Bacteria, protozoa and viruses in water

Microorganisms are extremely small organisms, and include bacteria, protozoa and viruses. Some of these are so small that they cannot be seen under a conventional microscope.

Lead in water

Lead, a metal found in natural deposits, is commonly used in household plumbing materials and water service lines. The greatest exposure to lead is swallowing or breathing in lead paint chips and dust. But lead in drinking water can also cause a variety of adverse health effects.

Nitrate in water

The presence of nitrate in a water analysis is a danger signal. Nitrate is an indication that your water supply may be contaminated with bacteria. Even small amounts of nitrate make the water supply suspect. In farming areas, like Illinois, nitrates are a real problem.