Clean Lakes Program: Little Knapp - Noble County

 

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Indiana Clean Lakes Program Lake Report

Little Knapp

 

Noble County

2003

         
Sample Location: Deep Hole
Sample Date: 2003-08-12
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
2003
4.3
2.7
35
14
68
7.8
7.8
694
674
311
314
0.024
0.028
0.03
0.044
4.16
3.997
3.723
0.132
0.273
1.055
1.291
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)
20.4
18.8
18.4
18.2
17.7
DO (mg/L)
7.3
6.8
6.4
6
4.4
                                                                           
% Water Column Oxic: 100
 
Blue-Green Dominance (% of NU): 14
 
          Carlson TSI: 48
                    Indiana TSI: 12
                                                                           
Blue-Greens (#/L): 491   Greens (#/L): 103   Diatoms (#/L): 662   Other Algae (#/L): 2248   Rotifers (#/L): 23   Zooplankton (#/L): 47.6
 
 

2012

         
Sample Location: Deep Hole
Sample Date: 2012-06-26
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
2012
3.96
2.15
3.89
8.25
171.5
8.1
7.7
608
595
293
299
0.01
0.01
0.04
0.154
8.94
2.091
2.098
0.018
0.018
0.552
2.29
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)
24.5
24
23.8
23.1
21.7
20
DO (mg/L)
15.57
14.71
15.03
15.9
3.91
0.91
                                                                           
% Water Column Oxic: 50
 
Blue-Green Dominance (% of NU): 44.3
 
Blue-Green Dominance (% of cells): 6.1
          Carlson TSI: 57
                   
                                                                           
Blue-Greens (#/L): 1867   Greens (#/L): 6133   Diatoms (#/L): 6534   Other Algae (#/L): 15870   Rotifers (#/L): 95   Zooplankton (#/L): 95
Blue-Greens (cells/L): 39   Greens (cells/L): 24   Diatoms (cells/L): 9   Other Algae (cells/L): 16   Rotifers (cells/L): 0   Zooplankton (cells/L): 0
 
 

2014

         
Sample Location: Deep Hole
Sample Date: 2014-06-30
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
2014
4.6
1.5
8.2
7.8
660
700
282
281
0.01
0.01
0.046
0.076
18.16
3.172
3.051
0.085
0.557
0.871
1.576
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)
22.9
21.1
19.5
16.4
14.2
DO (mg/L)
15.5
15.6
15.6
4.4
2.2
                                                                           
% Water Column Oxic:
 
Blue-Green Dominance (% of NU): 2.9
 
Blue-Green Dominance (% of cells): 1.8
          Carlson TSI: 59
                   
                                                                           
Blue-Greens (#/L): 712   Greens (#/L):   Diatoms (#/L): 36137   Other Algae (#/L): 712   Rotifers (#/L): 520   Zooplankton (#/L): 418
Blue-Greens (cells/L): 6   Greens (cells/L):   Diatoms (cells/L): 201   Other Algae (cells/L): 0   Rotifers (cells/L): 1   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)