OHA Drinking Water Services
OR41
PWS ID: 00452 ---- LAFAYETTE, CITY 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 notes9 Years01/01/2020 - 12/31/2028 1,084 1 done 04/29/2020
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2028 - 12/31/2028   20 06/11/2025
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesQuarterly 01/01/2026 - 03/31/2026 78 2 incomplete11/10/2025
EP-A  EP FOR CONTROL BUILDINGXYLENES, TOTAL  Quarterly01/01/2026 - 03/31/2026 78 1 incomplete 11/10/2025
EP-A  EP FOR CONTROL BUILDING ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,275 1 incomplete04/24/2024
EP-A  EP FOR CONTROL BUILDING IOC notes9 Years 01/01/2020 - 12/31/2028 1,084 1 incomplete11/12/2019
EP-A  EP FOR CONTROL BUILDING NITRATE  Yearly 01/01/2026 - 12/31/2026 353 1 incomplete09/11/2025
EP-A  EP FOR CONTROL BUILDING NITRITE notes9 Years01/01/2020 - 12/31/2028 1,084 1 done 04/24/2024
EP-A  EP FOR CONTROL BUILDING RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,275 1 incomplete12/28/2021
EP-A  EP FOR CONTROL BUILDING RAD - RADIUM 226/228notes9 Years 01/01/2023 - 12/31/2031 2,179 1 incomplete12/28/2021
EP-A  EP FOR CONTROL BUILDING RAD - URANIUM notes9 Years 01/01/2023 - 12/31/2031 2,179 1 incomplete12/28/2021
EP-A  EP FOR CONTROL BUILDING SOC notes3 Years 01/01/2026 - 12/31/2028 1,084 2 incomplete11/20/2025
EP-A  EP FOR CONTROL BUILDING VOLATILE ORGANICS notes3 Years 01/01/2026 - 12/31/2028 1,084 1 incomplete11/10/2025
EP-C  EP FOR CITY PARK WELL ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,275 1 incomplete11/12/2019
EP-C  EP FOR CITY PARK WELL IOC notes9 Years 01/01/2020 - 12/31/2028 1,084 1 incomplete11/12/2019
EP-C  EP FOR CITY PARK WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 353 1 incomplete09/11/2025
EP-C  EP FOR CITY PARK WELL NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,084 1 incomplete11/12/2019
EP-C  EP FOR CITY PARK WELL RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,275 1 incomplete12/29/2021
EP-C  EP FOR CITY PARK WELL RAD - RADIUM 226/228notes9 Years 01/01/2023 - 12/31/2031 2,179 1 incomplete12/28/2021
EP-C  EP FOR CITY PARK WELL RAD - URANIUM notes9 Years 01/01/2023 - 12/31/2031 2,179 1 incomplete12/28/2021
EP-C  EP FOR CITY PARK WELL SOC notes3 Years 01/01/2026 - 12/31/2028 1,084 2 incomplete11/20/2025
EP-C  EP FOR CITY PARK WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,084 1 incomplete03/06/2025

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200403/31/20072Sample during the month of warmest water temperature.
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly04/01/200709/30/20132Sample between June 1 and Sept. 30.
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/200812/31/201920Sample between June 1st and Sept 30th.
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months07/01/202006/30/202140Samples must be collected at cold water, drinking water taps.
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  Yearly01/01/200212/31/200410Sample Between June 1st and Sept 30th
EP-A  EP FOR CONTROL BUILDINGARSENIC  3 Years01/01/200212/31/20161
EP-A  EP FOR CONTROL BUILDINGRAD - RADIUM 226/228  6 Years01/01/200812/31/20131
EP-A  EP FOR CONTROL BUILDINGRAD - URANIUM  6 Years01/01/200812/31/20131
EP-A  EP FOR CONTROL BUILDINGSOC  3 Years01/01/200212/31/20191Sample when Well 10 is in recovery mode
EP-C  EP FOR CITY PARK WELLARSENIC  3 Years01/01/200212/31/20161
EP-C  EP FOR CITY PARK WELLETHYLBENZENE   Quarterly01/01/201803/31/20191
EP-C  EP FOR CITY PARK WELLETHYLBENZENE   Yearly01/01/202012/31/20211
EP-C  EP FOR CITY PARK WELLRAD - RADIUM 226/228  6 Years01/01/200812/31/20131
EP-C  EP FOR CITY PARK WELLRAD - URANIUM  6 Years01/01/200812/31/20131
EP-C  EP FOR CITY PARK WELLSOC  3 Years01/01/200212/31/20191
EP-C  EP FOR CITY PARK WELLTOLUENE   Quarterly01/01/201803/31/20191
EP-C  EP FOR CITY PARK WELLTOLUENE   Yearly01/01/202012/31/20211
EP-C  EP FOR CITY PARK WELLVOLATILE ORGANICS  3 Years01/01/200212/31/20221
EP-C  EP FOR CITY PARK WELLXYLENES, TOTAL   Quarterly01/01/201803/31/20191
EP-C  EP FOR CITY PARK WELLXYLENES, TOTAL   Yearly01/01/202012/31/20211

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