Clean Lakes Program: Kreighbaum - Marshall County

 

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Indiana Clean Lakes Program Lake Report

Kreighbaum

  

Marshall County

1991

          
Sample Location: Deep Hole
Sample Date: 1991-08-20
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
1991
8.5
2.2
32
14
76.9
7.7
7
360
340
159.6
199.5
0.01
0.471
0.032
0.524
0.466
0.425
0.03
3.178
1.191
9.253
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)
23.2
23.1
23
21.9
18.2
14
11.5
10.4
9.8
9.5
DO (mg/L)
6.7
6.6
6
2.5
0.1
0.1
0.1
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 40
  
Blue-Green Dominance (% of NU): 28
  
          Carlson TSI: 52
                    Indiana TSI: 25
                                                                           
Blue-Greens (#/L): 1564   Greens (#/L): 340   Diatoms (#/L): 2380   Other Algae (#/L): 1088   Rotifers (#/L):   Zooplankton (#/L): 165
 
 

1995

          
Sample Location: Deep Hole
Sample Date: 1995-07-31
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
10.1
3
24
18
83.5
8.15
7.2
390
325
149
207
0.01
0.343
0.01
0.403
3.74
0.022
0.022
0.029
2.225
0.6
3.763
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)
30.8
29.5
29.2
29
26.1
21.8
17
13
11
9.8
9
DO (mg/L)
8.3
7.9
6.4
3.8
6.8
7.6
2
0.2
0.2
0.2
0.1
                                                                           
% Water Column Oxic: 100
  
Blue-Green Dominance (% of NU): 85
  
          Carlson TSI: 42
                    Indiana TSI: 32
                                                                           
Blue-Greens (#/L): 23806   Greens (#/L): 643   Diatoms (#/L): 842   Other Algae (#/L): 2618   Rotifers (#/L): 61   Zooplankton (#/L): 48.1
 
 

1999

          
Sample Location: Deep Hole
Sample Date: 1999-07-19
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
1999
10.1
2.1
72
16
96
8.2
7.3
400
320
130
191
0.012
0.264
0.063
0.178
4.95
0.022
0.022
0.033
1.88
0.943
3.499
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
26
26
26
23
18.5
12.5
9
7
6
5
5
DO (mg/L)
7.9
7.8
7.8
7.9
6.2
2.5
0.4
0.2
0.1
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 50
  
Blue-Green Dominance (% of NU): 58
  
          Carlson TSI: 53
                    Indiana TSI: 25
                                                                           
Blue-Greens (#/L): 2853   Greens (#/L): 156   Diatoms (#/L): 957   Other Algae (#/L): 840   Rotifers (#/L): 137   Zooplankton (#/L): 19.6
 
 

2004

          
Sample Location: Deep Hole
Sample Date: 2004-08-11
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
10.1
2.1
55
18
95
329
324
0.01
0.301
0.037
0.382
5.21
0.013
0.013
0.025
2.493
1.087
4.138
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)
23.5
23.6
23.6
23.6
23.5
22.5
18.4
14.4
11.8
10.2
9.2
8.6
DO (mg/L)
7.9
8
8
7.9
7.5
3.6
0.3
0.01
0.01
0.01
0
0
                                                                           
% Water Column Oxic: 40
  
Blue-Green Dominance (% of NU): 84
  
          Carlson TSI: 51
                    Indiana TSI: 30
                                                                           
Blue-Greens (#/L): 3560   Greens (#/L): 231   Diatoms (#/L): 77   Other Algae (#/L): 260   Rotifers (#/L): 71   Zooplankton (#/L): 22.8
 
 

2014

          
Sample Location: Deep Hole
Sample Date: 2014-07-08
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
2014
10
2
5.43
4.27
8
7.4
337
417
146
164
0.01
0.087
0.033
0.158
8.27
0.013
0.013
0.018
1.404
0.664
1.918
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
25.65
25.65
25.65
20.08
15.15
11.36
9.59
7.44
6.88
DO (mg/L)
6.65
6.54
6.66
6.68
7.51
0.32
0.21
0.19
0.19
0.19
                                                                           
% Water Column Oxic:
 
Blue-Green Dominance (% of NU): 93.6
  
Blue-Green Dominance (% of cells): 57.6
           Carlson TSI: 57
                   
                                                                           
Blue-Greens (#/L): 90255   Greens (#/L): 53405   Diatoms (#/L): 3204   Other Algae (#/L): 8545   Rotifers (#/L): 1092   Zooplankton (#/L): 220
Blue-Greens (cells/L): 1882   Greens (cells/L): 113   Diatoms (cells/L): 6   Other Algae (cells/L): 9   Rotifers (cells/L): 1   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)