{"id":"da21c11a-a5df-4772-babc-b6bacca264d4","created_at":"2025-08-06T19:09:44.226Z","updated_at":"2026-01-20T19:52:42.676Z","owner_id":"eb076b90-d5e1-42f2-be10-afd800a0b576","location_id":"323f976b-315a-49be-8f36-9b226be9a79d","dataset_id":"a85cffd1-5483-42a3-b5bc-3fc93c3c3c19","form_id":"d5c5a6f8-d728-415a-b611-b19e40bd1b7b","observed_at":"2019-08-13T00:00:00.000Z","observed_at_local":"2019-08-12T20:00:00-04:00","notes":null,"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","water_temperature","alkalinity"],"photos":[],"permalink":"https://data.waterrangers.com/observations/58406","readings":[{"id":"5500f735-8766-4dca-8831-c8b1e045278c","created_at":"2025-08-06T19:09:44.280Z","updated_at":"2025-08-06T19:09:44.280Z","parameter":"ph","unit":"std_units","value":"6.7","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"d586931f-d0ec-4c81-b180-1001d9b4956f","created_at":"2025-08-06T19:09:44.307Z","updated_at":"2025-08-06T19:09:44.307Z","parameter":"oxygen","unit":"mg_l","value":"5","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"bc2190f0-46f1-48d9-9c78-3f40ec81b380","created_at":"2025-08-06T19:09:44.321Z","updated_at":"2025-08-06T19:09:44.321Z","parameter":"water_temperature","unit":"deg_c","value":"20.5","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"b877a63f-b2cb-408e-a755-fc4998588deb","created_at":"2025-08-06T19:09:44.312Z","updated_at":"2025-11-19T15:02:06.662Z","parameter":"alkalinity","unit":"ppm","value":"240","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":">="}]}