OHA Drinking Water Services
OR41
PWS ID: 00037 ---- OAKWOOD WATER SYSTEM INC

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   5 07/31/2024
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notes3 Years01/01/2027 - 12/31/2027   1 08/12/2024
  Seasonal sampling period:   08/01   thru   08/31
EP-A  EP FOR WELLS 2-4TETRACHLOROETHYLENE  Yearly01/01/2026 - 12/31/2026 249 1 incomplete 11/25/2025
EP-A  EP FOR WELLS 2-4 ARSENIC  9 Years 01/01/2026 - 12/31/2034 3,171 1 incomplete07/08/2019
EP-A  EP FOR WELLS 2-4 IOC notes9 Years 01/01/2020 - 12/31/2028 980 1 incomplete07/08/2019
EP-A  EP FOR WELLS 2-4 NITRATE  Yearly 01/01/2026 - 12/31/2026 249 1 incomplete04/08/2025
EP-A  EP FOR WELLS 2-4 NITRITE notes9 Years 01/01/2020 - 12/31/2028 980 1 incomplete07/08/2019
EP-A  EP FOR WELLS 2-4 PFAS notes6 Months 01/01/2026 - 06/30/2026 65 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR WELLS 2-4 RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,171 1 incomplete11/13/2025
EP-A  EP FOR WELLS 2-4 RAD - RADIUM 226/228notes9 Years 01/01/2026 - 12/31/2034 3,171 1 incomplete11/13/2025
EP-A  EP FOR WELLS 2-4 RAD - URANIUM  9 Years01/01/2020 - 12/31/2028 980 1 done 11/13/2025
EP-A  EP FOR WELLS 2-4 SOC  3 Years 01/01/2026 - 12/31/2028 980 1 incomplete11/13/2025
EP-A  EP FOR WELLS 2-4 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 980 1 incomplete11/25/2025

5  secs
Show Only Active

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
EP-A  EP FOR WELLS 2-4ARSENIC  3 Years01/01/200212/31/20161
EP-A  EP FOR WELLS 2-4RAD - URANIUM  6 Years01/01/200812/31/20191Schedule reflects monitoring reduction granted.

Show Only Active