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Thank you to Tais and Ro for sampling to test E. coli for Lake Ontario Waterkeeper as well.","checked":"review_needed","qa_notes":"Review needed: Based on previous readings, oxygen's result of 9mg/L is outside the expected range of 3.78-8.22mg/L.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","hardness","alkalinity","conductivity","air_temperature","water_temperature","current_weather","current_weather_description","previous_weather"],"photos":[],"permalink":"https://data.waterrangers.com/observations/169574","readings":[{"id":"50801992-f02e-4caf-ac0e-d7e6a609113b","created_at":"2025-09-04T15:20:38.745Z","updated_at":"2025-09-04T15:20:38.745Z","parameter":"ph","unit":"std_units","value":"7.5","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"a870d084-fa20-4d8c-961a-59b8f53d2b54","created_at":"2025-09-04T15:20:38.760Z","updated_at":"2025-09-04T15:20:38.760Z","parameter":"oxygen","unit":"mg_l","value":"9","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"803f9f77-0819-4da8-8de3-37417fcff428","created_at":"2025-09-04T15:20:38.785Z","updated_at":"2025-09-04T15:20:38.785Z","parameter":"hardness","unit":"ppm","value":"100","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"5b8aaf49-b819-4c9e-bcc7-85b53cff38b3","created_at":"2025-09-04T15:20:38.800Z","updated_at":"2025-09-04T15:20:38.800Z","parameter":"alkalinity","unit":"ppm","value":"100","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"af3bad04-85bb-401d-80d8-a6d933d3ad0d","created_at":"2025-09-04T15:20:38.819Z","updated_at":"2025-09-04T15:20:38.819Z","parameter":"conductivity","unit":"us_cm","value":"361","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"9fc37a31-310d-4315-9857-d19552574b9e","created_at":"2025-09-04T15:20:38.833Z","updated_at":"2025-09-04T15:20:38.833Z","parameter":"air_temperature","unit":"deg_c","value":"19","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"60d4f1d3-eb81-4e48-96d9-c35952dc7c85","created_at":"2025-09-04T15:20:38.845Z","updated_at":"2025-09-04T15:20:38.845Z","parameter":"water_temperature","unit":"deg_c","value":"12","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"b3bc09dc-f341-4add-b7a2-70bc171dc480","created_at":"2025-09-04T15:20:38.861Z","updated_at":"2025-09-04T15:20:38.861Z","parameter":"current_weather","unit":"nil","value":"sunny","equipment":"community_scientist_interpretation","equipment_limit":null},{"id":"3d8551fb-858e-4e84-a2b4-22f8bd56acf9","created_at":"2025-09-04T15:20:38.876Z","updated_at":"2025-09-04T15:20:38.876Z","parameter":"current_weather_description","unit":"nil","value":"Beautiful morning. 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Lots of wave action. Major debris from last night’s storm at site #1 and also along shoreline around and between site #2 and #3. Major! Never seen so much wood and plastic at this site. One loon (?), duck, seagull, and a couple shore birds. Also saw resident fox! What a treat!! Did phosphates test = 30. Using AI strips, alkalinity and hardness measured the same as regular strips (120 and 100 respectively), but pH was different (6.8 using AI test strips compared to 7.8 using regular strips). 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Fifth time out testing for Lake Ontario Waterkeeper (E. coli samples) and Water Rangers (test strips, conductivity meter) at Humber Bay Park West this season. No rain, a few clouds but warm with sunshine. Both my testing colleagues saw a fox! Red with white tail they said. I turned my head but missed it. Determined to catch a glimpse next time. :) We also came across some art (see lighthouse pic) hidden amongst the trees.","checked":"review_needed","qa_notes":"Review needed: Based on previous readings, conductivity's result of 538μS/cm is outside the expected range of 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#swimdrinkfish testing of E coli plus Water Rangers’ testkit. 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