Article L2213-30 of the French General Code of Local Authorities
The mayor must order the necessary measures to ensure the sanitation of communal ponds located in the interior of villages or in the vicinity of dwellings, whenever these ponds compromise public health. Failing the mayor, the representative of the State in the department may, on the advice of the hygiene council and after a commodo et incommodo investigation carried out under the conditions provided for by the environment code, prescribe…