{"id":"9591dd55-55e7-4bab-99e2-9f480f27dd7c","created_at":"2025-09-03T18:37:11.535Z","updated_at":"2026-01-02T19:03:46.461Z","owner_id":"9df51437-25db-4627-8f5f-a11d29439b73","location_id":"a62c2e6e-4401-4307-bc78-17d696f1a969","dataset_id":"62d0e51f-bb8c-41a2-831d-2f276de4075d","form_id":"f7aae285-3489-4566-b1f5-018527589b3a","observed_at":"2017-04-18T10:30:00.000Z","observed_at_local":"2017-04-18T03:30:00-07:00","notes":"total dissolved solids changed from 19.9 ppm to 199 ppm by admin (jonas@waterrangers.ca)","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["oxygen","water_temperature","total_dissolved_solids_tds"],"photos":[],"permalink":"https://data.waterrangers.com/observations/124702","readings":[{"id":"3256f5d7-5835-4166-b3e7-737392cb2dae","created_at":"2025-09-03T18:37:11.593Z","updated_at":"2025-09-03T18:37:11.593Z","parameter":"oxygen","unit":"mg_l","value":"9.1","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"a4b85837-a930-4d35-9297-6482c0e1120a","created_at":"2025-09-03T18:37:11.616Z","updated_at":"2025-09-03T18:37:11.616Z","parameter":"water_temperature","unit":"deg_c","value":"12.7","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"3c8068ab-64a2-4f07-8787-8dd0120792c2","created_at":"2025-09-03T18:37:11.627Z","updated_at":"2025-09-03T18:37:11.627Z","parameter":"total_dissolved_solids_tds","unit":"ppm","value":"199","equipment":"unspecified_tds","equipment_limit":null},{"id":"6930f4e0-1461-4897-bb11-13782e5d5879","created_at":"2025-09-03T18:37:11.602Z","updated_at":"2025-11-20T19:29:11.134Z","parameter":"oxygen","unit":"percent","value":"87","equipment":"unspecified_oxygen_percent","equipment_limit":null}]}