{"id":"5eefbc83-8470-48d0-8a98-2e001d45e106","created_at":"2025-07-10T21:16:18.655Z","updated_at":"2026-01-20T19:49:29.928Z","owner_id":"858aa612-be2e-44f6-97aa-9d4985aaf6b3","location_id":"500ebcd8-43a9-4c3e-bb5a-b6c88bd47bb4","dataset_id":"8ca3f5cf-8fae-49fe-92d5-928468a8431c","form_id":"fcd2ffab-f05c-40c2-9b8d-a49c3eeb68fd","observed_at":"2018-07-12T21:00:00.000Z","observed_at_local":"2018-07-12T17:00:00-04:00","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/52739","readings":[{"id":"04be4d0a-fa58-4b81-b6ea-9faf9a37afdf","created_at":"2025-07-10T21:16:18.745Z","updated_at":"2025-07-10T21:16:18.745Z","parameter":"ph","unit":"std_units","value":"6.4","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"cf5d1657-7d21-4baf-979a-3ed374038a93","created_at":"2025-07-10T21:16:18.754Z","updated_at":"2025-07-10T21:16:18.754Z","parameter":"oxygen","unit":"mg_l","value":"5.5","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"2a2ea925-0a0b-47ea-8682-bc1a52ff0657","created_at":"2025-07-10T21:16:18.764Z","updated_at":"2025-07-10T21:16:18.764Z","parameter":"secchi_depth","unit":"m","value":"bottom_visible","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"c7ba2508-9f55-40eb-b52e-3f89c30bbcd4","created_at":"2025-07-10T21:16:18.773Z","updated_at":"2025-07-10T21:16:18.773Z","parameter":"chlorine","unit":"ppm","value":"0.1","equipment":"water_rangers_freshwater_teststrips_chlorine","equipment_limit":null},{"id":"75e55e1e-3ee0-420a-831a-cc1d74430293","created_at":"2025-07-10T21:16:18.796Z","updated_at":"2025-07-10T21:16:18.796Z","parameter":"alkalinity","unit":"ppm","value":"40","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"72dd3cbe-5a31-4231-8edf-2665d1769938","created_at":"2025-07-10T21:16:18.806Z","updated_at":"2025-07-10T21:16:18.806Z","parameter":"water_depth","unit":"m","value":"1.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"ea3434b6-8880-4fd9-8925-0a04335eae1a","created_at":"2025-07-10T21:16:18.815Z","updated_at":"2025-07-10T21:16:18.815Z","parameter":"conductivity","unit":"us_cm","value":"17","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"1d41aa34-aca2-4b4d-bb39-19e44dd9eb71","created_at":"2025-07-10T21:16:18.822Z","updated_at":"2025-07-10T21:16:18.822Z","parameter":"water_temperature","unit":"deg_c","value":"26","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"1acc23c6-b40b-4c07-adc3-25ca411435aa","created_at":"2025-07-10T21:16:18.782Z","updated_at":"2025-11-19T15:02:02.365Z","parameter":"hardness","unit":"ppm","value":"0","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":"<="}]}