OHA Drinking Water Services
OR41
PWS ID: 01062 ---- RAINBOW ROCK VILLAGE MHP

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
CH-A  COMMON HEADER FOR WTP-A TOC & ALKALINITY  Quarterly 04/01/2026 - 06/30/2026 55 1 incomplete09/24/2025
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER  6 Months 01/01/2026 - 06/30/2026 55 5 incomplete12/17/2025
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 239 1 incomplete09/24/2025
  Seasonal sampling period:   09/01   thru   09/30
EP-A  EP FOR WTP ARSENIC notes9 Years01/01/2020 - 12/31/2028 970 1 done 09/24/2025
EP-A  EP FOR WTP IOC notes9 Years01/01/2020 - 12/31/2028 970 1 done 09/24/2025
EP-A  EP FOR WTP NITRATE  Yearly 01/01/2026 - 12/31/2026 239 1 incomplete09/24/2025
EP-A  EP FOR WTP NITRITE notes9 Years01/01/2020 - 12/31/2028 970 1 done 09/24/2025
EP-A  EP FOR WTP PFAS notesQuarterly 04/01/2026 - 06/30/2026 55 1 incomplete
  Initial monitoring - 4 quarters only
EP-A  EP FOR WTP RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,161 1 incomplete09/24/2025
EP-A  EP FOR WTP RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,161 1 incomplete09/24/2025
EP-A  EP FOR WTP RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,161 1 incomplete09/24/2025
EP-A  EP FOR WTP SOC  3 Years 01/01/2026 - 12/31/2028 970 1 incomplete09/24/2025
EP-A  EP FOR WTP VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 239 1 incomplete07/09/2025

5  secs
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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  Monthly01/01/200412/31/20241Raw Water TOC Only Required for Reduction in DBP Monitoring
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200412/31/20131Sample between June 1 and Sept. 30.
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/200212/31/20235Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Quarterly01/01/202112/31/20231
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Yearly01/01/201412/31/20181Sample in September
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Yearly01/01/201912/31/20201Collect sample every November at Space #8.
EP-A  EP FOR WTPARSENIC  Yearly01/01/200212/31/20071
EP-A  EP FOR WTPNITRATE  Quarterly01/01/200412/31/20041
EP-A  EP FOR WTPNITRATE  Yearly01/01/200212/31/20031

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