{"id":"ed52cab2-59ff-45e1-92b4-455afd89b2d3","created_at":"2025-08-19T21:48:07.464Z","updated_at":"2026-01-12T18:24:39.118Z","owner_id":"354d6d1e-c70c-4b12-9271-832d21e194d3","location_id":"7eb771cf-0575-4c39-895c-3a2a12ca3bfa","dataset_id":"23ce8609-3713-4e4a-bd39-5bef092c4c4a","form_id":"2a22f47f-379e-4897-bb02-5f5d4385901a","observed_at":"2022-05-31T04:00:00.000Z","observed_at_local":"2022-05-31T00:00:00-04:00","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/73850","readings":[{"id":"fcdf3ee8-e8e1-4e21-a7eb-ab3c2c5a235c","created_at":"2025-08-19T21:48:07.493Z","updated_at":"2025-08-19T21:48:07.493Z","parameter":"secchi_depth","unit":"m","value":"4.9","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"c92cd9ae-9f86-4c0b-9868-4f5ffbe1f535","created_at":"2025-08-19T21:48:07.501Z","updated_at":"2025-08-19T21:48:07.501Z","parameter":"chlorophyll_a","unit":"ug_l","value":"1.92","equipment":"fluorometer_ug_l","equipment_limit":null},{"id":"46fd0a86-4a13-427f-9a3e-c942391a270e","created_at":"2025-08-19T21:48:07.505Z","updated_at":"2025-08-19T21:48:07.505Z","parameter":"phosphate_phosphorus","unit":"ug_l","value":"7","equipment":"lab_total_phosphorus_persulfate","equipment_limit":null},{"id":"6a46495e-5681-4487-9ccc-7d967f6e01e0","created_at":"2025-08-19T21:48:07.510Z","updated_at":"2025-08-19T21:48:07.510Z","parameter":"dissolved_organic_carbon","unit":"mg_l","value":"4.5","equipment":"lab_test_doc_infared","equipment_limit":null}]}