Bayou Castine at Harbor Pavillion

Mandeville, Louisiana
Managed by Lake Pontchartrain Basin Foundation

In the heart of Old Mandeville, this monitoring station is located along Bayou Castine, with Pontchartrain Yacht Club and several boat slips. The pavilion serves as a recreational area , with the Mandeville Lakefront Beach and Splash Park adjacent to the monitoring site.

Get directions to this beach
COVID-19

Keep your distance from other people.

Practicing social distancing is essential right now. Follow the advice of the health experts. If your community has asked that you remain indoors and away from others, do so. Heading to the beach should only be considered an option if social distancing practices can be followed. Spending a day in any crowded place is the worst thing we can do for our most vulnerable right now and will counter the efforts to curb the virus’ spread.

For more information, please visit the World Health Organization public resource on COVID-19.

Water Quality
  • Meets water quality standards

  • Current Status
  • This status is based on the latest sample, taken on May 26th, 2020. Lake Pontchartrain Basin Foundation updates the status of this beach as soon as test results become available. These results were posted to Swim Guide on May 27th, 2020 at 9:03 PM.
For water quality icon legend, click:  
  • Report Pollution
Monitoring Frequency

Bayou Castine at Harbor Pavillion is sampled weekly from January 1st from December 31st.

Source Information

The Lake Pontchartrain Basin Foundation (LPBF) monitors water quality at sites in the Lake Pontchartrain region. Sampling is conducted year-round, and samples are usually collected on Tuesdays and reported Fridays. In the event of severe weather or holiday, samples may be collected on Wednesdays. Samples are not collected for the week of Christmas nor Mardi Gras.

Water samples are analysed at all sites for or Fecal coliform and Enterococcus. Water physiochemical parameters are also collected as field measurements (Dissolved Oxygen (DO), water temperature, Total Dissolved Solids (TDS), conductivity, and salinity (parts per thousand). Full weekly results can be reviewed at: https://saveourlake.org/lpbf-programs/water-quality/weekly-data-report/ A location will be marked Green when the following conditions are met:• For sampling sites along the lake, Enterococci geometric mean density shall not exceed 35 colonies/100 mL and no more than 10 percent of the individual samples in the data set shall exceed 130 enterococci colonies/100 mL, for the period of May 1 to October 31; and • For all sampling sites along the lake, no more than 25 percent of the total samples collected on a monthly or near-monthly basis shall exceed a fecal coliform density of 2,000/100 mL, from Nov 1 to April 30; orA location will be marked Red when the following conditions are met:• When sampling locations along the lake exceeds the Enterococci geometric mean of 35 colonies/100 mL or 10 percent of the individual samples in the data set exceed 130 enterococci colonies/100 mL, for the period of May 1 to October 31; and • When sampling locations exceed a fecal coliform density of 2,000/100 mL, from Nov 1 to April 30; A beach is marked Grey when there are no current results or there is no available information.

Water Quality Graph

Bayou Castine at Harbor Pavillion

Mandeville, Louisiana
Managed by Lake Pontchartrain Basin Foundation
COVID-19

Keep your distance from other people.

Practicing social distancing is essential right now. Follow the advice of the health experts. If your community has asked that you remain indoors and away from others, do so. Heading to the beach should only be considered an option if social distancing practices can be followed. Spending a day in any crowded place is the worst thing we can do for our most vulnerable right now and will counter the efforts to curb the virus’ spread.

For more information, please visit the World Health Organization public resource on COVID-19.

Water Quality
  • Meets water quality standards
  • Current Status
  • This status is based on the latest sample, taken on May 26th, 2020. Lake Pontchartrain Basin Foundation updates the status of this beach as soon as test results become available. These results were posted to Swim Guide on May 27th, 2020 at 9:03 PM.
For water quality icon legend, click:  

In the heart of Old Mandeville, this monitoring station is located along Bayou Castine, with Pontchartrain Yacht Club and several boat slips. The pavilion serves as a recreational area , with the Mandeville Lakefront Beach and Splash Park adjacent to the monitoring site.

Get directions to this beach
  • Report Pollution
Monitoring Frequency

Bayou Castine at Harbor Pavillion is sampled weekly from January 1st from December 31st.

Source Information

The Lake Pontchartrain Basin Foundation (LPBF) monitors water quality at sites in the Lake Pontchartrain region. Sampling is conducted year-round, and samples are usually collected on Tuesdays and reported Fridays. In the event of severe weather or holiday, samples may be collected on Wednesdays. Samples are not collected for the week of Christmas nor Mardi Gras.

Water samples are analysed at all sites for or Fecal coliform and Enterococcus. Water physiochemical parameters are also collected as field measurements (Dissolved Oxygen (DO), water temperature, Total Dissolved Solids (TDS), conductivity, and salinity (parts per thousand). Full weekly results can be reviewed at: https://saveourlake.org/lpbf-programs/water-quality/weekly-data-report/ A location will be marked Green when the following conditions are met:• For sampling sites along the lake, Enterococci geometric mean density shall not exceed 35 colonies/100 mL and no more than 10 percent of the individual samples in the data set shall exceed 130 enterococci colonies/100 mL, for the period of May 1 to October 31; and • For all sampling sites along the lake, no more than 25 percent of the total samples collected on a monthly or near-monthly basis shall exceed a fecal coliform density of 2,000/100 mL, from Nov 1 to April 30; orA location will be marked Red when the following conditions are met:• When sampling locations along the lake exceeds the Enterococci geometric mean of 35 colonies/100 mL or 10 percent of the individual samples in the data set exceed 130 enterococci colonies/100 mL, for the period of May 1 to October 31; and • When sampling locations exceed a fecal coliform density of 2,000/100 mL, from Nov 1 to April 30; A beach is marked Grey when there are no current results or there is no available information.

Water Quality Graph

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