Wirth Brothers Lake at SE Beach (Sampling Site 46) |
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 2, 2011 |
No |
0.03 |
19 |
May 9, 2011 |
No |
0.01 |
13 |
May 16, 2011 |
No |
0.01 |
18 |
May 23, 2011 |
No |
0 |
35 |
May 30, 2011 |
No |
0 |
78 |
June 6, 2011 |
No |
.08 |
20 |
June 13, 2011 |
No |
0.07 |
18 |
June 20, 2011 |
No |
0 |
26 |
June 27, 2011 |
No |
0.05 |
313 |
July 4, 2011 |
No |
0.05 |
71 |
July 11, 2011 |
No |
0.04 |
72 |
July 18, 2011 |
No |
0.03 |
20 |
July 25, 2011 |
No |
0.51 |
140 |
August 1, 2011 |
No |
0 |
15 |
August 8, 2011 |
No |
0 |
112 |
August 15, 2011 |
No |
0 |
579 |
August 22, 2011 |
No |
0.17 |
141 |
August 29, 2011 |
No |
0.04 |
7 |
September 5, 2011 |
No |
0 |
16 |
September 12, 2011 |
No |
0.03 |
119 |
September 19, 2011 |
No |
0.01 |
517 |
September 26, 2011 |
|
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