Related:  Coliform Schedules

PWS ID: 90872 ---- NORTHWEST ALUMINUM COMPANY

Chemical Sampling Schedule Status
Facility
ID
Analyte or Group   Sampling
Interval
Monitoring Period Days
Until
End
Samples
Required
Samples
Received
Last
Sample
Date
Start End
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER  6 Months07/01/2020 - 12/31/2020 31 5 done 05/20/2020
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notes3 Years01/01/2020 - 12/31/2020   1done 08/25/2020
 Seasonal sampling period:  08/01  thru  08/30
EP-A  EP FOR WELL #1 & #3 ARSENIC notes9 Years01/01/2020 - 12/31/2028 2,953 1 incomplete10/29/2019
EP-A  EP FOR WELL #1 & #3 IOC notes9 Years01/01/2020 - 12/31/2028 2,953 1 incomplete10/29/2019
EP-A  EP FOR WELL #1 & #3 NITRATE  Yearly01/01/2020 - 12/31/2020 31 1 incomplete10/29/2019
EP-A  EP FOR WELL #1 & #3 NITRITE notes9 Years01/01/2020 - 12/31/2028 2,953 1 incomplete10/29/2019
EP-A  EP FOR WELL #1 & #3 SOC  3 Years01/01/2020 - 12/31/2022 761 1 incomplete10/29/2019
EP-A  EP FOR WELL #1 & #3 VOLATILE ORGANICS  3 Years01/01/2020 - 12/31/2022 761 1 incomplete11/11/2019

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Lead & Copper :: Corrosion Control (LCR) :: Nitrate :: Arsenic :: Radionuclides :: GWR 4-Log :: LT2 :: Cyanotoxins
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