OHA Drinking Water Services
OR41
PWS ID: 00839 ---- RAINBOW WATER DISTRICT

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-B  COMMON HEADER FOR WTP-BTOTAL ORGANIC CARBON Quarterly04/01/2024 - 06/30/2024 65 1 incomplete 04/11/2023
DIST-A  DISTRIBUTION SYSTEM ASBESTOS, DIST notes9 Years01/01/2020 - 12/31/2028 1,710 1 done 10/17/2023
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2024 - 12/31/2024   20incomplete07/28/2021
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly01/01/2024 - 12/31/2024 249 2 incomplete08/08/2023
 Seasonal sampling period:  08/01  thru  08/31
EP-A  EP FOR I-5 WELLS #1 & #2 ARSENIC notes9 Years01/01/2023 - 12/31/2031 2,805 1 incomplete07/13/2021
EP-A  EP FOR I-5 WELLS #1 & #2 IOC notes9 Years01/01/2020 - 12/31/2028 1,710 1 done 07/13/2021
EP-A  EP FOR I-5 WELLS #1 & #2 NITRATE  Yearly01/01/2024 - 12/31/2024 249 1 incomplete09/07/2023
EP-A  EP FOR I-5 WELLS #1 & #2 NITRITE notes9 Years01/01/2020 - 12/31/2028 1,710 1 done 07/13/2021
EP-A  EP FOR I-5 WELLS #1 & #2 RAD - GROSS ALPHA  9 Years01/01/2017 - 12/31/2025 614 1 done 07/13/2021
EP-A  EP FOR I-5 WELLS #1 & #2 RAD - RADIUM 226/228 9 Years01/01/2017 - 12/31/2025 614 1 done 07/13/2021
EP-A  EP FOR I-5 WELLS #1 & #2 RAD - URANIUM  9 Years01/01/2023 - 12/31/2031 2,805 1 incomplete07/13/2021
EP-A  EP FOR I-5 WELLS #1 & #2 SOC notes6 Years01/01/2020 - 12/31/2025 614 1 incomplete10/02/2018
EP-A  EP FOR I-5 WELLS #1 & #2 VOLATILE ORGANICS notes6 Years01/01/2020 - 12/31/2025 614 1 incomplete10/02/2018
EP-B  EP FOR CHASE WELLS ARSENIC notes9 Years01/01/2023 - 12/31/2031 2,805 1 incomplete07/13/2021
EP-B  EP FOR CHASE WELLS IOC notes9 Years01/01/2020 - 12/31/2028 1,710 1 done 07/13/2021
EP-B  EP FOR CHASE WELLS NITRATE  Yearly01/01/2024 - 12/31/2024 249 1 incomplete09/07/2023
EP-B  EP FOR CHASE WELLS NITRITE notes9 Years01/01/2020 - 12/31/2028 1,710 1 done 07/13/2021
EP-B  EP FOR CHASE WELLS RAD - GROSS ALPHA  9 Years01/01/2017 - 12/31/2025 614 1 done 07/13/2021
EP-B  EP FOR CHASE WELLS RAD - RADIUM 226/228 9 Years01/01/2017 - 12/31/2025 614 1 done 07/13/2021
EP-B  EP FOR CHASE WELLS RAD - URANIUM  9 Years01/01/2023 - 12/31/2031 2,805 1 incomplete07/13/2021
EP-B  EP FOR CHASE WELLS SOC notes6 Years01/01/2020 - 12/31/2025 614 1 done 10/11/2022
EP-B  EP FOR CHASE WELLS VOLATILE ORGANICS notes6 Years01/01/2020 - 12/31/2025 614 1 done 10/11/2022
EP-C  EP FOR Q ST. WELL ARSENIC notes9 Years01/01/2023 - 12/31/2031 2,805 1 incomplete07/13/2021
EP-C  EP FOR Q ST. WELL IOC notes9 Years01/01/2020 - 12/31/2028 1,710 1 done 07/13/2021
EP-C  EP FOR Q ST. WELL NITRATE  Yearly01/01/2024 - 12/31/2024 249 1 incomplete09/07/2023
EP-C  EP FOR Q ST. WELL NITRITE notes9 Years01/01/2020 - 12/31/2028 1,710 1 done 07/13/2021
EP-C  EP FOR Q ST. WELL RAD - GROSS ALPHA  9 Years01/01/2017 - 12/31/2025 614 1 done 07/13/2021
EP-C  EP FOR Q ST. WELL RAD - RADIUM 226/228 9 Years01/01/2017 - 12/31/2025 614 1 done 07/13/2021
EP-C  EP FOR Q ST. WELL RAD - URANIUM  9 Years01/01/2023 - 12/31/2031 2,805 1 incomplete07/13/2021
EP-C  EP FOR Q ST. WELL SOC notes6 Years01/01/2020 - 12/31/2025 614 1 done 05/02/2023
EP-C  EP FOR Q ST. WELL VOLATILE ORGANICS notes6 Years01/01/2020 - 12/31/2025 614 1 done 05/02/2023
SRC-BB  CHASE WELL #2 CYANOTOXINS  2 Weeks04/21/2024 - 05/04/2024 8 1 incomplete10/23/2023
 Seasonal sampling period:  05/01  thru  10/31

8  secs
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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  3 Years01/01/200501/01/20053Sample between June 1 and Sept. 30. One perWTP.
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  3 Years01/01/201112/31/20131Schedule Reflects Monitoring Reduction Granted (Sample Between June 1 and Sept. 30)
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200412/31/20041Sample Between June 1st and Sept 30th Each Year
EP-A  EP FOR I-5 WELLS #1 & #2ARSENIC  3 Years01/01/200212/31/20131
EP-A  EP FOR I-5 WELLS #1 & #2RAD - URANIUM  6 Years01/01/200812/31/20131
EP-B  EP FOR CHASE WELLSARSENIC  3 Years01/01/200212/31/20131
EP-B  EP FOR CHASE WELLSRAD - URANIUM  6 Years01/01/200812/31/20131
EP-C  EP FOR Q ST. WELLARSENIC  3 Years01/01/200212/31/20131
EP-C  EP FOR Q ST. WELLRAD - URANIUM  6 Years01/01/200812/31/20131
SRC-BB  CHASE WELL #2CYANOTOXINS  2 Weeks07/15/201809/30/20181SRC-BB offline 9/18/2018. Schedule suspended until well is back on line

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