OHA Drinking Water Services
OR41
PWS ID: 06118 ---- COLUMBIA HILLS HOA
System Information     Schedule Counts
Status:  Active
System Type:  Community
Population Served:  84
 Active:  12     Show Only Active
Inactive:  18
Expired:  39  Show Expired
                     Show All

Routine Sampling Schedules For Chemicals
Facility
ID
Name Status Test Group Samples
Required
   Sampling
Interval
Start End    Notes
DIST-A DISTRIBUTION SYSTEMALEAD & COPPER5  6 Months07/01/2023Open
DIST-A DISTRIBUTION SYSTEMASTAGE 2 DBP1  Yearly01/01/2014OpenSample in September
EP-A EP FOR WELLSAARSENIC1  3 Years01/01/2023Open
EP-A EP FOR WELLSAIOC1  3 Years01/01/2023Open
EP-A EP FOR WELLSANITRATE1  Yearly01/01/2003Open
EP-A EP FOR WELLSANITRITE1  3 Years01/01/2023Open
EP-A EP FOR WELLSAPFAS1  6 Months01/01/2023OpenInitial monitoring - 2 samples only
EP-A EP FOR WELLSARAD - GROSS ALPHA1  9 Years01/01/2026Open
EP-A EP FOR WELLSARAD - RADIUM 226/2281  9 Years01/01/2026Open
EP-A EP FOR WELLSARAD - URANIUM1  9 Years01/01/2026Open
EP-A EP FOR WELLSASOC1  3 Years01/01/2008Open
EP-A EP FOR WELLSAVOLATILE ORGANICS1  3 Years01/01/2008Open
Inactive Facility Schedules
EP-BEP FOR WELL #2 (COLU3174)IARSENIC1  3 Years01/01/200805/01/2009
EP-BEP FOR WELL #2 (COLU3174)IIOC1  3 Years01/01/200805/01/2009
EP-BEP FOR WELL #2 (COLU3174)INITRATE1  Yearly01/01/200305/01/2009
EP-BEP FOR WELL #2 (COLU3174)INITRITE1  3 Years01/01/200805/01/2009
EP-BEP FOR WELL #2 (COLU3174)IRAD - GROSS ALPHA1  Quarterly04/01/200905/01/2009
EP-BEP FOR WELL #2 (COLU3174)IRAD - RADIUM 226/2281  Quarterly04/01/200905/01/2009
EP-BEP FOR WELL #2 (COLU3174)IRAD - URANIUM1  Quarterly04/01/200905/01/2009
EP-BEP FOR WELL #2 (COLU3174)ISOC1  3 Years01/01/200805/01/2009
EP-BEP FOR WELL #2 (COLU3174)IVOLATILE ORGANICS1  3 Years01/01/200805/01/2009
EP-CEP FOR WELL #8 (7) - NOW W/ PWS ID#06211IARSENIC1  3 Years01/01/200804/30/2012
EP-CEP FOR WELL #8 (7) - NOW W/ PWS ID#06211IIOC1  3 Years01/01/200804/30/2012
EP-CEP FOR WELL #8 (7) - NOW W/ PWS ID#06211INITRATE1  Yearly01/01/200304/30/2012
EP-CEP FOR WELL #8 (7) - NOW W/ PWS ID#06211INITRITE1  3 Years01/01/200804/30/2012
EP-CEP FOR WELL #8 (7) - NOW W/ PWS ID#06211IRAD - GROSS ALPHA1  Quarterly04/01/200912/31/2011
EP-CEP FOR WELL #8 (7) - NOW W/ PWS ID#06211IRAD - RADIUM 226/2281  Quarterly04/01/200912/31/2011
EP-CEP FOR WELL #8 (7) - NOW W/ PWS ID#06211IRAD - URANIUM1  Quarterly04/01/200912/31/2011
EP-CEP FOR WELL #8 (7) - NOW W/ PWS ID#06211ISOC1  3 Years01/01/200804/30/2012
EP-CEP FOR WELL #8 (7) - NOW W/ PWS ID#06211IVOLATILE ORGANICS1  3 Years01/01/200804/30/2012