OHA Drinking Water Services
OR41
PWS ID: 00556 ---- NETARTS WATER DISTRICT

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-A TOC & ALKALINITY notesQuarterly 04/01/2026 - 06/30/2026 66 1 incomplete01/06/2026
DIST-A  DISTRIBUTION SYSTEM ASBESTOS, DIST notes9 Years01/01/2020 - 12/31/2028 981 1 done 06/17/2025
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2028 - 12/31/2028   10 08/13/2025
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 250 1 incomplete09/16/2025
  Seasonal sampling period:   09/01   thru   09/30
EP-A  EP FOR WTP ARSENIC  9 Years 01/01/2026 - 12/31/2034 3,172 1 incomplete11/19/2024
EP-A  EP FOR WTP IOC notes9 Years01/01/2020 - 12/31/2028 981 1 done 11/19/2024
EP-A  EP FOR WTP NITRATE  Yearly 01/01/2026 - 12/31/2026 250 1 incomplete06/17/2025
EP-A  EP FOR WTP NITRITE notes9 Years01/01/2020 - 12/31/2028 981 1 done 11/19/2024
EP-A  EP FOR WTP PFAS notesQuarterly 04/01/2026 - 06/30/2026 66 1 incomplete
  Initial monitoring - 4 quarters only
EP-A  EP FOR WTP RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,172 1 incomplete11/19/2024
EP-A  EP FOR WTP RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,172 1 incomplete11/19/2024
EP-A  EP FOR WTP RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,172 1 incomplete11/19/2024
EP-A  EP FOR WTP SOC  3 Years 01/01/2026 - 12/31/2028 981 1 incomplete04/02/2024
EP-A  EP FOR WTP VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 250 1 incomplete06/17/2025
WTP-A  TP FOR CREEK AND SPRINGTOTAL ORGANIC CARBONnotesQuarterly04/01/2026 - 06/30/2026 66 1 incomplete 01/06/2026

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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  Monthly01/01/200412/31/20041Raw and filtered TOC and alkalinity
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly01/01/200412/31/20041Schedule Reflects 1 RT Sample Per QT Per WTP
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200509/30/20131Sample between June 1 and Sept. 30.
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Quarterly01/01/201912/31/20191Sample in March, June, Sept, Dec
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Quarterly10/01/201312/31/20141Sample in Dec, Mar, June, and Sept
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Yearly01/01/201512/31/20181Sample in December
EP-A  EP FOR WTPARSENIC  Yearly01/01/200212/31/20061
WTP-A  TP FOR CREEK AND SPRINGTOTAL ORGANIC CARBON  Monthly01/01/200412/31/20041Post Filtration TOC

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