Clean Lakes Program: Green - Lagrange County

 

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Indiana Clean Lakes Program Lake Report

Green

  

Lagrange County

1993

          
Sample Location: Deep Hole
Sample Date: 1993-07-05
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
2.3
56
99
8.1
8.1
435
400
149.5
151
0.01
0.01
0.092
0.144
1.6
0.028
0.022
0.031
0.019
0.365
0.405
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)
26.8
26.7
26.6
24.8
22
DO (mg/L)
7.9
8
8.2
7.8
8.7
                                                                           
% Water Column Oxic: 100
  
Blue-Green Dominance (% of NU): 60
  
          Carlson TSI: 51
                    Indiana TSI: 16
                                                                           
Blue-Greens (#/L): 2058   Greens (#/L): 118   Diatoms (#/L): 588   Other Algae (#/L): 294   Rotifers (#/L): 391   Zooplankton (#/L): 0
 
 

1997

          
Sample Location: Deep Hole
Sample Date: 1997-08-25
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
1997
3.4
2
27
8
91.5
7.29
35
133.9
0.01
0.015
5.55
0.022
0.044
1.6
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
20
20
20
DO (mg/L)
8.21
8.2
8.32
8.3
                                                                           
% Water Column Oxic: 100
  
Blue-Green Dominance (% of NU): 55
  
          Carlson TSI: 47
                    Indiana TSI: 17
                                                                           
Blue-Greens (#/L): 1397   Greens (#/L): 120   Diatoms (#/L): 239   Other Algae (#/L): 559   Rotifers (#/L): 160   Zooplankton (#/L): 78.6
 
 

2011

          
Sample Location: Deep Hole
Sample Date: 2011-07-05
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
2011
3.66
1.7
46.4
3.66
69.8
8
531
174
0.01
0.02
4.67
0.46245
0.13401
0.957933
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)
30.1
30.1
28.1
27.3
25.2
DO (mg/L)
6.04
5.54
6.69
6.39
2.77
                                                                           
% Water Column Oxic: 81.9
  
Blue-Green Dominance (% of NU): 80.4
  
Blue-Green Dominance (% of cells): 86.2
           Carlson TSI: 48
                   
                                                                           
Blue-Greens (#/L): 34201615   Greens (#/L): 5207593   Diatoms (#/L): 77436   Other Algae (#/L): 212950   Rotifers (#/L): 99   Zooplankton (#/L): 261.7
Blue-Greens (cells/L): 34202   Greens (cells/L): 6957   Diatoms (cells/L): 98   Other Algae (cells/L): 1278   Rotifers (cells/L): 0.0991   Zooplankton (cells/L): 0.2617
 
 

 

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)