Weekly Water Quality Report

The Lake Pontchartrain Basin Foundation began an EPA approved intensive water quality monitoring in August 2000, in an effort to educate the public about water quality and to lend evidence for the hopeful retraction of current swimming advisories along the shore of Lake Pontchartrain. Ten historically recreational sites are sampled on a weekly basis and another ten sites of interest are sampled on a monthly basis. Several water quality parameters, including fecal coliform bacteria levels, are tested. The weekly sites are tested every Tuesday morning for data to be disseminated on Thursdays and Fridays (due to bacteria analysis- a process that takes 48 hours).

Check out the Office of Public Health's web page on: Health/Fish Consumption/Advisories for Mercury.

Weekly Sampling Sites

This Week’s Numbers

Please note that Lincoln Beach is inaccessible and Bayou St. John has replaced it for the time being
This report is based on conditions found on the sampling day ( 5/6/2008 ) only.

#
Site
Fecal
Coliform
(MPN)
Water
Temp
(F)
Water
Visibility
(feet)
Salinity
(ppt)
Dissolved
Oxygen
(mg\L)
1
Laketown
49
75.0
0
0.4
6.56
2
Bonnabel Boat Launch
33
74.8
0
0.8
8.37
3
Old Beach
70
74.8
0
1.0
8.43
4
Pontchartrain Beach
49
73.6
0
1.1
8.73
5
Bayou St. John
2
75.9
0
4.2
5.70
6
Bogue Falaya
540
66.6
0.82
0.0
6.98
7
Tchefuncte River
33
70.2
0.82
0.2
3.83
8
Bayou Castine
140
74.5
0.82
2.4
6.05
9
Fontainebleau Beach
170
73.5
1.64 VAB
4.0
7.56
10
Northshore Beach
33
75.7
1.64 VAB
2.6
9.70




Rainfall Runoff Warning:
The Lake's water quality is directly related to rainfall runoff. If it has rained in your area in the past 3 days, the runoff could pollute the Lake.


What Do The Numbers Mean?
The following criteria are based on the
Louisiana Department of Environmental Quality

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