Knowledge Base
Practical guidance for small public water system operators: compliance, maintenance, operations, and professional development.

WOH CCR Guide
The Annual Consumer Confidence Report (CCR) is a federally required plain-language summary of drinking water quality data delivered to customers by July 1 each year. This guide walks operators through preparation, required content, data gathering, and distribution for community water systems.

WOH Booster Pump Guide
Centrifugal booster pumps increase water pressure to serve higher-elevation areas or zones with greater demand. This guide covers pump operation, pressure control, maintenance, and troubleshooting for drinking water system operators.

WOH Bacteriological Sampling Guide
Step-by-step procedure for collecting bacteriological (coliform) samples from drinking water systems under the Revised Total Coliform Rule. Proper technique prevents false-positive results, unnecessary repeat sampling, and public notifications.