OHA Drinking Water Services
OR41
PWS ID: 00544 ---- MOUNT ANGEL, 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 LEAD & COPPER  Yearly 01/01/2026 - 12/31/2026 314 20 incomplete01/24/2025
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesQuarterly 01/01/2026 - 03/31/2026 39 2 incomplete08/04/2025
EP-C  EP FOR WELL #6 ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,236 1 incomplete08/04/2025
EP-C  EP FOR WELL #6 IOC notes9 Years01/01/2020 - 12/31/2028 1,045 1 done 08/04/2025
EP-C  EP FOR WELL #6 NITRATE  Yearly 01/01/2026 - 12/31/2026 314 1 incomplete08/04/2025
EP-C  EP FOR WELL #6 NITRITE notes9 Years01/01/2020 - 12/31/2028 1,045 1 done 08/04/2025
EP-C  EP FOR WELL #6 RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,236 1 incomplete08/04/2025
EP-C  EP FOR WELL #6 RAD - RADIUM 226/228notes9 Years 01/01/2026 - 12/31/2034 3,236 1 incomplete08/04/2025
EP-C  EP FOR WELL #6 RAD - URANIUM notes9 Years01/01/2023 - 12/31/2031 2,140 1 done 08/04/2025
EP-C  EP FOR WELL #6 SOC notes3 Years 01/01/2026 - 12/31/2028 1,045 2 incomplete11/05/2025
EP-C  EP FOR WELL #6 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,045 1 incomplete08/04/2025
EP-D  EP FOR WELL #7 ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,236 1 incomplete08/04/2025
EP-D  EP FOR WELL #7 IOC notes9 Years 01/01/2026 - 12/31/2034 3,236 1 incomplete08/04/2025
EP-D  EP FOR WELL #7 NITRATE  Yearly 01/01/2026 - 12/31/2026 314 1 incomplete08/04/2025
EP-D  EP FOR WELL #7 NITRITE notes9 Years 01/01/2026 - 12/31/2034 3,236 1 incomplete08/04/2025
EP-D  EP FOR WELL #7 RAD - GROSS ALPHA notes9 Years 01/01/2020 - 12/31/2028 1,045 1 incomplete10/15/2018
EP-D  EP FOR WELL #7 RAD - RADIUM 226/228notes9 Years 01/01/2020 - 12/31/2028 1,045 1 incomplete10/15/2018
EP-D  EP FOR WELL #7 RAD - URANIUM notes9 Years 01/01/2020 - 12/31/2028 1,045 1 incomplete10/15/2018
EP-D  EP FOR WELL #7 SOC notes3 Years 01/01/2026 - 12/31/2028 1,045 2 incomplete11/04/2025
EP-D  EP FOR WELL #7 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,045 1 incomplete08/04/2025

6  secs
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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200412/31/20061Sample during the month of warmest water temperature.
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/200212/31/200710Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/200806/30/202420Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months07/01/202401/31/202540
EP-A  EP FOR WELL #5ARSENIC  3 Years01/01/200212/31/20071Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR WELL #5ARSENIC  9 Years01/01/200811/08/20161Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR WELL #5IOC  9 Years01/01/201111/08/20161Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR WELL #5NITRATE  Yearly01/01/200211/08/20161
EP-A  EP FOR WELL #5NITRITE  9 Years01/01/201111/08/20161Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR WELL #5RAD - GROSS ALPHA  9 Years01/01/200811/08/20161Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR WELL #5RAD - RADIUM 226/228  6 Years01/01/200812/31/20131
EP-A  EP FOR WELL #5RAD - RADIUM 226/228  9 Years01/01/201411/08/20161Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR WELL #5RAD - URANIUM  6 Years01/01/200812/31/20131
EP-A  EP FOR WELL #5RAD - URANIUM  9 Years01/01/201411/08/20161Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR WELL #5SOC  3 Years01/01/200211/08/20161
EP-A  EP FOR WELL #5VOLATILE ORGANICS  3 Years01/01/200211/08/20161
EP-B  EP FOR WELL #4ARSENIC  3 Years01/01/200209/14/20041
EP-B  EP FOR WELL #4IOC  9 Years01/01/200209/14/20041Schedule Reflects Monitoring Reduction Granted
EP-B  EP FOR WELL #4NITRATE  Yearly01/01/200209/14/20041
EP-B  EP FOR WELL #4NITRITE  9 Years01/01/200209/14/20041Schedule Reflects Monitoring Reduction Granted
EP-B  EP FOR WELL #4SOC  3 Years01/01/200209/14/20041
EP-B  EP FOR WELL #4VOLATILE ORGANICS  3 Years01/01/200209/14/20041
EP-C  EP FOR WELL #6ARSENIC  3 Years01/01/200212/31/20071Schedule Reflects Monitoring Reduction Granted
EP-C  EP FOR WELL #6IOC  3 Years01/01/200212/31/20071Schedule Reflects Monitoring Reduction Granted
EP-C  EP FOR WELL #6NITRITE  3 Years01/01/200212/31/20071Schedule Reflects Monitoring Reduction Granted
EP-C  EP FOR WELL #6RAD - URANIUM  6 Years01/01/200812/31/20131
EP-C  EP FOR WELL #6SOC  3 Years01/01/200212/31/20161
EP-D  EP FOR WELL #7ARSENIC  3 Years01/01/200512/31/20071Schedule Reflects Monitoring Reduction Granted
EP-D  EP FOR WELL #7IOC  3 Years01/01/200512/31/20161
EP-D  EP FOR WELL #7NITRITE  3 Years01/01/200512/31/20161
EP-D  EP FOR WELL #7RAD - GROSS ALPHA  Quarterly07/01/200809/30/20091One more additional quarter of radiological monitoring needed
EP-D  EP FOR WELL #7RAD - RADIUM 226/228  Quarterly07/01/200809/30/20091One more additional quarter of radiological monitoring needed
EP-D  EP FOR WELL #7RAD - URANIUM  Quarterly07/01/200809/30/20091One more additional quarter of radiological monitoring needed
EP-D  EP FOR WELL #7SOC  3 Years01/01/200512/31/20161

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