OHA Drinking Water Services
Related:  Coliform Schedules

PWS ID: 00461 ---- RIVERGROVE WATER DISTRICT

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 ASBESTOS, DIST notes9 Years01/01/2020 - 12/31/2028 2,224 1 incomplete09/25/2019
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2022 - 12/31/2022   20done 06/07/2022
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  Distribution System STAGE 2 DBP notesYearly01/01/2022 - 12/31/2022 32 2 done 08/12/2022
 Seasonal sampling period:  08/01  thru  08/31
EP-A  EP FOR WELL #1 NITRATE notesYearly01/01/2022 - 12/31/2022 32 1 done 08/11/2022
EP-B  EP FOR WELL #2TOTAL POLYCHLORINATED BIPHENYLS (PCB) 3 Years01/01/2020 - 12/31/2022 32 2 incomplete 09/12/2022
EP-B  EP FOR WELL #2 ARSENIC notes9 Years01/01/2017 - 12/31/2025 1,128 1 done 08/17/2020
EP-B  EP FOR WELL #2 IOC notes9 Years01/01/2020 - 12/31/2028 2,224 1 done 08/17/2020
EP-B  EP FOR WELL #2 NITRATE  Yearly01/01/2022 - 12/31/2022 32 1 done 08/11/2022
EP-B  EP FOR WELL #2 NITRITE notes9 Years01/01/2020 - 12/31/2028 2,224 1 done 08/17/2020
EP-B  EP FOR WELL #2 RAD - GROSS ALPHA  6 Years01/01/2017 - 12/31/2022 32 1 done 08/17/2020
EP-B  EP FOR WELL #2 RAD - RADIUM 226/228 9 Years01/01/2017 - 12/31/2025 1,128 1 done 08/17/2020
EP-B  EP FOR WELL #2 RAD - URANIUM  9 Years01/01/2014 - 12/31/2022 32 1 done 08/17/2020
EP-B  EP FOR WELL #2 SOC MINUS SOCR CHEMSnotes9 Years01/01/2017 - 12/31/2025 1,128 2 incomplete03/26/2014
EP-B  EP FOR WELL #2 SOCR  3 Years01/01/2020 - 12/31/2022 32 2 incomplete09/12/2022
EP-B  EP FOR WELL #2 VOLATILE ORGANICS  3 Years01/01/2020 - 12/31/2022 32 1 done 08/11/2022
EP-C  EP FOR OLSON WELL NITRATE notesYearly01/01/2022 - 12/31/2022 32 1 done 08/11/2022

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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
DIST-A  Distribution SystemHAA5 & TTHM  3 Years01/01/200512/31/20131Sample between June 1 and Sept. 30.
DIST-A  Distribution SystemHAA5 & TTHM  Yearly01/01/200412/31/20041Sample Between June 1st and Sept 30th Each Year
DIST-A  Distribution SystemLEAD & COPPER  3 Years01/01/200212/31/201220New Well #3 drilled in 2010, and put online in 2012 resets the Lead & Copper sampling to two 6-month demonstration rounds.
EP-A  EP FOR WELL #1ARSENIC  3 Years01/01/200212/31/20071
EP-A  EP FOR WELL #1ARSENIC  9 Years01/01/200812/31/20121Wellfield designation in Feb. 2013. Sample all 3 wells' via Well #2.
EP-A  EP FOR WELL #1IOC  9 Years01/01/200212/31/20121Wellfield designation in Feb. 2013. Sample all 3 wells' via Well #2.
EP-A  EP FOR WELL #1NITRITE  9 Years01/01/200212/31/20121Wellfield designation in Feb. 2013. Sample all 3 wells' via Well #2.
EP-A  EP FOR WELL #1RAD - GROSS ALPHA  9 Years01/01/200812/31/20121Wellfield designation in Feb. 2013. Sample all 3 wells' via Well #2.
EP-A  EP FOR WELL #1RAD - RADIUM 226/228  9 Years01/01/200812/31/20121Wellfield designation in Feb. 2013. Sample all 3 wells' via Well #2.
EP-A  EP FOR WELL #1RAD - URANIUM  6 Years01/01/200812/31/20121Wellfield designation in Feb. 2013. Sample all 3 wells' via Well #2.
EP-A  EP FOR WELL #1SOC  3 Years01/01/200212/31/200722 Consec. QT Samples
EP-A  EP FOR WELL #1SOC MINUS SOCR CHEMS  9 Years01/01/200812/31/20122
EP-A  EP FOR WELL #1SOCR  3 Years01/01/200812/31/20102Closed schedule on 12/31/10 to prevent/reduce violations.
EP-A  EP FOR WELL #1TOTAL POLYCHLORINATED BIPHENYLS (PCB)  3 Years01/02/200812/31/20102
EP-A  EP FOR WELL #1VOLATILE ORGANICS  3 Years01/01/200212/31/20121Wellfield designation in Feb. 2013. Sample all 3 wells' via Well #2.
EP-B  EP FOR WELL #2ARSENIC  3 Years01/01/200212/31/20071
EP-B  EP FOR WELL #2RAD - GROSS ALPHA  9 Years01/01/200812/31/20161
EP-B  EP FOR WELL #2RAD - URANIUM  6 Years01/01/200812/31/20131
EP-B  EP FOR WELL #2SOC  3 Years01/01/200212/31/200722 Consec. QT Samples

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For further information on this public water system, click on the area of interest below:
System Info :: Report for Lenders :: Alerts :: Violations :: Compliance & Enforcement :: Contacts & Advisories :: Site Visits :: Public Notice
Coliform Summary :: Coliform Results :: Sampling Schedule for Coliform :: Groundwater/GWUDI Source Details :: Plan Review :: Annual Fee
Chemical Group Summary :: Latest Chemical Results :: Entry Point Detects :: Single Analyte Results 
Chemical Schedule Summary :: Chemical Schedule Details
Lead & Copper :: Corrosion Control (LCR) :: Nitrate :: Arsenic :: Radionuclides :: GWR 4-Log :: LT2 :: Cyanotoxins :: PFAS
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 3348