed the
State of Wisconsin groundwater standard, which is currently 40 micrograms/liter (ug/l). One of the well’s test
results showed a level of 70 ug/l while the second showed a level of 80 ug/l. While the State has established a
groundwater standard for Molybdenum, there is currently no standard in place for public water systems. Even
though the City is not required to test for or treat wells that exceed the groundwater standard for Molybdenum
we have decided to temporarily discontinue use of these wells while the State of Wisconsin conducts further
research and establishes guidelines for public water systems. This means that all customers served by
municipal water will be receiving water from the remaining eight wells.
Please see the enclosed document (link: http://www.dhs.wisconsin.gov/publications/P0/P00150.pdf) from the
Wisconsin Department of Health Services for information regarding Molybdenum. In the document you will
find that Molybdenum is an essential nutrient in human diets, however, one study has shown that long term
consumption of 10,000 to 15,000 ug/day of molybdenum was associated with some adverse health issues.
Because your home received the majority of its water in the past from the two wells discussed above we felt it
was important to share this information.
For more information on Molybdenum please visit the following websites:
http://dnr.wi.gov/topic/Groundwater/molybdenum.html
http://www.dhs.wisconsin.gov/eh/HlthHaz/fs/MolybdenumDrinkingWater.pdf
The City has created a webpage that includes the links above and will be updated as we have more information
which can be viewed at: http://www.cityofmuskego.org/molybdenum. If you have any questions, please do
not hesitate to contact either Scott Kloskowski at (262) 679-4149/skloskowski@cityofmuskego.org or David
Simpson at (262)-679-5686/dsimpson@cityofmuskego.org.
The City of Muskego Water Utility is committed to providing its customers with safe and reliable drinking
water that meets or exceeds all State and Federal requirements.
Thank you,
City of Muskego
David Simpson, P.E. Scott Kloskowski
Director of Public Works Utilities Superintendent
PUBLIC WORKS DEPARTMENT
W182 S8200 Racine Avenue, PO Box 749
Muskego, Wisconsin 53150-0749
(262) 679-4128 FAX (262) 679-5614