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 (6/30/09) only.

 

Date: 6/30/09

Fecal

Water

Water

Salinity

Disolved

#

Site

Coliform

Temp

Visibility

(ppt)

Oxygen

 

 

(MPN)

(F)

(feet)

 

(mg/L)

1

Laketown

49

89.2

n/a

5

5.88

2

Bonnabel Boat Launch

1600

87.8

n/a

4.8

5.73

3

Old Beach

23

88.1

n/a

5

6.44

4

Pontchartrain Beach

49

88.7

n/a

4.8

5.99

5

Bayou St. John

350

89.6

n/a

5.5

9.51

6

Bogue Falaya

>1600

80.4

.82

0

4.51

7

Tchefuncte River

11

86.9

1.64

2.1

4.23

8

Bayou Castine

33

87.4

1.64

3

4.48

9

Fontainebleau Beach

49

81.9

.82

3

6.62

10

Northshore Beach

13

86

.82

6.6

7.23

 

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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