OHA Drinking Water Services
OR41
PWS ID: 00861 ---- CIRCLE C IMPROVEMENT DISTRICT
System Information     Schedule Counts
Status:  Active
System Type:  Community
Population Served:  150
 Active:  26
Inactive:  0
Expired:  4  Show Expired

Routine Sampling Schedules For Chemicals
Facility
ID
Name Status Test Group Samples
Required
   Sampling
Interval
Start End    Notes
DIST-A Distribution SystemALEAD & COPPER10  6 Months07/01/2025Open
EP-A EP FOR WELLFIELDAARSENIC1  3 Years01/01/2002Open
EP-A EP FOR WELLFIELDAIOC1  9 Years01/01/2002OpenSchedule Reflects Monitoring Reduction Granted
EP-A EP FOR WELLFIELDANITRATE1  Yearly01/01/2002Open
EP-A EP FOR WELLFIELDANITRITE1  9 Years01/01/2002OpenSchedule Reflects Monitoring Reduction Granted
EP-A EP FOR WELLFIELDAPFAS1  6 Months01/01/2023OpenInitial monitoring - 2 samples only
EP-A EP FOR WELLFIELDARAD - GROSS ALPHA1  6 Years01/01/2017Open
EP-A EP FOR WELLFIELDARAD - RADIUM 226/2281  9 Years01/01/2008Open
EP-A EP FOR WELLFIELDARAD - URANIUM1  6 Years01/01/2014Open
EP-A EP FOR WELLFIELDASOC1  3 Years01/01/2002Open
EP-A EP FOR WELLFIELDAVOLATILE ORGANICS1  3 Years01/01/2002Open
EP-B EP FOR WELL #6AARSENIC1  3 Years01/01/2026Open
EP-B EP FOR WELL #6AIOC1  3 Years01/01/2026Open
EP-B EP FOR WELL #6ANITRATE1  Yearly01/01/2026Open
EP-B EP FOR WELL #6ANITRITE1  3 Years01/01/2026Open
EP-B EP FOR WELL #6APFAS1  6 Months01/01/2023OpenInitial monitoring - 2 samples only
EP-B EP FOR WELL #6ARAD - GROSS ALPHA1  Quarterly07/01/2025Open
EP-B EP FOR WELL #6ARAD - RADIUM 226/2281  Quarterly07/01/2025Open
EP-B EP FOR WELL #6ARAD - URANIUM1  Quarterly07/01/2025Open
EP-B EP FOR WELL #6ASOC1  Yearly01/01/2026Open
EP-B EP FOR WELL #6ATOLUENE 1  Quarterly07/01/2025Open
EP-B EP FOR WELL #6AVOLATILE ORGANICS1  Yearly01/01/2026Open
EP-C EP FOR WELL #4ANITRATE1  Yearly01/01/2011Open
EP-C EP FOR WELL #4APFAS1  6 Months01/01/2023OpenInitial monitoring - 2 samples only
EP-D EP FOR WELL #5ANITRATE1  Yearly01/01/2011Open
EP-D EP FOR WELL #5APFAS1  6 Months01/01/2023OpenInitial monitoring - 2 samples only