OHA Drinking Water Services
OR41
PWS ID: 94811 ---- KNIFE RIVER - NW HARRISBURG
System Information     Schedule Counts
Status:  Active
System Type:  Non-transient Non-community
Population Served:  100		 Active:  8     Show Only Active
Inactive:  7  Show Inactive
Expired:  14
                     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 Months01/01/2024Open
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 #4ASOC1  3 Years01/01/2002Open
EP-A EP FOR WELL #4AVOLATILE ORGANICS1  3 Years01/01/2002Open
Expired Schedules
DIST-ADISTRIBUTION SYSTEMALEAD & COPPER5  3 Years01/01/200512/31/2023Sample Between June 1st and Sept 30th
DIST-ADISTRIBUTION SYSTEMALEAD & COPPER5  Yearly01/01/200212/31/2003Sample Between June 1st and Sept 30th
DIST-ADISTRIBUTION SYSTEMASTAGE 2 DBP1  3 Years01/01/202212/31/2023Sample in June
DIST-ADISTRIBUTION SYSTEMASTAGE 2 DBP1  Yearly01/01/201407/31/2021Sample in July
EP-AEP FOR WELL #4AARSENIC1  3 Years01/01/200212/31/2016
EP-AEP FOR WELL #4AIOC1  3 Years01/01/200212/31/2007
EP-AEP FOR WELL #4ANITRITE1  3 Years01/01/200212/31/2007
EP-BEP FOR WELL #1IARSENIC1  3 Years01/01/202309/03/2024
EP-BEP FOR WELL #1IIOC1  3 Years01/01/202309/03/2024
EP-BEP FOR WELL #1INITRATE1  Quarterly07/01/202409/03/2024
EP-BEP FOR WELL #1INITRATE1  Yearly01/01/202404/30/2024
EP-BEP FOR WELL #1INITRITE1  3 Years01/01/202309/03/2024
EP-BEP FOR WELL #1ISOC1  Yearly01/01/202409/03/2024
EP-BEP FOR WELL #1IVOLATILE ORGANICS1  Yearly01/01/202409/03/2024

More information for this water system: SDWIS ID 5
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