Matt Peiris

Cryptosporidium in Water Source of Cryptosporidium: Cryptosporidium is a single-celled protozoan parasite. Outbreaks occur when water sources are contaminated with human feces. The parasite is highly...

E. coli in Water Source of E. coli: E.coli (Escherichia coli) is a group of naturally-occurring bacteria. Some strains are harmless while others affect human health. These come from animal waste that...

Hydrogen sulfide   Source of Hydrogen sulfide: Hydrogen sulfide (H2S) is a colorless gas with a “rotten egg” smell. It is sometimes called sewer gas or sulfur water. Certain bacteri...

Source of Legionella: Legionella (Legionnaires disease) is a respiratory disease caused by bacterial infection. The bacteria are found in nature but can be found inside hot water heaters and large p...

MTBE in Water Source of MTBE: MTBE (methyl tertiary-butyl ether) is a volatile, clear, liquid used as a gasoline octane booster. MTBE can get into drinking water when gasoline is repeatedly spilled...

What is TDS? TDS stands for Total Dissolved Solids. TDS is a general measure of the amount of substances dissolved in lakes, streams and tap water. Theses “dissolved solids” include mostl...