{"id":"dadf3dd9-c1fc-41d9-afc2-6e916ed781ca","created_at":"2025-09-04T14:23:03.800Z","updated_at":"2026-01-20T20:37:38.107Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"718dc75d-d1ef-45d8-9d35-4342e3f02705","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2013-05-09T04:00:00.000Z","observed_at_local":"2013-05-09T00:00:00-04:00","notes":null,"checked":"review_needed","qa_notes":"Review needed: oxygen's result of 12.19mg/L exceeds the normal range of 12.0mg/L.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","secchi_depth","total_phosphorus","water_temperature","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/160123","readings":[{"id":"9e3dfbb0-0f93-4719-8ff8-0c630aa997f2","created_at":"2025-09-04T14:23:03.858Z","updated_at":"2025-09-04T14:23:03.858Z","parameter":"ph","unit":"std_units","value":"7.49","equipment":"unspecified_ph","equipment_limit":null},{"id":"15d69907-187f-42e2-8d9e-92b44317b80e","created_at":"2025-09-04T14:23:03.874Z","updated_at":"2025-09-04T14:23:03.874Z","parameter":"oxygen","unit":"mg_l","value":"12.19","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"60a6918b-152a-4ab1-b6d4-f5bec7fd132e","created_at":"2025-09-04T14:23:03.888Z","updated_at":"2025-09-04T14:23:03.888Z","parameter":"secchi_depth","unit":"m","value":"7.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"90664d95-a3f7-4591-9367-c7fe5443a86b","created_at":"2025-09-04T14:23:03.897Z","updated_at":"2025-09-04T14:23:03.897Z","parameter":"total_phosphorus","unit":"ppb","value":"4","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"1f72395b-a5c3-481d-abde-9d7cdf6dcce0","created_at":"2025-09-04T14:23:03.925Z","updated_at":"2025-09-04T14:23:03.925Z","parameter":"water_temperature","unit":"deg_c","value":"16.34","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"86e27a1b-0d57-4cc4-a1af-9a34d9fc39ce","created_at":"2025-09-04T14:23:03.940Z","updated_at":"2025-09-04T14:23:03.940Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"210","equipment":"lab_unspecified","equipment_limit":null}]}