[{"id":"6f114ae1-a439-48c9-8439-ae4061c4bf24","created_at":"2025-07-10T21:16:23.422Z","updated_at":"2026-01-20T19:49:35.684Z","owner_id":"858aa612-be2e-44f6-97aa-9d4985aaf6b3","location_id":"b9c7cf87-5792-4f36-8312-06dc1263c2ac","dataset_id":"8ca3f5cf-8fae-49fe-92d5-928468a8431c","form_id":"fcd2ffab-f05c-40c2-9b8d-a49c3eeb68fd","observed_at":"2018-07-22T13:30:00.000Z","observed_at_local":"2018-07-22T09:30:00-04:00","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","chlorine","hardness","alkalinity","conductivity"],"photos":[],"permalink":"https://data.waterrangers.com/observations/52764","readings":[{"id":"825424e6-96af-4be9-ab3d-b210c5cde091","created_at":"2025-07-10T21:16:23.510Z","updated_at":"2025-07-10T21:16:23.510Z","parameter":"ph","unit":"std_units","value":"8.0","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"dfe137b9-ee7a-4ba9-a959-0bb52ef796ab","created_at":"2025-07-10T21:16:23.523Z","updated_at":"2025-07-10T21:16:23.523Z","parameter":"oxygen","unit":"mg_l","value":"7.0","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"276f3d87-ddc0-4027-a6d6-d07a46efe2f0","created_at":"2025-07-10T21:16:23.536Z","updated_at":"2025-07-10T21:16:23.536Z","parameter":"chlorine","unit":"ppm","value":"0.5","equipment":"water_rangers_freshwater_teststrips_chlorine","equipment_limit":null},{"id":"37a065da-bd05-45c2-863e-912223552950","created_at":"2025-07-10T21:16:23.545Z","updated_at":"2025-07-10T21:16:23.545Z","parameter":"hardness","unit":"ppm","value":"50","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"af16fc65-4e45-4c05-ac9e-cfe320a2da50","created_at":"2025-07-10T21:16:23.556Z","updated_at":"2025-07-10T21:16:23.556Z","parameter":"alkalinity","unit":"ppm","value":"100","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"3cb212f6-232b-427f-b334-c03cefce466a","created_at":"2025-07-10T21:16:23.567Z","updated_at":"2025-07-10T21:16:23.567Z","parameter":"conductivity","unit":"us_cm","value":"88","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null}]}]