OHA Drinking Water Services
OR41
PWS ID: 00922 ---- VERNONIA, 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 CARBON Quarterly10/01/2024 - 12/31/2024 78 1 incomplete 07/10/2024
DIST-A  Distribution System ASBESTOS, DIST  9 Years 01/01/2020 - 12/31/2028 1,539 1 incomplete11/05/2019
DIST-A  Distribution System DBP2 HAA5 ONLY notesYearly01/01/2024 - 12/31/2024 78 1 done 06/04/2024
 Seasonal sampling period:  06/01  thru  06/30
DIST-A  Distribution System DBP2 TTHM ONLY notesYearly 01/01/2024 - 12/31/2024 78 1 incomplete09/12/2023
 Seasonal sampling period:  09/01  thru  09/30
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2025 - 12/31/2025   10 07/20/2022
 Seasonal sampling period:  06/01  thru  09/30
EP-A  EP FOR ROCK CREEK ARSENIC notes9 Years 01/01/2020 - 12/31/2028 1,539 1 incomplete11/05/2019
EP-A  EP FOR ROCK CREEK IOC notes9 Years 01/01/2020 - 12/31/2028 1,539 1 incomplete11/05/2019
EP-A  EP FOR ROCK CREEK NITRATE  Yearly01/01/2024 - 12/31/2024 78 1 done 06/04/2024
EP-A  EP FOR ROCK CREEK NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,539 1 incomplete11/05/2019
EP-A  EP FOR ROCK CREEK RAD - GROSS ALPHA  9 Years 01/01/2017 - 12/31/2025 443 1 incomplete12/13/2010
EP-A  EP FOR ROCK CREEK RAD - RADIUM 226/228 9 Years 01/01/2017 - 12/31/2025 443 1 incomplete12/13/2010
EP-A  EP FOR ROCK CREEK RAD - URANIUM  9 Years 01/01/2017 - 12/31/2025 443 1 incomplete12/13/2010
EP-A  EP FOR ROCK CREEK SOC  3 Years 01/01/2023 - 12/31/2025 443 1 incomplete11/08/2022
EP-A  EP FOR ROCK CREEK VOLATILE ORGANICS  Yearly01/01/2024 - 12/31/2024 78 1 done 06/04/2024
WTP-A  TP FOR ROCK CREEKTOTAL ORGANIC CARBON Quarterly10/01/2024 - 12/31/2024 78 1 incomplete 07/10/2024

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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  Monthly04/01/201210/31/20141
CH-A  COMMON HEADER FOR WTP-ATOC & ALKALINITY  Quarterly01/01/201509/30/20221
CH-A  COMMON HEADER FOR WTP-ATOTAL ORGANIC CARBON  Monthly01/01/200403/31/20121Raw Water TOC Only Required for Reduction in DBP Monitoring
DIST-A  Distribution SystemDBP2 HAA5 ONLY  Quarterly10/01/201309/30/20141Sample in Dec, Mar, June, and Sept at DBP MAX 02-KNOTT ST
DIST-A  Distribution SystemDBP2 TTHM ONLY  Quarterly10/01/201309/30/20141Sample in Dec, Mar, June, and Sept at DBP MAX 01-NEHALEM HWY
DIST-A  Distribution SystemHAA5 & TTHM  Quarterly01/01/200409/30/20131Schedule Reflects 1 RT Sample Per QT Per WTP
DIST-A  Distribution SystemLEAD & COPPER  6 Months01/01/200312/31/200320
DIST-A  Distribution SystemLEAD & COPPER  6 Months01/01/200812/31/200820
DIST-A  Distribution SystemLEAD & COPPER  Yearly01/01/200212/31/200210Sample Between June 1st and Sept 30th
DIST-A  Distribution SystemLEAD & COPPER  Yearly01/01/200412/31/200710Sample Between June 1st and Sept 30th
DIST-A  Distribution SystemLEAD & COPPER  Yearly01/01/200912/31/201310Sample between June 1st and Sept 30th
EP-A  EP FOR ROCK CREEKARSENIC  Yearly01/01/200212/31/20101
WTP-A  TP FOR ROCK CREEKTOC & ALKALINITY  Monthly11/01/201310/31/20141

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