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wind","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["oxygen","ph","secchi_depth","conductivity","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/166460","readings":[{"id":"9c7df2ec-c5e9-431b-8179-1f46d82d4cf3","created_at":"2025-09-04T14:39:04.561Z","updated_at":"2025-09-04T14:39:04.561Z","parameter":"ph","unit":"std_units","value":"6.72","equipment":"unspecified_ph","equipment_limit":null},{"id":"a4b079e2-1edf-403a-bcc7-ff51aed0f3d3","created_at":"2025-09-04T14:39:04.579Z","updated_at":"2025-09-04T14:39:04.579Z","parameter":"oxygen","unit":"mg_l","value":"8.67","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"32e82be8-f655-48e8-be8b-ce39cf245340","created_at":"2025-09-04T14:39:04.602Z","updated_at":"2025-09-04T14:39:04.602Z","parameter":"secchi_depth","unit":"m","value":"4","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"41c33537-6768-45c2-9325-1de8da73b0c3","created_at":"2025-09-04T14:39:04.621Z","updated_at":"2025-09-04T14:39:04.621Z","parameter":"conductivity","unit":"us_cm","value":"61","equipment":"unspecified_conductivity","equipment_limit":null},{"id":"e8294292-e639-4477-a728-c96dd72b8fb0","created_at":"2025-09-04T14:39:04.644Z","updated_at":"2025-09-04T14:39:04.644Z","parameter":"water_temperature","unit":"deg_c","value":"22.14","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"cd0f3c60-155f-4bda-9920-d54740cd103f","created_at":"2025-09-04T14:39:04.632Z","updated_at":"2025-11-26T13:32:10.515Z","parameter":"oxygen","unit":"percent","value":"99.4","equipment":"unspecified_oxygen_percent","equipment_limit":null}]},{"id":"2a0714d8-e7af-4ad7-93a3-9aeb137b1608","created_at":"2025-09-04T14:38:36.648Z","updated_at":"2026-01-20T21:01:50.445Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"2d96c660-821b-487f-9657-b51237ac1e8a","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2017-05-09T16:18:00.000Z","observed_at_local":"2017-05-09T12:18:00-04:00","notes":"\"light 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B16-31978-9","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"],"photos":[],"permalink":"https://data.waterrangers.com/observations/166280","readings":[{"id":"669f5bc1-7350-4345-9ced-6cd4933deae3","created_at":"2025-09-04T14:38:16.900Z","updated_at":"2025-09-04T14:38:16.900Z","parameter":"total_phosphorus","unit":"ppb","value":"13","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"f0810da2-861e-4403-9c6b-e49a9b1b72c3","created_at":"2025-09-04T14:38:16.914Z","updated_at":"2025-09-04T14:38:16.914Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"410","equipment":"lab_unspecified","equipment_limit":null}]},{"id":"d80d1ed6-39a4-441a-b570-9c23c03430d5","created_at":"2025-09-04T14:38:16.651Z","updated_at":"2026-01-20T21:01:30.603Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"2d96c660-821b-487f-9657-b51237ac1e8a","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-07-26T16:00:00.000Z","observed_at_local":"2016-07-26T12:00:00-04:00","notes":"Calcium: 9.6\r\nSample: B16-22108-7","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"],"photos":[],"permalink":"https://data.waterrangers.com/observations/166279","readings":[{"id":"d824536c-db7c-4476-a718-eca261036a11","created_at":"2025-09-04T14:38:16.734Z","updated_at":"2025-09-04T14:38:16.734Z","parameter":"total_phosphorus","unit":"ppb","value":"4","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"c5f0c5ee-4ae9-499b-9372-a4ae62db91f6","created_at":"2025-09-04T14:38:16.746Z","updated_at":"2025-09-04T14:38:16.746Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"290","equipment":"lab_unspecified","equipment_limit":null}]},{"id":"7563b82a-74e6-4c78-8d61-1755959be3bc","created_at":"2025-09-04T14:38:16.350Z","updated_at":"2026-01-20T21:01:30.407Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"2d96c660-821b-487f-9657-b51237ac1e8a","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-06-20T16:00:00.000Z","observed_at_local":"2016-06-20T12:00:00-04:00","notes":"Sample: 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