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Total Phosphorus- bottm Kemmerer sample (ug/L) 8","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/113901","readings":[{"id":"fcac9e4a-434b-42c5-94cf-d6c40d2c999f","created_at":"2025-08-29T18:26:31.678Z","updated_at":"2025-08-29T18:26:31.678Z","parameter":"ph","unit":"std_units","value":"7.9","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"e72a0cab-2e42-4dc0-84d8-d87313113563","created_at":"2025-08-29T18:26:31.682Z","updated_at":"2025-08-29T18:26:31.682Z","parameter":"oxygen","unit":"mg_l","value":"10.07","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"43275ac1-15c1-4eb8-acfe-b2f603dc22c4","created_at":"2025-08-29T18:26:31.685Z","updated_at":"2025-08-29T18:26:31.685Z","parameter":"secchi_depth","unit":"m","value":"3.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"f0f5f64b-5653-4e0e-8fc4-75670d5bf083","created_at":"2025-08-29T18:26:31.688Z","updated_at":"2025-08-29T18:26:31.688Z","parameter":"total_phosphorus","unit":null,"value":"7.0","equipment":null,"equipment_limit":null},{"id":"c0c544cd-6190-4e67-8418-726c2ecfbdf9","created_at":"2025-08-29T18:26:31.692Z","updated_at":"2025-08-29T18:26:31.692Z","parameter":"water_temperature","unit":null,"value":"21.6","equipment":null,"equipment_limit":null}]},{"id":"a5f5228f-441d-4135-b0f0-a7d86db515e5","created_at":"2025-08-29T18:26:16.268Z","updated_at":"2026-01-20T20:10:22.314Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"a45a4208-2a50-4a29-a4a6-991777314f74","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2007-09-11T16:00:00.000Z","observed_at_local":"2007-09-11T12:00:00-04:00","notes":"Dissolved Oxygen Percent Saturation: 100 Chlorophyll A (ug/L) 1.2; Total Phosphorus- bottm Kemmerer sample (ug/L) 14","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/113630","readings":[{"id":"e5f7532a-4873-4aa8-8a4f-421d3662aa99","created_at":"2025-08-29T18:26:16.297Z","updated_at":"2025-08-29T18:26:16.297Z","parameter":"ph","unit":"std_units","value":"8.7","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"c08b7242-76af-422c-9129-3dd5661f22b6","created_at":"2025-08-29T18:26:16.301Z","updated_at":"2025-08-29T18:26:16.301Z","parameter":"oxygen","unit":"mg_l","value":"10","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"58c15fc1-66b0-44b2-92a6-b287767be40d","created_at":"2025-08-29T18:26:16.305Z","updated_at":"2025-08-29T18:26:16.305Z","parameter":"secchi_depth","unit":"m","value":"4.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"3eb24551-ae03-48bf-baf5-798a421bdc5c","created_at":"2025-08-29T18:26:16.309Z","updated_at":"2025-08-29T18:26:16.309Z","parameter":"total_phosphorus","unit":null,"value":"14.0","equipment":null,"equipment_limit":null},{"id":"5f2ac51b-e686-4def-b17d-c5a3e4321d63","created_at":"2025-08-29T18:26:16.319Z","updated_at":"2025-08-29T18:26:16.319Z","parameter":"water_temperature","unit":null,"value":"20.9","equipment":null,"equipment_limit":null}]},{"id":"512b503e-c67b-4753-ba2d-4311bfd05582","created_at":"2025-08-29T18:26:30.404Z","updated_at":"2026-01-20T20:11:08.068Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"a45a4208-2a50-4a29-a4a6-991777314f74","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2007-07-11T16:00:00.000Z","observed_at_local":"2007-07-11T12:00:00-04:00","notes":"Dissolved Oxygen Percent Saturation: 79 Chlorophyll A (ug/L) 4.2; 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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/113907","readings":[{"id":"735caebb-70bd-446c-8aae-7aad764133d2","created_at":"2025-08-29T18:26:31.981Z","updated_at":"2025-08-29T18:26:31.981Z","parameter":"ph","unit":"std_units","value":"8.4","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"26fea2fa-4845-48e6-92d8-71299733a397","created_at":"2025-08-29T18:26:31.985Z","updated_at":"2025-08-29T18:26:31.985Z","parameter":"oxygen","unit":"mg_l","value":"10.1","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"73c15ffe-436b-47ef-a6df-5108fc7f22c3","created_at":"2025-08-29T18:26:31.989Z","updated_at":"2025-08-29T18:26:31.989Z","parameter":"secchi_depth","unit":"m","value":"5.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"7ca931ba-a73c-4ce5-8516-dbe62a5feee1","created_at":"2025-08-29T18:26:31.993Z","updated_at":"2025-08-29T18:26:31.993Z","parameter":"total_phosphorus","unit":null,"value":"12.0","equipment":null,"equipment_limit":null},{"id":"368c4ff4-1df2-4d0b-a16a-fc3145f37ef2","created_at":"2025-08-29T18:26:31.996Z","updated_at":"2025-08-29T18:26:31.996Z","parameter":"water_temperature","unit":null,"value":"19.8","equipment":null,"equipment_limit":null}]},{"id":"03f44270-acc4-4d51-a84b-742cc0dbd074","created_at":"2025-08-29T18:26:46.867Z","updated_at":"2026-01-20T20:12:06.449Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"a45a4208-2a50-4a29-a4a6-991777314f74","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2002-10-10T16:00:00.000Z","observed_at_local":"2002-10-10T12:00:00-04:00","notes":"Dissolved Oxygen Percent Saturation: 99 Chlorophyll A (ug/L) 2; 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