OHA Drinking Water Services
OR41
PWS ID: 00668 ---- ROCKWOOD PUD

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 notesYearly 01/01/2026 - 12/31/2026 295 30 incomplete07/17/2025
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesQuarterly01/01/2026 - 03/31/2026 20 8 done 02/19/2026
EP-C  EP FOR CASCADE WELLS ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,026 1 incomplete07/01/2025
EP-C  EP FOR CASCADE WELLS IOC  3 Years 01/01/2026 - 12/31/2028 1,026 1 incomplete07/01/2025
EP-C  EP FOR CASCADE WELLS NITRATE  Yearly 01/01/2026 - 12/31/2026 295 1 incomplete07/01/2025
EP-C  EP FOR CASCADE WELLS NITRITE  3 Years 01/01/2026 - 12/31/2028 1,026 1 incomplete07/01/2025
EP-C  EP FOR CASCADE WELLS PFAS notesQuarterly 01/01/2026 - 03/31/2026 20 1 incomplete
  Initial monitoring - 4 quarters only
EP-C  EP FOR CASCADE WELLS RAD - GROSS ALPHA notes9 Years 01/01/2023 - 12/31/2031 2,121 1 incomplete12/07/2020
EP-C  EP FOR CASCADE WELLS RAD - RADIUM 226/228notes9 Years 01/01/2023 - 12/31/2031 2,121 1 incomplete12/07/2020
EP-C  EP FOR CASCADE WELLS RAD - URANIUM notes9 Years 01/01/2023 - 12/31/2031 2,121 1 incomplete12/07/2020
EP-C  EP FOR CASCADE WELLS SOC notes3 Years 01/01/2026 - 12/31/2028 1,026 2 incomplete12/04/2025
EP-C  EP FOR CASCADE WELLS VOLATILE ORGANICS notes3 Years 01/01/2026 - 12/31/2028 1,026 1 incomplete07/01/2025

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More information for this water system: SDWIS ID 4107

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