Drinking Water Contaminant – Hard water


Sources of hardness minerals in drinking water

As water moves through soil and rock, it dissolves very small amounts of minerals and holds them in solution. The two most common minerals that make water “hard” are calcium and magnesium. The degree of hardness …

Drinking Water Contaminant – Disinfection


Disinfection chemicals and byproducts

A public drinking water supply is defined as a system that provides piped water for human consumption to at least 15 service connections or regularly serves at least 25 individuals. Water supplied by a public water system is …

Drinking Water Contaminant – Corrosive water

Sources of corrosive water

Corrosive water, also known as “aggressive water,” is water that will dissolve materials it comes in contact with. This naturally occurring water condition can become problematic for a homeowner when it dissolves metals from the household plumbing system. Corrosive water can cause nuisance problems, health-related problems, and in some extreme cases, it can lead to holes in metal plumbing systems that may require replacement.

In homes with metal plumbing, corrosive water may dissolve copper and/or lead …

Drinking Water Contaminant – Bacteria

Image:WellheadFlowers.jpgWhat should homeowners know about bacteria and their private well water systems?


Sources of bacteria in drinking water

Bacteria of greatest concern in drinking water are those that originate from the gut of warm-blooded animals. Sources include …