{"id":"b9f97fdc-505e-4faa-b422-7c9c0f19b7c5","created_at":"2025-09-04T17:33:41.888Z","updated_at":"2026-01-20T21:16:15.944Z","owner_id":"cfaaf76b-54ee-4d2f-8165-1b27f6fac7ba","location_id":"d8040dc7-bde5-4ed4-b200-3cffa2c30ac6","dataset_id":"79c225ac-aa83-4fdc-8b91-4220752e4b2b","form_id":"dbc5b608-561e-43d1-bb45-c74ccb575f68","observed_at":"2017-07-04T12:20:00.000Z","observed_at_local":"2017-07-04T08:20:00-04:00","notes":"Heavy rainfall in the past 48 hours. Lots of people out on the shoreline, boating etc. Parking lot very full, slight smell of gasoline. ","checked":"review_needed","qa_notes":"Review needed: conductivity's result of 153μS/cm is outside the expected range of 77.42-148.58μS/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","hardness","alkalinity","conductivity","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/170731","readings":[{"id":"9a7992b7-0e64-49f7-b173-a2d4fd012676","created_at":"2025-09-04T17:33:41.965Z","updated_at":"2025-09-04T17:33:41.965Z","parameter":"ph","unit":"std_units","value":"7.2","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"a7515159-1f56-4116-8365-fe2aad7ab739","created_at":"2025-09-04T17:33:41.971Z","updated_at":"2025-09-04T17:33:41.971Z","parameter":"oxygen","unit":"mg_l","value":"9","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"bb5d144a-882d-4e1d-acbf-5efa789bc8f6","created_at":"2025-09-04T17:33:41.977Z","updated_at":"2025-09-04T17:33:41.977Z","parameter":"hardness","unit":"ppm","value":"50","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"2930ff3f-cac6-4667-af82-0d95a08311aa","created_at":"2025-09-04T17:33:41.982Z","updated_at":"2025-09-04T17:33:41.982Z","parameter":"alkalinity","unit":"ppm","value":"20","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"fa1b76d1-b225-459a-a789-bbbd8f40f09c","created_at":"2025-09-04T17:33:41.991Z","updated_at":"2025-09-04T17:33:41.991Z","parameter":"conductivity","unit":"us_cm","value":"153","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"26a0909c-f78d-4e1c-8e51-5caa4c317a2d","created_at":"2025-09-04T17:33:41.996Z","updated_at":"2025-09-04T17:33:41.996Z","parameter":"water_temperature","unit":"deg_c","value":"23.7","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null}]}