OHA Drinking Water Services
OR41
PWS ID: 00278 ---- ENTERPRISE, 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 1,079 1 done 06/24/2020
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2026 - 12/31/2026   10incomplete06/21/2023
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  Distribution System STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 348 1 incomplete08/27/2025
 Seasonal sampling period:  08/01  thru  08/31
EP-A  EP FOR SPRING COLLECTORS ARSENIC notes9 Years01/01/2020 - 12/31/2028 1,079 1 done 07/18/2023
EP-A  EP FOR SPRING COLLECTORS IOC notes9 Years 01/01/2020 - 12/31/2028 1,079 1 incomplete08/12/2013
EP-A  EP FOR SPRING COLLECTORS NITRATE notesYearly 01/01/2026 - 12/31/2026 348 1 incomplete09/10/2024
 Seasonal sampling period:  07/01  thru  09/30
EP-A  EP FOR SPRING COLLECTORS NITRITE notes9 Years01/01/2020 - 12/31/2028 1,079 1 done 07/18/2023
EP-A  EP FOR SPRING COLLECTORS RAD - GROSS ALPHA  6 Years 01/01/2023 - 12/31/2028 1,079 1 incomplete08/08/2017
EP-A  EP FOR SPRING COLLECTORS RAD - RADIUM 226/228 9 Years 01/01/2023 - 12/31/2031 2,174 1 incomplete02/23/2021
EP-A  EP FOR SPRING COLLECTORS RAD - URANIUM  6 Years 01/01/2026 - 12/31/2031 2,174 1 incomplete02/23/2021
EP-A  EP FOR SPRING COLLECTORS SOC  3 Years 01/01/2026 - 12/31/2028 1,079 1 incomplete07/29/2025
EP-A  EP FOR SPRING COLLECTORS VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,079 1 incomplete07/06/2022
EP-B  EP FOR WELL ARSENIC notes9 Years01/01/2020 - 12/31/2028 1,079 1 done 08/04/2021
EP-B  EP FOR WELL IOC notes9 Years01/01/2020 - 12/31/2028 1,079 1 done 08/04/2021
EP-B  EP FOR WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 348 1 incomplete09/10/2024
EP-B  EP FOR WELL NITRITE notes9 Years01/01/2020 - 12/31/2028 1,079 1 done 07/18/2023
EP-B  EP FOR WELL RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,270 1 incomplete09/11/2018
EP-B  EP FOR WELL RAD - RADIUM 226/228 6 Years 01/01/2026 - 12/31/2031 2,174 1 incomplete09/11/2018
EP-B  EP FOR WELL RAD - URANIUM  9 Years 01/01/2020 - 12/31/2028 1,079 1 incomplete07/28/2017
EP-B  EP FOR WELL SOC  3 Years 01/01/2026 - 12/31/2028 1,079 1 incomplete08/05/2025
EP-B  EP FOR WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,079 1 incomplete08/04/2021

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  Distribution SystemHAA5 & TTHM  3 Years01/01/200512/31/20132Sample Between June 1st and September 30th
DIST-A  Distribution SystemHAA5 & TTHM  Yearly01/01/200412/31/20042
EP-A  EP FOR SPRING COLLECTORSARSENIC  3 Years01/01/200212/31/20101
EP-A  EP FOR SPRING COLLECTORSNITRATE  Quarterly04/01/202112/31/20211
EP-A  EP FOR SPRING COLLECTORSNITRATE  Yearly01/01/200203/31/20211
EP-A  EP FOR SPRING COLLECTORSRAD - GROSS ALPHA  9 Years01/01/200812/31/20161
EP-A  EP FOR SPRING COLLECTORSRAD - RADIUM 226/228  6 Years01/01/201712/31/20221
EP-A  EP FOR SPRING COLLECTORSRAD - RADIUM 226/228  9 Years01/01/200812/31/20161
EP-B  EP FOR WELLARSENIC  3 Years01/01/200212/31/20101
EP-B  EP FOR WELLRAD - RADIUM 226/228  9 Years01/01/200812/31/20251
EP-B  EP FOR WELLRAD - URANIUM  6 Years01/01/200812/31/20191

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