OHA Drinking Water Services
OR41
PWS ID: 00724 ---- ST HELENS, CITY OF
Cyanotoxin Sample Results
See also: Sample Schedules :: Cyanotoxin Rules & Resources :: Excel Spreadsheet

Raw Water Facilities*:

Finished Water Facilities*:
*Only facilities with cyanotoxin data are listed.
Cyanotoxin Sampling Schedules
  • CH-A - 2 Weeks
  • Go to schedule page
    • See purchasers/sellers for this system

    Health Advisory Levels (for entry points and distribution)
  • Total Microcystins: 0.3 ug/L for vulnerable people; 1.6 ug/L for people aged 6 and older.
  • Cylindrospermopsin: 0.7 ug/L for vulnerable people; 3 ug/L for people aged 6 and older.
    • Health advisory level exceedances in entry point and distribution samples are indicated with red text.
    ND = Not detected at the minimum reporting level;  -- = Not sampled 10 results found for selected criteria.
    Sample
    ID    		 Sample
    Date    		 Received
    Date    		 Facility ID Facility Name Raw Water Entry Points and Distribution
    Total Microcystins
    (ug/L)    		 Cylindrospermopsin
    (ug/L)    		 Total Microcystins
    (ug/L)    		 Cylindrospermopsin
    (ug/L)
    2310215-01 10/23/2023 10/27/2023 CH-A COMMON HEADER FOR WTP-ANDND
    2310091-01 10/09/2023 10/12/2023 CH-A COMMON HEADER FOR WTP-ANDND
    2309217-01 09/25/2023 09/28/2023 CH-A COMMON HEADER FOR WTP-ANDND
    2309098-01 09/11/2023 09/15/2023 CH-A COMMON HEADER FOR WTP-ANDND
    2309044-01 09/05/2023 09/11/2023 CH-A COMMON HEADER FOR WTP-ANDND
    2308229-01 08/28/2023 09/01/2023 CH-A COMMON HEADER FOR WTP-ANDND
    2308164-01 08/21/2023 08/25/2023 CH-A COMMON HEADER FOR WTP-ANDND
    2308104-01 08/14/2023 08/21/2023 CH-A COMMON HEADER FOR WTP-ANDND
    2308065-01 08/07/2023 08/14/2023 CH-A COMMON HEADER FOR WTP-ANDND
    2308027-01 08/03/2023 08/14/2023 CH-A COMMON HEADER FOR WTP-ANDND
     



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