Clean Lakes Program: Loon - Sullivan County

 

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Indiana Clean Lakes Program Lake Report

Loon

 

Sullivan County

1999

         
Sample Location: Deep Hole
Sample Date: 1999-08-09
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
23.8
3.7
43
36
108
8.5
7.2
750
485
96
115
0.012
0.013
0.059
0.024
0.62
0.022
0.022
0.018
0.018
0.411
0.403
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)
28.4
28.6
28.4
28.3
28.2
28.1
28.1
27.3
22.4
18.6
15
11.2
9.6
8.8
8.4
8.1
7.8
7.7
7.4
7.3
7.2
7.1
7.1
7
7
DO (mg/L)
8.4
8.5
8.4
8.3
8.4
8.4
8.4
9.5
10
10.6
10.1
8.2
6.8
5.9
5.9
5.5
5.7
5.5
5.2
5.1
4.8
4.6
4.5
4.4
2.2
                                                                           
% Water Column Oxic: 100
 
Blue-Green Dominance (% of NU): 22
 
          Carlson TSI: 43
                    Indiana TSI: 5
                                                                           
Blue-Greens (#/L): 18   Greens (#/L): 0   Diatoms (#/L): 2   Other Algae (#/L): 48   Rotifers (#/L): 14   Zooplankton (#/L): 1.6
 
 

 

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)