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 6, 2013 |
No |
0.04 |
2420 |
May 13, 2013 |
No |
0 |
5 |
May 20, 2013 |
No |
0 |
3 |
May 27, 2013 |
No |
0.04 |
1203 |
June 3, 2013 |
No |
0.02 |
105 |
June 10, 2013 |
No |
0.02 |
313 |
June 17, 2013 |
No |
0 |
6 |
June 24, 2013 |
No |
0 |
20 |
July 1, 2013 |
No |
0 |
9 |
July 8, 2013 |
No |
0 |
8 |
July 15, 2013 |
No |
0.03 |
24 |
July 22, 2013 |
No |
0.24 |
1 |
July 29, 2013 |
No |
0.33 |
9 |
August 5, 2013 |
No |
0.06 |
3 |
August 12, 2013 |
No |
0.12 |
30 |
August 19, 2013 |
No |
0.01 |
1 |
August 26, 2013 |
No |
0.05 |
0 |
September 2, 2013 |
No |
0.35 |
15 |
September 9, 2013 |
No |
0 |
3 |
September 16, 2013 |
No |
0.73 |
10 |
September 23, 2013 |
No |
0.59 |
328 |
September 30, 2013 |
No |
0 |
36 |