Lake Pontchartrain at Mandeville is located in LA at coordinates 30.3625°N, 90.0902°W. Water level data is provided by USGS Water Services. The latest reading is 1.32 ft.
A small badge a marina, lake association or guide can paste on their site. It always includes a link back to Lake Pontchartrain at Mandeville on LakeLevels — that is the entire point.
Recommended — places a real link on the host page.