OHA Drinking Water Services
OR41
PWS ID: 05940 ---- HILAND WC - WILDERNESS

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 12/31/2025
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notes3 Years01/01/2027 - 12/31/2027   1 08/29/2024
  Seasonal sampling period:   08/01   thru   08/31
EP-A  EP for WELL ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,165 1 incomplete04/05/2022
EP-A  EP for WELL IOC notes9 Years 01/01/2026 - 12/31/2034 3,165 1 incomplete04/05/2022
EP-A  EP for WELL NITRATE  Yearly01/01/2026 - 12/31/2026 243 1 done 01/16/2026
EP-A  EP for WELL NITRITE notes9 Years 01/01/2026 - 12/31/2034 3,165 1 incomplete04/05/2022
EP-A  EP for WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 59 1 incomplete11/14/2025
  Initial monitoring - 2 samples only
EP-A  EP for WELL RAD - GROSS ALPHA  6 Years 01/01/2026 - 12/31/2031 2,069 1 incomplete01/08/2024
EP-A  EP for WELL RAD - RADIUM 226/228notes9 Years 01/01/2026 - 12/31/2034 3,165 1 incomplete01/08/2024
EP-A  EP for WELL RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,165 1 incomplete01/08/2024
EP-A  EP for WELL SOC  3 Years 01/01/2026 - 12/31/2028 974 1 incomplete01/08/2024
EP-A  EP for WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 974 1 incomplete01/08/2024

5  secs
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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/201712/31/20225Collect samples between June 1 and September 30.
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months07/01/200812/31/20125
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months07/01/202312/31/20255
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  Yearly01/01/201312/31/20165Collect samples between Jun 1 and Sept 30
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Yearly01/01/202312/31/20252IDSE study. Collect dual sample sets at expected high TTHM and HAA5 locations
EP-A  EP for WELLARSENIC  3 Years01/01/200812/31/20161
EP-A  EP for WELLIOC  3 Years01/01/200812/31/20161
EP-A  EP for WELLNITRITE  3 Years01/01/200812/31/20161
EP-A  EP for WELLRAD - GROSS ALPHA  9 Years01/01/200812/31/20191Schedule Reflects Monitoring Reduction Granted
EP-A  EP for WELLRAD - URANIUM  6 Years01/01/200812/31/20131

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