Clean Lakes Program: Little Crooked - Whitley County

 

Go back to the Indiana Clean Lakes Website

Go back to the Indiana Map to select another county

Indiana Clean Lakes Program Lake Report

Little Crooked

 

Whitley County

1990

         
Sample Location: Deep Hole
Sample Date: 1990-07-02
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
108
2.9
48
15
106
7.7
6.9
410
330
149.6
201.8
0.01
0.792
0.036
0.666
0.989
0.298
0.054
2.996
1.14
1.668
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
22
16
11.5
8
6
5
5
4.5
4
4
4
4
4
4
DO (mg/L)
7.2
10.9
11.5
6.9
1.7
1.2
0.3
0.3
0.2
0.2
0.2
0.1
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 73
 
Blue-Green Dominance (% of NU): 97
 
          Carlson TSI: 51
                    Indiana TSI: 56
                                                                           
Blue-Greens (#/L): 1213498   Greens (#/L): 11110   Diatoms (#/L): 5092   Other Algae (#/L): 21757   Rotifers (#/L): 1031   Zooplankton (#/L): 0
 
 

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
15.3
3.5
44
18
105
8.4
7
370
365
141
239.8
0.01
1.219
0.01
1.815
4.09
0.335
0.022
0.018
5.792
0.286
6.082
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
24.5
17.5
12.5
10.5
8.5
8
7.5
6.5
6.5
6.5
6.5
6.5
DO (mg/L)
8.8
8.8
8.7
8.1
7.4
1.8
1.6
1.6
1.2
0.4
0.2
0.1
0.1
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 56
 
Blue-Green Dominance (% of NU): 72
 
          Carlson TSI: 41
                    Indiana TSI: 30
                                                                           
Blue-Greens (#/L): 12838   Greens (#/L): 30   Diatoms (#/L): 91   Other Algae (#/L): 4467   Rotifers (#/L): 0   Zooplankton (#/L): 466
 
 

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
15.54
2.7
55
14.5
113
8.48
6.97
370
190
134.4
239.3
0.01
1.561
0.034
2.576
4.06
0.022
0.022
0.055
7.162
0.476
7.824
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)
28.8
26
25.6
25
18.4
11.2
6.5
4.3
3.6
3.1
3
3
3
3
2.9
2.9
2.9
DO (mg/L)
8.7
9.4
9.2
10.4
4.9
1.3
0.4
0.2
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 40
 
Blue-Green Dominance (% of NU): 71
 
          Carlson TSI: 48
                    Indiana TSI: 31
                                                                           
Blue-Greens (#/L): 9675   Greens (#/L): 45   Diatoms (#/L): 104   Other Algae (#/L): 3641   Rotifers (#/L): 119   Zooplankton (#/L): 20.5
 
 

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
15.8
0.9
21
11
213
9.1
7.2
327.6
398.3
120
239
0.023
1.375
0.071
1.819
21.62
0.013
0.013
5.955
0.271
1.287
8.516
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)
24.3
24.1
22.9
21.4
16.6
12.3
7.3
5.4
4.9
4.5
4.3
4.3
4.3
4.3
4.3
4.3
DO (mg/L)
17.3
17.4
18
8.5
0
0
0
0
0
0
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 14
 
Blue-Green Dominance (% of NU): 26.5
 
          Carlson TSI: 63
                    Indiana TSI: 39
                                                                           
Blue-Greens (#/L): 9588   Greens (#/L): 2391   Diatoms (#/L): 610   Other Algae (#/L): 23512   Rotifers (#/L): 0   Zooplankton (#/L): 32.8
 
 

 

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)