Indiana Clean Lakes Program Lake Report |
Big |
Noble County |
|||||||||||||||||||||||||||||||||||
1990 |
Sample Location: Deep Hole |
Sample Date: 1990-07-02 |
|||||||||||||||||||||||||||||||||||
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 |
21.3 |
1.9 |
37 |
12.5
|
115 |
8.4 |
7.1 |
450 |
380 |
140.4 |
176.3 |
0.008 |
0.336 |
0.029 |
0.088 |
2.031 |
0.959 |
0.025 |
0.959 |
2.11 |
1.353 |
||||||||||||||||
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) |
25.5 |
24 |
20 |
17.5 |
15 |
11.5 |
9 |
8 |
7 |
7 |
7 |
7 |
6 |
6 |
6 |
6 |
6 |
6 |
6 |
6 |
6 |
||||||||||||||||
DO (mg/L) |
9.4 |
9.5 |
7 |
0.6 |
0.2 |
0.1 |
1.1 |
2 |
2 |
2 |
2.3 |
2.5 |
1.7 |
0.7 |
0.2 |
0.2 |
0.15 |
0.15 |
0.15 |
0.1 |
0.1 |
||||||||||||||||
% Water Column Oxic: 90 |
Blue-Green Dominance (% of NU): 99 |
Carlson TSI: 52 | |||||||||||||||||||||||||||||||||||
| Indiana TSI: 52 | |||||||||||||||||||||||||||||||||||||
| Blue-Greens (#/L): 1181714 | Greens (#/L): 4857 | Diatoms (#/L): 3885 | Other Algae (#/L): 1943 | Rotifers (#/L): 348 | Zooplankton (#/L): 0 | ||||||||||||||||||||||||||||||||
1994 |
Sample Location: Deep Hole |
Sample Date: 1994-07-18 |
|||||||||||||||||||||||||||||||||||
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 |
21.3 |
2.8 |
38 |
15
|
115 |
8.6 |
7.7 |
460 |
370 |
153 |
168.5 |
0.006 |
0.229 |
0.01 |
0.274 |
7.73 |
0.51 |
0.35 |
0.018 |
0.404 |
0.306 |
0.548 |
|||||||||||||||
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 |
28.5 |
28.5 |
28 |
27.5 |
25.5 |
23 |
18.5 |
15 |
13.5 |
12.5 |
12 |
11.5 |
10.5 |
10 |
9 |
9 |
9 |
8.5 |
8.5 |
8.5 |
8.5 |
8.5 |
||||||||||||||
DO (mg/L) |
9.6 |
9.5 |
9.5 |
9.4 |
9.4 |
1.5 |
0.7 |
0.3 |
0.3 |
0.3 |
0.3 |
0.3 |
0.3 |
0.3 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
||||||||||||||
% Water Column Oxic: 60 |
Blue-Green Dominance (% of NU): 69 |
Carlson TSI: 44 | |||||||||||||||||||||||||||||||||||
| Indiana TSI: 27 | |||||||||||||||||||||||||||||||||||||
| Blue-Greens (#/L): 13545 | Greens (#/L): 787 | Diatoms (#/L): 331 | Other Algae (#/L): 4557 | Rotifers (#/L): 0 | Zooplankton (#/L): 292 | ||||||||||||||||||||||||||||||||
1998 |
Sample Location: Deep Hole |
Sample Date: 1998-07-13 |
|||||||||||||||||||||||||||||||||||
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 |
21.3 |
2.2 |
28 |
13.25
|
139 |
8.76 |
7.38 |
420 |
220 |
143.2 |
175 |
0.01 |
0.427 |
0.019 |
0.466 |
7.83 |
0.352 |
0.305 |
0.018 |
0.847 |
0.849 |
2.117 |
|||||||||||||||
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) |
27.1 |
26 |
26 |
26 |
25 |
20.5 |
15.5 |
10.5 |
9 |
8 |
7 |
6.5 |
6 |
5.3 |
5 |
4.5 |
4.2 |
4 |
4 |
4 |
4 |
4 |
4 |
||||||||||||||
DO (mg/L) |
10.6 |
11.2 |
11.1 |
10.9 |
9.8 |
0.6 |
0.2 |
0.2 |
0.8 |
0.8 |
0.6 |
0.6 |
0.3 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
||||||||||||||
% Water Column Oxic: 52.4 |
Blue-Green Dominance (% of NU): 94 |
Carlson TSI: 49 | |||||||||||||||||||||||||||||||||||
| Indiana TSI: 37 | |||||||||||||||||||||||||||||||||||||
| Blue-Greens (#/L): 31766 | Greens (#/L): 372 | Diatoms (#/L): 325 | Other Algae (#/L): 1068 | Rotifers (#/L): 279 | Zooplankton (#/L): 32.8 | ||||||||||||||||||||||||||||||||
2004 |
Sample Location: Deep Hole |
Sample Date: 2004-08-02 |
|||||||||||||||||||||||||||||||||||
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 |
|||||||||||||||
2004 |
21.3 |
0.7 |
33 |
10.2
|
135.8 |
8.9 |
7.55 |
410.8 |
346.1 |
132 |
188 |
0.01 |
0.254 |
0.051 |
0.297 |
16.71 |
0.013 |
0.013 |
0.018 |
1.473 |
1.442 |
2.381 |
|||||||||||||||
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) |
27.7 |
27.5 |
26.5 |
25.4 |
23.5 |
22.1 |
17.6 |
16.2 |
14.3 |
11.3 |
10.2 |
9.3 |
8.9 |
8.3 |
7.9 |
7.5 |
7.3 |
7.1 |
7 |
6.9 |
|||||||||||||||||
DO (mg/L) |
11.4 |
11.3 |
10.9 |
9.4 |
3.2 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|||||||||||||||||
% Water Column Oxic: 17 |
Blue-Green Dominance (% of NU): 63.6 |
Carlson TSI: 61 | |||||||||||||||||||||||||||||||||||
| Indiana TSI: 40 | |||||||||||||||||||||||||||||||||||||
| Blue-Greens (#/L): 4157 | Greens (#/L): 430 | Diatoms (#/L): 1522 | Other Algae (#/L): 364 | Rotifers (#/L): 33 | Zooplankton (#/L): 25.4 | ||||||||||||||||||||||||||||||||
2010 |
Sample Location: Deep Hole |
Sample Date: 2010-08-10 |
|||||||||||||||||||||||||||||||||||
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 |
|||||||||||||||
2010 |
22.9 |
1 |
7 |
8.2
|
110.8 |
8.6 |
7.4 |
372 |
285 |
138 |
194 |
0.01 |
0.382 |
0.035 |
0.427 |
13.86 |
0.013 |
0.013 |
0.026 |
1.416 |
1.305 |
2.621 |
|||||||||||||||
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) |
27.4 |
27.6 |
27.5 |
27 |
26.7 |
23.7 |
18 |
14.1 |
11 |
9.6 |
8.3 |
7.9 |
7.5 |
7.2 |
6.8 |
6.3 |
6 |
5.9 |
5.7 |
5.6 |
5.5 |
5.4 |
5.3 |
||||||||||||||
DO (mg/L) |
8.9 |
8.6 |
8.8 |
7.9 |
7.5 |
0.1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
||||||||||||||
% Water Column Oxic: 13 |
Blue-Green Dominance (% of NU): 99.8 |
Blue-Green Dominance (% of cells): 97.91 |
Carlson TSI: 57 | ||||||||||||||||||||||||||||||||||
| Indiana TSI: 62 | |||||||||||||||||||||||||||||||||||||
| Blue-Greens (#/L): 8599740 | Greens (#/L): 49998 | Diatoms (#/L): 116663 | Other Algae (#/L): 16666 | Rotifers (#/L): 0 | Zooplankton (#/L): 3 | ||||||||||||||||||||||||||||||||
| Blue-Greens (cells/L): 86877 | Greens (cells/L): 50 | Diatoms (cells/L): 117 | Other Algae (cells/L): 17 | Rotifers (cells/L): 0 | Zooplankton (cells/L): 0 | ||||||||||||||||||||||||||||||||
| 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) | ||