OHA Drinking Water Services
OR41
PWS ID: 94704 ---- LAKEWOOD SHOPPING CENTER

See also: Coliform 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
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notesYearly 01/01/2026 - 12/31/2026 252 5 incomplete06/05/2025
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 252 2 incomplete06/12/2025
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP for WELL ARSENIC  3 Years 01/01/2026 - 12/31/2028 983 1 incomplete05/15/2025
EP-A  EP for WELL IOC  3 Years 01/01/2026 - 12/31/2028 983 1 incomplete05/15/2025
EP-A  EP for WELL NITRATE  Yearly01/01/2026 - 12/31/2026 252 1 done 01/15/2026
EP-A  EP for WELL NITRITE  3 Years 01/01/2026 - 12/31/2028 983 1 incomplete05/15/2025
EP-A  EP for WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 68 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP for WELL SOC  Yearly01/01/2026 - 12/31/2026 252 1 done 01/15/2026
EP-A  EP for WELL VOLATILE ORGANICS  Yearly01/01/2026 - 12/31/2026 252 1 done 01/15/2026

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