Clean Lakes Program: Henderson - Noble County

 

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Indiana Clean Lakes Program Lake Report

Henderson

  

Noble County

1990

          
Sample Location: Deep Hole
Sample Date: 1990-07-18
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
3.4
0.5
15
6.5
85
7.2
7.1
1080
1000
215.2
224.7
0.013
0.013
0.138
0.041
6.655
5.858
0.333
1.015
2.297
2.292
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)
21
19
19
DO (mg/L)
12.2
3.2
1.5
                                                                           
% Water Column Oxic: 100
  
Blue-Green Dominance (% of NU): 41
  
          Carlson TSI: 73
                    Indiana TSI: 26
                                                                           
Blue-Greens (#/L): 6693   Greens (#/L): 2518   Diatoms (#/L): 5642   Other Algae (#/L): 34   Rotifers (#/L): 1397   Zooplankton (#/L): 0
 
 

1993

          
Sample Location: Deep Hole
Sample Date: 1993-08-10
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
1993
3.4
0.5
8
5
164
8.3
7.6
1300
1250
190.5
205.5
0.01
0.01
0.149
0.142
92.7
2.62
3.214
0.066
0.436
1.831
1.395
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)
23
22.5
22.5
22
21.5
DO (mg/L)
15
15
14.6
10.6
0.5
                                                                           
% Water Column Oxic: 100
  
Blue-Green Dominance (% of NU): 5
  
          Carlson TSI: 74
                    Indiana TSI: 44
                                                                           
Blue-Greens (#/L): 9119   Greens (#/L): 118256   Diatoms (#/L): 25629   Other Algae (#/L): 31100   Rotifers (#/L): 3713   Zooplankton (#/L): 0
 
 

2000

          
Sample Location: Deep Hole
Sample Date: 2000-07-18
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
2000
3.4
0.4
8.5
6
160.3
8.3
1600
1603
182
0.01
0.177
42.12
4.886
0.121
2.123
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
26
24.1
24.8
DO (mg/L)
16.7
15.6
12.9
10.7
                                                                           
% Water Column Oxic: 100
  
Blue-Green Dominance (% of NU): 28
  
          Carlson TSI: 73
                    Indiana TSI: 27
                                                                           
Blue-Greens (#/L): 3097   Greens (#/L): 3191   Diatoms (#/L): 1595   Other Algae (#/L): 1126   Rotifers (#/L): 1126   Zooplankton (#/L): 813.8
 
 

 

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)