Water Quality Wire

Industry intelligence for water professionals

Water Quality Wire engraving
Water Quality Wire

The west front of the United States Capitol under a summer sky
Washington sets the sector's clock: service line inventories, PFAS limits, and the funding cycles behind them all run on federal deadlines. Photo: Wikimedia Commons

Latest headlines

The Sample Tap Is Part of the Water Test

A useful result begins by matching the sampling location to the household question, whether the concern is scale, plumbing, treatment performance, or possible contamination.

A Faucet Clue Has Four Possible Addresses

Sort changes by location, timing, surface and water stream before deciding whether the next step is maintenance, a hardness test or contaminant analysis.

A Manure Digester Is Not a Nutrient Removal System

As federal tax policy encourages livestock biogas investment, water professionals should track what remains in the digestate, where it will go, and how its storage and application will be controlled.

A Water Report Is Not One Pass-Fail Score

Separate appliance and cleaning evidence from exposure questions, then read each laboratory result against the decision it was collected to support.

57 Missouri and Illinois Towns Sorted by County 12 Public Water Systems Flagged for Lead Service Lines or Lead Test Results The 50 Hardest-Water Towns in Missouri and Illinois, 2026 Data

Data & Rankings

Dataset-backed rankings of water systems across Missouri and Illinois, each with a stated methodology and pull date. New cuts are added as verified data supports them.