{"id":"d132af5b-e4b1-44bd-ae3f-154d1456dbd3","created_at":"2025-09-04T14:58:44.176Z","updated_at":"2026-01-20T21:11:37.723Z","owner_id":"1eda01e0-752b-41ea-a6d2-7bf74fabd6a4","location_id":"e99f5327-69e7-4cdf-bf60-9d528aee5338","dataset_id":"52cac017-66b5-4ce6-a8fa-9a38d4239c44","form_id":"9f79f3c5-6501-4141-823a-04a483798882","observed_at":"2021-04-09T19:30:00.000Z","observed_at_local":"2021-04-09T15:30:00-04:00","notes":"Rained the day before. Taken from the shoreline. TDS from cup water was much lower than sensor directly in the water (525 vs 1015 ppm).\n","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","chlorine","hardness","alkalinity","air_temperature","water_temperature","total_dissolved_solids_tds"],"photos":[],"permalink":"https://data.waterrangers.com/observations/169073","readings":[{"id":"3c6a6851-c970-453d-9e68-3407127148af","created_at":"2025-09-04T14:58:44.212Z","updated_at":"2025-09-04T14:58:44.212Z","parameter":"ph","sub_question":null,"qualitative":false,"unit":"std_units","value":"8.8","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"af1ec2ae-f2c0-4a3e-9d0f-6ebd54c7c24b","created_at":"2025-09-04T14:58:44.216Z","updated_at":"2025-09-04T14:58:44.216Z","parameter":"chlorine","sub_question":null,"qualitative":false,"unit":"ppm","value":"2","equipment":"water_rangers_freshwater_teststrips_chlorine","equipment_limit":null},{"id":"e0eb50f6-5e83-4f17-a9b4-6a7002d1f2d1","created_at":"2025-09-04T14:58:44.220Z","updated_at":"2025-09-04T14:58:44.220Z","parameter":"hardness","sub_question":null,"qualitative":false,"unit":"ppm","value":"350","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"f1feff4c-94eb-481a-a287-373a83e38bae","created_at":"2025-09-04T14:58:44.225Z","updated_at":"2025-09-04T14:58:44.225Z","parameter":"alkalinity","sub_question":null,"qualitative":false,"unit":"ppm","value":"210","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"b0e9aa0d-9077-4d6b-a2ec-1994012c175e","created_at":"2025-09-04T14:58:44.237Z","updated_at":"2025-09-04T14:58:44.237Z","parameter":"air_temperature","sub_question":null,"qualitative":false,"unit":"deg_c","value":"23","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"a0edbd6e-d103-4cdb-b647-27b16e3926b4","created_at":"2025-09-04T14:58:44.242Z","updated_at":"2025-09-04T14:58:44.242Z","parameter":"water_temperature","sub_question":null,"qualitative":false,"unit":"deg_c","value":"18","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"897b9374-c308-4bea-bae9-1044ea10e44e","created_at":"2025-09-04T14:58:44.251Z","updated_at":"2025-09-04T14:58:44.251Z","parameter":"total_dissolved_solids_tds","sub_question":null,"qualitative":false,"unit":"ppm","value":"525","equipment":"other_pen-type_tds_meter","equipment_limit":null}]}