Water Quality Resources: Case Studies, Guides & Reports

The Week in Water: Clean Bill of Health (September 2026)

A cooling tower in the Bronx passed its owner’s Legionella test on August 20 and failed the city’s on September 12, and both results are

The Week in Water: Chlorine’s Fine Print

Every water system that chlorinates is running a controlled chemical reaction, and this week New York published what happens when the byproducts of that reaction

The Week in Water: Deja Bloom (September 2026)

Twelve years ago, a bloom on Lake Erie turned off the water for half a million people. This week the bloom is back, the biggest

The Week in Water: Still Waters Run Deep (August 2026)

It’s World Water Week in Stockholm, and the theme this year is “Water for People and Progress.” The stories below are that theme with the

The Week in Water: The Cheyenne Contamination, a Texas Grid Audit, and What Data Centers Send Back

America is having a loud argument about how much water data centers drink. This page is about the quieter questions underneath it: what that water

The Week in Water

The Week in Water: Hacked Utilities, the Lettuce Recall’s Water Problem, and Five Data-Center Fights

Four water stories from the first week of August 2026, each with the numbers behind it and a short KETOS read. This page is the

White Paper

The Data Center Backlash, Measured

What 103,341 headlines reveal about community sentiment toward data centers: how coverage flipped from a buildout story to a backlash story, how the decline compares to prior technology rollouts, and what operators can do before the next moratorium.

White Paper

Data Center Cooling Water Discharge: The Measurement Gap

What data centers discharge, not just what they consume: how cooling-water blowdown concentrates metals, nutrients, and treatment chemistry, what treatment costs, and why continuous monitoring closes the gap that periodic sampling leaves open.

Water Quality Guides

Water Quality Testing: The Complete Guide

How to test your water quality: the short answer If you want to Use Typical cost Know if your water is safe to drink A

Water Quality Guides

Well Water Testing: The Complete Guide

What to test your well water for, and how often Test Why it matters How often Total coliform bacteria Signals that disease-causing germs may be

Case Studies

From Compliance Monitoring to Pretreatment Intelligence: Cincinnati MSD Case Study

How Cincinnati MSD extended KETOS SHIELD from treatment-compliance monitoring to continuous industrial pretreatment intelligence, using dual-point data to catch what quarterly grab sampling missed.

Report

Taking Stock of US Water Quality on World Environment Day

KETOS Research World Environment Day 2026 is themed around climate action. Most of that conversation runs in carbon and degrees, but for the people who

KETOS Solutions

MONITOR WATER FOR 30+ PARAMETERS IN REAL-TIME

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