{"id":"77b44887-0b02-44a2-b901-9aadf80268c8","created_at":"2025-09-04T00:29:02.603Z","updated_at":"2026-01-12T18:37:01.841Z","owner_id":"2ae3be1e-7af3-419a-88cb-3cce871bcdbb","location_id":"8ffb2027-b3ed-45de-b33b-ba8ed94ae151","dataset_id":"5d0b5d51-a2d3-40e3-9fe7-38df4702dbe9","form_id":"df56f42c-937c-409a-966e-fe2cbd9e1ee6","observed_at":"2018-07-28T15:30:00.000Z","observed_at_local":"2018-07-28T11:30:00-04:00","notes":"Investigators: Deborah, Jennifer, Virginia, Maureen\r\nWeather in past 24 hours: showers (8.4mm rain in Ottawa - Env. Canada website)\r\nWeather now: clear/partly cloudy, wind less than 5km/hr\r\nWildlife: Great blue heron\r\nYSI readings at surface: \r\nWater temperature: 24.3 'C\r\nConductivity: 52 uS/cm\r\nDissolved O2: 88.2%, 7.4 mg/L\r\npH: 6.8","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","secchi_depth","hardness","alkalinity","water_depth","conductivity","air_temperature","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/146009","readings":[{"id":"e17265a7-9ef4-42d7-b80b-478d049b0b55","created_at":"2025-09-04T00:29:02.662Z","updated_at":"2025-09-04T00:29:02.662Z","parameter":"ph","unit":"std_units","value":"7.2","equipment":"unspecified_ph","equipment_limit":null},{"id":"3551a731-9765-4656-b95c-63c789cf5ad0","created_at":"2025-09-04T00:29:02.673Z","updated_at":"2025-09-04T00:29:02.673Z","parameter":"oxygen","unit":"mg_l","value":"7.4","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"8caa49ff-a40a-46a8-ac95-6cc8b8c28c02","created_at":"2025-09-04T00:29:02.680Z","updated_at":"2025-09-04T00:29:02.680Z","parameter":"secchi_depth","unit":"m","value":"1.6","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"e3b76d7e-beb0-4e78-8426-b4917b6eaec5","created_at":"2025-09-04T00:29:02.689Z","updated_at":"2025-09-04T00:29:02.689Z","parameter":"hardness","unit":"mg_l","value":"0","equipment":"unspecified_hardness","equipment_limit":null},{"id":"bbf0c3e4-5069-460a-a0d4-b3b920ba7713","created_at":"2025-09-04T00:29:02.692Z","updated_at":"2025-09-04T00:29:02.692Z","parameter":"alkalinity","unit":"mg_l","value":"40","equipment":"unspecified_alkalinity","equipment_limit":null},{"id":"3aeb1b28-8113-4537-908e-f0c87463c436","created_at":"2025-09-04T00:29:02.697Z","updated_at":"2025-09-04T00:29:02.697Z","parameter":"water_depth","unit":"m","value":"3.2","equipment":"unspecified_water_depth","equipment_limit":null},{"id":"4aa7f92e-09a4-47b8-8e18-ed4d46cf6687","created_at":"2025-09-04T00:29:02.708Z","updated_at":"2025-09-04T00:29:02.708Z","parameter":"conductivity","unit":"us_cm","value":"52","equipment":"unspecified_conductivity","equipment_limit":null},{"id":"8ee4188b-264e-4488-80c3-d52d821a97df","created_at":"2025-09-04T00:29:02.717Z","updated_at":"2025-09-04T00:29:02.717Z","parameter":"air_temperature","unit":"deg_c","value":"22","equipment":"unspecified_air_temperature","equipment_limit":null},{"id":"c50ebb06-9947-47fd-9af2-78b60be87231","created_at":"2025-09-04T00:29:02.726Z","updated_at":"2025-09-04T00:29:02.726Z","parameter":"water_temperature","unit":"deg_c","value":"24.4","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"d8ad1968-aa33-4a4c-9491-d2ca49b0bca8","created_at":"2025-09-04T00:29:02.712Z","updated_at":"2025-11-26T13:48:32.697Z","parameter":"oxygen","unit":"percent","value":"88.2","equipment":"unspecified_oxygen_percent","equipment_limit":null}]}