For example, mercury and lead in sufficient doses can cause birth defects or serious illness. Solid Waste Facility Risks. With HHW in the mix, transfer station workers may be exposed to dangerous materials. In other parts of Maine, HHW diversion from landfills helps protect their liners from attack by caustic substances and groundwater from pollution. HHW which is dumped down drains ends up in your back yard septic system or at a municipal treatment plant.
Toxins can interfere with septic waste decomposition.
They may also end up in groundwater, sludge or nearby waterbodies. Improperly managed HHW may end up in soil, wells or waterbodies. Water may become unfit for drinking or other uses. HHW stored in dwellings pose threats to residents and the public. Noxious gases can seep from volatile materials.