Clean Lakes Program: Walnut - Sullivan County

 

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Indiana Clean Lakes Program Lake Report

Walnut

 

Sullivan County

2001

         
Sample Location: Deep Hole
Sample Date: 2001-07-17
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
2001
5.5
4.5
60
16
69
7.85
7.8
2300
2400
196
198
0.01
0.01
0.019
0.031
1.18
0.013
0.013
0.099
0.079
0.288
0.47
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)
26.7
26.3
26.2
26.1
25.9
25.7
25
DO (mg/L)
6.1
5.7
5.7
5.6
5.6
6.3
1.8
                                                                           
% Water Column Oxic: 100
 
Blue-Green Dominance (% of NU): 0
 
          Carlson TSI: 39
                    Indiana TSI: 4
                                                                           
Blue-Greens (#/L): 55   Greens (#/L): 0   Diatoms (#/L): 42   Other Algae (#/L): 15282   Rotifers (#/L): 28   Zooplankton (#/L): 10.4
 
 

2014

         
Sample Location: Deep hole
Sample Date: 2014-07-29
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
5.94
1.4
34.46
14.76
7.8
7.3
2170
2370
166
242
0.01
0.041
0.01
0.037
3.18
0.013
0.013
0.018
0.17
0.456
0.727
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)
24.91
24.65
24.54
24.3
22.56
DO (mg/L)
5.7
5.7
5.8
1.4
0.2
                                                                           
% Water Column Oxic:
 
Blue-Green Dominance (% of NU):
 
Blue-Green Dominance (% of cells):
          Carlson TSI: 49
                   
                                                                           
Blue-Greens (#/L):   Greens (#/L):   Diatoms (#/L): 177   Other Algae (#/L): 274   Rotifers (#/L): 1996   Zooplankton (#/L): 361
Blue-Greens (cells/L):   Greens (cells/L):   Diatoms (cells/L): 0   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)