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 23 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)
    2410246-01 10/28/2024 11/04/2024 CH-A COMMON HEADER FOR WTP-ANDND
    2410119-01 10/14/2024 10/18/2024 CH-A COMMON HEADER FOR WTP-ANDND
    2409305-01 09/30/2024 10/07/2024 CH-A COMMON HEADER FOR WTP-ANDND
    2409165-01 09/16/2024 09/20/2024 CH-A COMMON HEADER FOR WTP-ANDND
    2409026-01 09/03/2024 09/06/2024 CH-A COMMON HEADER FOR WTP-ANDND
    2408185-01 08/19/2024 08/23/2024 CH-A COMMON HEADER FOR WTP-ANDND
    2408053-01 08/05/2024 08/09/2024 CH-A COMMON HEADER FOR WTP-ANDND
    2407234-01 07/22/2024 07/26/2024 CH-A COMMON HEADER FOR WTP-ANDND
    2407083-01 07/09/2024 07/15/2024 CH-A COMMON HEADER FOR WTP-ANDND
    2406237-01 06/24/2024 06/28/2024 CH-A COMMON HEADER FOR WTP-ANDND
    2406095-01 06/10/2024 06/14/2024 CH-A COMMON HEADER FOR WTP-ANDND
    2405230-01 05/28/2024 05/31/2024 CH-A COMMON HEADER FOR WTP-ANDND
    2405099-01 05/13/2024 05/17/2024 CH-A COMMON HEADER FOR WTP-ANDND
    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
     



    More information for this water system: SDWIS ID 4242
    System Info  ::  Report for Lenders  ::  Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Contacts & Advisories  ::  Site Visits  ::  Public Notice
    Coliform Summary  ::  Coliform Results  ::  Coliform Schedules  ::  LT2  ::  GW/GWUDI Source Details  ::  Plan Review  ::  Annual Fee
    Chemical Summary  ::  Chemical Results  ::  Chemical Schedules  ::  Chemical Schedule Summary  ::  Arsenic RAA  ::  Cyanotoxins  ::  PFAS
    Lead & Copper  ::  DBP Sample Sites  ::  FANLs  ::  MRDL  ::  GWR 4-Log  ::  Turbidity  ::  SWTR  ::  LRAA  ::  DW Source Protection
    Information for all water systems:
    Water System Inventory  ::  Water System Surveys  ::  Outstanding Performers  ::  Treatment Plant Inspections  ::  Treatment  ::  Plan Reviews
    Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Deficiencies  ::  System Scores  ::  Exceedances  ::  Public Notices  ::  Service Lines
    Water Advisories  ::  Contact Reports  ::  Cyanotoxins  ::  PFAS  ::  Post-wildfire VOCs  ::  Fluoride  ::  Certification List  ::  DW Source Protection
    Main menu:
    Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home  ::  DWS Rules
    Need help? Email Drinking Water Services for assistance.Staff/Partner Login