OHA Drinking Water Services
OR41
PWS ID: 94811 ---- KNIFE RIVER PRESTRESS INC
System Information     Schedule Counts
Status:  Active
System Type:  Non-transient Non-community
Population Served:  100
 Active:  9
Inactive:  7  Show Inactive
Expired:  15  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  Yearly01/01/2025OpenCollect samples between June 1 and September 30, from cold water, drinking water taps.
DIST-A DISTRIBUTION SYSTEMASTAGE 2 DBP1  Yearly01/01/2024OpenSample in June
EP-A EP FOR WELL #4AARSENIC1  9 Years01/01/2017Open
EP-A EP FOR WELL #4AIOC1  9 Years01/01/2008OpenSchedule Reflects Monitoring Reduction Granted
EP-A EP FOR WELL #4ANITRATE1  Yearly01/01/2002Open
EP-A EP FOR WELL #4ANITRITE1  9 Years01/01/2008OpenSchedule Reflects Monitoring Reduction Granted
EP-A EP FOR WELL #4APFAS1  6 Months01/01/2023OpenInitial monitoring - 2 samples only
EP-A EP FOR WELL #4ASOC1  3 Years01/01/2002Open
EP-A EP FOR WELL #4AVOLATILE ORGANICS1  3 Years01/01/2002Open