OHA Drinking Water Services
OR41
PWS ID: 00457 ---- LAKE OSWEGO MUNICIPAL WATER
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
  • No open cyantoxin sampling
    schedules found.
    • 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)
    1910188-01 10/21/2019 10/25/2019 SRC-AA CLACKAMAS RIVERNDND
    1910076-01 10/07/2019 10/11/2019 SRC-AA CLACKAMAS RIVERNDND
    1909200-01 09/23/2019 09/30/2019 SRC-AA CLACKAMAS RIVERNDND
    1909072-01 09/09/2019 09/13/2019 SRC-AA CLACKAMAS RIVERNDND
    1908212-01 08/26/2019 08/30/2019 SRC-AA CLACKAMAS RIVERNDND
    1908097-01 08/12/2019 08/16/2019 SRC-AA CLACKAMAS RIVERNDND
    1907309-01 07/29/2019 08/02/2019 SRC-AA CLACKAMAS RIVERNDND
    1907150-01 07/15/2019 07/19/2019 SRC-AA CLACKAMAS RIVERNDND
    1907023-01 07/01/2019 07/08/2019 SRC-AA CLACKAMAS RIVERNDND
    1906159-01 06/17/2019 06/20/2019 SRC-AA CLACKAMAS RIVERNDND
    1906020-01 06/03/2019 06/07/2019 SRC-AA CLACKAMAS RIVERNDND
    1905154-01 05/20/2019 05/28/2019 SRC-AA CLACKAMAS RIVERNDND
    1905029-01 05/06/2019 05/10/2019 SRC-AA CLACKAMAS RIVERNDND
    1810273-01 10/22/2018 10/26/2018 SRC-AA CLACKAMAS RIVERNDND
    1810106-01 10/08/2018 10/12/2018 SRC-AA CLACKAMAS RIVERNDND
    1809254-01 09/24/2018 09/28/2018 SRC-AA CLACKAMAS RIVERNDND
    1809088-01 09/10/2018 09/18/2018 SRC-AA CLACKAMAS RIVERNDND
    1808278-01 08/27/2018 08/31/2018 SRC-AA CLACKAMAS RIVERNDND
    1808125-01 08/13/2018 08/24/2018 SRC-AA CLACKAMAS RIVERNDND
    1807240-01 07/30/2018 08/24/2018 SRC-AA CLACKAMAS RIVERNDND
    1807200149 07/18/2018 08/06/2018 SRC-AA CLACKAMAS RIVERNDND
    1807052-01 07/16/2018 08/24/2018 SRC-AA CLACKAMAS RIVERNDND
    1807111031 07/09/2018 08/06/2018 SRC-AA CLACKAMAS RIVERNDND
     



    More information for this water system: SDWIS ID 4106
    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
    Corrosion Control has moved to the Lead & Copper page.
    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
    Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home  ::  DWS Rules
    Need help? Email Drinking Water Services for assistance.Staff/Partner Login