OHA Drinking Water Services
OR41
PWS ID: 90872 ---- NORTHWEST ALUMINUM COMPANY ---- INACTIVE
System Information     Schedule Counts
Status:  INACTIVE
System Type:  Non-transient Non-community
Population Served:  70		 Active:  0     Show Only Active
Inactive:  14  Show Inactive
Expired:  25
                     Show All

Routine Sampling Schedules For Chemicals
No Active Schedules For This Water System
Expired Schedules
DIST-ADISTRIBUTION SYSTEMALEAD & COPPER5  3 Years01/01/200212/31/2019Sample Between June 1st and Sept 30th
DIST-ADISTRIBUTION SYSTEMALEAD & COPPER5  6 Months01/01/202002/03/2021
DIST-ADISTRIBUTION SYSTEMASTAGE 2 DBP1  3 Years01/01/202102/03/2021Collect sample in August at WRPB
DIST-ADISTRIBUTION SYSTEMASTAGE 2 DBP2  Yearly01/01/202009/30/2020Sample in August. IDSE in 2020
EP-AEP FOR WELL #1 & #3AARSENIC1  3 Years01/01/200212/31/2010
EP-AEP FOR WELL #1 & #3AARSENIC1  9 Years01/01/201102/03/2021Schedule reflects monitoring reduction granted.
EP-AEP FOR WELL #1 & #3AIOC1  9 Years01/01/200202/03/2021Schedule Reflects Monitoring Reduction Granted
EP-AEP FOR WELL #1 & #3ANITRATE1  Yearly01/01/200202/03/2021
EP-AEP FOR WELL #1 & #3ANITRITE1  9 Years01/01/200202/03/2021Schedule Reflects Monitoring Reduction Granted
EP-AEP FOR WELL #1 & #3ASOC1  3 Years01/01/200202/03/2021
EP-AEP FOR WELL #1 & #3AVOLATILE ORGANICS1  3 Years01/01/200202/03/2021
EP-BEP FOR WELL #3IARSENIC1  3 Years01/01/200212/31/2010
EP-BEP FOR WELL #3IARSENIC1  9 Years01/01/201102/06/2020Schedule reflects monitoring reduction granted.
EP-BEP FOR WELL #3IIOC1  9 Years01/01/200202/06/2020Schedule Reflects Monitoring Reduction Granted
EP-BEP FOR WELL #3INITRATE1  Yearly01/01/200202/06/2020
EP-BEP FOR WELL #3INITRITE1  9 Years01/01/200202/06/2020Schedule Reflects Monitoring Reduction Granted
EP-BEP FOR WELL #3ISOC1  3 Years01/01/200202/06/2020
EP-BEP FOR WELL #3IVOLATILE ORGANICS1  3 Years01/01/200202/06/2020
EP-CEP FOR WELL #4IARSENIC1  3 Years01/01/200212/31/2010
EP-CEP FOR WELL #4IARSENIC1  9 Years01/01/201112/31/2019Schedule reflects monitoring reduction granted.
EP-CEP FOR WELL #4IIOC1  9 Years01/01/200212/31/2019Schedule Reflects Monitoring Reduction Granted
EP-CEP FOR WELL #4INITRATE1  Yearly01/01/200212/31/2019
EP-CEP FOR WELL #4INITRITE1  9 Years01/01/200212/31/2019Schedule Reflects Monitoring Reduction Granted
EP-CEP FOR WELL #4ISOC1  3 Years01/01/200212/31/2019
EP-CEP FOR WELL #4IVOLATILE ORGANICS1  3 Years01/01/200212/31/2019

More information for this water system: SDWIS ID 799
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