{"id":"c4543122-1490-430b-aa6e-2d317588f1c9","created_at":"2025-09-04T00:45:15.735Z","updated_at":"2026-01-20T20:25:15.492Z","owner_id":"48eb0dc0-0b82-4280-bd4e-95a44acf60a2","location_id":"d0c64054-4108-42b8-9a2e-6b90842d2e3c","dataset_id":"36575c7e-0e5f-4b0f-af39-f750a6cbdaa6","form_id":"92cf61e8-762a-4f0e-959f-dcca7dcf7742","observed_at":"2021-07-21T17:38:55.333Z","observed_at_local":"2021-07-21T13:38:55-04:00","notes":"Windy. Sunny. ","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","alkalinity","conductivity","air_temperature","water_temperature","hardness","chlorine"],"photos":[],"permalink":"https://data.waterrangers.com/observations/154764","readings":[{"id":"6c06e064-ea36-403d-9c3f-d771e5a0fe8f","created_at":"2025-09-04T00:45:15.768Z","updated_at":"2025-09-04T00:45:15.768Z","parameter":"ph","unit":"std_units","value":"7.6","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"3e7e80bc-567f-4a5c-b490-90e1a3903269","created_at":"2025-09-04T00:45:15.779Z","updated_at":"2025-09-04T00:45:15.779Z","parameter":"oxygen","unit":"mg_l","value":"9","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"d1a0f626-b9c4-4e82-8cf5-1e900dcab7fc","created_at":"2025-09-04T00:45:15.790Z","updated_at":"2025-09-04T00:45:15.790Z","parameter":"alkalinity","unit":"ppm","value":"70","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"c5e79f36-0220-4bf2-a8ad-ac6a1d5c3f6c","created_at":"2025-09-04T00:45:15.794Z","updated_at":"2025-09-04T00:45:15.794Z","parameter":"conductivity","unit":"us_cm","value":"188","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"a2041d54-c9ae-435c-99af-36efe0d09cef","created_at":"2025-09-04T00:45:15.797Z","updated_at":"2025-09-04T00:45:15.797Z","parameter":"air_temperature","unit":"deg_c","value":"25.5","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"a61eb3ba-e00b-4868-94a4-2cfbaecf11db","created_at":"2025-09-04T00:45:15.801Z","updated_at":"2025-09-04T00:45:15.801Z","parameter":"water_temperature","unit":"deg_c","value":"24.8","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"34c6e5d7-bb43-4d56-828e-a519bb9d99a0","created_at":"2025-09-04T00:45:15.787Z","updated_at":"2025-11-19T15:02:33.125Z","parameter":"hardness","unit":"ppm","value":"0","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":"<="},{"id":"34578de5-9c0b-40f2-a205-3c17f37fb9e0","created_at":"2025-09-04T00:45:15.783Z","updated_at":"2025-11-19T15:02:33.125Z","parameter":"chlorine","unit":"ppm","value":"0","equipment":"water_rangers_freshwater_teststrips_chlorine","equipment_limit":"<="}]}