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 340 30 incomplete07/17/2025
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesQuarterly 01/01/2026 - 03/31/2026 65 8 incomplete11/10/2025
EP-C  EP FOR TREATED CASCADE WELLS ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,071 1 incomplete07/01/2025
EP-C  EP FOR TREATED CASCADE WELLS IOC  3 Years 01/01/2026 - 12/31/2028 1,071 1 incomplete07/01/2025
EP-C  EP FOR TREATED CASCADE WELLS NITRATE  Yearly 01/01/2026 - 12/31/2026 340 1 incomplete07/01/2025
EP-C  EP FOR TREATED CASCADE WELLS NITRITE  3 Years 01/01/2026 - 12/31/2028 1,071 1 incomplete07/01/2025
EP-C  EP FOR TREATED CASCADE WELLS RAD - GROSS ALPHA notes9 Years 01/01/2023 - 12/31/2031 2,166 1 incomplete12/07/2020
EP-C  EP FOR TREATED CASCADE WELLS RAD - RADIUM 226/228notes9 Years 01/01/2023 - 12/31/2031 2,166 1 incomplete12/07/2020
EP-C  EP FOR TREATED CASCADE WELLS RAD - URANIUM notes9 Years 01/01/2023 - 12/31/2031 2,166 1 incomplete12/07/2020
EP-C  EP FOR TREATED CASCADE WELLS SOC notes3 Years 01/01/2026 - 12/31/2028 1,071 2 incomplete12/04/2025
EP-C  EP FOR TREATED CASCADE WELLS VOLATILE ORGANICS notes3 Years 01/01/2026 - 12/31/2028 1,071 1 incomplete07/01/2025

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More information for this water system: SDWIS ID 4107
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