BN1 - Fosse sud has data for chlorophyll_a, phosphate_phosphorus, dissolved_organic_carbon, air_temperature, water_temperature, ph, chlorine, hardness, alkalinity, conductivity, secchi_depth, clarity, on_the_water_s_surface, current_weather, previous_weather, colour, odour, algae, water_use, water_flow, and water_level from 1 January 2015 to 16 August 2025.