Clean Lakes Program: Crystal - Kosciusko County

 

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Indiana Clean Lakes Program Lake Report

Crystal

  

Kosciusko County

1989

          
Sample Location: Deep Hole
Sample Date: 1989-08-15
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
1989
12.2
2.2
65
25
108
8.8
7.5
370
375
182
258
0.01
0.011
0.016
0.043
3.832
4.448
0.102
2.75
1.56
4.662
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)
24.7
24.4
24.2
23.4
21.9
17.7
14.1
11.3
10
9.5
9
DO (mg/L)
8.9
8.9
8.7
8.2
6.8
5.8
1.7
0.1
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 63.6
  
Blue-Green Dominance (% of NU): 67
  
          Carlson TSI: 47
                    Indiana TSI: 25
                                                                           
Blue-Greens (#/L): 802   Greens (#/L): 0   Diatoms (#/L): 0   Other Algae (#/L): 379   Rotifers (#/L): 17   Zooplankton (#/L): 0
 
 

1994

          
Sample Location: Deep Hole
Sample Date: 1994-08-16
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
1994
12.2
3.3
72
23
94
8.4
7.3
405
420
157.3
236.5
0.01
0.014
0.01
0.047
1.88
0.03
0.022
0.04
2.989
0.516
3.776
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
24.6
24
23.9
23.8
23.4
23
20.9
17.9
14.6
12.6
11.5
11
DO (mg/L)
7.8
7.9
7.9
7.9
7.6
7.2
5.7
1.3
0.3
0.2
0.2
0.1
0.1
                                                                           
% Water Column Oxic: 65
  
Blue-Green Dominance (% of NU): 41
  
          Carlson TSI: 39
                    Indiana TSI: 8
                                                                           
Blue-Greens (#/L): 926   Greens (#/L): 404   Diatoms (#/L): 95   Other Algae (#/L): 463   Rotifers (#/L): 0   Zooplankton (#/L): 350
 
 

1998

          
Sample Location: Deep Hole
Sample Date: 1998-07-28
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
12.2
2.4
55
23
106
8.32
7.4
464
386
153.7
243.8
0.01
0.019
0.024
0.095
2.02
0.111
0.022
0.07
2.615
0.619
3.903
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
27
27
27
26.9
26.1
22.9
17.9
14.7
12.3
10.6
9.6
DO (mg/L)
8.37
8.28
8.32
8.34
8.34
6.01
2.08
0.07
0.92
0.13
0.01
0.01
                                                                           
% Water Column Oxic: 80
  
Blue-Green Dominance (% of NU): 39
  
          Carlson TSI: 45
                    Indiana TSI: 11
                                                                           
Blue-Greens (#/L): 894   Greens (#/L): 46   Diatoms (#/L): 97   Other Algae (#/L): 1184   Rotifers (#/L): 85   Zooplankton (#/L): 13.3
 
 

 

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)