OHA Drinking Water Services
OR41
PWS ID: 00230 ---- WESLINN WATER COMPANY

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  9 Years 01/01/2020 - 12/31/2028 988 1 incomplete05/20/2019
DIST-A  Distribution System LEAD & COPPER  3 Years01/01/2026 - 12/31/2026   5incomplete06/15/2023
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  Distribution System STAGE 2 DBP notes3 Years01/01/2028 - 12/31/2028   1 06/30/2025
  Seasonal sampling period:   06/01   thru   06/30
EP-A  EP FOR WELL ARSENIC  9 Years01/01/2020 - 12/31/2028 988 1 done 08/25/2025
EP-A  EP FOR WELL IOC notes9 Years 01/01/2026 - 12/31/2034 3,179 1 incomplete08/25/2025
EP-A  EP FOR WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 257 1 incomplete08/25/2025
EP-A  EP FOR WELL NITRITE  9 Years 01/01/2026 - 12/31/2034 3,179 1 incomplete08/25/2025
EP-A  EP FOR WELL PFAS notes6 Months01/01/2026 - 06/30/2026 73 1 done 01/14/2026
  Initial monitoring - 2 samples only
EP-A  EP FOR WELL RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,179 1 incomplete08/25/2025
EP-A  EP FOR WELL RAD - RADIUM 226/228notes9 Years 01/01/2026 - 12/31/2034 3,179 1 incomplete08/25/2025
EP-A  EP FOR WELL RAD - URANIUM  9 Years 01/01/2023 - 12/31/2031 2,083 1 incomplete05/20/2019
EP-A  EP FOR WELL SOC  3 Years 01/01/2026 - 12/31/2028 988 1 incomplete08/25/2025
EP-A  EP FOR WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 988 1 incomplete08/25/2025

7  secs
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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
DIST-A  Distribution SystemHAA5 & TTHM  3 Years01/01/200512/31/20131Sample between June 1 and Sept. 30.
DIST-A  Distribution SystemHAA5 & TTHM  Yearly01/01/200412/31/20041Sample Between June 1st and Sept 30th Each Year
DIST-A  Distribution SystemLEAD & COPPER  3 Years01/01/200212/31/20165Sample Between June 1st and Sept 30th
DIST-A  Distribution SystemLEAD & COPPER  6 Months01/01/201706/30/20175
DIST-A  Distribution SystemLEAD & COPPER  6 Months01/01/202006/30/20203
DIST-A  Distribution SystemLEAD & COPPER  6 Months07/01/202012/31/20225
EP-A  EP FOR WELLARSENIC  3 Years01/01/200212/31/20191
EP-A  EP FOR WELLIOC  3 Years01/01/200212/31/20071
EP-A  EP FOR WELLNITRATE  Quarterly01/01/201312/31/20131
EP-A  EP FOR WELLNITRATE  Yearly01/01/200212/31/20121
EP-A  EP FOR WELLNITRITE  3 Years01/01/200212/31/20071
EP-A  EP FOR WELLRAD - URANIUM  6 Years01/01/200812/31/20131Schedule Reflects Monitoring Reduction Granted

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