{"id":"e7469583-c9d5-4e28-a0c4-d8de985e6abe","created_at":"2025-07-10T21:16:15.162Z","updated_at":"2026-01-20T19:49:25.672Z","owner_id":"858aa612-be2e-44f6-97aa-9d4985aaf6b3","location_id":"28345a34-3dd6-4281-92da-1c5e00149d27","dataset_id":"8ca3f5cf-8fae-49fe-92d5-928468a8431c","form_id":"fcd2ffab-f05c-40c2-9b8d-a49c3eeb68fd","observed_at":"2018-07-07T17:50:00.000Z","observed_at_local":"2018-07-07T13:50:00-04:00","notes":"","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","secchi_depth","chlorine","alkalinity","water_depth","conductivity","water_temperature","hardness"],"photos":[],"permalink":"https://data.waterrangers.com/observations/52721","readings":[{"id":"1dd98cd6-161f-4d7c-bf3e-bdb132117265","created_at":"2025-07-10T21:16:15.249Z","updated_at":"2025-07-10T21:16:15.249Z","parameter":"ph","unit":"std_units","value":"5.5","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"637a921b-eb29-416f-887c-cd6bc0837d28","created_at":"2025-07-10T21:16:15.261Z","updated_at":"2025-07-10T21:16:15.261Z","parameter":"oxygen","unit":"mg_l","value":"8.0","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"48c42a8d-58d4-422c-86ff-6c0cf49933ef","created_at":"2025-07-10T21:16:15.278Z","updated_at":"2025-07-10T21:16:15.278Z","parameter":"secchi_depth","unit":"m","value":"bottom_visible","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"1a9bea1d-06a8-4107-85f9-52773c8597bb","created_at":"2025-07-10T21:16:15.306Z","updated_at":"2025-07-10T21:16:15.306Z","parameter":"chlorine","unit":"ppm","value":"1.0","equipment":"water_rangers_freshwater_teststrips_chlorine","equipment_limit":null},{"id":"2a842361-1e56-4ab9-bf81-8131c444a27b","created_at":"2025-07-10T21:16:15.346Z","updated_at":"2025-07-10T21:16:15.346Z","parameter":"alkalinity","unit":"ppm","value":"40","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"be40cb7e-cfb4-45dc-a40d-47617c1359f9","created_at":"2025-07-10T21:16:15.359Z","updated_at":"2025-07-10T21:16:15.359Z","parameter":"water_depth","unit":"m","value":"4.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"83dd1076-586b-4223-bf92-ad6b90f005f9","created_at":"2025-07-10T21:16:15.382Z","updated_at":"2025-07-10T21:16:15.382Z","parameter":"conductivity","unit":"us_cm","value":"14","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"4e5f8bbe-2bf0-4279-9fa5-b1ea5a0c4ba0","created_at":"2025-07-10T21:16:15.401Z","updated_at":"2025-07-10T21:16:15.401Z","parameter":"water_temperature","unit":"deg_c","value":"26","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"7c1c9629-ede2-4883-b9c4-9a5f42b3f5ec","created_at":"2025-07-10T21:16:15.321Z","updated_at":"2025-11-19T15:02:02.365Z","parameter":"hardness","unit":"ppm","value":"0","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":"<="}]}