{"id":"8ce6f231-3501-4935-81ca-b0e84db8d310","created_at":"2025-09-04T14:43:06.229Z","updated_at":"2026-01-20T21:03:46.989Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"24d5a829-b5e5-40dd-b851-2e8acfb61c24","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2018-08-27T04:00:00.000Z","observed_at_local":"2018-08-27T00:00:00-04:00","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":["calcium","total_phosphorus","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/167018","readings":[{"id":"8a91c10e-7150-4560-af95-afaf5c8f3b8f","created_at":"2025-09-04T14:43:06.298Z","updated_at":"2025-09-04T14:43:06.298Z","parameter":"calcium","unit":"mg_l","value":"44.6","equipment":"unspecified_calcium","equipment_limit":null},{"id":"8e39cc57-d0f7-41fe-a137-7a9078be5e4a","created_at":"2025-09-04T14:43:06.315Z","updated_at":"2025-09-04T14:43:06.315Z","parameter":"total_phosphorus","unit":"ppb","value":"0.01","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"effbdd31-b0b3-4dc0-b3ef-a19cf5af580f","created_at":"2025-09-04T14:43:06.345Z","updated_at":"2025-09-04T14:43:06.345Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"0.38","equipment":"lab_unspecified","equipment_limit":null}]}