Additionally, the District Sanitation/Surveillance section provide guidance and assistance in the area of rodent control and prevention, prevention and spread of blood-borne diseases and infections especially through barber, tattoo and cosmetology activities, prevention of the excess accumulations of refuse to guard against the breeding harborage or insect/vermin, prevention of the accumulation of waste water, adequate disposal of sewage, adequate ventilation whether natural or artificial, provision for safe delivery/storage of potable water, prevention of overcrowding in residential facilities where practical, public sanitary conveniences.
It should be noted that while the DEH has overall responsibility for the areas mentioned earlier, matters of ecological construct, such as waterways, oceans fauna and flora that may have some bearing on the health of humans generally fall within the purview of the Department of Environment (DOE).