Indiana Clean Lakes Program Lake Report |
Lawrence |
Marshall County |
|||||||||||||||||||||||||||||||||||
1989 |
Sample Location: Deep Hole |
Sample Date: 1989-08-14 |
|||||||||||||||||||||||||||||||||||
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 |
19.2 |
2.1 |
40 |
14
|
95 |
7.3 |
6.5 |
330 |
280 |
174 |
212 |
0.01 |
0.243 |
0.036 |
0.28 |
2.294 |
3.367 |
0.043 |
2.196 |
1.132 |
3.663 |
||||||||||||||||
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) |
24.5 |
24.1 |
23.1 |
22.2 |
16.2 |
12 |
8.8 |
7 |
6.2 |
5.6 |
5.3 |
5.1 |
5 |
4.9 |
4.8 |
4.8 |
4.8 |
4.8 |
|||||||||||||||||||
DO (mg/L) |
8.1 |
7.9 |
6.8 |
7.7 |
18.6 |
1.5 |
0.3 |
0.2 |
0.2 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
|||||||||||||||||||
% Water Column Oxic: 50 |
Blue-Green Dominance (% of NU): 97 |
Carlson TSI: 53 | |||||||||||||||||||||||||||||||||||
| Indiana TSI: 32 | |||||||||||||||||||||||||||||||||||||
| Blue-Greens (#/L): 1704 | Greens (#/L): 0 | Diatoms (#/L): 0 | Other Algae (#/L): 0 | Rotifers (#/L): 47 | Zooplankton (#/L): 0 | ||||||||||||||||||||||||||||||||
1995 |
Sample Location: Deep Hole |
Sample Date: 1995-07-31 |
|||||||||||||||||||||||||||||||||||
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 |
|||||||||||||||
1995 |
19.2 |
3.4 |
25 |
21
|
101.3 |
8.2 |
6.7 |
431 |
320 |
149 |
191 |
0.01 |
0.166 |
0.01 |
0.197 |
6.27 |
0.022 |
0.022 |
0.018 |
1.285 |
0.572 |
2.065 |
|||||||||||||||
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) |
30.9 |
30.5 |
29.5 |
29.6 |
27.7 |
23.3 |
16.9 |
13.1 |
9.5 |
8.1 |
7.3 |
6.8 |
6.3 |
6 |
5.9 |
5.8 |
5.6 |
5.5 |
5.4 |
5.3 |
|||||||||||||||||
DO (mg/L) |
8.5 |
8.7 |
7.7 |
8 |
6.2 |
5.2 |
6.4 |
5.2 |
0.5 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
|||||||||||||||||
% Water Column Oxic: 100 |
Blue-Green Dominance (% of NU): 65 |
Carlson TSI: 43 | |||||||||||||||||||||||||||||||||||
| Indiana TSI: 26 | |||||||||||||||||||||||||||||||||||||
| Blue-Greens (#/L): 3254 | Greens (#/L): 380 | Diatoms (#/L): 903 | Other Algae (#/L): 321 | Rotifers (#/L): 107 | Zooplankton (#/L): 28.3 | ||||||||||||||||||||||||||||||||
1999 |
Sample Location: Deep Hole |
Sample Date: 2000-08-12 |
|||||||||||||||||||||||||||||||||||
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 |
19.2 |
2.9 |
35 |
25
|
95.4 |
8.6 |
7.3 |
381 |
294 |
126 |
184 |
0.026 |
0.135 |
0.029 |
0.248 |
2.6 |
0.022 |
0.022 |
0.018 |
1.349 |
0.493 |
2.106 |
|||||||||||||||
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) |
25.6 |
25.6 |
25.6 |
25.6 |
25.6 |
25.6 |
22.2 |
16.1 |
11.6 |
8.5 |
7.4 |
6.8 |
6.2 |
5.9 |
5.7 |
5.6 |
5.5 |
5.5 |
|||||||||||||||||||
DO (mg/L) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|||||||||||||||||||
% Water Column Oxic: 62.5 |
Blue-Green Dominance (% of NU): 12 |
Carlson TSI: 46 | |||||||||||||||||||||||||||||||||||
| Indiana TSI: 16 | |||||||||||||||||||||||||||||||||||||
| Blue-Greens (#/L): 105 | Greens (#/L): 60 | Diatoms (#/L): 501 | Other Algae (#/L): 187 | Rotifers (#/L): 29 | Zooplankton (#/L): 2.6 | ||||||||||||||||||||||||||||||||
2004 |
Sample Location: Deep Hole |
Sample Date: 2004-08-10 |
|||||||||||||||||||||||||||||||||||
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 |
|||||||||||||||
2004 |
19.2 |
2.7 |
55 |
30
|
101 |
8.5 |
8 |
377 |
277 |
148 |
182 |
0.022 |
0.276 |
0.025 |
0.354 |
2.5 |
0.013 |
0.013 |
0.044 |
1.4 |
0.565 |
2.207 |
|||||||||||||||
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) |
24.6 |
24.7 |
24.7 |
24.7 |
24.7 |
24.7 |
23 |
19.2 |
14.7 |
11.7 |
8.8 |
7.1 |
6.6 |
6.1 |
5.8 |
5.6 |
5.4 |
5.3 |
5.2 |
5.2 |
5.2 |
||||||||||||||||
DO (mg/L) |
8.2 |
8.3 |
8.3 |
8.3 |
8.3 |
8.3 |
5.2 |
3.5 |
1.2 |
0.1 |
2.3 |
0.9 |
0.6 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
||||||||||||||||
% Water Column Oxic: 47 |
Blue-Green Dominance (% of NU): 83.3 |
Carlson TSI: 46 | |||||||||||||||||||||||||||||||||||
| Indiana TSI: 26 | |||||||||||||||||||||||||||||||||||||
| Blue-Greens (#/L): 2370 | Greens (#/L): 78 | Diatoms (#/L): 218 | Other Algae (#/L): 167 | Rotifers (#/L): 9 | Zooplankton (#/L): 3.6 | ||||||||||||||||||||||||||||||||
2013 |
Sample Location: Deep Hole |
Sample Date: 2013-07-02 |
|||||||||||||||||||||||||||||||||||
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 |
|||||||||||||||
2013 |
19.2 |
3.6 |
40.9 |
21
|
7.8 |
7.2 |
404 |
479 |
139 |
178 |
0.002 |
0.242 |
0.018 |
0.253 |
4.29 |
0.013 |
0.013 |
0.018 |
1.036 |
0.369 |
1.549 |
||||||||||||||||
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) |
23.69 |
23.72 |
23.72 |
23.7 |
22.41 |
17.11 |
13.6 |
11.3 |
9.47 |
7.86 |
6.71 |
5.94 |
5.24 |
5.05 |
4.94 |
4.82 |
4.28 |
4.75 |
4.75 |
||||||||||||||||||
DO (mg/L) |
7.05 |
7.01 |
7.03 |
7.03 |
5.66 |
5.93 |
5.9 |
5.34 |
4.81 |
6.15 |
6.25 |
6.33 |
6.27 |
3.63 |
0.49 |
0.17 |
0.18 |
0.13 |
0.11 |
||||||||||||||||||
% Water Column Oxic: 67.71 |
Blue-Green Dominance (% of NU): 74.4 |
Blue-Green Dominance (% of cells): 28.3 |
Carlson TSI: 54 | ||||||||||||||||||||||||||||||||||
| Blue-Greens (#/L): 1231 | Greens (#/L): 1881 | Diatoms (#/L): 616 | Other Algae (#/L): 376 | Rotifers (#/L): 128 | Zooplankton (#/L): 124 | ||||||||||||||||||||||||||||||||
| Blue-Greens (cells/L): 32 | Greens (cells/L): 10 | Diatoms (cells/L): 1 | Other Algae (cells/L): 0 | 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) | ||