Clean Lakes Program: Bixler - Noble County

 

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Indiana Clean Lakes Program Lake Report

Bixler

 

Noble County

1990

         
Sample Location: Deep Hole
Sample Date: 1990-07-18
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
1990
11.6
1.8
42
15.5
100
8.3
7.3
350
280
159.6
208.9
0.01
0.324
0.022
0.276
0.546
0.466
0.028
1.604
1.894
2.062
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)
21.5
21
21
20
17
14
13
11
10.5
10
9.5
DO (mg/L)
8.9
8.9
8.8
4.9
0.4
0.3
0.3
0.25
0.2
0.2
0.2
                                                                           
% Water Column Oxic: 73
 
Blue-Green Dominance (% of NU): 46
 
          Carlson TSI: 51
                    Indiana TSI: 23
                                                                           
Blue-Greens (#/L): 22270   Greens (#/L): 6604   Diatoms (#/L): 461   Other Algae (#/L): 17970   Rotifers (#/L): 953   Zooplankton (#/L): 0
 
 

1993

         
Sample Location: Deep Hole
Sample Date: 1993-08-16
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
1993
11.6
1.8
37
17
107
8.6
7.5
430
425
152
220
0.01
0.846
0.016
0.882
5.46
0.024
0.022
0.018
2.699
1.342
2.093
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
25.5
25.5
24
23
20.5
17
15
13
12
12
12
11.5
DO (mg/L)
9
9.1
9.1
7.7
3.5
3.9
0.2
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 50
 
Blue-Green Dominance (% of NU): 13
 
          Carlson TSI: 48
                    Indiana TSI: 23
                                                                           
Blue-Greens (#/L): 3368   Greens (#/L): 823   Diatoms (#/L): 1234   Other Algae (#/L): 19335   Rotifers (#/L): 1032   Zooplankton (#/L): 0
 
 

2000

         
Sample Location: Deep Hole
Sample Date: 2000-07-18
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
2000
11.6
1
31
10
103.9
8.4
7.5
415.9
336.3
136
172
0.011
0.339
0.07
0.388
5.64
0.022
0.022
0.038
2.231
1.161
2.744
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)
26.1
26
25.5
25.1
24.9
24.1
17.2
13.1
11.9
11.5
11.2
11
10.9
DO (mg/L)
8.6
8.51
8.52
8.48
7.96
4.81
0.24
0.25
0.24
0.25
0.24
0.23
0.23
                                                                           
% Water Column Oxic: 36
 
Blue-Green Dominance (% of NU): 79
 
          Carlson TSI: 58
                    Indiana TSI: 40
                                                                           
Blue-Greens (#/L): 35815   Greens (#/L): 615   Diatoms (#/L): 359   Other Algae (#/L): 8352   Rotifers (#/L): 0   Zooplankton (#/L): 63
 
 

2003

         
Sample Location: Deep Hole
Sample Date: 2003-07-21
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
11.6
2.6
43
16
105
8.5
7.5
411.8
357.4
130
179
0.01
0.474
0.027
0.521
3.37
0.026
0.016
0.025
1.158
0.744
2.586
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)
25.9
25.9
25.9
25.8
25.2
24.6
20.5
16.1
14.7
14
12.2
11.8
DO (mg/L)
8.5
8.5
8.5
8.6
8.5
6.8
0.98
1
0
0
0
0
                                                                           
% Water Column Oxic: 34.4
 
Blue-Green Dominance (% of NU): 71
 
          Carlson TSI: 47
                    Indiana TSI: 32
                                                                           
Blue-Greens (#/L): 17445   Greens (#/L): 125   Diatoms (#/L): 188   Other Algae (#/L): 5864   Rotifers (#/L): 751   Zooplankton (#/L): 100.2
 
 

2010

         
Sample Location: Deep Hole
Sample Date: 2010-07-19
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
2010
11.28
1.1
10.4
14.8
102
7.6
7.4
402
380
142
121
0.01
0.462
0.026
0.502
5.9
0.013
0.013
0.023
2.151
0.919
2.793
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
29.4
29.2
28.5
26.6
20.9
16.8
14.1
12.8
11.9
11.4
11.1
11
DO (mg/L)
7.9
7.8
7.9
7.7
4.4
0.8
0
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 27
 
Blue-Green Dominance (% of NU): 93.9
 
Blue-Green Dominance (% of cells): 66
          Carlson TSI: 53
                    Indiana TSI: 63
                                                                           
Blue-Greens (#/L): 4633193   Greens (#/L): 36656   Diatoms (#/L): 1549953   Other Algae (#/L): 466653   Rotifers (#/L): 0   Zooplankton (#/L): 1.9
Blue-Greens (cells/L): 38136   Greens (cells/L): 417   Diatoms (cells/L): 1587   Other Algae (cells/L): 467   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)