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Phosphorus- bottm Kemmerer sample (ug/L) 5","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","secchi_depth","total_phosphorus","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/113394","readings":[{"id":"1df1524d-45ef-4a7f-8bb7-9fc2c5b6f109","created_at":"2025-08-29T18:25:58.672Z","updated_at":"2025-08-29T18:25:58.672Z","parameter":"ph","unit":"std_units","value":"8.4","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"40542f12-32d4-49f9-b5ad-74ff2e76c44b","created_at":"2025-08-29T18:25:58.690Z","updated_at":"2025-08-29T18:25:58.690Z","parameter":"oxygen","unit":"mg_l","value":"8.39","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"9d405adf-3f5e-40c1-9565-68f3f9174bdb","created_at":"2025-08-29T18:25:58.697Z","updated_at":"2025-08-29T18:25:58.697Z","parameter":"secchi_depth","unit":"m","value":"4.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"eceaea40-adcb-4f5e-bac5-1eb2503e9f31","created_at":"2025-08-29T18:25:58.705Z","updated_at":"2025-08-29T18:25:58.705Z","parameter":"total_phosphorus","unit":null,"value":"4.0","equipment":null,"equipment_limit":null},{"id":"4d316da2-83dd-499d-9dd8-7146929b1a46","created_at":"2025-08-29T18:25:58.712Z","updated_at":"2025-08-29T18:25:58.712Z","parameter":"water_temperature","unit":null,"value":"23.1","equipment":null,"equipment_limit":null}]},{"id":"bb756826-cd03-41ee-ba40-1ec79287dda0","created_at":"2025-08-29T18:25:48.796Z","updated_at":"2026-01-20T20:09:21.485Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"540c701a-4e08-410f-b6f1-db2e6dda5d7b","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2015-06-01T16:00:00.000Z","observed_at_local":"2015-06-01T12:00:00-04:00","notes":"Total Phosphorus- bottm Kemmerer sample (ug/L) 10","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["oxygen","secchi_depth","total_phosphorus","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/113301","readings":[{"id":"11e0e841-9677-4ac3-bdc3-c7039c4542ce","created_at":"2025-08-29T18:25:48.826Z","updated_at":"2025-08-29T18:25:48.826Z","parameter":"oxygen","unit":"mg_l","value":"9.41","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"cefdbf9c-d852-44b8-bb80-f53321d8d314","created_at":"2025-08-29T18:25:48.830Z","updated_at":"2025-08-29T18:25:48.830Z","parameter":"secchi_depth","unit":"m","value":"3.3","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"994f534a-dae9-4647-807e-49853ef40bfd","created_at":"2025-08-29T18:25:48.833Z","updated_at":"2025-08-29T18:25:48.833Z","parameter":"total_phosphorus","unit":null,"value":"7.0","equipment":null,"equipment_limit":null},{"id":"d5c08733-3edc-475f-bdec-2bc3bb38345c","created_at":"2025-08-29T18:25:48.837Z","updated_at":"2025-08-29T18:25:48.837Z","parameter":"water_temperature","unit":null,"value":"17.9","equipment":null,"equipment_limit":null}]},{"id":"dd81d9ff-ffcc-4ee9-91c6-4dc18be218b0","created_at":"2025-08-29T18:25:49.198Z","updated_at":"2026-01-20T20:09:23.032Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"540c701a-4e08-410f-b6f1-db2e6dda5d7b","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2009-09-10T16:00:00.000Z","observed_at_local":"2009-09-10T12:00:00-04:00","notes":"Total Phosphorus- bottm Kemmerer sample (ug/L) 11","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","secchi_depth","total_phosphorus","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/113308","readings":[{"id":"fd81aafb-5081-444e-8e20-6b38d64bcfff","created_at":"2025-08-29T18:25:49.223Z","updated_at":"2025-08-29T18:25:49.223Z","parameter":"ph","unit":"std_units","value":"8.9","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"28436a39-bcbe-4884-a65f-6b492ae1667b","created_at":"2025-08-29T18:25:49.234Z","updated_at":"2025-08-29T18:25:49.234Z","parameter":"oxygen","unit":"mg_l","value":"9","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"a3a88960-1761-4f50-97de-8f3ade78c575","created_at":"2025-08-29T18:25:49.247Z","updated_at":"2025-08-29T18:25:49.247Z","parameter":"secchi_depth","unit":"m","value":"8.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"8402a0d0-fe25-4335-9a61-f1df2c1d640d","created_at":"2025-08-29T18:25:49.257Z","updated_at":"2025-08-29T18:25:49.257Z","parameter":"total_phosphorus","unit":null,"value":"12.0","equipment":null,"equipment_limit":null},{"id":"0f0ac157-b5a7-475e-b50b-dcbed3c4a140","created_at":"2025-08-29T18:25:49.266Z","updated_at":"2025-08-29T18:25:49.266Z","parameter":"water_temperature","unit":null,"value":"21.4","equipment":null,"equipment_limit":null}]},{"id":"5cb6a3bb-8a9f-4350-b662-0536694daabc","created_at":"2025-08-29T18:25:50.095Z","updated_at":"2026-01-20T20:09:24.876Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"540c701a-4e08-410f-b6f1-db2e6dda5d7b","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2009-07-15T16:00:00.000Z","observed_at_local":"2009-07-15T12:00:00-04:00","notes":"Total Phosphorus- bottm Kemmerer sample (ug/L) 12","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","secchi_depth","total_phosphorus","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/113318","readings":[{"id":"93c121b6-420e-463b-9352-f7ea75b4147d","created_at":"2025-08-29T18:25:50.118Z","updated_at":"2025-08-29T18:25:50.118Z","parameter":"ph","unit":"std_units","value":"8.4","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"2cc7c782-57df-4a1d-9e41-77f779ec14bf","created_at":"2025-08-29T18:25:50.125Z","updated_at":"2025-08-29T18:25:50.125Z","parameter":"oxygen","unit":"mg_l","value":"8","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"975e0f85-22fb-4446-a693-7dfe643213c6","created_at":"2025-08-29T18:25:50.145Z","updated_at":"2025-08-29T18:25:50.145Z","parameter":"secchi_depth","unit":"m","value":"6.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"7693d1cd-9b87-4174-9dff-7e66bbb5e2d5","created_at":"2025-08-29T18:25:50.159Z","updated_at":"2025-08-29T18:25:50.159Z","parameter":"total_phosphorus","unit":null,"value":"9.0","equipment":null,"equipment_limit":null},{"id":"09ce4a4e-78c5-42b7-9256-0c90b6667e2d","created_at":"2025-08-29T18:25:50.169Z","updated_at":"2025-08-29T18:25:50.169Z","parameter":"water_temperature","unit":null,"value":"21.3","equipment":null,"equipment_limit":null}]},{"id":"b4407505-76bb-4da2-9f11-748029a5a11c","created_at":"2025-08-29T18:25:53.917Z","updated_at":"2026-01-20T20:09:31.788Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"540c701a-4e08-410f-b6f1-db2e6dda5d7b","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2009-06-15T16:00:00.000Z","observed_at_local":"2009-06-15T12:00:00-04:00","notes":"Total Phosphorus- bottm Kemmerer sample (ug/L) 21","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","secchi_depth","total_phosphorus","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/113357","readings":[{"id":"9255ec81-5733-49be-a658-37651db6fb7c","created_at":"2025-08-29T18:25:53.941Z","updated_at":"2025-08-29T18:25:53.941Z","parameter":"ph","unit":"std_units","value":"7.9","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"c471b53a-ed8d-42b6-9994-4ca48c23d9fc","created_at":"2025-08-29T18:25:53.963Z","updated_at":"2025-08-29T18:25:53.963Z","parameter":"oxygen","unit":"mg_l","value":"9","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"fe3d969f-a32f-4635-b8b3-88686711438f","created_at":"2025-08-29T18:25:53.986Z","updated_at":"2025-08-29T18:25:53.986Z","parameter":"secchi_depth","unit":"m","value":"5.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"063eabf9-2cd8-4e27-b9be-42e336f4eb65","created_at":"2025-08-29T18:25:53.994Z","updated_at":"2025-08-29T18:25:53.994Z","parameter":"total_phosphorus","unit":null,"value":"7.0","equipment":null,"equipment_limit":null},{"id":"01eb5a54-5bc9-4ed8-b2aa-adee71b2c094","created_at":"2025-08-29T18:25:54.010Z","updated_at":"2025-08-29T18:25:54.010Z","parameter":"water_temperature","unit":null,"value":"20.5","equipment":null,"equipment_limit":null}]},{"id":"8c498011-d697-46b3-803a-3e47e89ebb66","created_at":"2025-08-29T18:26:00.546Z","updated_at":"2026-01-20T20:09:40.932Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"540c701a-4e08-410f-b6f1-db2e6dda5d7b","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2004-09-16T16:00:00.000Z","observed_at_local":"2004-09-16T12:00:00-04:00","notes":"Total Phosphorus- bottm Kemmerer sample (ug/L) 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