{"id":"43779507-cf00-4d75-bc63-14ec7e997889","created_at":"2025-09-04T14:25:58.743Z","updated_at":"2026-01-20T20:44:46.518Z","owner_id":"490685c6-e1c0-4eec-8b00-4b1f833e5581","location_id":"23e91a9f-dcff-4fbc-b418-b727639a0131","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2013-07-23T04:00:00.000Z","observed_at_local":"2013-07-23T00:00:00-04:00","notes":null,"checked":"review_needed","qa_notes":"Review needed: Based on previous readings, oxygen's result of 8.21mg/L is outside the expected range of 8.52-9.24mg/L.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","air_temperature","total_phosphorus","water_temperature","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/161596","readings":[{"id":"ef6ebf9d-f925-4798-af77-5a26a8f14a00","created_at":"2025-09-04T14:25:58.864Z","updated_at":"2025-09-04T14:25:58.864Z","parameter":"ph","unit":"std_units","value":"8.1","equipment":"unspecified_ph","equipment_limit":null},{"id":"428b78b4-32ec-4f98-a911-026a7190f631","created_at":"2025-09-04T14:25:58.874Z","updated_at":"2025-09-04T14:25:58.874Z","parameter":"oxygen","unit":"mg_l","value":"8.21","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"cbf9e499-6aad-45c8-bb05-116502871db9","created_at":"2025-09-04T14:25:58.880Z","updated_at":"2025-09-04T14:25:58.880Z","parameter":"air_temperature","unit":"deg_c","value":"27","equipment":"unspecified_air_temperature","equipment_limit":null},{"id":"2dffebf5-b913-49d2-9809-4c80e4dcc3a9","created_at":"2025-09-04T14:25:58.886Z","updated_at":"2025-09-04T14:25:58.886Z","parameter":"total_phosphorus","unit":"ppb","value":"7","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"3534872f-15bb-4da7-a623-f6954a7dae2a","created_at":"2025-09-04T14:25:58.892Z","updated_at":"2025-09-04T14:25:58.892Z","parameter":"water_temperature","unit":"deg_c","value":"25.73","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"cc536eae-9594-43cd-95af-fa5c9350bbb4","created_at":"2025-09-04T14:25:58.902Z","updated_at":"2025-09-04T14:25:58.902Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"300","equipment":"lab_unspecified","equipment_limit":null}]}