{"id":"fd95e490-10c1-4044-9416-508e394a1a34","created_at":"2025-08-06T18:17:48.710Z","updated_at":"2026-01-20T19:51:56.543Z","owner_id":"3e69fe4a-7c99-49b4-a9f8-03bfeffdd5c1","location_id":"e4615b4e-493a-4ba6-8065-906602f4198e","dataset_id":"658c9efc-44be-45b3-bed6-d13cfe3df014","form_id":"ad8a5e58-bed0-4895-869f-185b3c13f0c5","observed_at":"2019-06-18T10:50:00.000Z","observed_at_local":"2019-06-18T06:50:00-04:00","notes":null,"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","water_temperature","chlorine"],"photos":[],"permalink":"https://data.waterrangers.com/observations/56539","readings":[{"id":"5c5ddcd6-edf3-4926-b5c1-11b0368bd1d5","created_at":"2025-08-06T18:17:48.790Z","updated_at":"2025-08-06T18:17:48.790Z","parameter":"ph","unit":"std_units","value":"8.4","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"ad726601-f5df-4ab1-b5b9-b20504858c05","created_at":"2025-08-06T18:17:48.810Z","updated_at":"2025-08-06T18:17:48.810Z","parameter":"oxygen","unit":"mg_l","value":"7","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"f91f1d26-f8e2-4445-8cf6-8ce9a7d9cb8b","created_at":"2025-08-06T18:17:48.825Z","updated_at":"2025-08-06T18:17:48.825Z","parameter":"hardness","unit":"ppm","value":"200","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"6a00ede0-0ddb-4323-a8c9-b3685237372d","created_at":"2025-08-06T18:17:48.833Z","updated_at":"2025-08-06T18:17:48.833Z","parameter":"alkalinity","unit":"ppm","value":"120","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"3f09508c-874c-47b3-92d8-72372759912f","created_at":"2025-08-06T18:17:48.840Z","updated_at":"2025-08-06T18:17:48.840Z","parameter":"conductivity","unit":"us_cm","value":"275","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"d238bb7a-b28c-4631-a00f-708f18ed6854","created_at":"2025-08-06T18:17:48.846Z","updated_at":"2025-08-06T18:17:48.846Z","parameter":"water_temperature","unit":"deg_c","value":"19.9","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"5e078afa-31c9-4074-af0d-d06d68567e8d","created_at":"2025-08-06T18:17:48.815Z","updated_at":"2025-11-19T15:02:06.662Z","parameter":"chlorine","unit":"ppm","value":"0","equipment":"water_rangers_freshwater_teststrips_chlorine","equipment_limit":"<="}]}