{"id":"881953e6-839d-4c08-856d-13ee9f41ce4c","created_at":"2025-09-04T14:38:06.486Z","updated_at":"2026-01-20T21:01:23.615Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"daa337c5-891e-4f13-8ab7-358f7553b085","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-07-21T16:00:00.000Z","observed_at_local":"2016-07-21T12:00:00-04:00","notes":"Sample: B16-21422-1","checked":"review_needed","qa_notes":"Review needed: Based on previous readings, oxygen's result of 4.6mg/L is outside the expected range of 7.04-13.08mg/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/166238","readings":[{"id":"939f14a8-7dc4-4daf-a17a-9f75225a4339","created_at":"2025-09-04T14:38:06.550Z","updated_at":"2025-09-04T14:38:06.550Z","parameter":"oxygen","unit":"mg_l","value":"4.6","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"167291f8-4e92-43af-8915-3a13fcfb9152","created_at":"2025-09-04T14:38:06.616Z","updated_at":"2025-09-04T14:38:06.616Z","parameter":"total_phosphorus","unit":"ppb","value":"5","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"ec85b678-1f39-4926-9bc9-dd0fb87ea96e","created_at":"2025-09-04T14:38:06.626Z","updated_at":"2025-09-04T14:38:06.626Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"270","equipment":"lab_unspecified","equipment_limit":null}]}