In all cases where the needs of the service so require, regulations laid down by the Prefect, after consulting the operators, determine the measures to be taken with regard to :
1° The hygiene of toilets, baths, showers, swimming pools and, in general, all premises used for water management;
2° The free use of water;
3° The exclusion of any preference in hours for baths and showers;
4° Rates, with the exception of reductions that may be granted to persons without means;
5° Special protection for the sick;
6° Measures of order and police to be observed by the public, either inside or in the vicinity.