Clean Lakes Program: Crooked - Whitley County

 

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Indiana Clean Lakes Program Lake Report

Crooked

  

Whitley County

1994

          
Sample Location: Deep Hole
Sample Date: 1994-07-26
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
1994
32.9
4.5
50
36
103
8.6
7.3
330
260
121.7
147.3
0.01
0.203
0.01
0.228
2.37
0.022
0.11
0.018
0.39
0.23
0.307
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)
28.5
28.5
28.5
28.5
28.5
28.5
27.5
24.5
19.5
17.5
14.4
12.5
11.5
10.5
9.5
9.5
9
8.5
8.5
8
8
7.5
7.5
7.5
7.5
7.5
7.5
7
7
7
7
7
7
DO (mg/L)
8.5
8.6
8.5
8.6
8.5
8.2
7.9
10.1
9.8
8.9
8.8
6.6
5.8
6.4
6
6
5.8
5.8
5.8
5.6
5.4
5.3
5
4.5
3.9
3.1
2.1
1.3
0.4
0.2
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 85
  
Blue-Green Dominance (% of NU): 22
  
          Carlson TSI: 38
                    Indiana TSI: 11
                                                                           
Blue-Greens (#/L): 1573   Greens (#/L): 69   Diatoms (#/L): 221   Other Algae (#/L): 5106   Rotifers (#/L): 152   Zooplankton (#/L): 152
 
 

1998

          
Sample Location: Deep Hole
Sample Date: 1998-07-13
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
32.9
7.8
92
42.75
113
8.6
7.46
335
270
121.3
151.3
0.01
0.181
0.039
0.206
1.24
0.022
0.131
0.018
0.425
0.231
0.603
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)
27.3
26.5
26
26
25.9
25.4
22.8
18.3
14.5
12
10
8
6.8
5.9
5.1
4.6
4.2
3.9
3.8
3.5
3.3
3.2
3.1
3.1
3.1
3
3
3
3
3
3
3
3
3
DO (mg/L)
9.1
8.9
9
9
9
8.3
11.7
11.5
11.2
10.2
10.1
9.5
8.7
8.1
7.9
7.9
8
7.7
7.4
7.4
7
6.4
5.6
5.3
4.8
4.3
4
2.5
1.8
1.4
0.5
0.3
0.2
0.1
                                                                           
% Water Column Oxic: 96.9
  
Blue-Green Dominance (% of NU): 95
  
          Carlson TSI: 40
                    Indiana TSI: 18
                                                                           
Blue-Greens (#/L): 6010   Greens (#/L): 19   Diatoms (#/L): 69   Other Algae (#/L): 212   Rotifers (#/L): 27   Zooplankton (#/L): 8.8
 
 

2004

          
Sample Location: Deep Hole
Sample Date: 2004-07-01
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
2004
32.3
5.6
65
43
116
8.4
8.1
316
231
125
156
0.019
0.13
0.036
0.139
1.61
0.013
0.103
0.162
0.633
0.351
1.067
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)
24.4
24
23.8
23.7
23.5
23.3
22.3
19.5
16.2
13.3
11.2
9.5
8.4
7.6
7.2
6.8
6.5
6.2
6.1
5.9
5.8
5.7
5.6
5.6
5.6
5.6
5.5
5.5
5.5
5.4
DO (mg/L)
9.4
9.7
9.8
9.9
9.8
9.9
9.6
11
10.1
7.8
7
7.3
6.7
7.6
7.7
7.5
7.3
7.4
7.3
6.8
6.1
6.1
5.4
4.7
4
3.5
3
2.2
1.2
0.3
                                                                           
% Water Column Oxic: 96
  
Blue-Green Dominance (% of NU): 61.5
  
          Carlson TSI: 42
                    Indiana TSI: 23
                                                                           
Blue-Greens (#/L): 10386   Greens (#/L): 1176   Diatoms (#/L): 395   Other Algae (#/L): 4898   Rotifers (#/L): 5   Zooplankton (#/L): 14.6
 
 

2008

          
Sample Location: Site 1
Sample Date: 2008-07-09
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
32
4.8
29
16
101.6
8.5
7.4
290.4
203.4
112.5
138
0.01
0.134
0.05
0.162
2.67
0.013
0.294
0.019
0.322
0.52
0.744
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)
25.3
25.3
25.3
25.3
25.3
24.1
22.8
18.1
12.9
10.2
8.4
7.3
6.6
6.4
5.9
5.8
5.7
5.5
5.4
5.3
5.3
5.2
5.1
5
5
5
4.9
4.9
4.9
4.9
4.9
DO (mg/L)
8.8
8.8
8.8
8.8
8.8
8.8
8.7
13.3
11.5
9.1
7.3
4.9
4.7
4.9
4.6
4.6
4.6
4.5
4.5
4.4
4.4
4
4
3.7
3.7
2.2
1.8
1.3
0.7
0.2
0
                                                                           
% Water Column Oxic: 81.2
  
Blue-Green Dominance (% of NU): 51.6
  
          Carlson TSI: 46
                    Indiana TSI: 22
                                                                           
Blue-Greens (#/L): 4312   Greens (#/L): 534   Diatoms (#/L): 363   Other Algae (#/L): 3063   Rotifers (#/L): 75   Zooplankton (#/L): 11.1
 
 

2008

          
Sample Location: Site 2
Sample Date: 2008-07-09
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
15
3.9
33.8
24
91.4
8.5
7.4
293.7
220.4
113.5
140
0.01
0.109
0.035
0.169
1.73
0.013
0.013
0.018
0.402
0.395
0.542
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)
25.5
25.4
25.4
25.3
24.8
24.3
22.7
19.2
13.1
9.8
8.6
8
7.5
7.4
7.3
DO (mg/L)
8.5
8.6
8.6
8.6
8.5
8.4
8.4
12
11.3
6.5
3.2
1.04
0.6
0
0
                                                                           
% Water Column Oxic: 66.7
  
Blue-Green Dominance (% of NU): 53.9
  
          Carlson TSI: 44
                    Indiana TSI: 20
                                                                           
Blue-Greens (#/L): 2422   Greens (#/L): 32   Diatoms (#/L): 428   Other Algae (#/L): 1591   Rotifers (#/L): 8   Zooplankton (#/L): 10.4
 
 

2008

          
Sample Location: Site 3
Sample Date: 2008-07-09
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
0.2
4.7
22
23.5
88.1
8.5
7.4
290.7
202.8
115
132
0.01
0.065
0.053
0.089
1.68
0.013
0.432
0.018
0.066
0.494
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)
25.3
25.3
25.3
25.3
25.2
24.3
23.1
17.9
12.8
10.2
8.3
7.5
6.8
6.6
6.3
6
5.7
5.6
5.6
5.4
5.3
5.3
DO (mg/L)
8.6
8.6
8.5
8.5
8.5
8.4
8.3
12.5
11.8
9.7
4.8
4.4
3.9
3.8
3.7
4.1
4.1
4.1
4.1
3.7
3.6
3.3
                                                                           
% Water Column Oxic: 100
  
Blue-Green Dominance (% of NU): 43.8
  
          Carlson TSI: 45
                    Indiana TSI: 10
                                                                           
Blue-Greens (#/L): 5216   Greens (#/L): 1003   Diatoms (#/L): 664   Other Algae (#/L): 4864   Rotifers (#/L): 135   Zooplankton (#/L): 14.3
 
 

 

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)