OHA Drinking Water Services
OR41
PWS ID: 95664 ---- COLUMBIA AIRGAS
System Information     Schedule Counts
Status:  Active
System Type:  Non-transient Non-community
Population Served:  55
 Active:  8
Inactive:  0
Expired:  3  Show Expired

Routine Sampling Schedules For Chemicals
Facility
ID
Name Status Test Group Samples
Required
   Sampling
Interval
Start End    Notes
DIST-A DISTRIBUTION SYSTEMALEAD & COPPER5  3 Years01/01/2026OpenCollect samples between June 1 and September 30 every third year, from cold water, drinking water faucets.
EP-A EP FOR WELLAARSENIC1  3 Years01/01/2023Open
EP-A EP FOR WELLAIOC1  3 Years01/01/2023Open
EP-A EP FOR WELLANITRATE1  Yearly01/01/2022Open
EP-A EP FOR WELLANITRITE1  3 Years01/01/2023Open
EP-A EP FOR WELLAPFAS1  6 Months01/01/2023OpenInitial monitoring - 2 samples only
EP-A EP FOR WELLASOC1  3 Years01/01/2026Open
EP-A EP FOR WELLAVOLATILE ORGANICS1  3 Years01/01/2026Open