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3-06-20T04:00:00.000Z","observed_at_local":"2013-06-20T00:00:00-04:00","notes":null,"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","air_temperature","total_phosphorus","water_temperature","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/160437","readings":[{"id":"cf684799-4ab2-44c2-8e5c-9ad4b45867ac","created_at":"2025-09-04T14:23:41.555Z","updated_at":"2025-09-04T14:23:41.555Z","parameter":"ph","unit":"std_units","value":"8.65","equipment":"unspecified_ph","equipment_limit":null},{"id":"d5f0f857-213b-45fa-8da7-03352ff862c1","created_at":"2025-09-04T14:23:41.572Z","updated_at":"2025-09-04T14:23:41.572Z","parameter":"oxygen","unit":"mg_l","value":"10.59","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"e2b512f6-569b-412d-8afd-c7f29e3b158a","created_at":"2025-09-04T14:23:41.620Z","updated_at":"2025-09-04T14:23:41.620Z","parameter":"air_temperature","unit":"deg_c","value":"22","equipment":"unspecified_air_temperature","equipment_limit":null},{"id":"8955f628-99ca-401c-bc06-765cf6f7ad97","created_at":"2025-09-04T14:23:41.631Z","updated_at":"2025-09-04T14:23:41.631Z","parameter":"total_phosphorus","unit":"ppb","value":"16","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"7cf627f6-2769-49d9-aaf1-fb1734cba77a","created_at":"2025-09-04T14:23:41.654Z","updated_at":"2025-09-04T14:23:41.654Z","parameter":"water_temperature","unit":"deg_c","value":"19.57","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"b3cb8d55-5b4b-46d1-a543-efe528e74f76","created_at":"2025-09-04T14:23:41.669Z","updated_at":"2025-09-04T14:23:41.669Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"390","equipment":"lab_unspecified","equipment_limit":null}]},{"id":"43715e29-744a-4998-94ae-13949f9fd021","created_at":"2025-09-04T14:23:44.031Z","updated_at":"2026-01-20T20:38:39.912Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"6c7f8df6-3ce4-47b9-83cf-6b3ff24aec69","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2011-08-17T04:00:00.000Z","observed_at_local":"2011-08-17T00:00:00-04:00","notes":null,"checked":"review_needed","qa_notes":"Review needed: Based on previous readings, oxygen's result of 8.93mg/L is outside the expected range of 10.13-11.11mg/L.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","total_phosphorus","water_temperature","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/160457","readings":[{"id":"d5f0b8e0-f60c-4776-a82c-f734fc76bed6","created_at":"2025-09-04T14:23:44.062Z","updated_at":"2025-09-04T14:23:44.062Z","parameter":"ph","unit":"std_units","value":"8.92","equipment":"unspecified_ph","equipment_limit":null},{"id":"f087c4dc-fcda-46c8-81e9-ce576c691ad8","created_at":"2025-09-04T14:23:44.071Z","updated_at":"2025-09-04T14:23:44.071Z","parameter":"oxygen","unit":"mg_l","value":"8.93","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"d6407da4-c809-42c9-9a43-030813953419","created_at":"2025-09-04T14:23:44.082Z","updated_at":"2025-09-04T14:23:44.082Z","parameter":"total_phosphorus","unit":"ppb","value":"16","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"5f4862ba-a0e8-41bf-a4c4-8bd2bbafd51a","created_at":"2025-09-04T14:23:44.094Z","updated_at":"2025-09-04T14:23:44.094Z","parameter":"water_temperature","unit":"deg_c","value":"24.84","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"e3d5690e-0185-4189-942c-2d65bfaf82bd","created_at":"2025-09-04T14:23:44.105Z","updated_at":"2025-09-04T14:23:44.105Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"200","equipment":"lab_unspecified","equipment_limit":null}]},{"id":"0713beb0-9733-4618-994f-285bdae77070","created_at":"2025-09-04T14:23:43.875Z","updated_at":"2026-01-20T20:38:39.611Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"6c7f8df6-3ce4-47b9-83cf-6b3ff24aec69","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2011-07-05T04:00:00.000Z","observed_at_local":"2011-07-05T00:00:00-04:00","notes":null,"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","air_temperature","total_phosphorus","water_temperature","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/160456","readings":[{"id":"0c4cffd9-4304-4d38-a5f4-faa704e64f18","created_at":"2025-09-04T14:23:43.920Z","updated_at":"2025-09-04T14:23:43.920Z","parameter":"ph","unit":"std_units","value":"8.48","equipment":"unspecified_ph","equipment_limit":null},{"id":"1d6e27e5-8f99-4857-9479-5c69850292c7","created_at":"2025-09-04T14:23:43.931Z","updated_at":"2025-09-04T14:23:43.931Z","parameter":"oxygen","unit":"mg_l","value":"10.43","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"4b26f3ac-98a1-4905-ad1f-9e55731b164b","created_at":"2025-09-04T14:23:43.945Z","updated_at":"2025-09-04T14:23:43.945Z","parameter":"air_temperature","unit":"deg_c","value":"27","equipment":"unspecified_air_temperature","equipment_limit":null},{"id":"f9b42436-c55b-4bcf-9f61-21d0ed02a564","created_at":"2025-09-04T14:23:43.961Z","updated_at":"2025-09-04T14:23:43.961Z","parameter":"total_phosphorus","unit":"ppb","value":"15","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"643b746f-fbad-49ca-9d18-433d38eb700c","created_at":"2025-09-04T14:23:43.972Z","updated_at":"2025-09-04T14:23:43.972Z","parameter":"water_temperature","unit":"deg_c","value":"24.73","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"702f43c3-6f5f-448f-8d26-5d8ecee752c2","created_at":"2025-09-04T14:23:43.987Z","updated_at":"2025-09-04T14:23:43.987Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"320","equipment":"lab_unspecified","equipment_limit":null}]},{"id":"89e39472-5d4d-4e5d-9d3d-67682499629d","created_at":"2025-09-04T14:23:43.660Z","updated_at":"2026-01-20T20:38:39.273Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"6c7f8df6-3ce4-47b9-83cf-6b3ff24aec69","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2010-08-11T04:00:00.000Z","observed_at_local":"2010-08-11T00:00:00-04:00","notes":null,"checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","air_temperature","total_phosphorus","water_temperature","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/160455","readings":[{"id":"6c887e95-9ab3-4be5-ba1a-b69fbf1c6e33","created_at":"2025-09-04T14:23:43.718Z","updated_at":"2025-09-04T14:23:43.718Z","parameter":"ph","unit":"std_units","value":"8.55","equipment":"unspecified_ph","equipment_limit":null},{"id":"6b1bd279-db06-42c5-9fa7-b01946b4569c","created_at":"2025-09-04T14:23:43.780Z","updated_at":"2025-09-04T14:23:43.780Z","parameter":"air_temperature","unit":"deg_c","value":"22.7","equipment":"unspecified_air_temperature","equipment_limit":null},{"id":"05de742a-ed99-4ff6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