Fremont Lake # 9 at Fremont Beach (Sampling Site 17) |
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 4, 2015 |
No |
0 |
26 |
May 11, 2015 |
No |
0 |
9 |
May 18, 2015 |
No |
0 |
42 |
May 25, 2015 |
No |
0.88 |
50 |
June 1, 2015 |
No |
0.27 |
12 |
June 8, 2015 |
No |
0.31 |
4 |
June 15, 2015 |
No |
0.2 |
13 |
June 22, 2015 |
No |
0.26 |
15 |
June 29, 2015 |
No |
0.78 |
222 |
July 6, 2015 |
No |
0.41 |
22 |
July 13, 2015 |
No |
0.98 |
7 |
July 20, 2015 |
No |
2.1 |
2 |
July 27, 2015 |
No |
4.49 |
214 |
August 3, 2015 |
No |
5.67 |
5 |
August 10, 2015 |
No |
1.52 |
12 |
August 17, 2015 |
No |
2.34 |
28 |
August 24, 2015 |
No |
0.56 |
1 |
August 31, 2015 |
No |
0 |
6 |
September 7, 2015 |
No |
2.12 |
48 |
September 14, 2015 |
No |
0.96 |
21 |
September 21, 2015 |
No |
2.15 |
15 |
September 28, 2015 |
No |
1.3 |
6 |