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Assessment Point: MN-15
The following data are excerpts from multiple reports. While the same location in theMenomonee River watershed is represented, the assessment point IDs differ. Throughoutthe following data, Assessment Point MN-15 is also represented by:
o Reach 883o Menomonee Mainstem
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94
43
43
43
43
tu45
tu41
tu
45
tu41
tu45
tu18
tu45
tu41tu18
tu45
tu41C i t y o f C i t y o f
B R O O K F I E L D B R O O K F I E L D
C i t y o f C i t y o f
M I L W A U K E E M I L W A U K E E
C i t y o f C i t y o f
G L E N D A L E G L E N D A L E
City ofCity of
CED A RBUR GCE DA RBURG
C it y ofC i t y o f
WAU WA TOS AWAU WAT OS A
C it y ofC i t y o f
ME QUO NM EQ UO N
UPPER MENOMONEE RIVER
LOWER MENOMONEE RIVER
LITTLEMENOMONEERIVER
UNDERWOOD CREEK
LILLY CREEK
WILLOWCREEK
BUTLER DITCH
NOR-X-WAY CHANNEL
DOUSMAN DITCH
WEST BRANCH MENOMONEERIVER
NORTH BRANCH MENOMONEE RIVER
LITTLE MENOMONEE CREEK
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43
43
43
43
tu45
tu41
tu45
tu41
tu45
tu18
tu45
tu41tu18
tu45
tu41
?@145
?@74
?@175
?@74
?@74
?@190
?@190
?@164
?@74
?@190
?@100
?@175
?@175
?@145
?@145
?@167
?@145
?@167
?@57
?@32
?@167
?@57?@181
?@181
?@57
?@100
?@100
?@190
?@181
?@145
?@57
?@57
?@100
?@181
?@100?@32
?@57
?@32
?@145
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MILWAUKE
E
LILLY
DIT
CH
PIGEON
NOR
-X-WAY
SUS
SEX
DOUSMAN
UNDER
WOOD
CREEK
CRE
EK
CREEK
RIVER
RIV
ER
CREE
K
CR
EEK
LITTLE
MENOMONEE
MENOMONEE
RIVER
MENOM
ONEE
PIT
LAKE
FISH
INDIA
N
WH
LINCOLN
BARK
W.
CREEK
CHANNEL
AMY
BELL
LAKE
CREEK
MENOMONEE
PEWA
UKEE
RIVER
BARK
RIVER
MENOMON
EE
RIV
ER
BR.
WILLOW
RIVER
FOX
CR.
LAKE
LAC
du
COURS
MENOMONEE
MENOM
ON
EE
LITTL
E
RIV
ER
CREEK
BR.
RI
VER
RIVER
N.
C i t y o f C i t y o f
B R O O K F I E L D B R O O K F I E L D
C i t y o f C i t y o f
M E Q U O N M E Q U O N
C i t y o f C i t y o f
MI L W A U K E E MI L W A U K E E
Ci ty o fCi ty o f
W A UWA T O SAWA UWA TOSA
C i t y o f C i t y o f
G L E N D A L E G L E N D A L E
UPPER MENOMONEE RIVER
LOWER MENOMONEE RIVER
LITTLEMENOMONEERIVER
UNDERWOOD CREEK
LILLY CREEK
WILLOWCREEK
BUTLER DITCH
NOR-X-WAY CHANNEL
DOUSMAN DITCH
WEST BRANCH MENOMONEERIVER
NORTH BRANCH MENOMONEE RIVER
LITTLE MENOMONEE CREEK
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!
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!
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94
43
43
43
43
tu45
tu41
tu45
tu41
tu45
tu18
tu45
tu41tu18
tu45
tu41C i t y o f C i t y o f
B R O O K F I E L D B R O O K F I E L D
C i t y o f C i t y o f
M E Q U O N M E Q U O N
C i t y o f C i t y o f
MI L W A U K E E M I L W A U K E E
Ci ty o fCi ty o f
W A UWA T O SAWA UWA TOSA
C i t y o f C i t y o f
G L E N D A L E G L E N D A L E
MN-11
MN-9
MN-14
MN-2
MN-5
MN-15
MN-13
MN-4
MN-7
MN-8
MN-3
MN-6
MN-1
MN-10
MN-17
MN-12
MN-8MN-9
MN-7
MN-6
MN-5
MN-4
MN-3 MN-2
MN-1
MN-16 MN-17
MN-15
MN-14
MN-13
MN-11
MN-12
MN-10
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!
!
!
!
!
M IM I
City ofCity of
WA UWA TOSAWA UWA TOSA
FondDuLac A
v.Appleton A
v.
76th
St.
76th
St.
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!
!
!
!
!
M IM I
City ofCity of
WA UWA TOSAWA UWA TOSA
FondDuLac A
v.Appleton A
v.
76th
St.
76th
St.
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Constituent Measure Standard/Target
Geometric Mean Standard 200 counts/100 ml
Not to Exceed Standard 400 counts/100 ml
Dissolved Oxygen (DO) Minimum Concentration Standard 5 mg/l
Total Suspended Solids (TSS)
USGS Median TSS Reference Concentration (estimated
background concentration) 17.2 mg/l
Total Phosphorus (TP) Planning Guideline 0.1 mg/l
Flashiness
Richards Baker Flashiness Index (quantifies the frequencyand rapidity of short-term changes in stream flow; the index
ranges from 0 - 2, with 0 being constant flow) indicator only
Menomonee River Standards/Targets
Fecal Coliform
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Figure Overall Project
Team Assessment
Analysis
Dissolved oxygenby flow
Good Note that dissolved oxygen concentrations decline slightly during low flows. This is likely due to a combination ofdecreased water agitation and higher temperatures (low flow conditions are often associated with the warm summermonths).
Fecal coliform by
flow
Poor Generally, a pollutant that is present at high concentrations during high flows and low concentrations during low flows(fecal coliform, in this case) is attributed primarily to non-point sources. Infrequent sewer overflows (once every 2-5
years) would only contribute during the high flows when substantial non-point loads are already present. During periods
with the highest flows, fecal coliform counts exceed the regulatory standard; during moist conditions, fecal coliform
counts exceed the standard 75% of the time. During low flows, the standard is met over 75% of the time. These
conditions would be the safest time for recreational use (boating, wading, swimming).
Phosphorus by
flow
Good to Moderate Concentrations are greatest at high flows, with concentrations exceeding the 0.1 mg/l planning guideline about 50% of thetime during the highest flows. This suggests that phosphorus sources are primarily non-point. The similarities between
the phosphorus and suspended solids data suggest that the phosphorus may be associated with suspended sediment.
Suspended solids
by flow
Good The concentrations of suspended solids increase with increased flows, suggesting contributions from non-point sources.All of the instances when the concentration exceeds the reference occur at the moist-to-high flow conditions. The
suspended solids may come from runoff that carries a sediment load, from stream bank erosion, or re-suspended stream
sediments.
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Flashiness Index
Reach Description Richards Baker FlashinessIndex
883 Menomonee Main Stem 0.46
Average Daily Flow
Menomonee Main Stem (883)
0
200
400
600
800
1000
1200
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
AVERAG
EDAILYFLOW(
CFS
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Existing Water Quality Data
AssessmentPoint
Water QualityIndicator
Statistic ConditionExisting
Mean (cells per 100 ml) 6,137Fecal Coliform Bacteria(annual)
Percent compliance with single samplestandard (
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0
40
80
120
160
200
240
280
320
360
400
0-1
1-2
2-3
3-4
4-5
5-6
6-7
7-8
8-9
9-10
>10
Average DO (mg/L)
AverageNu
mberofDaysPerYear
Menomonee River @ Mainstem (RI 883)
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Menomonee River @ Mainstem (RI 883)
0
40
80
120
160
200
240
280
320
360
400
0-400
400-600
600-1000
1000-2000
2000-3000
3000-4000
4000-5000
>5000
Average Fecal Coliform (#/100ml)
AverageNumberofDaysPerYear
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Menomonee River @ Mainstem (RI 883)
0
40
80
120
160
200
240
280
320
360
400
0-0.05
0.05-0.1
0.1-0.15
0.15-0.2
0.2-0.25
0.25-0.3
0.3-0.35
0.35-0.4
0.4-0.45
0.45-0.5
>0.5
Average TP (mg/L)
Avera
geNumberofDaysPerYe
ar
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Menomonee River @ Mainstem (RI 883)
0
40
80
120
160
200
240
280
320
360
400
0-25
25-50
50-75
75-100
100-125
125-150
150-175
175-200
>200
Average TSS (mg/L)
AverageN
umberofDaysPerYear
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1
10
100
0 10 20 30 40 50 60 70 80 90 100
Flow Duration Interval (%)
Concentra
tion(mg/L)
Flow Conditions Regulatory Standard (5 mg/L) Box & Whiskers
Menomonee Main Stem Reach 883Dissolved Oxygen
Modeled Flow Data
DryConditions
LowFlows
Mid-rangeFlows
HighFlows
MoistConditions
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1.E+00
1.E+01
1.E+02
1.E+03
1.E+04
1.E+05
0 10 20 30 40 50 60 70 80 90 100
Flow Duration Interval (%)
Concentratio
n(cfu/100mL)
Flow Conditions Regulatory Standard (400 cfu/100 mL) Box & Whiskers
Menomonee Main Stem Reach 883
Fecal Coliform
Modeled Flow Data
DryConditions
LowFlows
Mid-rangeFlows
HighFlows
MoistConditions
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0.01
0.10
1.00
0 10 20 30 40 50 60 70 80 90 100
Flow Duration Interval (%)
Concentra
tion(mg/L)
Flow Conditions Planning Standard (0.1 mg/L) Box & Whiskers
Menomonee Main Stem Reach 883Total Phosphorus
Modeled Flow Data
DryConditions
LowFlows
Mid-rangeFlows
HighFlows
MoistConditions
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1
10
100
1000
0 10 20 30 40 50 60 70 80 90 100
Flow Duration Interval (%)
Concentra
tion(mg/L)
Flow Conditions Reference Concentration (17.2 mg/L) Box & Whiskers
Menomonee Main Stem Reach 883Total Suspended Solids
Modeled Flow Data
DryConditions
LowFlows
Mid-rangeFlows
HighFlows
MoistConditions
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