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Public water systems must conduct an inventory of all service lines, on both the water system side and the homeowner side of the meter, and to submit the results to OHA–Drinking Water Services (DWS) by October 16, 2024.
Frequently Asked Questions (FAQ) - Updated October 2023
Statistical Guidance for Evaluating Unknown Service Lines (for Community public water systems only)
To submit your inventory, please email the Excel file to DWP.DMCE@odhsoha.oregon.gov.
Service Line Inventory Technical Assistance
Free Trainings and Webinars
ASDWA's free webinar series: Implementation
Tools and Best Practices for Lead Service Line Inventories and Replacements.
This is a series of six monthly sessions beginning November 10, 2022. To
register for these webinars, please click here.
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