{"id":"7c570938-54f0-4822-aa16-ab9eff3f7537","created_at":"2025-09-04T15:31:30.049Z","updated_at":"2026-01-20T21:15:15.473Z","owner_id":"713cf35f-6519-4b0c-a82e-6139b8281f55","location_id":"8eb403bd-6902-4b61-bc88-2679ce57216a","dataset_id":"c15f3477-8757-4b32-a93a-f6c9f424b830","form_id":"1f3d4585-fa19-433a-bd61-237f2ca81fef","observed_at":"2017-08-31T19:38:00.000Z","observed_at_local":"2017-08-31T15:38:00-04:00","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","hardness","alkalinity","conductivity","air_temperature","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/169927","readings":[{"id":"07c2264b-e553-45b0-b6f7-bb0452b7f1db","created_at":"2025-09-04T15:31:30.112Z","updated_at":"2025-09-04T15:31:30.112Z","parameter":"ph","unit":"std_units","value":"7.71","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"6db73b47-11e5-4ec7-b5df-309c09cd5ec4","created_at":"2025-09-04T15:31:30.121Z","updated_at":"2025-09-04T15:31:30.121Z","parameter":"oxygen","unit":"mg_l","value":"6","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"d872bec9-717e-4b27-a666-75e5c238b218","created_at":"2025-09-04T15:31:30.137Z","updated_at":"2025-09-04T15:31:30.137Z","parameter":"hardness","unit":"ppm","value":"450","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"ee1b52a5-2ac4-49ac-973f-9113793c3a6c","created_at":"2025-09-04T15:31:30.148Z","updated_at":"2025-09-04T15:31:30.148Z","parameter":"alkalinity","unit":"ppm","value":"180","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"7d927c5a-3814-486f-a520-a2f2eac685da","created_at":"2025-09-04T15:31:30.170Z","updated_at":"2025-09-04T15:31:30.170Z","parameter":"conductivity","unit":"us_cm","value":"524","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"a7475dbf-a95d-49c6-b09b-cebf3db64316","created_at":"2025-09-04T15:31:30.181Z","updated_at":"2025-09-04T15:31:30.181Z","parameter":"air_temperature","unit":"deg_c","value":"15","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"a05f4ab2-3e52-44ec-bf21-3d801eca5e8d","created_at":"2025-09-04T15:31:30.195Z","updated_at":"2025-09-04T15:31:30.195Z","parameter":"water_temperature","unit":"deg_c","value":"19.1","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null}]}