Clean Lakes Program: Big Chapman - Kosciusko County

 

Go back to the Indiana Clean Lakes Website

Go back to the Indiana Map to select another county

Indiana Clean Lakes Program Lake Report

Big Chapman

  

Kosciusko County

1994

          
Sample Location: Deep Hole
Sample Date: 1994-08-15
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
1994
11.3
2.7
54
23
95
8.4
7.6
370
385
126
179
0.01
0.01
0.01
0.055
3.22
0.022
0.022
0.018
0.502
0.396
1.092
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
25
24.5
23.5
23
23
22.5
22.5
22
20
17
16
DO (mg/L)
8.1
8
7.9
7.8
7.9
7.5
6.5
6.2
5
0.3
0.1
0.1
                                                                           
% Water Column Oxic: 85
  
Blue-Green Dominance (% of NU): 32
  
          Carlson TSI: 42
                    Indiana TSI: 5
                                                                           
Blue-Greens (#/L): 2754   Greens (#/L): 3553   Diatoms (#/L): 1523   Other Algae (#/L): 670   Rotifers (#/L): 0   Zooplankton (#/L): 103
 
 

1998

          
Sample Location: Deep Hole
Sample Date: 1998-06-30
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
1998
11.3
3.1
55.59
20.3
106
8.26
7.5
380
340
123.9
165.7
0.01
0.01
0.015
0.025
2.58
0.022
0.022
0.018
0.307
0.447
0.411
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)
26.3
26.3
26.3
26.3
26.3
21.7
19.7
18.1
16.2
14.8
12.9
12.4
12.2
DO (mg/L)
8.5
8.5
8.5
8.5
8.6
9.2
7.3
4.7
1.6
0.1
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 63.6
  
Blue-Green Dominance (% of NU): 16
  
          Carlson TSI: 42
                    Indiana TSI: 7
                                                                           
Blue-Greens (#/L): 2913   Greens (#/L): 157   Diatoms (#/L): 10630   Other Algae (#/L): 3811   Rotifers (#/L): 378   Zooplankton (#/L): 54.8
 
 

2004

          
Sample Location: Deep Hole
Sample Date: 2004-07-07
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
2004
11.6
2.2
60
17.4
87.7
8.3
7.8
411
378
140
165
0.01
0.01
0.043
0.054
3.32
0.013
0.013
0.046
0.607
0.581
0.935
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)
25.6
25.6
25.6
25.6
25.5
25.5
23.6
22
21.4
18.3
16.2
15.4
15.2
DO (mg/L)
7.9
7.5
7.8
7.47
7.77
7.7
5.15
2.1
0.75
0.03
0.01
0
0
                                                                           
% Water Column Oxic: 55
  
Blue-Green Dominance (% of NU): 82.2
  
          Carlson TSI: 50
                    Indiana TSI: 18
                                                                           
Blue-Greens (#/L): 2892   Greens (#/L): 125   Diatoms (#/L): 321   Other Algae (#/L): 107   Rotifers (#/L): 54   Zooplankton (#/L): 20.7
 
 

2008

          
Sample Location: Site 1
Sample Date: 2008-06-30
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
2008
12
1.7
22
15
92.5
8.5
7.1
374
338
144
170
0.01
0.01
0.024
0.027
6.07
0.013
0.013
0.077
0.441
0.753
0.845
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)
22.8
22.9
22.9
22.9
22.9
22.9
22.8
18.5
16.5
14.8
13.9
12.7
12.2
DO (mg/L)
7.9
8
7.9
8
8.1
8
8
8.1
1.5
0.9
0
0
0
                                                                           
% Water Column Oxic: 58.3
  
Blue-Green Dominance (% of NU): 54.2
  
          Carlson TSI: 50
                    Indiana TSI: 19
                                                                           
Blue-Greens (#/L): 4746   Greens (#/L): 279   Diatoms (#/L): 3350   Other Algae (#/L): 372   Rotifers (#/L): 0   Zooplankton (#/L): 8
 
 

2008

          
Sample Location: Site 2
Sample Date: 2008-06-30
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
2008
9.4
1.4
14
13
91.79
8.4
7.6
373.3
370.7
143.5
168
0.01
0.01
0.024
0.027
6.65
0.013
0.017
0.093
0.381
0.68
0.788
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)
23.4
23.4
23.4
23.4
23.4
23.3
22.7
21.2
19.7
17.8
17.1
DO (mg/L)
8
8.1
8.1
7.8
8.2
8.6
5.5
2.1
0.2
0
0
                                                                           
% Water Column Oxic: 63.8
  
Blue-Green Dominance (% of NU): 56.7
  
          Carlson TSI: 51
                    Indiana TSI: 23
                                                                           
Blue-Greens (#/L): 3084   Greens (#/L): 171   Diatoms (#/L): 2099   Other Algae (#/L): 43   Rotifers (#/L): 43   Zooplankton (#/L): 3.7
 
 

2008

          
Sample Location: Site 3
Sample Date: 2008-06-30
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
2008
11
1.7
17
17
86.1
8.5
7.8
375.7
341.8
141
168
0.01
0.01
0.024
0.034
6.71
0.015
0.013
0.083
0.317
0.689
0.732
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)
22.9
22.9
22.9
22.9
22.9
22.8
22.6
21.7
19.8
17.2
15.2
14.6
14.3
14
DO (mg/L)
7.7
7.6
7.7
7.8
7.6
6.5
3.5
1.8
1.1
0
0
0
0
0
                                                                           
% Water Column Oxic: 63.6
  
Blue-Green Dominance (% of NU): 54.1
  
          Carlson TSI: 50
                    Indiana TSI: 18
                                                                           
Blue-Greens (#/L): 3202   Greens (#/L): 394   Diatoms (#/L): 1872   Other Algae (#/L): 394   Rotifers (#/L): 49   Zooplankton (#/L): 3.5
 
 

2011

          
Sample Location: Deep Hole
Sample Date: 2011-07-26
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
2011
10.67
2.1
30.8
21.5
96
8.2
7.4
414.8
336.8
140
174
0.01
0.01
0.01
0.036
2.765
0.013
0.013
0.018
0.40775
0.561882
1.085645
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)
29.8
29.7
29.7
29.7
29.6
28.1
24.2
22.3
20
16.5
14.9
14.3
13.3
DO (mg/L)
7.8
7.59
7.63
7.37
7.62
5.76
3.01
0.9
0.45
0.03
0.01
0.01
0.01
                                                                           
% Water Column Oxic: 46.9
  
Blue-Green Dominance (% of NU): 74.4
  
Blue-Green Dominance (% of cells): 91.7
           Carlson TSI: 42
                   
                                                                           
Blue-Greens (#/L): 34201615   Greens (#/L): 2732175   Diatoms (#/L): 195155   Other Algae (#/L): 177414   Rotifers (#/L): 19   Zooplankton (#/L): 37.5
Blue-Greens (cells/L): 34202   Greens (cells/L): 11386   Diatoms (cells/L): 195   Other Algae (cells/L): 177   Rotifers (cells/L): 0.0188   Zooplankton (cells/L): 0.0375
 
 

2012

          
Sample Location: Deep Hole
Sample Date: 2012-07-18
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
2012
11
2.65
49.9
14.8
42.5
8.6
7.5
405
340.6
126
150
0.01
0.01
0.01
0.024
3.9
0.03
0.019
0.026
0.018
0.588
0.574
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)
29.5
29.3
29.1
29
28.8
28.1
26.6
23.2
20.8
17
14.6
13.1
DO (mg/L)
3.4
3.48
3.24
3.07
3.32
3.23
3.18
0.52
0.12
0.25
0.04
0.01
                                                                           
% Water Column Oxic: 50
  
Blue-Green Dominance (% of NU): 41.6
  
Blue-Green Dominance (% of cells): 15.7
           Carlson TSI: 45
                   
                                                                           
Blue-Greens (#/L): 17359   Greens (#/L): 74110   Diatoms (#/L): 18027   Other Algae (#/L):   Rotifers (#/L): 527   Zooplankton (#/L): 282
Blue-Greens (cells/L): 339   Greens (cells/L): 458   Diatoms (cells/L): 18   Other Algae (cells/L):   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)