OHA Drinking Water Services
OR41
PWS ID: 00067 ---- AURORA, 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  9 Years 01/01/2017 - 12/31/2025 29 1 incomplete08/05/2009
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2026 - 12/31/2026   10 07/26/2023
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  Distribution System STAGE 2 DBP notesYearly 01/01/2025 - 12/31/2025 29 2 incomplete09/24/2024
 Seasonal sampling period:  09/01  thru  09/30
EP-A  EP FOR WELLS #4 & #5 ARSENIC  Yearly01/01/2026 -   1 future 09/17/2025
EP-A  EP FOR WELLS #4 & #5 IOC  9 Years01/01/2020 - 12/31/2028 1,125 1 done 09/16/2020
EP-A  EP FOR WELLS #4 & #5 NITRATE  Yearly 01/01/2025 - 12/31/2025 29 1 incomplete11/13/2024
EP-A  EP FOR WELLS #4 & #5 NITRITE notes9 Years01/01/2020 - 12/31/2028 1,125 1 done 09/16/2020
EP-A  EP FOR WELLS #4 & #5 RAD - GROSS ALPHA notes9 Years01/01/2017 - 12/31/2025 29 1 done 11/13/2024
EP-A  EP FOR WELLS #4 & #5 RAD - RADIUM 226/228 9 Years 01/01/2023 - 12/31/2031 2,220 1 incomplete09/27/2016
EP-A  EP FOR WELLS #4 & #5 RAD - URANIUM  9 Years01/01/2023 - 12/31/2031 2,220 1 done 11/13/2024
EP-A  EP FOR WELLS #4 & #5 SOC  3 Years01/01/2023 - 12/31/2025 29 1 done 11/13/2024
EP-A  EP FOR WELLS #4 & #5 VOLATILE ORGANICS  3 Years01/01/2023 - 12/31/2025 29 1 done 11/13/2024

8  secs
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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  Distribution SystemHAA5 & TTHM  3 Years01/01/201112/31/20131Sample Between June 1st and Sept 30th
DIST-A  Distribution SystemHAA5 & TTHM  Yearly01/01/200412/31/20091Sample between June 1 and Sept. 30.
DIST-A  Distribution SystemLEAD & COPPER  3 Years01/01/200512/31/201010Sample Between June 1st and Sept 30th
DIST-A  Distribution SystemLEAD & COPPER  6 Months01/01/201106/30/201220
DIST-A  Distribution SystemLEAD & COPPER  Yearly01/01/200212/31/200210Sample Between June 1st and Sept 30th
DIST-A  Distribution SystemLEAD & COPPER  Yearly01/01/201312/31/201710sample between June 1 and Sept. 30
EP-A  EP FOR WELLS #4 & #5ARSENIC  3 Years01/01/200212/31/20061
EP-A  EP FOR WELLS #4 & #5ARSENIC  Quarterly01/01/200709/30/20141Exceeded MCL 9-7-06; Min 2 Qtrs
EP-A  EP FOR WELLS #4 & #5ARSENIC  Quarterly10/01/202109/30/20251
EP-A  EP FOR WELLS #4 & #5ARSENIC  Yearly01/01/201509/30/20211
EP-A  EP FOR WELLS #4 & #5RAD - RADIUM 226/228  6 Years01/01/200812/31/20131
EP-A  EP FOR WELLS #4 & #5RAD - URANIUM  6 Years01/01/200812/31/20131

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More information for this water system: SDWIS ID 3233
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