OHA Drinking Water Services
OR41
PWS ID: 00812 ---- DELPHIAN SCHOOL

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 notes3 Years01/01/2028 - 12/31/2028   5 09/12/2025
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  Distribution System STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 329 1 incomplete09/12/2025
 Seasonal sampling period:  09/01  thru  09/30
EP-A  EP FOR WELLS #2,3,14,17 & 20 ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,251 1 incomplete07/23/2020
EP-A  EP FOR WELLS #2,3,14,17 & 20 IOC notes9 Years01/01/2020 - 12/31/2028 1,060 1 done 07/23/2020
EP-A  EP FOR WELLS #2,3,14,17 & 20 NITRATE  Yearly 01/01/2026 - 12/31/2026 329 1 incomplete12/10/2025
EP-A  EP FOR WELLS #2,3,14,17 & 20 NITRITE notes9 Years01/01/2020 - 12/31/2028 1,060 1 done 07/23/2020
EP-A  EP FOR WELLS #2,3,14,17 & 20 RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,251 1 incomplete09/20/2023
EP-A  EP FOR WELLS #2,3,14,17 & 20 RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,251 1 incomplete09/20/2023
EP-A  EP FOR WELLS #2,3,14,17 & 20 RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,251 1 incomplete09/20/2023
EP-A  EP FOR WELLS #2,3,14,17 & 20 SOC  3 Years 01/01/2026 - 12/31/2028 1,060 1 incomplete12/10/2025
EP-A  EP FOR WELLS #2,3,14,17 & 20 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,060 1 incomplete12/10/2025

7  secs
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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  Distribution SystemHAA5 & TTHM  Yearly01/01/200412/31/20131Sample between June 1 and Sept. 30.
EP-A  EP FOR WELLS #2,3,14,17 & 20ARSENIC  3 Years01/01/200212/31/20161
EP-A  EP FOR WELLS #2,3,14,17 & 20RAD - GROSS ALPHA  9 Years01/01/200812/31/20161
EP-A  EP FOR WELLS #2,3,14,17 & 20RAD - GROSS ALPHA  9 Years01/01/202310/12/20231
EP-A  EP FOR WELLS #2,3,14,17 & 20RAD - GROSS ALPHA  Quarterly04/01/202212/31/20221
EP-A  EP FOR WELLS #2,3,14,17 & 20RAD - RADIUM 226/228  9 Years01/01/200812/31/20161
EP-A  EP FOR WELLS #2,3,14,17 & 20RAD - RADIUM 226/228  9 Years01/01/202310/12/20231
EP-A  EP FOR WELLS #2,3,14,17 & 20RAD - RADIUM 226/228  Quarterly04/01/202212/31/20221
EP-A  EP FOR WELLS #2,3,14,17 & 20RAD - URANIUM  9 Years01/01/200812/31/20161
EP-A  EP FOR WELLS #2,3,14,17 & 20RAD - URANIUM  9 Years01/01/202310/12/20231
EP-A  EP FOR WELLS #2,3,14,17 & 20RAD - URANIUM  Quarterly04/01/202212/31/20221

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More information for this water system: SDWIS ID 4138
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