Clean Lakes Program: Cass - Lagrange County

 

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Indiana Clean Lakes Program Lake Report

Cass

 

Lagrange County

1989

         
Sample Location: Deep Hole
Sample Date: 1989-08-01
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
1989
6.7
1.8
53
18
115
8.4
7.5
340
450
132
184
0.01
0.01
0.01
0.01
0.293
0.369
0.025
0.599
0.998
1.401
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
24.5
24
22
19
DO (mg/L)
9.3
9.5
9.5
7.5
0.2
0.1
                                                                           
% Water Column Oxic: 83.3
 
Blue-Green Dominance (% of NU): 73
 
          Carlson TSI: 45
                    Indiana TSI: 17
                                                                           
Blue-Greens (#/L): 1872   Greens (#/L): 26   Diatoms (#/L): 416   Other Algae (#/L): 104   Rotifers (#/L): 152   Zooplankton (#/L): 0
 
 

1993

         
Sample Location: Deep Hole
Sample Date: 1993-07-12
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
6.7
3.1
63
18
100
8.2
7.8
400
370
142.5
161
0.01
0.01
0.017
0.039
2.09
0.247
0.182
0.167
0.277
0.511
0.702
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)
27.2
27
27
27
27
23
20.5
17
DO (mg/L)
8.3
8.4
8.3
8.2
8
7.7
3.6
0.1
                                                                           
% Water Column Oxic: 78.1
 
Blue-Green Dominance (% of NU): 31
 
          Carlson TSI: 42
                    Indiana TSI: 4
                                                                           
Blue-Greens (#/L): 2583   Greens (#/L): 0   Diatoms (#/L): 343   Other Algae (#/L): 5271   Rotifers (#/L): 75   Zooplankton (#/L): 0
 
 

2000

         
Sample Location: Deep Hole
Sample Date: 2000-07-24
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
6.7
6.7
30
17
120
8.5
7.5
351
402
118
168
0.006
0.09
0.042
0.103
1.9
0.063
0.022
0.079
1.102
0.691
2.311
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)
25.2
25.1
24.4
24.3
24.2
23.8
23.4
18.1
DO (mg/L)
9.9
9.85
10.02
10.25
9.92
8.9
6.75
0.19
                                                                           
% Water Column Oxic: 83
 
Blue-Green Dominance (% of NU): 50
 
          Carlson TSI: 43
                    Indiana TSI: 16
                                                                           
Blue-Greens (#/L): 946   Greens (#/L): 51   Diatoms (#/L): 31   Other Algae (#/L): 773   Rotifers (#/L): 61   Zooplankton (#/L): 19
 
 

2003

         
Sample Location: Deep Hole
Sample Date: 2003-07-14
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
6.71
2.1
69
18
112
8.4
7.9
402
399
157
179
0.01
0.01
0.013
0.013
2.59
0.03
0.013
0.258
0.478
1.1
1.253
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)
26.3
26.2
26.1
26.1
24.7
24.1
21.3
17.3
DO (mg/L)
9.3
9.3
9.1
9
8.8
6.8
0.4
0
                                                                           
% Water Column Oxic: 59.6
 
Blue-Green Dominance (% of NU): 77
 
          Carlson TSI: 43
                    Indiana TSI: 17
                                                                           
Blue-Greens (#/L): 1369   Greens (#/L): 9   Diatoms (#/L): 237   Other Algae (#/L): 137   Rotifers (#/L): 9   Zooplankton (#/L): 15.6
 
 

 

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)