{"id":"7e6e37b8-5cca-4fba-90ae-39094e857677","created_at":"2025-09-04T14:32:20.639Z","updated_at":"2026-01-20T20:55:35.014Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"0da9270e-33ab-4498-ab8d-9d80aa1ceed6","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2015-09-30T04:00:00.000Z","observed_at_local":"2015-09-30T00:00:00-04:00","notes":null,"checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["total_phosphorus","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/164379","readings":[{"id":"4e3a37c9-b8a4-40e7-bb1c-8d365977546d","created_at":"2025-09-04T14:32:20.704Z","updated_at":"2025-09-04T14:32:20.704Z","parameter":"total_phosphorus","unit":"ppb","value":"13","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"bb0b109b-0944-4b5c-bae5-752f48587671","created_at":"2025-09-04T14:32:20.721Z","updated_at":"2025-09-04T14:32:20.721Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"310","equipment":"lab_unspecified","equipment_limit":null}]}