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The Water Quality Laboratory located next to the Tri-City wastewater treatment plant provides water quality testing and analysis, industrial pretreatment services, biosolids management and reuse, septage services and complaint investigation.

Frequently Asked Questions

• Water Quality
• Well Testing

Rules & Specifications

Resources

• Department of Environmental Quality (DEQ) drinking water program
• General drinking water help
• Oregon’s Water Quality Assessment Report

Content provided by WES