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olved_organic_carbon","unit":"mg_l","value":"4.3","equipment":"lab_test_doc_infared","equipment_limit":null}]},{"id":"6cabae6e-6b1b-472e-bf9b-b30dcb65c6f0","created_at":"2025-08-19T21:03:51.379Z","updated_at":"2026-01-12T18:21:28.573Z","owner_id":"a62194ac-7956-458d-af0f-582737a214d7","location_id":"96551f6b-d9df-41e4-aa9b-4fd3a5131cd7","dataset_id":"bb3332a8-af42-4f08-81f2-db689085c98f","form_id":"8850a2ea-de24-40ae-8e80-1cc6b6d7727b","observed_at":"2022-06-19T04:00:00.000Z","observed_at_local":"2022-06-19T00:00:00-04:00","notes":"","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["secchi_depth","chlorophyll_a","phosphate_phosphorus","dissolved_organic_carbon"],"photos":[],"permalink":"https://data.waterrangers.com/observations/73242","readings":[{"id":"7bb0e693-5095-4565-a0f6-fb713e918a20","created_at":"2025-08-19T21:03:51.462Z","updated_at":"2025-08-19T21:03:51.462Z","parameter":"secchi_depth","unit":"m","value":"8.8","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"066a1672-bd40-48dd-b6ef-a4b54eacf5c7","created_at":"2025-08-19T21:03:51.468Z","updated_at":"2025-08-19T21:03:51.468Z","parameter":"chlorophyll_a","unit":"ug_l","value":"0.9","equipment":"fluorometer_ug_l","equipment_limit":null},{"id":"2dc5e373-9ced-4fa9-aa4e-9f73ae1162d7","created_at":"2025-08-19T21:03:51.479Z","updated_at":"2025-08-19T21:03:51.479Z","parameter":"phosphate_phosphorus","unit":"ug_l","value":"5","equipment":"lab_total_phosphorus_persulfate","equipment_limit":null},{"id":"fa534072-cc2c-46c9-835d-47172d54741f","created_at":"2025-08-19T21:03:51.489Z","updated_at":"2025-08-19T21:03:51.489Z","parameter":"dissolved_organic_carbon","unit":"mg_l","value":"4.5","equipment":"lab_test_doc_infared","equipment_limit":null}]},{"id":"e2cece2f-d2ff-4f06-b2a9-381545813345","created_at":"2025-08-19T21:03:51.194Z","updated_at":"2026-01-12T18:21:27.960Z","owner_id":"a62194ac-7956-458d-af0f-582737a214d7","location_id":"96551f6b-d9df-41e4-aa9b-4fd3a5131cd7","dataset_id":"bb3332a8-af42-4f08-81f2-db689085c98f","form_id":"8850a2ea-de24-40ae-8e80-1cc6b6d7727b","observed_at":"2021-08-21T04:00:00.000Z","observed_at_local":"2021-08-21T00:00:00-04:00","notes":"","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["secchi_depth","chlorophyll_a","phosphate_phosphorus","dissolved_organic_carbon"],"photos":[],"permalink":"https://data.waterrangers.com/observations/73240","readings":[{"id":"b7d4c7ee-1163-421a-9992-0b8d936ca709","created_at":"2025-08-19T21:03:51.246Z","updated_at":"2025-08-19T21:03:51.246Z","parameter":"secchi_depth","unit":"m","value":"8.1","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"e433d2b4-c6a2-4d08-b49a-9c5c2d40bfd7","created_at":"2025-08-19T21:03:51.253Z","updated_at":"2025-08-19T21:03:51.253Z","parameter":"chlorophyll_a","unit":"ug_l","value":"1","equipment":"fluorometer_ug_l","equipment_limit":null},{"id":"5aee94db-c8a1-41ed-aadf-a463605e4ae6","created_at":"2025-08-19T21:03:51.265Z","updated_at":"2025-08-19T21:03:51.265Z","parameter":"phosphate_phosphorus","unit":"ug_l","value":"2","equipment":"lab_total_phosphorus_persulfate","equipment_limit":null},{"id":"8c8ef6cc-d8a9-4bcb-9751-ff53d53d649f","created_at":"2025-08-19T21:03:51.273Z","updated_at":"2025-08-19T21:03:51.273Z","parameter":"dissolved_organic_carbon","unit":"mg_l","value":"4.4","equipment":"lab_test_doc_infared","equipment_limit":null}]},{"id":"a24b24e5-6a56-4cd5-bae4-f6a616e8a23f","created_at":"2025-08-19T21:03:51.103Z","updated_at":"2026-01-12T18:21:27.619Z","owner_id":"a62194ac-7956-458d-af0f-582737a214d7","location_id":"96551f6b-d9df-41e4-aa9b-4fd3a5131cd7","dataset_id":"bb3332a8-af42-4f08-81f2-db689085c98f","form_id":"8850a2ea-de24-40ae-8e80-1cc6b6d7727b","observed_at":"2021-07-25T04:00:00.000Z","observed_at_local":"2021-07-25T00:00:00-04:00","notes":"","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["secchi_depth"],"photos":[],"permalink":"https://data.waterrangers.com/observations/73239","readings":[{"id":"26ee8932-aa30-48a8-ab5c-7e48c149e2d9","created_at":"2025-08-19T21:03:51.173Z","updated_at":"2025-08-19T21:03:51.173Z","parameter":"secchi_depth","unit":"m","value":"6.6","equipment":"secchi_disk_20cm","equipment_limit":null}]},{"id":"d8ebbdab-6ce3-4f25-8c4f-5e472f05f861","created_at":"2025-08-19T21:03:51.990Z","updated_at":"2026-01-12T18:21:30.205Z","owner_id":"a62194ac-7956-458d-af0f-582737a214d7","location_id":"96551f6b-d9df-41e4-aa9b-4fd3a5131cd7","dataset_id":"bb3332a8-af42-4f08-81f2-db689085c98f","form_id":"8850a2ea-de24-40ae-8e80-1cc6b6d7727b","observed_at":"2021-07-18T04:00:00.000Z","observed_at_local":"2021-07-18T00:00:00-04:00","notes":"","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_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