{"id":"3040d2ff-7e67-4ad5-80a2-baf727dc7f46","created_at":"2025-09-04T14:34:43.099Z","updated_at":"2026-01-20T20:58:16.888Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"7404d7db-2581-42fb-893b-dd8202ef8a1b","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-07-15T16:00:00.000Z","observed_at_local":"2016-07-15T12:00:00-04:00","notes":"Sample: B16-20697-1","checked":"review_needed","qa_notes":"Review needed: Based on previous readings, oxygen's result of 5.5mg/L is outside the expected range of 6.0-13.88mg/L.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["oxygen","total_phosphorus","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/165228","readings":[{"id":"36df8b42-ec26-46e9-9bc6-a5e4569864d4","created_at":"2025-09-04T14:34:43.171Z","updated_at":"2025-09-04T14:34:43.171Z","parameter":"oxygen","unit":"mg_l","value":"5.5","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"6efc3b43-d432-4673-b207-e18acf56c8a4","created_at":"2025-09-04T14:34:43.186Z","updated_at":"2025-09-04T14:34:43.186Z","parameter":"total_phosphorus","unit":"ppb","value":"9","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"222fab75-5d49-4c4a-81f3-a2067f56b784","created_at":"2025-09-04T14:34:43.197Z","updated_at":"2025-09-04T14:34:43.197Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"380","equipment":"lab_unspecified","equipment_limit":null}]}