{"id":"4221a615-fa9e-488e-904b-eaf3b8daa73f","created_at":"2025-09-02T21:20:31.615Z","updated_at":"2026-01-20T19:25:05.614Z","owner_id":"f259ae79-6e3a-4106-b6b7-e7c1d1ae04a0","location_id":"63c1ee19-6882-457e-b48e-5e63895faeb8","dataset_id":"17d4273c-afbd-49a8-a327-8698ab1092f8","form_id":"8cb8081a-ee8d-4db8-9e10-d528cd83054b","observed_at":"2024-05-30T21:00:00.000Z","observed_at_local":"2024-05-30T15:00:00-06:00","notes":"Middle sample","checked":"review_needed","qa_notes":"Review needed: ph's result of 10.03std_units exceeds the normal range of 10.0std_units.\nReview needed: conductivity's result of 332μS/cm is outside the expected range of 277.55-286.45μS/cm ( standard deviations from the historical mean for this location).","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","nitrate_nitrogen","conductivity","turbidity","air_temperature","water_temperature","phosphate_phosphorus"],"photos":[],"permalink":"https://data.waterrangers.com/observations/120415","readings":[{"id":"3d6e65d1-6a9c-40cb-a7f4-21b0b6342179","created_at":"2025-12-05T22:34:11.431Z","updated_at":"2025-12-05T22:34:11.431Z","parameter":"ph","unit":"std_units","value":"10.03","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":">"},{"id":"c5d57752-1329-4e9a-b84c-14ec865f6915","created_at":"2025-09-02T21:20:31.646Z","updated_at":"2025-09-02T21:20:31.646Z","parameter":"oxygen","unit":"mg_l","value":"9","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"a58912b1-b0d9-4848-ad24-5616bb868689","created_at":"2025-09-02T21:20:31.650Z","updated_at":"2025-09-02T21:20:31.650Z","parameter":"nitrate_nitrogen","unit":"mg_l","value":"0.2","equipment":"kyoritsu_packtest_nitrate_nitrogen","equipment_limit":null},{"id":"435d5127-7db4-4e10-87d2-c226d0f86401","created_at":"2025-09-02T21:20:31.657Z","updated_at":"2025-09-02T21:20:31.657Z","parameter":"conductivity","unit":"us_cm","value":"332","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"a29a6e0e-1a3d-40f6-93b5-6fa32548f387","created_at":"2025-09-02T21:20:31.661Z","updated_at":"2025-09-02T21:20:31.661Z","parameter":"turbidity","unit":"ntu","value":"70","equipment":"turbidity_tube_45cm","equipment_limit":null},{"id":"47595e5a-fdcf-40bb-9182-32b0bcea7771","created_at":"2025-09-02T21:20:31.665Z","updated_at":"2025-09-02T21:20:31.665Z","parameter":"air_temperature","unit":"deg_c","value":"13","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"18be9255-39f5-41d3-b56e-9f4c1b47f13a","created_at":"2025-09-02T21:20:31.668Z","updated_at":"2025-09-02T21:20:31.668Z","parameter":"water_temperature","unit":"deg_c","value":"14.7","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"79315896-92ff-402c-b42a-f8d5d85eb542","created_at":"2025-09-02T21:20:31.671Z","updated_at":"2025-09-02T21:20:31.671Z","parameter":"phosphate_phosphorus","unit":"mg_l","value":"0.1","equipment":"kyoritsu_packtest_phosphate_phosphorus","equipment_limit":null}]}