OHA Drinking Water Services
OR41
PWS ID: 00504 ---- MALIN MUNICIPAL WATER

See also: Coliform Schedules

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 ASBESTOS, DIST notes9 Years 01/01/2020 - 12/31/2028 1,015 1 incomplete11/05/2019
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2028 - 12/31/2028   10 09/26/2025
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP FOR WELLS #2 AND #5 ARSENIC notes9 Years01/01/2020 - 12/31/2028 1,015 1 done 05/18/2022
EP-A  EP FOR WELLS #2 AND #5 IOC notes9 Years 01/01/2026 - 12/31/2034 3,206 1 incomplete05/18/2022
EP-A  EP FOR WELLS #2 AND #5 NITRATE  Yearly 01/01/2026 - 12/31/2026 284 1 incomplete10/21/2025
EP-A  EP FOR WELLS #2 AND #5 NITRITE notes9 Years 01/01/2026 - 12/31/2034 3,206 1 incomplete05/18/2022
EP-A  EP FOR WELLS #2 AND #5 PFAS notes6 Months 01/01/2026 - 06/30/2026 100 1 incomplete09/24/2025
  Initial monitoring - 2 samples only
EP-A  EP FOR WELLS #2 AND #5 RAD - GROSS ALPHA  6 Years 01/01/2023 - 12/31/2028 1,015 1 incomplete10/20/2022
EP-A  EP FOR WELLS #2 AND #5 RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,206 1 incomplete05/18/2022
EP-A  EP FOR WELLS #2 AND #5 RAD - URANIUM  6 Years 01/01/2026 - 12/31/2031 2,110 1 incomplete09/25/2019
EP-A  EP FOR WELLS #2 AND #5 SOC  3 Years 01/01/2026 - 12/31/2028 1,015 1 incomplete10/21/2025
EP-A  EP FOR WELLS #2 AND #5 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,015 1 incomplete10/21/2025

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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
DIST-A  Distribution SystemLEAD & COPPER  Yearly01/01/200212/31/200310Sample Between June 1st and Sept 30th
EP-A  EP FOR WELLS #2 AND #5ARSENIC  3 Years01/01/200203/31/20071
EP-A  EP FOR WELLS #2 AND #5ARSENIC  Quarterly04/01/200703/31/20131Schedule reflects increased monitoring due to detection on 2/14/07. RAK 4/5/07
EP-A  EP FOR WELLS #2 AND #5ARSENIC  Yearly01/01/201412/31/20171
EP-A  EP FOR WELLS #2 AND #5IOC  3 Years01/01/200212/31/20161
EP-A  EP FOR WELLS #2 AND #5NITRITE  3 Years01/01/200212/31/20161
EP-A  EP FOR WELLS #2 AND #5RAD - GROSS ALPHA  9 Years01/01/200812/31/20161
EP-B  EP FOR WELL #3ARSENIC  3 Years01/01/200212/31/20021EP-B Inactive since 1999 - 8/03/07 GB
EP-B  EP FOR WELL #3IOC  9 Years01/01/200212/31/20021Schedule Reflects Monitoring Reduction Granted. EP-B Inactive since 1999 - 8/03/07 GB
EP-B  EP FOR WELL #3NITRATE  Yearly01/01/200212/31/20021Not used since 1999 because of sulphur odor 08/03/2007 GB
EP-B  EP FOR WELL #3NITRITE  9 Years01/01/200212/31/20021Schedule Reflects Monitoring Reduction Granted. Not used since 1999 because of sulphur odor 08/03/2007 GB
EP-B  EP FOR WELL #3SOC  3 Years01/01/200212/31/20021Not used since 1999 because of sulphur odor 08/03/2007 GB
EP-B  EP FOR WELL #3VOLATILE ORGANICS  3 Years01/01/200212/31/20021Not used since 1999 because of sulphur odor 08/03/2007 GB
EP-C  EP FOR WELL #4NITRATE  Yearly06/01/200606/30/20061Well #4 is on EP-A 08/03/2007 GB

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