Indiana Clean Lakes Program Lake Report |
Black |
Whitley County |
|||||||||||||||||||||||||||||||||||
1994 |
Sample Location: Deep Hole |
Sample Date: 1994-07-26 |
|||||||||||||||||||||||||||||||||||
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 |
|||||||||||||||
1994 |
10.7 |
0.5 |
20 |
4
|
106 |
9 |
7.2 |
340 |
330 |
128.6 |
220 |
0.01 |
0.753 |
0.01 |
0.833 |
55.19 |
0.81 |
0.022 |
0.02 |
4 |
1.866 |
2.514 |
|||||||||||||||
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) |
29.5 |
27.5 |
27 |
24.5 |
20.8 |
16.5 |
12.5 |
11 |
10.5 |
9.5 |
|||||||||||||||||||||||||||
DO (mg/L) |
160 |
11.6 |
9 |
0.4 |
0.1 |
0.1 |
0.1 |
0.2 |
0.2 |
0.2 |
|||||||||||||||||||||||||||
% Water Column Oxic: 27 |
Blue-Green Dominance (% of NU): 77 |
Carlson TSI: 59 | |||||||||||||||||||||||||||||||||||
Indiana TSI: 61 | |||||||||||||||||||||||||||||||||||||
Blue-Greens (#/L): 168248 | Greens (#/L): 182 | Diatoms (#/L): 0 | Other Algae (#/L): 46250 | Rotifers (#/L): 0 | Zooplankton (#/L): 4245 | ||||||||||||||||||||||||||||||||
1998 |
Sample Location: Deep Hole |
Sample Date: 1998-07-27 |
|||||||||||||||||||||||||||||||||||
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 |
|||||||||||||||
1998 |
10.7 |
0.5 |
5 |
4.5
|
135 |
8.79 |
7.2 |
423 |
299 |
163.4 |
174.7 |
0.01 |
0.87 |
0.098 |
0.984 |
95.03 |
1.268 |
0.056 |
0.047 |
3.424 |
2.591 |
4.217 |
|||||||||||||||
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) |
27.3 |
25 |
24.7 |
24.1 |
21.4 |
14.6 |
10.8 |
9.2 |
8.7 |
8.4 |
8.2 |
8 |
|||||||||||||||||||||||||
DO (mg/L) |
18.19 |
12.01 |
10.97 |
2.13 |
0.43 |
0.01 |
0.01 |
0.01 |
0.01 |
0.01 |
0.01 |
0.01 |
|||||||||||||||||||||||||
% Water Column Oxic: 30 |
Blue-Green Dominance (% of NU): 98 |
Carlson TSI: 72 | |||||||||||||||||||||||||||||||||||
Indiana TSI: 68 | |||||||||||||||||||||||||||||||||||||
Blue-Greens (#/L): 530568 | Greens (#/L): 566 | Diatoms (#/L): 0 | Other Algae (#/L): 7353 | Rotifers (#/L): 566 | Zooplankton (#/L): 90.1 | ||||||||||||||||||||||||||||||||
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) |