Informational Articles

City of St. Helens Water System Data

Drinking Water System & Filtration Facility Data Distribution System Data City of St. Helens Public Water System ID 4100724 City of St. Helens Resident Population Served 12,895 Residents Size of Distribution system 64 Miles City of St. Helens Service Connections 4,700 Connections Total … Continue reading

What’s in YOUR water? Think before drinking from a stream

Giardiasis Giardia; Traveler’s diarrhea – giardiasis   Giardiasis Giardiasis is an intestinal infection caused by a protozoan and is spread by contaminated water or contact with an infected person. People who are travelling or hiking should assume water sources are … Continue reading

Understanding “parts per million”

What is a part per million, or a part per billion even a part per trillion? In water quality reports and water analysis studies we see results of contaminants in our water expressed as parts per million, parts per billion … Continue reading


Cryptosporidium: A Waterborne Pathogen B.K. Avery, A. Lemley and A.G. Hornsby What is Cryptosporidium? Cryptosporidium (crip-toe-spor-ID-ee-um) is a protozoan, a single-celled, microscopic pathogenic (disease causing)  parasite that lives in the intestines of animals and people.  The parasite can cause a gastrointestinal illness called … Continue reading

Water conservation

How many drips are in a gallon? Check your faucets around your home — do any of them drip? Well, maybe it’s just a small drip — how much water can a little drip waste? True, a single drip won’t waste … Continue reading

The Ranney Collector Well

The Ranney Collector Well

The source of the City of St. Helens drinking water is supplied from Ranney collector wells that are mechanically dug down 80 feet into the West bank of the Columbia River.  The bottom of the collector well penetrates the zone of … Continue reading