OHA Drinking Water Services
OR41
PWS ID: 01093 ---- USFS TIMBER LAKE JCC

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 1,008 1 incomplete09/30/2019
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2027 - 12/31/2027   5 09/09/2024
  Seasonal sampling period:   06/01   thru   09/30
EP-C  EP FOR WELL ARSENIC  9 Years 01/01/2020 - 12/31/2028 1,008 1 incomplete09/28/2016
EP-C  EP FOR WELL IOC  9 Years 01/01/2020 - 12/31/2028 1,008 1 incomplete09/28/2016
EP-C  EP FOR WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 277 1 incomplete10/29/2025
EP-C  EP FOR WELL NITRITE  9 Years 01/01/2020 - 12/31/2028 1,008 1 incomplete09/28/2016
EP-C  EP FOR WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 93 1 incomplete04/07/2025
  Initial monitoring - 2 samples only
EP-C  EP FOR WELL SOC  3 Years 01/01/2026 - 12/31/2028 1,008 1 incomplete10/29/2025
EP-C  EP FOR WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,008 1 incomplete10/29/2025

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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
CH-A  COMMON HEADER FOR WTP-ATOTAL ORGANIC CARBON  Monthly01/01/200412/31/20031Raw Water TOC Only Required for Reduction in DBP Monitoring
DIST-A  DISTRIBUTION SYSTEMASBESTOS, DIST  3 Years01/01/200212/31/20101
DIST-A  DISTRIBUTION SYSTEMASBESTOS, DIST  9 Years01/01/201112/31/20191
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200412/31/20052as per Gregg Baird's request 9/2006
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/200210/09/20205Sample Between June 1st and Sept 30th
EP-A  EP FOR FROG LAKEARSENIC  Yearly01/01/200203/14/20061
EP-A  EP FOR FROG LAKEIOC  9 Years01/01/200203/14/20061Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR FROG LAKENITRATE  Yearly01/01/200203/14/20061
EP-A  EP FOR FROG LAKENITRITE  9 Years01/01/200203/14/20061Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR FROG LAKESOC  3 Years01/01/200203/14/20061
EP-A  EP FOR FROG LAKEVOLATILE ORGANICS  Yearly01/01/200203/14/20061
EP-B  EP FOR SPRINGARSENIC  3 Years01/01/200204/06/20061
EP-B  EP FOR SPRINGIOC  9 Years01/01/200204/06/20061Schedule Reflects Monitoring Reduction Granted
EP-B  EP FOR SPRINGNITRATE  Yearly01/01/200204/06/20061
EP-B  EP FOR SPRINGNITRITE  9 Years01/01/200204/06/20061Schedule Reflects Monitoring Reduction Granted
EP-B  EP FOR SPRINGSOC  3 Years01/01/200204/06/20061
EP-B  EP FOR SPRINGVOLATILE ORGANICS  3 Years01/01/200204/06/20061
EP-C  EP FOR WELLARSENIC  3 Years01/01/200512/31/20161
EP-C  EP FOR WELLARSENIC  9 Years01/01/201712/31/20191Schedule Reflects Monitoring Reduction Granted
EP-C  EP FOR WELLIOC  3 Years01/01/200512/31/20161
EP-C  EP FOR WELLIOC  9 Years01/01/201712/31/20191Schedule Reflects Monitoring Reduction Granted
EP-C  EP FOR WELLNITRATE  Yearly01/01/200710/09/20201
EP-C  EP FOR WELLNITRATE  Yearly06/01/200612/31/20061
EP-C  EP FOR WELLNITRITE  3 Years01/01/200512/31/20161
EP-C  EP FOR WELLNITRITE  9 Years01/01/201712/31/20191Schedule Reflects Monitoring Reduction Granted
EP-C  EP FOR WELLSOC  3 Years01/01/200512/31/20191
EP-C  EP FOR WELLVOLATILE ORGANICS  3 Years01/01/200512/31/20191

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