{"id":"86fe7810-70d6-4103-adfd-6cc5c599b54a","created_at":"2025-09-04T00:21:41.466Z","updated_at":"2026-01-21T15:41:52.333Z","owner_id":"3704640e-2ac3-43bd-acc8-20ee1426eee7","location_id":"7b9a33f9-6bc0-478f-bbaf-3fe2e73edeb1","dataset_id":"941b579f-21de-4723-af1c-f682886b0c51","form_id":"2ef98bee-de4c-4213-940f-84177fe7091d","observed_at":"2019-08-29T21:39:18.290Z","observed_at_local":"2019-08-29T15:39:18-06:00","notes":"It was a calm, mainly sunny day—no rain/storms in the last few days.","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","conductivity","air_temperature","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/143902","readings":[{"id":"f4ad58cf-dffc-457e-a7a0-a515c82248fc","created_at":"2025-09-04T00:21:41.489Z","updated_at":"2025-09-04T00:21:41.489Z","parameter":"ph","unit":"std_units","value":"8.4","equipment":"unspecified_ph","equipment_limit":null},{"id":"1d4018c8-6ef1-4ae6-b134-6c3452150096","created_at":"2025-09-04T00:21:41.498Z","updated_at":"2025-09-04T00:21:41.498Z","parameter":"oxygen","unit":"mg_l","value":"11","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"0809d854-bc1f-47d9-b3c6-87e6e9c13bb6","created_at":"2025-09-04T00:21:41.511Z","updated_at":"2025-09-04T00:21:41.511Z","parameter":"secchi_depth","unit":"m","value":"0.62","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"7786a519-0485-4467-8abb-e8accb9184ed","created_at":"2025-09-04T00:21:41.520Z","updated_at":"2025-09-04T00:21:41.520Z","parameter":"chlorine","unit":"ppm","value":"0.1","equipment":"water_rangers_freshwater_teststrips_chlorine","equipment_limit":null},{"id":"2c3d7cb5-9753-4b30-b462-a61ae690d84c","created_at":"2025-09-04T00:21:41.542Z","updated_at":"2025-09-04T00:21:41.542Z","parameter":"alkalinity","unit":"ppm","value":"60","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"8912c177-cc12-4c47-b582-10bfe4816787","created_at":"2025-09-04T00:21:41.549Z","updated_at":"2025-09-04T00:21:41.549Z","parameter":"conductivity","unit":"us_cm","value":"162","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"90402cbf-7c01-4e9a-9e40-5bd27a9e2064","created_at":"2025-09-04T00:21:41.564Z","updated_at":"2025-09-04T00:21:41.564Z","parameter":"air_temperature","unit":"deg_c","value":"16","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"a0a73e65-babe-4141-a1de-6fecaaaadaef","created_at":"2025-09-04T00:21:41.570Z","updated_at":"2025-09-04T00:21:41.570Z","parameter":"water_temperature","unit":"deg_c","value":"17.1","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null}]}