Clean Lakes Program: Izaak Walton (Lazy L) - Vigo County

 

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Indiana Clean Lakes Program Lake Report

Izaak Walton (Lazy L)

  

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
31
1
45
13
95
8.3
7.1
448
750
152.2
273
0.01
0.075
0.022
0.08
2.965
0.434
0.029
2.532
2.031
2.751
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)
23.3
23
22.3
19.8
15.3
11.5
10.7
9.8
9
DO (mg/L)
8.5
7.8
4.1
0.4
0.3
0.3
0.3
0.3
0.3
                                                                           
% Water Column Oxic: 100
  
Blue-Green Dominance (% of NU): 11
  
          Carlson TSI: 55
                    Indiana TSI: 23
                                                                           
Blue-Greens (#/L): 126   Greens (#/L): 73   Diatoms (#/L): 513   Other Algae (#/L): 125   Rotifers (#/L): 302   Zooplankton (#/L): 0
 
 

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
8.2
0.7
16
9
117
8.6
7
498
355
127
185
0.02
0.199
0.092
0.372
40.34
0.022
0.022
0.018
1.163
0.978
4.249
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)
33.4
32.7
32
31.6
29.5
23.7
17.2
13
10.6
9.9
DO (mg/L)
9.1
9.8
8.75
5.15
0.21
0.15
0.17
0.18
0.18
0.18
                                                                           
% Water Column Oxic: 36
  
Blue-Green Dominance (% of NU): 26
  
          Carlson TSI: 67
                    Indiana TSI: 27
                                                                           
Blue-Greens (#/L): 126   Greens (#/L): 7   Diatoms (#/L): 126   Other Algae (#/L): 66   Rotifers (#/L): 159   Zooplankton (#/L): 2.1
 
 

 

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)