OHA Drinking Water Services
OR41
PWS ID: 00279 ---- ESTACADA, 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 CARBONnotesQuarterly04/01/2024 - 06/30/2024 67 1 incomplete 03/05/2024
DIST-A  DISTRIBUTION SYSTEM ASBESTOS, DIST notes9 Years01/01/2020 - 12/31/2028 1,712 1 done 03/01/2023
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2025 - 12/31/2025   20 08/18/2022
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly01/01/2024 - 12/31/2024 251 2 incomplete11/13/2023
 Seasonal sampling period:  11/01  thru  11/30
EP-A  EP FOR CLACKAMAS RIVER ARSENIC notes9 Years01/01/2020 - 12/31/2028 1,712 1 incomplete04/17/2018
EP-A  EP FOR CLACKAMAS RIVER IOC notes9 Years01/01/2020 - 12/31/2028 1,712 1 incomplete04/17/2018
EP-A  EP FOR CLACKAMAS RIVER NITRATE  Yearly01/01/2024 - 12/31/2024 251 1 done 03/05/2024
EP-A  EP FOR CLACKAMAS RIVER NITRITE notes9 Years01/01/2020 - 12/31/2028 1,712 1 incomplete04/17/2018
EP-A  EP FOR CLACKAMAS RIVER RAD - GROSS ALPHA  9 Years01/01/2017 - 12/31/2025 616 1 incomplete08/03/2016
EP-A  EP FOR CLACKAMAS RIVER RAD - RADIUM 226/228 9 Years01/01/2017 - 12/31/2025 616 1 incomplete08/03/2016
EP-A  EP FOR CLACKAMAS RIVER RAD - URANIUM  9 Years01/01/2017 - 12/31/2025 616 1 incomplete08/03/2016
EP-A  EP FOR CLACKAMAS RIVER SOC notes3 Years01/01/2023 - 12/31/2025 616 2 incomplete02/22/2022
EP-A  EP FOR CLACKAMAS RIVER VOLATILE ORGANICS  Yearly01/01/2024 - 12/31/2024 251 1 incomplete03/01/2023
SRC-AA  CLACKAMAS RIVER CYANOTOXINS  2 Weeks04/21/2024 - 05/04/2024 10 1 incomplete10/23/2023
 Seasonal sampling period:  05/01  thru  10/31

7  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-ATOC & ALKALINITY  Monthly01/01/200403/31/20081Raw and filtered TOC and alkalinity
CH-A  COMMON HEADER FOR WTP-ATOC & ALKALINITY  Quarterly04/01/200809/30/20131TOC required for Stage 1 and Stage 2 sampling: OAR 333-061-0036(4)(n)
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly01/01/200412/31/20051Schedule Reflects 1 RT Sample Per QT Per WTP
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200609/30/20131Sample between June 1 and Sept. 30.
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/200212/31/201910Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Quarterly10/01/201309/30/20201Sample in Dec, Mar, June, and Sept
EP-A  EP FOR CLACKAMAS RIVERARSENIC  Yearly01/01/200212/31/20061
EP-A  EP FOR CLACKAMAS RIVERDICHLOROMETHANE  Quarterly04/01/202112/31/20221
EP-A  EP FOR CLACKAMAS RIVERSOC  3 Years01/01/200212/31/20191
EP-A  EP FOR CLACKAMAS RIVERVOLATILE ORGANICS  Yearly01/01/200212/31/20151
EP-A  EP FOR CLACKAMAS RIVERVOLATILE ORGANICS  Yearly01/01/201612/31/20221
EP-A  EP FOR CLACKAMAS RIVERXYLENES, TOTAL   Quarterly07/01/201412/31/20151
WTP-A  TP FOR CLACKAMAS RIVERTOTAL ORGANIC CARBON  Monthly01/01/200412/31/20071Not req'd for 2.0 log plant

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More information for this water system: SDWIS ID 3950
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