OHA Drinking Water Services
OR41
PWS ID: 91914 ---- MANZANITA ELEMENTARY

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 07/09/2024
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP for WELL ARSENIC  3 Years 01/01/2026 - 12/31/2028 970 1 incomplete05/05/2025
EP-A  EP for WELL IOC notes9 Years 01/01/2020 - 12/31/2028 970 1 incomplete04/22/2019
EP-A  EP for WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 239 1 incomplete05/05/2025
EP-A  EP for WELL NITRITE notes9 Years 01/01/2020 - 12/31/2028 970 1 incomplete04/22/2019
EP-A  EP for WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 55 1 incomplete12/10/2025
  Initial monitoring - 2 samples only
EP-A  EP for WELL SOC  3 Years 01/01/2026 - 12/31/2028 970 1 incomplete05/05/2025
EP-A  EP for WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 970 1 incomplete05/05/2025

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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
EP-A  EP for WELLDICHLOROMETHANE  Quarterly01/01/200812/31/20091Schedule Reflects Increased Monitoring
EP-A  EP for WELLDICHLOROMETHANE  Yearly01/01/201012/31/20121Schedule Reflects Increased Monitoring (Sample Between 07/01 and 09/30)
EP-A  EP for WELLIOC  3 Years01/01/200212/31/20041
EP-A  EP for WELLNITRITE  3 Years01/01/200212/31/20101
EP-A  EP for WELLVOLATILE ORGANICS  3 Years01/01/200212/31/20131Minus Dichloromethane (2010-2012)

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