OHA Drinking Water Services
OR41
PWS ID: 00260 ---- DRAIN, CITY OF

See also: Coliform Schedules  ::  LT2 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 981 1 incomplete09/13/2012
DIST-A  DISTRIBUTION SYSTEM DBP2 HAA5 ONLY notesQuarterly 04/01/2026 - 06/30/2026 66 1 incomplete02/03/2026
DIST-A  DISTRIBUTION SYSTEM DBP2 TTHM ONLY notesQuarterly 04/01/2026 - 06/30/2026 66 1 incomplete02/03/2026
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes6 Months 01/01/2026 - 06/30/2026 66 20 incomplete10/28/2025
EP-A  EP FOR BEAR CREEK ARSENIC notes9 Years01/01/2020 - 12/31/2028 981 1 done 11/09/2021
EP-A  EP FOR BEAR CREEK IOC notes9 Years01/01/2020 - 12/31/2028 981 1 done 11/09/2021
EP-A  EP FOR BEAR CREEK NITRATE  Yearly 01/01/2026 - 12/31/2026 250 1 incomplete07/29/2025
EP-A  EP FOR BEAR CREEK NITRITE notes9 Years01/01/2020 - 12/31/2028 981 1 done 11/09/2021
EP-A  EP FOR BEAR CREEK PFAS notesQuarterly 04/01/2026 - 06/30/2026 66 1 incomplete12/17/2025
  Initial monitoring - 4 quarters only
EP-A  EP FOR BEAR CREEK RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,172 1 incomplete07/22/2025
EP-A  EP FOR BEAR CREEK RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,172 1 incomplete07/22/2025
EP-A  EP FOR BEAR CREEK RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,172 1 incomplete07/22/2025
EP-A  EP FOR BEAR CREEK SOC  3 Years 01/01/2026 - 12/31/2028 981 1 incomplete07/29/2025
EP-A  EP FOR BEAR CREEK VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 250 1 incomplete07/22/2025
SRC-AA  BEAR CREEK (WHIPPLE RESERVOIR) CYANOTOXINS  2 Weeks 04/19/2026 - 05/02/2026 7 1 incomplete08/15/2022
  Seasonal sampling period:   05/01   thru   10/31

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