OHA Drinking Water Services
OR41
PWS ID: 00479 ---- LEXINGTON, TOWN OF

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 ASBESTOS, DIST  9 Years 01/01/2026 - 12/31/2034 3,206 1 incomplete07/01/2020
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2028 - 12/31/2028   5 07/23/2025
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notes3 Years01/01/2028 - 12/31/2028   1 07/29/2025
  Seasonal sampling period:   07/01   thru   07/31
EP-A  EP FOR WELL ARSENIC notes9 Years 01/01/2023 - 12/31/2031 2,110 1 incomplete05/16/2022
EP-A  EP FOR WELL IOC notes9 Years01/01/2020 - 12/31/2028 1,015 1 done 05/16/2022
EP-A  EP FOR WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 284 1 incomplete04/28/2025
EP-A  EP FOR WELL NITRITE notes9 Years01/01/2020 - 12/31/2028 1,015 1 done 05/16/2022
EP-A  EP FOR WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 100 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR WELL RAD - GROSS ALPHA  9 Years 01/01/2023 - 12/31/2031 2,110 1 incomplete05/16/2022
EP-A  EP FOR WELL RAD - RADIUM 226/228 9 Years 01/01/2023 - 12/31/2031 2,110 1 incomplete05/16/2022
EP-A  EP FOR WELL RAD - URANIUM  6 Years 01/01/2023 - 12/31/2028 1,015 1 incomplete05/16/2022
EP-A  EP FOR WELL SOC  3 Years 01/01/2026 - 12/31/2028 1,015 1 incomplete04/28/2025
EP-A  EP FOR WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,015 1 incomplete08/22/2023

8  secs
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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  Yearly01/01/200212/31/20045Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Yearly01/01/202012/31/20222Collect dual sample sets in July
EP-A  EP FOR WELLARSENIC  3 Years01/01/200212/31/20131
EP-A  EP FOR WELLRAD - GROSS ALPHA  6 Years01/01/200812/31/20131
EP-A  EP FOR WELLRAD - RADIUM 226/228  6 Years01/01/200812/31/20131
EP-A  EP FOR WELLRAD - URANIUM  6 Years01/01/200812/31/20131
EP-A  EP FOR WELLRAD - URANIUM  9 Years01/01/201412/31/20221
EP-B  EP FOR AIRPORT WELLNITRATE  Yearly01/01/200212/31/20031

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