Clean Lakes Program: Simonton - Elkhart County

 

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Indiana Clean Lakes Program Lake Report

Simonton

 

Elkhart County

1995

         
Sample Location: Deep Hole
Sample Date: 1995-07-05
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
1995
6.1
1.6
37
19
88
7.8
7.2
360
351
168
181
0.005
0.005
0.017
0.054
1.72
0.607
0.339
0.161
0.372
0.452
0.784
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
24.5
24.5
24.5
24.5
24.5
24.5
24
22.2
18.8
DO (mg/L)
7.3
7.3
7.3
7.4
7.4
7.3
7
4
0.1
                                                                           
% Water Column Oxic: 86
 
Blue-Green Dominance (% of NU): 89
 
          Carlson TSI: 45
                    Indiana TSI: 17
                                                                           
Blue-Greens (#/L): 3037   Greens (#/L): 304   Diatoms (#/L): 40   Other Algae (#/L): 0   Rotifers (#/L): 0   Zooplankton (#/L): 20.7
 
 

2000

         
Sample Location: Deep Hole
Sample Date: 2000-07-25
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
2000
6.1
2.2
65
16
96
8.3
383
130
0.008
0.035
1.62
0.256
0.157
0.604
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
24.2
24.2
24.2
24.2
24
23.7
23.7
DO (mg/L)
8.04
8.07
8.04
7.95
7.51
7.2
6.52
                                                                           
% Water Column Oxic: 100
 
Blue-Green Dominance (% of NU): 24
 
          Carlson TSI: 46
                    Indiana TSI: 3
                                                                           
Blue-Greens (#/L): 602   Greens (#/L): 913   Diatoms (#/L): 201   Other Algae (#/L): 621   Rotifers (#/L): 164   Zooplankton (#/L): 8.3
 
 

2003

         
Sample Location: Deep Hole
Sample Date: 2003-07-15
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
2003
5.79
0.9
60
16
91.4
8.4
8.2
409.4
407.2
154
158
0.01
0.01
0.01
0.027
5.53
0.25
0.224
0.18
0.18
0.717
0.676
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
25.7
25.6
25.5
25.5
25.5
24.8
23.6
DO (mg/L)
7.5
7.1
7.3
7.2
7.3
5.2
3.9
                                                                           
% Water Column Oxic: 100
 
Blue-Green Dominance (% of NU): 79
 
          Carlson TSI: 49
                    Indiana TSI: 21
                                                                           
Blue-Greens (#/L): 7861   Greens (#/L): 1123   Diatoms (#/L): 893   Other Algae (#/L): 86   Rotifers (#/L): 0   Zooplankton (#/L): 10.5
 
 

2009

         
Sample Location: Deep Hole
Sample Date: 2009-07-13
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
2009
6.1
1.2
33.52
107.7
8.3
8.2
386.2
369.8
148
150
0.01
0.01
0.018
0.014
2.41
0.378
0.393
0.075
0.124
0.414
0.606
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
25.5
25.4
25.3
25.2
24.8
23.2
22.1
21.6
DO (mg/L)
8.8
8.7
8.6
8.7
8.7
7.7
3
0.1
                                                                           
% Water Column Oxic: 49.18
 
Blue-Green Dominance (% of NU): 57.4
 
          Carlson TSI: 47
                    Indiana TSI: 24
                                                                           
Blue-Greens (#/L): 5269   Greens (#/L): 1969   Diatoms (#/L): 232   Other Algae (#/L): 1505   Rotifers (#/L): 174   Zooplankton (#/L): 24.7
 
 

2010

         
Sample Location: Basin 2 East
Sample Date: 2010-07-06
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
2010
1.22
1.7
28.6
6.6
118
8.7
334
270
0.01
0.02
1.56
0.022
0.031
0.674
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
29.1
29.1
28.9
DO (mg/L)
8.8
9.1
9.1
                                                                           
% Water Column Oxic: 100
 
Blue-Green Dominance (% of NU): 97.8
 
Blue-Green Dominance (% of cells): 78
          Carlson TSI: 45
                    Indiana TSI: 19
                                                                           
Blue-Greens (#/L): 5604   Greens (#/L): 72   Diatoms (#/L): 934   Other Algae (#/L): 431   Rotifers (#/L): 72   Zooplankton (#/L): 32.8
Blue-Greens (cells/L): 2718   Greens (cells/L): 0   Diatoms (cells/L): 58   Other Algae (cells/L): 1   Rotifers (cells/L): 0   Zooplankton (cells/L): 0
 
 

2010

         
Sample Location: Basin 1 West
Sample Date: 2010-07-06
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
2010
7
1.7
32.4
21.7
97.2
8.3
8
364
351
135
149
0.01
0.01
0.023
0.03
0.75
0.42
0.291
0.039
0.317
0.513
0.906
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
27.6
27.6
27.6
27.5
27.5
27.4
27.1
23.4
20.6
DO (mg/L)
7.7
7.6
7.4
7.5
7.5
7.4
7.8
0.7
0.1
                                                                           
% Water Column Oxic: 71
 
Blue-Green Dominance (% of NU): 95.9
 
Blue-Green Dominance (% of cells): 72
          Carlson TSI: 43
                    Indiana TSI: 16
                                                                           
Blue-Greens (#/L): 679   Greens (#/L): 189   Diatoms (#/L): 0   Other Algae (#/L): 19   Rotifers (#/L): 0   Zooplankton (#/L): 50.8
Blue-Greens (cells/L): 165   Greens (cells/L): 3   Diatoms (cells/L): 0   Other Algae (cells/L): 0   Rotifers (cells/L): 0   Zooplankton (cells/L): 0
 
 

 

In 2011 CLP changed plankton sampling methods, thus the Indiana TSI is no longer calculated.
Epi
Epilimnion
Alk
Alkalinity (mg CaCO3/L)
DO
Dissolved Oxygen (mg/L)
NH3
Ammonia (mg-N/L)
SRP
Soluable Reactive Phosphorus (mg-P/L)
Hypo
Hypolimnion
Chl-a
Chlorophyll-a (ug/L)
Light 3'
Percent light penetration at 3ft
NO3
Nitrate (mg-N/L)
TP
Total Phosphorus (mg-P/L)
   
Cond
Conductivity
1% Light Level
Depth of the 1% light level (ft)
TKN
Total Kjeldahl Nitrogen (mg-N/L)
Temp
Temperature (oC)