Clean Lakes Program: South - Vigo 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

South

  

Vigo County

1990

          
Sample Location: Deep Hole
Sample Date: 1990-07-23
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
4
0.8
20
11
65
7.8
7.4
455
450
154.3
154.3
0.01
0.01
0.048
0.016
3.168
3.523
0.308
0.286
2.036
2.031
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
24.5
24.5
24
DO (mg/L)
6
5
4.7
4.1
                                                                           
% Water Column Oxic: 100
  
Blue-Green Dominance (% of NU): 2
  
          Carlson TSI: 62
                    Indiana TSI: 18
                                                                           
Blue-Greens (#/L): 15   Greens (#/L): 15   Diatoms (#/L): 167   Other Algae (#/L): 76   Rotifers (#/L): 715   Zooplankton (#/L): 0
 
 

1997

          
Sample Location: Deep Hole
Sample Date: 1997-07-15
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
4
0.5
19
8
137.8
8.69
7.59
421
435
133.2
145.9
0.01
0.01
0.08
0.08
32.23
3.302
3.057
0.018
0.31
1.09
1.136
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)
31
29.9
28.1
27.8
26.9
24.1
DO (mg/L)
13.9
12.9
10.6
7.5
1.5
0.1
                                                                           
% Water Column Oxic: 75
  
Blue-Green Dominance (% of NU): 14
  
          Carlson TSI: 67
                    Indiana TSI: 25
                                                                           
Blue-Greens (#/L): 595   Greens (#/L): 37   Diatoms (#/L): 1487   Other Algae (#/L): 1636   Rotifers (#/L): 595   Zooplankton (#/L): 1.2
 
 

1999

          
Sample Location: Deep Hole
Sample Date: 1999-07-26
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
1999
4
0.8
10
7
77.1
9.1
7.9
387
386
111
105
0.015
0.017
0.096
0.1
39.69
0.022
0.022
0.018
0.018
1.355
1.063
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)
33.3
32.6
31.5
31.1
30.1
DO (mg/L)
13.75
10.35
5.62
4.45
0.15
                                                                           
% Water Column Oxic: 51
  
Blue-Green Dominance (% of NU): 18
  
          Carlson TSI: 67
                    Indiana TSI: 18
                                                                           
Blue-Greens (#/L): 228   Greens (#/L): 30   Diatoms (#/L): 455   Other Algae (#/L): 121   Rotifers (#/L): 410   Zooplankton (#/L): 2.8
 
 

 

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)