OHA Drinking Water Services
OR41
PWS ID: 95063 ---- BANDON COASTAL DUNES

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 Years01/01/2028 - 12/31/2028   5 09/25/2025
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP  3 Years01/01/2027 - 12/31/2027   2 07/25/2024
  Seasonal sampling period:   07/01   thru   09/30
EP-A  EP FOR WELLS ARSENIC  Yearly 01/01/2026 - 12/31/2026 238 1 incomplete08/11/2025
EP-A  EP FOR WELLS IOC notes9 Years 01/01/2026 - 12/31/2034 3,160 1 incomplete03/12/2019
EP-A  EP FOR WELLS NITRATE  Yearly 01/01/2026 - 12/31/2026 238 1 incomplete07/14/2025
EP-A  EP FOR WELLS NITRITE notes9 Years 01/01/2026 - 12/31/2034 3,160 1 incomplete03/25/2019
EP-A  EP FOR WELLS PFAS notes6 Months 01/01/2026 - 06/30/2026 54 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR WELLS RAD - GROSS ALPHA  6 Years01/01/2023 - 12/31/2028 969 1 done 02/01/2023
EP-A  EP FOR WELLS RAD - RADIUM 226/228 9 Years01/01/2023 - 12/31/2031 2,064 1 done 02/01/2023
EP-A  EP FOR WELLS RAD - URANIUM  9 Years01/01/2023 - 12/31/2031 2,064 1 done 02/01/2023
EP-A  EP FOR WELLS SOC  3 Years 01/01/2026 - 12/31/2028 969 1 incomplete11/06/2025
EP-A  EP FOR WELLS VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 969 1 incomplete08/16/2023

5  secs
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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly10/01/201009/30/20121
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200409/30/20101Sample between June 1 and Sept. 30.
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/201812/31/20192Collect two dual sample sets in December every year, one set at the driving range and one at the staff housing.
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  Yearly01/01/200212/31/20045Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Quarterly10/01/201509/30/20172Collect dual samples at both locations
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Yearly01/01/201409/30/20152Sample in August
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Yearly01/01/202012/31/20242Collect two dual sample sets in July every year, one set at the driving range and one at the staff housing.
EP-A  EP FOR WELLSARSENIC  3 Years01/01/200212/31/20161
EP-A  EP FOR WELLSARSENIC  9 Years01/01/201703/31/20191Schedule reflects monitoring reduction granted.
EP-A  EP FOR WELLSARSENIC  Quarterly04/01/201912/31/20191
EP-A  EP FOR WELLSARSENIC  Quarterly04/01/202012/31/20211
EP-A  EP FOR WELLSARSENIC  Yearly01/01/202003/31/20201Annual monitoring through 2022 unless additional results exceed the MCL.
EP-A  EP FOR WELLSIOC  3 Years01/01/200212/31/20161
EP-A  EP FOR WELLSNITRITE  3 Years01/01/200212/31/20161
EP-A  EP FOR WELLSRAD - GROSS ALPHA  Quarterly10/01/202112/31/20221
EP-A  EP FOR WELLSRAD - RADIUM 226/228  Quarterly10/01/202112/31/20221
EP-A  EP FOR WELLSRAD - URANIUM  Quarterly10/01/202112/31/20221

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