{"id":"70148e09-8d46-4eb0-90b4-e66912113e9d","created_at":"2025-09-04T14:43:20.486Z","updated_at":"2026-01-20T21:03:55.459Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"e2f8c0d8-a286-4b1e-b47e-3a1966c570a5","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2018-08-29T04:00:00.000Z","observed_at_local":"2018-08-29T00:00:00-04:00","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/167071","readings":[{"id":"20edf886-2ea5-4169-821e-3ddb5d26a2d5","created_at":"2025-09-04T14:43:20.528Z","updated_at":"2025-09-04T14:43:20.528Z","parameter":"calcium","unit":"mg_l","value":"24","equipment":"unspecified_calcium","equipment_limit":null},{"id":"6d9e2e44-3c16-4420-ac77-819c9f8bd938","created_at":"2025-09-04T14:43:20.538Z","updated_at":"2025-09-04T14:43:20.538Z","parameter":"total_phosphorus","unit":"ppb","value":"0.01","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"712d8bf4-b63f-4b2b-8a28-6dd13164c979","created_at":"2025-09-04T14:43:20.548Z","updated_at":"2025-09-04T14:43:20.548Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"0.38","equipment":"lab_unspecified","equipment_limit":null}]}