OHA Drinking Water Services
OR41
PWS ID: 00799 ---- SEASIDE WATER DEPARTMENT

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 CYANOTOXINS  2 Weeks-- -- -- -- --10/27/2025
  Seasonal sampling period:   05/01   thru   10/31
CH-A  COMMON HEADER FOR WTP-A TOC & ALKALINITY notesQuarterly 04/01/2026 - 06/30/2026 86 1 incomplete10/14/2025
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2028 - 12/31/2028   20 09/09/2025
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 270 1 incomplete10/14/2025
  Seasonal sampling period:   10/01   thru   10/31
EP-A  EP FOR SOUTH FORK NECANICUM RIVER ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,192 1 incomplete10/01/2024
EP-A  EP FOR SOUTH FORK NECANICUM RIVER IOC notes9 Years01/01/2020 - 12/31/2028 1,001 1 done 03/17/2020
EP-A  EP FOR SOUTH FORK NECANICUM RIVER NITRATE  Yearly 01/01/2026 - 12/31/2026 270 1 incomplete02/04/2025
EP-A  EP FOR SOUTH FORK NECANICUM RIVER NITRITE notes9 Years01/01/2020 - 12/31/2028 1,001 1 done 03/17/2020
EP-A  EP FOR SOUTH FORK NECANICUM RIVER PFAS notesQuarterly 04/01/2026 - 06/30/2026 86 1 incomplete
  Initial monitoring - 4 quarters only
EP-A  EP FOR SOUTH FORK NECANICUM RIVER RAD - GROSS ALPHA notes9 Years 01/01/2023 - 12/31/2031 2,096 1 incomplete05/15/2018
EP-A  EP FOR SOUTH FORK NECANICUM RIVER RAD - RADIUM 226/228notes9 Years 01/01/2023 - 12/31/2031 2,096 1 incomplete05/15/2018
EP-A  EP FOR SOUTH FORK NECANICUM RIVER RAD - URANIUM notes9 Years 01/01/2026 - 12/31/2034 3,192 1 incomplete05/15/2018
EP-A  EP FOR SOUTH FORK NECANICUM RIVER SOC notes3 Years 01/01/2026 - 12/31/2028 1,001 2 incomplete04/11/2023
EP-A  EP FOR SOUTH FORK NECANICUM RIVER VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 270 1 incomplete04/22/2025
WTP-A  TP FOR SOUTH FORK NECANICUM RIVERTOTAL ORGANIC CARBONnotesQuarterly04/01/2026 - 06/30/2026 86 1 incomplete 10/14/2025

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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  Monthly01/01/200412/31/20061Raw and filtered TOC and alkalinity
DIST-A  DISTRIBUTION SYSTEMASBESTOS, DIST  9 Years01/01/200212/31/20251Schedule Reflects Monitoring Reduction Granted
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly01/01/200412/31/20061Schedule Reflects 1 RT Sample Per QT Per WTP
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200709/30/20131Sample between June 1 and Sept. 30. Monioring reduction granted.
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Quarterly10/01/201312/31/20142Sample DBPs in October, January, April, and July of each year from each site.
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Yearly01/01/201512/31/20191
EP-A  EP FOR SOUTH FORK NECANICUM RIVERARSENIC  Yearly01/01/200212/31/20071
EP-A  EP FOR SOUTH FORK NECANICUM RIVERDI(2-ETHYLHEXYL) PHTHALATE   Quarterly07/01/201206/30/20131Schedule Reflects Quarterly Monitoring
EP-A  EP FOR SOUTH FORK NECANICUM RIVERRAD - GROSS ALPHA  6 Years01/01/201112/31/20221
EP-A  EP FOR SOUTH FORK NECANICUM RIVERRAD - GROSS ALPHA  9 Years01/01/200812/31/20101Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR SOUTH FORK NECANICUM RIVERRAD - RADIUM 226/228  6 Years01/01/201112/31/20221
EP-A  EP FOR SOUTH FORK NECANICUM RIVERRAD - RADIUM 226/228  9 Years01/01/200812/31/20101Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR SOUTH FORK NECANICUM RIVERSOC  3 Years01/01/200212/31/201322 Consec. QT Samples
WTP-A  TP FOR SOUTH FORK NECANICUM RIVERTOTAL ORGANIC CARBON  Monthly01/01/200412/21/20061Post Filtration TOC

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