{"id":"a77233e6-bc28-478f-b1f7-30f5e7fb510c","created_at":"2025-09-04T14:44:00.375Z","updated_at":"2026-01-20T21:03:58.964Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"7f294d19-20dc-412a-92af-68a929b4af66","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2018-06-21T04:00:00.000Z","observed_at_local":"2018-06-21T00:00:00-04:00","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":["total_phosphorus","total_kjeldahl_nitrogen","e_coli"],"photos":[],"permalink":"https://data.waterrangers.com/observations/167094","readings":[{"id":"736c01f0-b333-47bb-bfe9-06f115b9ddcc","created_at":"2025-09-04T14:44:00.481Z","updated_at":"2025-09-04T14:44:00.481Z","parameter":"total_phosphorus","unit":"ppb","value":"0.01","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"9ecb8392-6f70-48b7-929a-205778dcfc79","created_at":"2025-09-04T14:44:00.496Z","updated_at":"2025-09-04T14:44:00.496Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"0.38","equipment":"lab_unspecified","equipment_limit":null},{"id":"ee1dc2f6-6846-4398-856e-5a96c03ad3eb","created_at":"2025-09-04T14:44:00.468Z","updated_at":"2025-11-19T15:02:42.142Z","parameter":"e_coli","unit":"cfu_per_100ml","value":"0","equipment":"other_ecoli_lab","equipment_limit":"<="}]}