OHA Drinking Water Services
OR41
PWS ID: 06118 ---- COLUMBIA HILLS HOA
Single Chemical Schedule

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Facility
ID		 Facility Name Analyte
Code		 Analyte Sampling
Interval		 Monitoring
Period
Start		 Monitoring
Period
Due Date		 Days
Until
Due		 Samples
Required		 Samples
Received		 Last
Sample
Date		 Seasonal Sampling
Period
EP-A EP FOR WELLS 4000 GROSS ALPHA, EXCL. RADON & U 9 Years01/01/2026 - future 1 07/28/2024


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