OHA Drinking Water Services
OR41
PWS ID: 00239 ---- LONDON WATER CO-OP

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
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2028 - 12/31/2028   5 09/15/2025
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 302 1 incomplete09/15/2025
  Seasonal sampling period:   09/01   thru   09/30
EP-A  EP FOR BEAVER CREEK ARSENIC notes9 Years 01/01/2020 - 12/31/2028 1,033 1 incomplete09/26/2019
EP-A  EP FOR BEAVER CREEK IOC notes9 Years 01/01/2020 - 12/31/2028 1,033 1 incomplete09/26/2019
EP-A  EP FOR BEAVER CREEK NITRATE  Yearly 01/01/2026 - 12/31/2026 302 1 incomplete09/15/2025
EP-A  EP FOR BEAVER CREEK NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,033 1 incomplete09/26/2019
EP-A  EP FOR BEAVER CREEK PFAS notesQuarterly 01/01/2026 - 03/31/2026 27 1 incomplete
  Initial monitoring - 4 quarters only
EP-A  EP FOR BEAVER CREEK RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,224 1 incomplete09/15/2025
EP-A  EP FOR BEAVER CREEK RAD - RADIUM 226/228notes9 Years 01/01/2026 - 12/31/2034 3,224 1 incomplete09/15/2025
EP-A  EP FOR BEAVER CREEK RAD - URANIUM notes9 Years 01/01/2026 - 12/31/2034 3,224 1 incomplete09/15/2025
EP-A  EP FOR BEAVER CREEK SOC  3 Years 01/01/2026 - 12/31/2028 1,033 1 incomplete09/15/2025
EP-A  EP FOR BEAVER CREEK VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 302 1 incomplete09/15/2025

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
CH-A  COMMON HEADER FOR WTP-ATOTAL ORGANIC CARBON  Monthly01/01/200411/30/20081Raw Water TOC Only Required for Reduction in DBP Monitoring
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200412/31/20131Sample between June 1 and Sept. 30.
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Quarterly10/01/202012/31/20211
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Yearly01/01/201409/30/20201Sample in September
EP-A  EP FOR BEAVER CREEKARSENIC  Yearly01/01/200212/31/20091

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More information for this water system: SDWIS ID 3944
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