{"id":"57cb49c4-75de-4b83-a5d2-c72dd42c9141","created_at":"2025-09-04T19:31:20.848Z","updated_at":"2026-06-16T15:23:40.915Z","owner_id":"d07a4087-9e83-4929-b3b5-db28f5fee4dd","location_id":"e00e3431-fbed-4d41-aadc-8529418365d3","dataset_id":"f757ed2e-52ce-482a-8e2f-6b20e08d842c","form_id":"11d644cc-aa6f-448e-82df-bf2dc5bf7dce","observed_at":"2019-06-18T15:12:00.000Z","observed_at_local":"2019-06-18T10:12:00-05:00","notes":"","checked":"review_needed","qa_notes":"Review needed: oxygen's result of 3.73mg/L is outside the expected range of 3.86-8.7mg/L (3.0 standard deviations from the historical mean for this location).\nReview needed: conductivity's result of 1631μS/cm is outside the expected range of 248.25-744.75μS/cm (50.0% difference from the historical median for this location).","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","e_coli","oxygen","salinity","conductivity","water_temperature","total_dissolved_solids_tds"],"photos":[],"permalink":"https://data.waterrangers.com/observations/178917","readings":[{"id":"f7849f59-143f-41f9-a030-4dcd88eb9508","created_at":"2025-09-04T19:31:20.872Z","updated_at":"2025-09-04T19:31:20.872Z","parameter":"ph","unit":"std_units","value":"7.74","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"2b34a343-74c6-46bb-a9d5-37dd391b5c03","created_at":"2025-09-04T19:31:20.877Z","updated_at":"2025-09-04T19:31:20.877Z","parameter":"e_coli","unit":"cfu_per_100ml","value":"200","equipment":"other_ecoli_lab","equipment_limit":null},{"id":"a37bc836-630a-4b64-b62e-c54a4a84c9af","created_at":"2025-09-04T19:31:20.882Z","updated_at":"2025-09-04T19:31:20.882Z","parameter":"oxygen","unit":"mg_l","value":"3.73","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"c359e8a1-3ac8-4fe1-8247-2af61b30d3d6","created_at":"2025-09-04T19:31:20.887Z","updated_at":"2025-09-04T19:31:20.887Z","parameter":"salinity","unit":"ppm","value":"0.82","equipment":"water_rangers_pen_type_salinity_meter_ppm","equipment_limit":null},{"id":"144bcf4e-7a4b-42cf-9c35-3bc63afb2bde","created_at":"2025-09-04T19:31:20.892Z","updated_at":"2025-09-04T19:31:20.892Z","parameter":"conductivity","unit":"us_cm","value":"1631","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"0932bc44-a103-4fc4-8c34-c6b00588119b","created_at":"2025-09-04T19:31:20.897Z","updated_at":"2025-09-04T19:31:20.897Z","parameter":"oxygen","unit":"percent","value":"49.7","equipment":"other_do_multimeter_percent","equipment_limit":null},{"id":"9a1e1ec1-b012-4caf-b251-a0f6cc8a3bc1","created_at":"2025-09-04T19:31:20.901Z","updated_at":"2025-09-04T19:31:20.901Z","parameter":"water_temperature","unit":"deg_c","value":"25.34","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"a211e124-b98e-4333-a2b9-908dd4e31be9","created_at":"2025-09-04T19:31:20.906Z","updated_at":"2025-09-04T19:31:20.906Z","parameter":"total_dissolved_solids_tds","unit":"ppm","value":"815","equipment":"other_pen-type_tds_meter","equipment_limit":null}]}