OHA Drinking Water Services
OR41
PWS ID: 91830 ---- LONDON ELEMENTARY SD 45J3

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  6 Months01/01/2026 - 06/30/2026 55 10 done 04/01/2026
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 239 1 incomplete06/16/2025
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP for WELL ARSENIC  9 Years 01/01/2020 - 12/31/2028 970 1 incomplete06/24/2019
EP-A  EP for WELL IOC notes9 Years 01/01/2020 - 12/31/2028 970 1 incomplete06/24/2019
EP-A  EP for WELL NITRATE  Yearly01/01/2026 - 12/31/2026 239 1 done 03/30/2026
EP-A  EP for WELL NITRITE notes9 Years 01/01/2020 - 12/31/2028 970 1 incomplete06/24/2019
EP-A  EP for WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 55 1 incomplete12/17/2025
  Initial monitoring - 2 samples only
EP-A  EP for WELL SOC  3 Years 01/01/2026 - 12/31/2028 970 1 incomplete04/08/2025
EP-A  EP for WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 970 1 incomplete04/08/2025

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/200912/31/20115Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/201210/30/20205Sample between June 1 & Sept. 30
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months01/01/200512/31/200510
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  Yearly01/01/200612/31/20085Sample Between June 1st and Sept 30th
EP-A  EP for WELLARSENIC  3 Years01/01/200212/31/20101

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