- Information about public (and private) water supplies
- Treatments for contaminants
- History of contamination of drinking water supplies
- Key characteristics of lead (Pb) and perfluorinateds
- Socioeconomic aspects of drinking water contamination
- Current observations about risk perception
- Litigation related to contamination of drinking water
Planned Maintenance — August 8-9, 2026
We will be performing scheduled website maintenance this weekend. During this time, the site may be temporarily unavailable.
We appreciate your patience. If you need to register for a course or have questions, please contact us at info@nwetc.org or 425-270-3274.







