OHA Drinking Water Services
OR41
PWS ID: 00789 ---- SANDY, CITY OF

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-ATOTAL ORGANIC CARBONnotesQuarterly01/01/2026 - 03/31/2026 60 1 incomplete 07/28/2025
DIST-A  DISTRIBUTION SYSTEM ASBESTOS, DIST notes9 Years 01/01/2020 - 12/31/2028 1,066 1 incomplete11/26/2019
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2028 - 12/31/2028   30 08/29/2022
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesQuarterly 01/01/2026 - 03/31/2026 60 4 incomplete08/12/2025
EP-A  EP FOR ALDER CREEK WTP (KEYSTONE/TRIDENT ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,257 1 incomplete07/05/2022
EP-A  EP FOR ALDER CREEK WTP (KEYSTONE/TRIDENT IOC notes9 Years01/01/2020 - 12/31/2028 1,066 1 done 07/05/2022
EP-A  EP FOR ALDER CREEK WTP (KEYSTONE/TRIDENT NITRATE  Yearly 01/01/2026 - 12/31/2026 335 1 incomplete01/28/2025
EP-A  EP FOR ALDER CREEK WTP (KEYSTONE/TRIDENT NITRITE notes9 Years01/01/2020 - 12/31/2028 1,066 1 done 07/05/2022
EP-A  EP FOR ALDER CREEK WTP (KEYSTONE/TRIDENT RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,257 1 incomplete05/02/2017
EP-A  EP FOR ALDER CREEK WTP (KEYSTONE/TRIDENT RAD - RADIUM 226/228notes9 Years 01/01/2026 - 12/31/2034 3,257 1 incomplete05/02/2017
EP-A  EP FOR ALDER CREEK WTP (KEYSTONE/TRIDENT RAD - URANIUM notes9 Years 01/01/2026 - 12/31/2034 3,257 1 incomplete05/02/2017
EP-A  EP FOR ALDER CREEK WTP (KEYSTONE/TRIDENT SOC notes3 Years 01/01/2026 - 12/31/2028 1,066 2 incomplete06/16/2025
EP-A  EP FOR ALDER CREEK WTP (KEYSTONE/TRIDENT VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 335 1 incomplete01/28/2025
EP-B  EP for BROWNELL SPRINGS ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,257 1 incomplete08/01/2022
EP-B  EP for BROWNELL SPRINGS IOC notes9 Years01/01/2020 - 12/31/2028 1,066 1 done 08/01/2022
EP-B  EP for BROWNELL SPRINGS NITRATE  Yearly 01/01/2026 - 12/31/2026 335 1 incomplete01/28/2025
EP-B  EP for BROWNELL SPRINGS NITRITE notes9 Years01/01/2020 - 12/31/2028 1,066 1 done 08/01/2022
EP-B  EP for BROWNELL SPRINGS RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,257 1 incomplete05/02/2017
EP-B  EP for BROWNELL SPRINGS RAD - RADIUM 226/228notes9 Years01/01/2023 - 12/31/2031 2,161 1 done 03/12/2025
EP-B  EP for BROWNELL SPRINGS RAD - URANIUM notes9 Years 01/01/2026 - 12/31/2034 3,257 1 incomplete05/02/2017
EP-B  EP for BROWNELL SPRINGS SOC notes3 Years 01/01/2026 - 12/31/2028 1,066 2 incomplete06/16/2025
EP-B  EP for BROWNELL SPRINGS VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,066 1 incomplete03/12/2025

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
CH-A  COMMON HEADER FOR WTP-ATOC & ALKALINITY  Monthly01/01/200411/30/20101Raw and filtered TOC and alkalinity
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly01/01/200412/31/20102Schedule Reflects 1 RT Sample Per QT Per WTP
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/201109/30/20132Schedule Reflects 1 routine sample per year per WTP
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/200212/31/201320Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/202012/31/202320Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months07/01/201412/31/201540Re-assess in 2015.
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  Yearly01/01/201612/31/201920Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Quarterly10/01/201312/31/20192Sample in Dec, Mar, June, and Sept
EP-A  EP FOR ALDER CREEK WTP (KEYSTONE/TRIDENTARSENIC  Yearly01/01/200212/31/20071
EP-B  EP for BROWNELL SPRINGSARSENIC  3 Years01/01/200212/31/20071
EP-B  EP for BROWNELL SPRINGSRAD - RADIUM 226/228  6 Years01/01/200812/31/20131Schedule Reflects Monitoring Reduction Granted.
WTP-A  TP FOR ALDER CREEK WTP (KEYSTONE/TRIDENTTOTAL ORGANIC CARBON  Monthly01/01/200412/31/20081Post Filtration TOC

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