Measuring chlorine residuals.

RCW 70A.125.190
in effect
Sign in to generate a plain English summaryAsk Belisarius Agent
A group A water system serving fewer than one hundred connections that purchases water from a water system approved by the department shall measure chlorine residuals at the same time and location of collection for a routine and repeat coliform sample. A group A water system serving fewer than one hundred connections that purchases water from a water system approved by the department shall measure chlorine residuals at the same time and location of collection for a routine and repeat coliform sample.
Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=70A.125&full=trueFetched: 6/29/2026

Starting a business in Washington? Washington LLC guide: costs and requirements