Swan Creek Lake # 5A at South Beach (Sampling Site 39) |
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 5, 2014 |
No |
1.31 |
2 |
May 12, 2014 |
No |
3.06 |
34 |
May 19, 2014 |
No |
5.11 |
13 |
May 26, 2014 |
No |
1.98 |
4 |
June 2, 2014 |
No |
5.88 |
58 |
June 9, 2014 |
No |
1.29 |
23 |
June 16, 2014 |
No |
0 |
25 |
June 23, 2014 |
No |
0 |
1 |
June 30, 2014 |
No |
1.62 |
20 |
July 7, 2014 |
No |
15.1 |
27 |
July 14, 2014 |
No |
10.84 |
10 |
July 21, 2014 |
Yes |
20.09 |
2 |
July 28, 2014 |
Yes |
13.3 |
3 |
August 4, 2014 |
Yes |
36.05 |
0 |
August 11, 2014 |
Yes |
18.90 |
1 |
August 18, 2014 |
No |
5.07 |
6 |
August 25, 2014 |
No |
6.44 |
10 |
September 1, 2014 |
No |
5.23 |
19 |
September 8, 2014 |
No |
2.90 |
14 |
September 15, 2014 |
No |
4.38 |
1 |
September 22, 2014 |
No |
3.67 |
19 |
September 29, 2014 |
No |
7.04 |
9 |