{"id":"592ef8af-8b98-43d8-9790-c875d4ba4854","created_at":"2025-09-04T14:32:30.168Z","updated_at":"2026-01-20T20:55:50.380Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"3672613b-54a6-4fdf-a15c-73c2a6dce5e9","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2013-05-02T04:00:00.000Z","observed_at_local":"2013-05-02T00:00:00-04:00","notes":null,"checked":"review_needed","qa_notes":"Review needed: oxygen's result of 123.4% exceeds the normal range of 120.0%.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["oxygen","ph","secchi_depth","air_temperature","total_phosphorus","water_temperature","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/164446","readings":[{"id":"8bda5c04-5f72-4e38-a470-55caa358f71e","created_at":"2025-09-04T14:32:30.244Z","updated_at":"2025-09-04T14:32:30.244Z","parameter":"ph","unit":"std_units","value":"7.73","equipment":"unspecified_ph","equipment_limit":null},{"id":"bdec58cc-4ed4-4784-adee-a55cda182300","created_at":"2025-09-04T14:32:30.263Z","updated_at":"2025-09-04T14:32:30.263Z","parameter":"secchi_depth","unit":"m","value":"3","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"6c469a82-de21-4656-a7e2-3455bf806bb8","created_at":"2025-09-04T14:32:30.283Z","updated_at":"2025-09-04T14:32:30.283Z","parameter":"air_temperature","unit":"deg_c","value":"23","equipment":"unspecified_air_temperature","equipment_limit":null},{"id":"7055111f-a32a-4ee5-a889-a3ea67ea2c36","created_at":"2025-09-04T14:32:30.302Z","updated_at":"2025-09-04T14:32:30.302Z","parameter":"total_phosphorus","unit":"ppb","value":"7","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"8165420c-9ab1-45cf-bd8c-178febe34b6a","created_at":"2025-09-04T14:32:30.313Z","updated_at":"2025-09-04T14:32:30.313Z","parameter":"water_temperature","unit":"deg_c","value":"13.26","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"839f3701-1ff9-4924-9dc4-2160fdcfa41c","created_at":"2025-09-04T14:32:30.323Z","updated_at":"2025-09-04T14:32:30.323Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"280","equipment":"lab_unspecified","equipment_limit":null},{"id":"a4b42ee4-d02a-46dd-ab8e-848d5acc7dc8","created_at":"2025-09-04T14:32:30.251Z","updated_at":"2025-11-26T13:32:09.498Z","parameter":"oxygen","unit":"percent","value":"123.4","equipment":"unspecified_oxygen_percent","equipment_limit":null}]}