{"id":"f6d9993d-4988-482b-9ca6-4fa2610e7073","created_at":"2025-08-28T18:26:23.756Z","updated_at":"2026-01-20T20:05:04.483Z","owner_id":"75602eb5-60db-46a0-9ce4-f768700ea38f","location_id":"6cfb12d7-cd73-4e04-88eb-ea312f12ddfc","dataset_id":"7dde6968-485e-41c8-abf6-b3055ffc5b10","form_id":"1cb458e3-f396-4d5a-98d0-add9ebd337ca","observed_at":"2024-03-10T20:05:00.000Z","observed_at_local":"2024-03-10T16:05:00-04:00","notes":"Presence of gravels and small rocks near the shore , sloppy way, partially frozen lake, Partially covered canopy, Presence of black capped chickadee birds, presence of duck feathers near the water.\r\n\r\nUnable to find the root cause of high alkalinity due to the partially frozen water in the pond.","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","air_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/107207","readings":[{"id":"cec1b5de-b490-4383-ad29-15056251b28c","created_at":"2025-08-28T18:26:23.780Z","updated_at":"2025-08-28T18:26:23.780Z","parameter":"ph","unit":"std_units","value":"6.4","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"94fe9146-6d59-4228-927a-409852acc5cc","created_at":"2025-08-28T18:26:23.793Z","updated_at":"2025-08-28T18:26:23.793Z","parameter":"oxygen","unit":"mg_l","value":"10","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"238b8e91-80bb-4ab3-b50a-c3d62cc51f92","created_at":"2025-08-28T18:26:23.806Z","updated_at":"2025-08-28T18:26:23.806Z","parameter":"hardness","unit":"ppm","value":"200","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"d0245326-72c5-48e0-bfa6-997dcfdb4f95","created_at":"2025-08-28T18:26:23.813Z","updated_at":"2025-08-28T18:26:23.813Z","parameter":"alkalinity","unit":"ppm","value":"120","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"6c6df6ef-c077-40da-87d2-2dddeda1f531","created_at":"2025-08-28T18:26:23.820Z","updated_at":"2025-08-28T18:26:23.820Z","parameter":"conductivity","unit":"us_cm","value":"496","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"38dca733-4d21-4e76-bf24-5a2111a26888","created_at":"2025-08-28T18:26:23.831Z","updated_at":"2025-08-28T18:26:23.831Z","parameter":"water_temperature","unit":"deg_c","value":"2.9","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"f100de7e-b25a-4b32-aad1-0f3d8e153515","created_at":"2025-08-28T18:26:23.798Z","updated_at":"2025-11-19T15:02:19.511Z","parameter":"chlorine","unit":"ppm","value":"0","equipment":"water_rangers_freshwater_teststrips_chlorine","equipment_limit":"<="},{"id":"42838a3b-f5ab-47ff-90fe-5494f67afc7e","created_at":"2025-12-05T23:03:52.035Z","updated_at":"2025-12-05T23:03:52.035Z","parameter":"air_temperature","unit":"deg_c","value":"-2","equipment":"weather_app","equipment_limit":null}]}