Branched Oak Lake at Liebers Pt. Beach (Sampling Site 5b) |
The table below shows the most recent sampling information
for toxic algae (Microcystin)
and bacteria (E.coli)
,
Samples are typically collected on Monday and posted on the
web site on Thursday or Friday.
On the table below, the level to trigger a toxic
algae Health Alert is 20 parts per billion
for the toxin Microcystin. Health Alerts stay in
effect until the level stays below 20 ppb for
two consecutive weeks |
|
In the Bacteria (E.coli) column, a single sample
of 235 counts (or higher) per 100 ml
is considered a higher risk for illness through
ingestion |
.
Week Starting |
Weekly Health Alert |
Level of Microcystin (ppb) |
E. coli (# per 100 ml) |
May 6, 2013 |
No |
0.06 |
4 |
May 13, 2013 |
No |
0.08 |
5 |
May 20, 2013 |
No |
0 |
12 |
May 27, 2013 |
No |
0.05 |
722 |
June 3, 2013 |
No |
0.08 |
27 |
June 10, 2013 |
No |
0.04 |
16 |
June 17, 2013 |
No |
0.1 |
1 |
June 24, 2013 |
No |
0.09 |
51 |
July 1, 2013 |
No |
0.74 |
39 |
July 8, 2013 |
No |
5.46 |
15 |
July 15, 2013 |
No |
0.37 |
5 |
July 22, 2013 |
No |
0.34 |
162 |
July 29, 2013 |
No |
0.17 |
12 |
August 5, 2013 |
No |
0.6 |
8 |
August 12, 2013 |
No |
0.57 |
48 |
August 19, 2013 |
No |
0.48 |
4 |
August 26, 2013 |
No |
0.62 |
14 |
September 2, 2013 |
No |
0.53 |
5 |
September 9, 2013 |
No |
0.5 |
0 |
September 16, 2013 |
No |
1.56 |
1 |
September 23, 2013 |
No |
1.46 |
210 |
September 30, 2013 |
No |
1.79 |
59 |