OHA Drinking Water Services
OR41
PWS ID: 00727 ---- ST PAUL, 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 01/01/2020 - 12/31/2028 987 1 incomplete04/23/2019
DIST-A  Distribution System LEAD & COPPER notesYearly 01/01/2026 - 12/31/2026 256 5 incomplete09/29/2025
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  Distribution System STAGE 2 DBP notes3 Years01/01/2028 - 12/31/2028   1 09/29/2025
  Seasonal sampling period:   09/01   thru   09/30
EP-A  EP FOR WELLS ARSENIC  3 Years 01/01/2026 - 12/31/2028 987 1 incomplete10/12/2023
EP-A  EP FOR WELLS IOC notes9 Years 01/01/2020 - 12/31/2028 987 1 incomplete09/18/2019
EP-A  EP FOR WELLS NITRATE  Yearly 01/01/2026 - 12/31/2026 256 1 incomplete12/03/2025
EP-A  EP FOR WELLS NITRITE notes9 Years 01/01/2020 - 12/31/2028 987 1 incomplete09/18/2019
EP-A  EP FOR WELLS PFAS notes6 Months01/01/2026 - 06/30/2026 72 1 done 04/03/2026
  Initial monitoring - 2 samples only
EP-A  EP FOR WELLS RAD - GROSS ALPHA  9 Years 01/01/2023 - 12/31/2031 2,082 1 incomplete07/14/2022
EP-A  EP FOR WELLS RAD - RADIUM 226/228 9 Years 01/01/2023 - 12/31/2031 2,082 1 incomplete07/14/2022
EP-A  EP FOR WELLS RAD - URANIUM  9 Years 01/01/2023 - 12/31/2031 2,082 1 incomplete07/14/2022
EP-A  EP FOR WELLS SOC  3 Years 01/01/2026 - 12/31/2028 987 1 incomplete12/03/2025
EP-A  EP FOR WELLS VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 987 1 incomplete12/03/2025

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  3 Years01/01/200512/31/20131Sample between June 1 and Sept. 30.
DIST-A  Distribution SystemHAA5 & TTHM  Yearly01/01/200412/31/20041Sample Between June 1st and Sept 30th Each Year
DIST-A  Distribution SystemLEAD & COPPER  3 Years01/01/200212/31/20215Sample Between June 1st and Sept 30th
DIST-A  Distribution SystemLEAD & COPPER  6 Months01/01/202206/30/202310Collect samples from cold water, drinking water taps.
EP-A  EP FOR WELLS1,2-DICHLOROETHANE   Quarterly01/01/201409/30/20141
EP-A  EP FOR WELLS1,2-DICHLOROETHANE   Yearly01/01/201512/31/20191
EP-A  EP FOR WELLSARSENIC  3 Years01/01/200212/31/20161
EP-A  EP FOR WELLSARSENIC  9 Years01/01/201712/31/20221Schedule reflects monitoring reduction granted.
EP-A  EP FOR WELLSRAD - GROSS ALPHA  9 Years01/01/200803/31/20221Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR WELLSRAD - GROSS ALPHA  Quarterly04/01/202207/31/20221
EP-A  EP FOR WELLSRAD - RADIUM 226/228  6 Years01/01/200812/31/20131
EP-A  EP FOR WELLSRAD - RADIUM 226/228  9 Years01/01/201403/31/20221
EP-A  EP FOR WELLSRAD - RADIUM 226/228  Quarterly04/01/202207/31/20221
EP-A  EP FOR WELLSRAD - URANIUM  9 Years01/01/200803/31/20221Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR WELLSRAD - URANIUM  Quarterly04/01/202207/31/20221
EP-A  EP FOR WELLSVOLATILE ORGANICS  3 Years01/01/200212/31/20191

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