OHA Drinking Water Services
OR41
PWS ID: 00463 ---- LAKESIDE 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 69 1 incomplete12/10/2025
DIST-A  Distribution System ASBESTOS, DIST notes9 Years 01/01/2020 - 12/31/2028 984 1 incomplete03/12/2014
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2027 - 12/31/2027   10 06/11/2024
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  Distribution System STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 253 1 incomplete10/08/2025
  Seasonal sampling period:   10/01   thru   10/31
EP-A  EP FOR EEL LAKE ARSENIC  9 Years01/01/2020 - 12/31/2028 984 1 done 01/06/2026
EP-A  EP FOR EEL LAKE IOC notes9 Years 01/01/2020 - 12/31/2028 984 1 incomplete04/02/2019
EP-A  EP FOR EEL LAKE NITRATE  Yearly01/01/2026 - 12/31/2026 253 1 done 01/06/2026
EP-A  EP FOR EEL LAKE NITRITE notes9 Years 01/01/2020 - 12/31/2028 984 1 incomplete04/02/2019
EP-A  EP FOR EEL LAKE PFAS notesQuarterly 04/01/2026 - 06/30/2026 69 1 incomplete12/17/2025
  Initial monitoring - 4 quarters only
EP-A  EP FOR EEL LAKE RAD - GROSS ALPHA  9 Years 01/01/2020 - 12/31/2028 984 1 incomplete06/05/2019
EP-A  EP FOR EEL LAKE RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,175 1 incomplete06/05/2019
EP-A  EP FOR EEL LAKE RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,175 1 incomplete06/05/2019
EP-A  EP FOR EEL LAKE SOC  3 Years 01/01/2026 - 12/31/2028 984 1 incomplete03/25/2025
EP-A  EP FOR EEL LAKE VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 253 1 incomplete02/10/2025
WTP-A  TP FOR ENTRY POINTTOTAL ORGANIC CARBONnotesQuarterly04/01/2026 - 06/30/2026 69 1 incomplete 12/10/2025

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