OHA Drinking Water Services
OR41
PWS ID: 00213 ---- COQUILLE, CITY OF

See also: Coliform Schedules  ::  LT2 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
CH-A  COMMON HEADER FOR WTP-A TOC & ALKALINITY  Quarterly 01/01/2026 - 03/31/2026 33 1 incomplete05/15/2025
DIST-A  DISTRIBUTION SYSTEM ASBESTOS, DIST  9 Years01/01/2020 - 12/31/2028 1,039 1 done 04/21/2022
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2028 - 12/31/2028   20 05/07/2025
  Seasonal sampling period:   02/01   thru   05/31
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 308 1 incomplete09/09/2025
  Seasonal sampling period:   09/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 308 1 incomplete09/09/2025
  Seasonal sampling period:   12/01   thru   12/31
EP-AA  EP FOR RINK CREEK ARSENIC notes9 Years01/01/2020 - 12/31/2028 1,039 1 done 05/12/2021
  Seasonal sampling period:   12/01   thru   05/31
EP-AA  EP FOR RINK CREEK IOC notes9 Years01/01/2020 - 12/31/2028 1,039 1 done 05/12/2021
  Seasonal sampling period:   12/01   thru   05/31
EP-AA  EP FOR RINK CREEK NITRATE notesYearly 01/01/2026 - 12/31/2026 308 1 incomplete11/25/2024
  Seasonal sampling period:   12/01   thru   05/31
EP-AA  EP FOR RINK CREEK NITRITE notes9 Years01/01/2020 - 12/31/2028 1,039 1 done 05/12/2021
  Seasonal sampling period:   12/01   thru   05/31
EP-AA  EP FOR RINK CREEK PFAS notesQuarterly 01/01/2026 - 03/31/2026 33 1 incomplete12/11/2023
  Initial monitoring - 4 quarters only
EP-AA  EP FOR RINK CREEK RAD - GROSS ALPHA notes9 Years 01/01/2023 - 12/31/2031 2,134 1 incomplete03/06/2017
  Seasonal sampling period:   12/01   thru   05/31
EP-AA  EP FOR RINK CREEK RAD - RADIUM 226/228notes9 Years 01/01/2026 - 12/31/2034 3,230 1 incomplete03/06/2017
  Seasonal sampling period:   12/01   thru   05/31
EP-AA  EP FOR RINK CREEK RAD - URANIUM notes9 Years 01/01/2023 - 12/31/2031 2,134 1 incomplete03/06/2017
  Seasonal sampling period:   12/01   thru   05/31
EP-AA  EP FOR RINK CREEK SOC notes3 Years 01/01/2026 - 12/31/2028 1,039 2 incomplete05/12/2021
  Seasonal sampling period:   12/01   thru   05/31
EP-AA  EP FOR RINK CREEK VOLATILE ORGANICS notesYearly 01/01/2026 - 12/31/2026 308 1 incomplete12/10/2024
  Seasonal sampling period:   12/01   thru   05/31
EP-AB  EP FOR COQUILLE RIVER ARSENIC notes9 Years01/01/2020 - 12/31/2028 1,039 1 done 08/22/2022
  Seasonal sampling period:   06/01   thru   11/30
EP-AB  EP FOR COQUILLE RIVER IOC notes9 Years01/01/2020 - 12/31/2028 1,039 1 done 08/22/2022
  Seasonal sampling period:   06/01   thru   11/30
EP-AB  EP FOR COQUILLE RIVER NITRATE notesYearly 01/01/2026 - 12/31/2026 308 1 incomplete08/20/2025
  Seasonal sampling period:   06/01   thru   11/30
EP-AB  EP FOR COQUILLE RIVER NITRITE notes9 Years01/01/2020 - 12/31/2028 1,039 1 done 08/24/2022
  Seasonal sampling period:   06/01   thru   11/30
EP-AB  EP FOR COQUILLE RIVER PFAS notesQuarterly 01/01/2026 - 03/31/2026 33 1 incomplete09/18/2023
  Initial monitoring - 4 quarters only
EP-AB  EP FOR COQUILLE RIVER RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,230 1 incomplete07/10/2017
  Seasonal sampling period:   06/01   thru   11/30
EP-AB  EP FOR COQUILLE RIVER RAD - RADIUM 226/228notes9 Years 01/01/2026 - 12/31/2034 3,230 1 incomplete07/10/2017
  Seasonal sampling period:   06/01   thru   11/30
EP-AB  EP FOR COQUILLE RIVER RAD - URANIUM notes9 Years 01/01/2023 - 12/31/2031 2,134 1 incomplete07/10/2017
  Seasonal sampling period:   06/01   thru   11/30
EP-AB  EP FOR COQUILLE RIVER SOC notes3 Years 01/01/2026 - 12/31/2028 1,039 2 incomplete08/20/2025
  Seasonal sampling period:   06/01   thru   11/30
EP-AB  EP FOR COQUILLE RIVER VOLATILE ORGANICS notesYearly 01/01/2026 - 12/31/2026 308 1 incomplete09/09/2025
  Seasonal sampling period:   06/01   thru   11/30
WTP-A  TP FOR RINK CREEK & COQUILLE RIVERTOTAL ORGANIC CARBON Quarterly01/01/2026 - 03/31/2026 33 1 incomplete 05/15/2025

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