OHA Drinking Water Services
OR41
PWS ID: 01426 ---- VALLEY VISTA WATER IMPROV DIST

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 notes3 Years01/01/2027 - 12/31/2027   5 07/19/2024
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  Distribution System STAGE 2 DBP notes3 Years01/01/2025 - 12/31/2025   1incomplete07/12/2022
 Seasonal sampling period:  09/01  thru  09/30
EP-A  EP FOR WELLS #1 & #2 ARSENIC  Yearly 01/01/2025 - 12/31/2025 295 1 incomplete05/02/2023
EP-A  EP FOR WELLS #1 & #2 IOC notes9 Years 01/01/2020 - 12/31/2028 1,391 1 incomplete03/05/2019
EP-A  EP FOR WELLS #1 & #2 NITRATE  Yearly 01/01/2025 - 12/31/2025 295 1 incomplete05/02/2023
EP-A  EP FOR WELLS #1 & #2 NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,391 1 incomplete03/05/2019
EP-A  EP FOR WELLS #1 & #2 RAD - GROSS ALPHA  9 Years 01/01/2020 - 12/31/2028 1,391 1 incomplete03/05/2019
EP-A  EP FOR WELLS #1 & #2 RAD - RADIUM 226/228 9 Years 01/01/2020 - 12/31/2028 1,391 1 incomplete03/05/2019
EP-A  EP FOR WELLS #1 & #2 RAD - URANIUM  9 Years 01/01/2017 - 12/31/2025 295 1 incomplete06/29/2012
EP-A  EP FOR WELLS #1 & #2 SOC MINUS SOCR CHEMSnotes9 Years 01/01/2020 - 12/31/2028 1,391 1 incomplete09/18/2014
EP-A  EP FOR WELLS #1 & #2 SOCR  3 Years 01/01/2023 - 12/31/2025 295 1 incomplete03/31/2022
EP-A  EP FOR WELLS #1 & #2 VOLATILE ORGANICS  3 Years 01/01/2023 - 12/31/2025 295 1 incomplete04/13/2022

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  Distribution SystemHAA5 & TTHM  3 Years01/01/201112/31/20131Sample between June 1 and Sep 30
DIST-A  Distribution SystemHAA5 & TTHM  Yearly01/01/200812/31/20101Sample between June 1 and Sept. 30.
DIST-A  Distribution SystemSTAGE 2 DBP  3 Years01/01/202012/31/20221Sample in the third calendar quarter, every third year at 295 Robleda Drive.
DIST-A  Distribution SystemSTAGE 2 DBP  Yearly01/01/201412/31/20191Sample in August
EP-A  EP FOR WELLS #1 & #2ARSENIC  3 Years01/01/200212/31/20081
EP-A  EP FOR WELLS #1 & #2ARSENIC  3 Years01/01/201312/31/20221
EP-A  EP FOR WELLS #1 & #2ARSENIC  Quarterly01/01/200909/30/20121
EP-A  EP FOR WELLS #1 & #2RAD - GROSS ALPHA  6 Years01/01/200812/31/20191
EP-A  EP FOR WELLS #1 & #2RAD - RADIUM 226/228  6 Years01/01/200812/31/20191

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