{"id":"d8da447d-72ba-40d0-af1a-1802b1ad2c3e","created_at":"2025-08-22T14:50:39.888Z","updated_at":"2026-07-09T19:05:35.086Z","owner_id":"aafb10d1-d353-4ddc-a8c9-23ee0b3ac856","location_id":"21a03858-4b79-4c5c-a894-366db4cc268f","dataset_id":"538a74ae-2594-482b-be2f-596379caeb3c","form_id":"a04d7db2-e198-4897-bd3d-7a455ffbe070","observed_at":"2019-07-26T00:00:00.000Z","observed_at_local":"2019-07-25T17:00:00-07:00","notes":"pH from Oakton 2 maybe not usable b/c last cal was end of April. John’s Oakton pH was 7.76. \r\r\n\r\r\nFor hardness, Test strip was very difficult to discern what colour as compared to standards provided on bottle.","checked":"review_needed","qa_notes":"Review needed: conductivity's result of 2.84μS/cm is below the normal range of 20.0μS/cm.","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"],"photos":[],"permalink":"https://data.waterrangers.com/observations/78497","readings":[{"id":"769908e1-3a61-4397-abc9-06359e409800","created_at":"2025-08-22T14:50:39.947Z","updated_at":"2025-08-22T14:50:39.947Z","parameter":"ph","unit":"std_units","value":"7.09","equipment":"other_pen_type_ph_meter","equipment_limit":null},{"id":"34b62476-008f-4ea2-8c13-90ca9ba74e6d","created_at":"2025-08-22T14:50:40.086Z","updated_at":"2025-08-22T14:50:40.086Z","parameter":"oxygen","unit":"mg_l","value":"6","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"b56d33c6-9397-4e58-88af-61c1b46d9ae2","created_at":"2025-08-22T14:50:40.109Z","updated_at":"2025-08-22T14:50:40.109Z","parameter":"hardness","unit":"ppm","value":"300","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"bc5fdc55-3335-44c9-9215-210beeb9d0f0","created_at":"2025-08-22T14:50:40.125Z","updated_at":"2025-08-22T14:50:40.125Z","parameter":"alkalinity","unit":"ppm","value":"60","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"9b5ef780-2103-46f4-9ae2-b18650a6eff6","created_at":"2025-08-22T14:50:40.146Z","updated_at":"2025-08-22T14:50:40.146Z","parameter":"conductivity","unit":"us_cm","value":"2.84","equipment":"other_pen_type_conductivity_meter_us_cm","equipment_limit":null},{"id":"8a407162-ed24-4fc1-a4e1-687452c6411b","created_at":"2025-08-22T14:50:40.170Z","updated_at":"2025-08-22T14:50:40.170Z","parameter":"air_temperature","unit":"deg_c","value":"21.8","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"8edabb0e-a88d-4301-a6bf-9017865b172b","created_at":"2025-08-22T14:50:40.184Z","updated_at":"2025-08-22T14:50:40.184Z","parameter":"water_temperature","unit":"deg_c","value":"15.5","equipment":"other_multimeter_temperature","equipment_limit":null}]}