Indiana Clean Lakes Program Lake Report |
Blackman |
Lagrange County |
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1989 |
Sample Location: Deep Hole |
Sample Date: 1989-07-25 |
|||||||||||||||||||||||||||||||||||
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 |
|||||||||||||||
1989 |
18.3 |
2.5 |
38 |
20.5
|
101 |
7.5 |
6.3 |
330 |
340 |
142 |
182 |
0.01 |
0.007 |
0.014 |
0.038 |
0.398 |
0.396 |
0.028 |
0.952 |
1.369 |
2.067 |
||||||||||||||||
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 |
25 |
24 |
20 |
16 |
13 |
10.5 |
9 |
8 |
8 |
8 |
8 |
7.5 |
7.5 |
|||||||||||||||||||||||
DO (mg/L) |
8.1 |
8.3 |
7.8 |
7.5 |
5.3 |
0.5 |
0.3 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.1 |
0.1 |
|||||||||||||||||||||||
% Water Column Oxic: 86 |
Blue-Green Dominance (% of NU): 87 |
Carlson TSI: 45 | |||||||||||||||||||||||||||||||||||
| Indiana TSI: 21 | |||||||||||||||||||||||||||||||||||||
| Blue-Greens (#/L): 7051 | Greens (#/L): 26 | Diatoms (#/L): 234 | Other Algae (#/L): 364 | Rotifers (#/L): 419 | Zooplankton (#/L): 0 | ||||||||||||||||||||||||||||||||
1993 |
Sample Location: Deep Hole |
Sample Date: 1993-07-26 |
|||||||||||||||||||||||||||||||||||
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 |
|||||||||||||||
1993 |
18.3 |
4.25 |
75 |
20.5
|
98 |
8.5 |
7.6 |
349 |
319 |
126.5 |
172 |
0.01 |
0.229 |
0.014 |
0.295 |
1.04 |
0.119 |
0.022 |
0.025 |
1.069 |
0.588 |
0.821 |
|||||||||||||||
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) |
26 |
26 |
26 |
25 |
23.2 |
19 |
16 |
12.5 |
10.4 |
9.3 |
8.3 |
8 |
7.8 |
7.5 |
7.5 |
7.5 |
7.5 |
7.5 |
7.5 |
||||||||||||||||||
DO (mg/L) |
8.2 |
8.2 |
8.2 |
8 |
7.5 |
0.6 |
0.3 |
0.4 |
0.3 |
0.5 |
0.1 |
0.1 |
0.1 |
0 |
0 |
0 |
0 |
0 |
0 |
||||||||||||||||||
% Water Column Oxic: 50 |
Blue-Green Dominance (% of NU): 27 |
Carlson TSI: 37 | |||||||||||||||||||||||||||||||||||
| Indiana TSI: 13 | |||||||||||||||||||||||||||||||||||||
| Blue-Greens (#/L): 2287 | Greens (#/L): 112 | Diatoms (#/L): 957 | Other Algae (#/L): 4859 | Rotifers (#/L): 311 | Zooplankton (#/L): 0 | ||||||||||||||||||||||||||||||||
2000 |
Sample Location: Deep Hole |
Sample Date: 2000-07-10 |
|||||||||||||||||||||||||||||||||||
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 |
|||||||||||||||
2000 |
18.3 |
2.1 |
27 |
13
|
103 |
8.7 |
7.6 |
342 |
273 |
107 |
145 |
0.01 |
0.147 |
0.031 |
0.182 |
4.09 |
0.022 |
0.022 |
0.039 |
0.816 |
1.058 |
1.502 |
|||||||||||||||
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) |
25.3 |
25.3 |
25.3 |
25.3 |
25.2 |
22.3 |
18.4 |
14.4 |
11.5 |
11.3 |
9.8 |
9 |
8.7 |
8.5 |
8.4 |
8.4 |
8.3 |
8.3 |
|||||||||||||||||||
DO (mg/L) |
8.4 |
8.5 |
8.4 |
8.5 |
8.4 |
6.1 |
1 |
0.4 |
0.4 |
0.4 |
0.4 |
0.4 |
0.4 |
0.4 |
0.4 |
0.4 |
0.4 |
0.4 |
|||||||||||||||||||
% Water Column Oxic: 31 |
Blue-Green Dominance (% of NU): 35 |
Carlson TSI: 49 | |||||||||||||||||||||||||||||||||||
| Indiana TSI: 20 | |||||||||||||||||||||||||||||||||||||
| Blue-Greens (#/L): 6726 | Greens (#/L): 175 | Diatoms (#/L): 7076 | Other Algae (#/L): 4379 | Rotifers (#/L): 666 | Zooplankton (#/L): 44.7 | ||||||||||||||||||||||||||||||||
2003 |
Sample Location: Deep Hole |
Sample Date: 2003-06-30 |
|||||||||||||||||||||||||||||||||||
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 |
|||||||||||||||
2003 |
16.7 |
6.9 |
60 |
28
|
105 |
8.7 |
7.5 |
349.6 |
276.3 |
116 |
156 |
0.01 |
0.195 |
0.01 |
0.218 |
1.35 |
0.013 |
0.013 |
0.024 |
1.062 |
0.756 |
1.82 |
|||||||||||||||
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) |
24.1 |
23.9 |
23.8 |
23.7 |
23.7 |
22.7 |
18.9 |
16 |
13.4 |
10.9 |
8.8 |
8.2 |
7.9 |
7.7 |
7.6 |
7.6 |
7.5 |
7.5 |
|||||||||||||||||||
DO (mg/L) |
8.6 |
8.7 |
8.9 |
8.9 |
8.8 |
10 |
7.7 |
0.3 |
0.2 |
0.1 |
0.2 |
0.1 |
0.1 |
0 |
0 |
0 |
0 |
0 |
|||||||||||||||||||
% Water Column Oxic: 29.9 |
Blue-Green Dominance (% of NU): 6 |
Carlson TSI: 34 | |||||||||||||||||||||||||||||||||||
| Indiana TSI: 17 | |||||||||||||||||||||||||||||||||||||
| Blue-Greens (#/L): 433 | Greens (#/L): 39 | Diatoms (#/L): 79 | Other Algae (#/L): 6905 | Rotifers (#/L): 0 | Zooplankton (#/L): 7.3 | ||||||||||||||||||||||||||||||||
2013 |
Sample Location: Deep Hole |
Sample Date: 2013-07-08 |
|||||||||||||||||||||||||||||||||||
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 |
|||||||||||||||
2013 |
16.5 |
1.35 |
10.7 |
11.5
|
6.7 |
6.3 |
353 |
416 |
122 |
152 |
0 |
0.068 |
0.014 |
0.093 |
11.05 |
0.013 |
0.013 |
0.157 |
0.334 |
0.585 |
1.174 |
||||||||||||||||
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) |
25.99 |
26 |
25.67 |
23 |
20.31 |
15.05 |
12.18 |
10.51 |
9.48 |
9.04 |
8.86 |
8.78 |
8.69 |
8.65 |
8.61 |
8.59 |
8.59 |
||||||||||||||||||||
DO (mg/L) |
9.81 |
9.88 |
8.82 |
5.51 |
2.31 |
2.98 |
2.24 |
0.55 |
0.25 |
0.16 |
0.14 |
0.11 |
0.11 |
0.12 |
0.11 |
0.1 |
0.11 |
||||||||||||||||||||
% Water Column Oxic: 36.36 |
Blue-Green Dominance (% of NU): 72.7 |
Blue-Green Dominance (% of cells): 55.3 |
Carlson TSI: 57 | ||||||||||||||||||||||||||||||||||
| Blue-Greens (#/L): 2733 | Greens (#/L): 1126 | Diatoms (#/L): 229 | Other Algae (#/L): 689 | Rotifers (#/L): 62 | Zooplankton (#/L): 100 | ||||||||||||||||||||||||||||||||
| Blue-Greens (cells/L): 24 | Greens (cells/L): 8 | Diatoms (cells/L): 0 | Other Algae (cells/L): 1 | Rotifers (cells/L): 0 | Zooplankton (cells/L): 0 | ||||||||||||||||||||||||||||||||
2015 |
Sample Location: deep hole |
Sample Date: 2015-07-06 |
|||||||||||||||||||||||||||||||||||
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 |
|||||||||||||||
2015 |
16.9 |
2.1 |
19.99 |
14.76
|
8.7 |
7.3 |
371 |
447 |
125 |
154 |
0.01 |
0.107 |
0.026 |
0.117 |
3.08 |
0.013 |
0.013 |
0.018 |
0.791 |
0.959 |
1.7845 |
||||||||||||||||
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) |
25.41 |
25.32 |
23.69 |
22.19 |
20.48 |
16.12 |
12.7 |
10.48 |
8.99 |
8 |
7.47 |
7.23 |
7.18 |
7.16 |
7.13 |
7.11 |
7.1 |
||||||||||||||||||||
DO (mg/L) |
10.03 |
10.25 |
11.12 |
10.19 |
7.08 |
6.19 |
0.81 |
0.42 |
0.17 |
0.14 |
0.15 |
0.14 |
0.11 |
0.13 |
0.12 |
0.11 |
0.08 |
||||||||||||||||||||
% Water Column Oxic: 29.59 |
Blue-Green Dominance (% of NU): |
Blue-Green Dominance (% of cells): |
Carlson TSI: 52 | ||||||||||||||||||||||||||||||||||
| Blue-Greens (#/L): | Greens (#/L): | Diatoms (#/L): | Other Algae (#/L): | Rotifers (#/L): | Zooplankton (#/L): | ||||||||||||||||||||||||||||||||
| Blue-Greens (cells/L): | Greens (cells/L): | Diatoms (cells/L): | Other Algae (cells/L): | Rotifers (cells/L): | Zooplankton (cells/L): | ||||||||||||||||||||||||||||||||
| 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) | ||