{"id":"47a9747f-e0c5-4265-9d1d-c019f8c7247a","created_at":"2025-09-02T20:45:26.042Z","updated_at":"2026-07-08T19:30:53.452Z","owner_id":"0edffc84-3a3f-4220-9c3f-c5f621b07684","location_id":"aac58864-b4c0-411b-8aad-a16a07f2b366","dataset_id":"62ade46c-873c-4070-9383-e9645c0ba1b4","form_id":"4c5e7f9c-674c-4b99-817e-0631cd8d3fd8","observed_at":"2019-05-06T05:00:00.000Z","observed_at_local":"2019-05-06T01:00:00-04:00","notes":"","checked":"review_needed","qa_notes":"Review needed: oxygen's result of 13.5mg/L is outside the expected range of 0.0-12.0mg/L (3.0 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","chloride","alkalinity","water_depth","air_temperature","water_temperature","previous_weather","nitrate_nitrogen","phosphates","turbidity","oxygen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/119353","readings":[{"id":"64b9f5e5-70ad-4d2d-96f3-bd527dfca03c","created_at":"2025-09-02T20:45:26.083Z","updated_at":"2025-09-02T20:45:26.083Z","parameter":"ph","unit":"std_units","value":"8","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"1985f211-d8c9-42b5-903d-a9fdcb8a8547","created_at":"2025-09-02T20:45:26.090Z","updated_at":"2025-09-02T20:45:26.090Z","parameter":"chloride","unit":"mg_l","value":"36","equipment":"hach_chloride_low_range","equipment_limit":null},{"id":"03360207-8384-4a78-89f0-4ba6e0867ecd","created_at":"2025-09-02T20:45:26.107Z","updated_at":"2025-09-02T20:45:26.107Z","parameter":"alkalinity","unit":"ppm","value":"232","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"96d4307a-1e61-4b21-8781-10efc78c4734","created_at":"2025-09-02T20:45:26.112Z","updated_at":"2025-09-02T20:45:26.112Z","parameter":"water_depth","unit":"m","value":".54","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"dfa26e40-c1ae-41c9-89a2-f5726ccabd96","created_at":"2025-09-02T20:45:26.120Z","updated_at":"2025-09-02T20:45:26.120Z","parameter":"air_temperature","unit":"deg_c","value":"13","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"94729447-cc94-4dc3-a6ae-724c555b458e","created_at":"2025-09-02T20:45:26.124Z","updated_at":"2025-09-02T20:45:26.124Z","parameter":"water_temperature","unit":"deg_c","value":"13","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"702a427c-1998-45d1-96dc-4b125d1fcfd6","created_at":"2025-09-02T20:45:26.137Z","updated_at":"2025-09-02T20:45:26.137Z","parameter":"previous_weather","unit":"nil","value":"sunny","equipment":"community_scientist_interpretation","equipment_limit":null},{"id":"26fd0da7-181c-4cc1-bbfb-aacb8fe5a5d0","created_at":"2025-09-02T20:45:26.096Z","updated_at":"2025-11-19T15:02:29.267Z","parameter":"nitrate_nitrogen","unit":"mg_l","value":"0","equipment":"kyoritsu_packtest_nitrate_nitrogen","equipment_limit":"<="},{"id":"0dea50a9-d833-42a7-8509-966c7945897c","created_at":"2025-09-02T20:45:26.128Z","updated_at":"2025-11-19T15:02:29.267Z","parameter":"phosphates","unit":"ppm","value":"0","equipment":"unspecified_phosphates","equipment_limit":"<="},{"id":"a1fdacac-8035-462b-b0c7-e0cb9ffe33d8","created_at":"2025-12-10T17:03:09.124Z","updated_at":"2025-12-10T17:03:09.124Z","parameter":"turbidity","unit":"ntu","value":"0","equipment":"turbidity_tube_45cm","equipment_limit":"<"},{"id":"01559fcf-2139-4019-affd-9de85406c514","created_at":"2025-12-10T17:16:43.614Z","updated_at":"2025-12-10T17:16:43.614Z","parameter":"oxygen","unit":"mg_l","value":"13.5","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":">"}]}