OHA Drinking Water Services
OR41
PWS ID: 00237 ---- HILLTOP IMPROVEMENT DISTRICT
System Information     Schedule Counts
Status:  Active
System Type:  Community
Population Served:  45
 Active:  11     Show Only Active
Inactive:  0
Expired:  5

Routine Sampling Schedules For Chemicals
Facility
ID
Name Status Test Group Samples
Required
   Sampling
Interval
Start End    Notes
DIST-A Distribution SystemALEAD & COPPER5  3 Years01/01/2002OpenSample Between June 1st and Sept 30th
EP-A EP for WELLAIOC1  9 Years01/01/2017OpenSchedule Reflects Monitoring Reduction Granted
EP-A EP for WELLANITRATE1  Yearly01/01/2002Open
EP-A EP for WELLANITRITE1  9 Years01/01/2017Open
EP-A EP for WELLAPFAS1  6 Months01/01/2023OpenInitial monitoring - 2 samples only
EP-A EP for WELLARAD - GROSS ALPHA1  9 Years01/01/2008Open
EP-A EP for WELLARAD - RADIUM 226/2281  9 Years01/01/2008Open
EP-A EP for WELLARAD - URANIUM1  9 Years01/01/2008Open
EP-A EP for WELLASOC1  3 Years01/01/2002Open
EP-A EP for WELLAVOLATILE ORGANICS1  3 Years01/01/2002Open
POU-19 POU FOR ARSENIC REMOVALAARSENIC6  Yearly01/01/2012Open
Expired Schedules
EP-AEP for WELLAARSENIC1  3 Years01/01/200206/30/2007
EP-AEP for WELLAARSENIC1  Quarterly07/01/200711/26/2010
EP-AEP for WELLAIOC1  3 Years01/01/200212/31/2016
EP-AEP for WELLANITRITE1  3 Years01/01/200212/31/2016
POU-19POU FOR ARSENIC REMOVALAARSENIC6  Quarterly04/01/201112/31/2011