OHA Drinking Water Services
OR41
PWS ID: 00506 ---- NEAHKAHNIE WATER DISTRICT

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 LEAD & COPPER notes3 Years01/01/2027 - 12/31/2027   10 08/21/2024
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 261 2 incomplete08/20/2025
  Seasonal sampling period:   08/01   thru   08/31
EP-A  EP FOR SPRINGSARSENIC notes9 Years01/01/2026 - 12/31/2034 3,183 1 incomplete 08/21/2019
EP-A  EP FOR SPRINGS IOC notes9 Years 01/01/2020 - 12/31/2028 992 1 incomplete08/21/2019
EP-A  EP FOR SPRINGS NITRATE  Yearly 01/01/2026 - 12/31/2026 261 1 incomplete06/18/2025
EP-A  EP FOR SPRINGS NITRITE notes9 Years 01/01/2020 - 12/31/2028 992 1 incomplete08/21/2019
EP-A  EP FOR SPRINGS PFAS notes6 Months 01/01/2026 - 06/30/2026 77 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR SPRINGS RAD - GROSS ALPHA  6 Years01/01/2023 - 12/31/2028 992 1 done 08/16/2023
EP-A  EP FOR SPRINGS RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,183 1 incomplete08/16/2023
EP-A  EP FOR SPRINGS RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,183 1 incomplete08/16/2023
EP-A  EP FOR SPRINGS SOC MINUS SOCR CHEMSnotes9 Years01/01/2020 - 12/31/2028 992 1 done 11/19/2025
EP-A  EP FOR SPRINGS SOCR  3 Years 01/01/2026 - 12/31/2028 992 1 incomplete11/19/2025
EP-A  EP FOR SPRINGS VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 992 1 incomplete10/15/2025
EP-B  EP FOR PIRATES SPRING ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,183 1 incomplete08/21/2019
EP-B  EP FOR PIRATES SPRING IOC notes9 Years 01/01/2020 - 12/31/2028 992 1 incomplete08/21/2019
EP-B  EP FOR PIRATES SPRING NITRATE  Yearly 01/01/2026 - 12/31/2026 261 1 incomplete06/18/2025
EP-B  EP FOR PIRATES SPRING NITRITE notes9 Years 01/01/2020 - 12/31/2028 992 1 incomplete08/21/2019
EP-B  EP FOR PIRATES SPRING PFAS notes6 Months 01/01/2026 - 06/30/2026 77 1 incomplete
  Initial monitoring - 2 samples only
EP-B  EP FOR PIRATES SPRING RAD - GROSS ALPHA  6 Years01/01/2023 - 12/31/2028 992 1 done 08/16/2023
EP-B  EP FOR PIRATES SPRING RAD - RADIUM 226/228 6 Years01/01/2023 - 12/31/2028 992 1 done 08/16/2023
EP-B  EP FOR PIRATES SPRING RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,183 1 incomplete08/16/2023
EP-B  EP FOR PIRATES SPRING SOC MINUS SOCR CHEMSnotes9 Years01/01/2020 - 12/31/2028 992 1 done 11/19/2025
EP-B  EP FOR PIRATES SPRING SOCR  3 Years 01/01/2026 - 12/31/2028 992 1 incomplete11/19/2025
EP-B  EP FOR PIRATES SPRING VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 992 1 incomplete10/15/2025

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