[{"id":"23ecd174-6ee0-49a9-8f40-8275baa234c7","created_at":"2025-08-29T18:25:52.721Z","updated_at":"2026-01-20T20:09:30.199Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"0d989bdd-e853-4e3d-a6ca-94b99077e325","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2012-08-29T16:00:00.000Z","observed_at_local":"2012-08-29T12:00:00-04:00","notes":"Total Phosphorus- bottm Kemmerer sample (ug/L) 19","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/113348","readings":[{"id":"e3e095ee-a86d-467e-b33e-ca063efa63cf","created_at":"2025-08-29T18:25:52.791Z","updated_at":"2025-08-29T18:25:52.791Z","parameter":"ph","unit":"std_units","value":"7.3","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"8c6e98c8-4f63-4948-bd02-100fbe1fc2fe","created_at":"2025-08-29T18:25:52.815Z","updated_at":"2025-08-29T18:25:52.815Z","parameter":"oxygen","unit":"mg_l","value":"8.04","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"92eae795-2d78-429c-b52b-d429e82a9314","created_at":"2025-08-29T18:25:52.838Z","updated_at":"2025-08-29T18:25:52.838Z","parameter":"secchi_depth","unit":"m","value":"3.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"4c67296b-9841-45bb-8c53-30a66c280d2c","created_at":"2025-08-29T18:25:52.859Z","updated_at":"2025-08-29T18:25:52.859Z","parameter":"total_phosphorus","unit":null,"value":"24.0","equipment":null,"equipment_limit":null},{"id":"338c7862-28cc-457d-afa3-cbcae7d5e2b1","created_at":"2025-08-29T18:25:52.872Z","updated_at":"2025-08-29T18:25:52.872Z","parameter":"water_temperature","unit":null,"value":"23.42","equipment":null,"equipment_limit":null}]},{"id":"937b2eb4-0f5f-423a-a5a0-ae379231c88c","created_at":"2025-08-29T18:25:57.397Z","updated_at":"2026-01-20T20:09:36.134Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"0d989bdd-e853-4e3d-a6ca-94b99077e325","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2012-07-03T16:00:00.000Z","observed_at_local":"2012-07-03T12:00:00-04:00","notes":"Total Phosphorus- bottm Kemmerer sample (ug/L) 32","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/113381","readings":[{"id":"5fbbbd98-f8c3-4835-bae2-a59a10d3f189","created_at":"2025-08-29T18:25:57.415Z","updated_at":"2025-08-29T18:25:57.415Z","parameter":"ph","unit":"std_units","value":"7.5","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"eb285cf0-82ee-4a2e-adb9-bb06f4fc1843","created_at":"2025-08-29T18:25:57.436Z","updated_at":"2025-08-29T18:25:57.436Z","parameter":"oxygen","unit":"mg_l","value":"8.85","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"efe6202a-3073-46de-8fc7-b568adc4bb29","created_at":"2025-08-29T18:25:57.449Z","updated_at":"2025-08-29T18:25:57.449Z","parameter":"secchi_depth","unit":"m","value":"3.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"20bd5f3d-56f5-4c52-a234-be121efa97af","created_at":"2025-08-29T18:25:57.467Z","updated_at":"2025-08-29T18:25:57.467Z","parameter":"total_phosphorus","unit":null,"value":"19.0","equipment":null,"equipment_limit":null},{"id":"98f56c2c-2024-4059-a40b-6d929f2ef3b9","created_at":"2025-08-29T18:25:57.472Z","updated_at":"2025-08-29T18:25:57.472Z","parameter":"water_temperature","unit":null,"value":"24.7","equipment":null,"equipment_limit":null}]},{"id":"236a1201-92a5-46dd-b92d-ee6af352b552","created_at":"2025-08-29T18:26:01.675Z","updated_at":"2026-01-20T20:09:42.523Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"0d989bdd-e853-4e3d-a6ca-94b99077e325","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2012-05-16T16:00:00.000Z","observed_at_local":"2012-05-16T12:00:00-04:00","notes":"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/113418","readings":[{"id":"962c0d0d-1fca-4bef-ae6e-f957adbb2273","created_at":"2025-08-29T18:26:01.700Z","updated_at":"2025-08-29T18:26:01.700Z","parameter":"ph","unit":"std_units","value":"7.5","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"7261651b-30b3-4397-820e-ba51eaacda69","created_at":"2025-08-29T18:26:01.716Z","updated_at":"2025-08-29T18:26:01.716Z","parameter":"oxygen","unit":"mg_l","value":"9.12","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"10a2a205-2921-426d-b8d3-c9420b49be6a","created_at":"2025-08-29T18:26:01.731Z","updated_at":"2025-08-29T18:26:01.731Z","parameter":"secchi_depth","unit":"m","value":"3.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"7a6431f2-7b07-4f73-a023-1abbececa1b6","created_at":"2025-08-29T18:26:01.759Z","updated_at":"2025-08-29T18:26:01.759Z","parameter":"total_phosphorus","unit":null,"value":"8.0","equipment":null,"equipment_limit":null},{"id":"4490866c-a7b2-438e-8dc7-32134bf582f3","created_at":"2025-08-29T18:26:01.796Z","updated_at":"2025-08-29T18:26:01.796Z","parameter":"water_temperature","unit":null,"value":"18.4","equipment":null,"equipment_limit":null}]},{"id":"74a9b6d1-f049-49d9-88fc-f856cdfd6d7f","created_at":"2025-08-29T18:25:54.891Z","updated_at":"2026-01-20T20:09:33.153Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"0d989bdd-e853-4e3d-a6ca-94b99077e325","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2007-09-24T16:00:00.000Z","observed_at_local":"2007-09-24T12:00:00-04:00","notes":"Total Phosphorus- bottm Kemmerer sample (ug/L) 24","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/113365","readings":[{"id":"b1424f3c-43c7-4ba1-8139-a44692b869de","created_at":"2025-08-29T18:25:54.919Z","updated_at":"2025-08-29T18:25:54.919Z","parameter":"ph","unit":"std_units","value":"8.5","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"3fd7b6b1-28be-437c-b10b-3686fc3a8540","created_at":"2025-08-29T18:25:54.942Z","updated_at":"2025-08-29T18:25:54.942Z","parameter":"oxygen","unit":"mg_l","value":"10.0","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"e1f44159-c126-4c6f-ab53-385d89977397","created_at":"2025-08-29T18:25:54.993Z","updated_at":"2025-08-29T18:25:54.993Z","parameter":"secchi_depth","unit":"m","value":"2.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"ecdf6a14-4bb4-4354-b1a1-2f71428185a9","created_at":"2025-08-29T18:25:55.010Z","updated_at":"2025-08-29T18:25:55.010Z","parameter":"total_phosphorus","unit":null,"value":"24.0","equipment":null,"equipment_limit":null},{"id":"dc22bcc8-c43c-4c6c-ab7c-1b22e541e069","created_at":"2025-08-29T18:25:55.069Z","updated_at":"2025-08-29T18:25:55.069Z","parameter":"water_temperature","unit":null,"value":"19.1","equipment":null,"equipment_limit":null}]},{"id":"efcdf1de-9565-4f02-8239-e129d7cc4878","created_at":"2025-08-29T18:25:54.489Z","updated_at":"2026-01-20T20:09:32.665Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"0d989bdd-e853-4e3d-a6ca-94b99077e325","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2007-07-17T16:00:00.000Z","observed_at_local":"2007-07-17T12:00:00-04:00","notes":"Total Phosphorus- bottm Kemmerer sample (ug/L) 23","checked":"review_needed","qa_notes":"Review needed: Based on previous readings, oxygen's result of 5.4mg/L is outside the expected range of 6.54-11.43mg/L.","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/113362","readings":[{"id":"ba4062aa-1f3e-42c4-babd-5b176cfe3d34","created_at":"2025-08-29T18:25:54.520Z","updated_at":"2025-08-29T18:25:54.520Z","parameter":"ph","unit":"std_units","value":"8.4","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"66880bc0-165b-4ba6-aacd-dd14ffd1e312","created_at":"2025-08-29T18:25:54.533Z","updated_at":"2025-08-29T18:25:54.533Z","parameter":"oxygen","unit":"mg_l","value":"5.4","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"8b25783c-9ba2-4278-9b8d-d71e48bc1c0b","created_at":"2025-08-29T18:25:54.558Z","updated_at":"2025-08-29T18:25:54.558Z","parameter":"secchi_depth","unit":"m","value":"3.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"60a0bb83-44c1-4355-856a-d9615479ae57","created_at":"2025-08-29T18:25:54.577Z","updated_at":"2025-08-29T18:25:54.577Z","parameter":"total_phosphorus","unit":null,"value":"23.0","equipment":null,"equipment_limit":null},{"id":"15b7450d-a88e-4bfa-b438-1284aeaa8452","created_at":"2025-08-29T18:25:54.589Z","updated_at":"2025-08-29T18:25:54.589Z","parameter":"water_temperature","unit":null,"value":"22.8","equipment":null,"equipment_limit":null}]},{"id":"02549790-de16-475f-8dab-b9a5023232dd","created_at":"2025-08-29T18:26:00.074Z","updated_at":"2026-01-20T20:09:40.096Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"0d989bdd-e853-4e3d-a6ca-94b99077e325","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2007-05-31T16:00:00.000Z","observed_at_local":"2007-05-31T12:00:00-04:00","notes":"Total Phosphorus- bottm Kemmerer sample (ug/L) 670","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/113404","readings":[{"id":"57dcdc58-4bad-46af-9cc4-eb74675aa30a","created_at":"2025-08-29T18:26:00.094Z","updated_at":"2025-08-29T18:26:00.094Z","parameter":"ph","unit":"std_units","value":"8.2","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"dc01c763-3dd6-4ba9-8426-1bc6351b3ed7","created_at":"2025-08-29T18:26:00.101Z","updated_at":"2025-08-29T18:26:00.101Z","parameter":"oxygen","unit":"mg_l","value":"9.4","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"612ccb82-6ee7-4b03-8847-671b92a2e6cb","created_at":"2025-08-29T18:26:00.109Z","updated_at":"2025-08-29T18:26:00.109Z","parameter":"secchi_depth","unit":"m","value":"3.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"9e9ebcf4-051f-4075-b2a6-62c4f046337d","created_at":"2025-08-29T18:26:00.122Z","updated_at":"2025-08-29T18:26:00.122Z","parameter":"total_phosphorus","unit":null,"value":"12.0","equipment":null,"equipment_limit":null},{"id":"e87a0b97-4ef2-48df-b836-b9c77db1f1f5","created_at":"2025-08-29T18:26:00.133Z","updated_at":"2025-08-29T18:26:00.133Z","parameter":"water_temperature","unit":null,"value":"20.1","equipment":null,"equipment_limit":null}]},{"id":"b897970a-de17-45b5-865e-b8179ecc23a8","created_at":"2025-08-29T18:25:55.555Z","updated_at":"2026-01-20T20:09:34.240Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"0d989bdd-e853-4e3d-a6ca-94b99077e325","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2002-10-11T16:00:00.000Z","observed_at_local":"2002-10-11T12:00:00-04:00","notes":"Total Phosphorus- bottm Kemmerer sample (ug/L) 28","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","secchi_depth","total_phosphorus"],"photos":[],"permalink":"https://data.waterrangers.com/observations/113370","readings":[{"id":"607e3cd9-6bbd-4aac-b8b1-64c392d77324","created_at":"2025-08-29T18:25:55.590Z","updated_at":"2025-08-29T18:25:55.590Z","parameter":"ph","unit":"std_units","value":"8.0","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"c6bc5110-ada9-4655-be82-a3e3e0d3dabc","created_at":"2025-08-29T18:25:55.634Z","updated_at":"2025-08-29T18:25:55.634Z","parameter":"secchi_depth","unit":"m","value":"3.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"378959d6-e59a-4e88-91be-97693e1b0ab5","created_at":"2025-08-29T18:25:55.638Z","updated_at":"2025-08-29T18:25:55.638Z","parameter":"total_phosphorus","unit":null,"value":"28.0","equipment":null,"equipment_limit":null}]},{"id":"acdcf11b-97e4-4ff4-ad02-f95c042a1a02","created_at":"2025-08-29T18:25:52.182Z","updated_at":"2026-01-20T20:09:29.391Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"0d989bdd-e853-4e3d-a6ca-94b99077e325","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2002-09-07T16:00:00.000Z","observed_at_local":"2002-09-07T12:00:00-04:00","notes":"Total Phosphorus- bottm Kemmerer sample (ug/L) 17","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/113343","readings":[{"id":"c55afee9-79d0-4890-b80d-330124d5eaa3","created_at":"2025-08-29T18:25:52.227Z","updated_at":"2025-08-29T18:25:52.227Z","parameter":"ph","unit":"std_units","value":"8.3","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"b2e62f11-af78-4062-86e3-6d13c1978594","created_at":"2025-08-29T18:25:52.240Z","updated_at":"2025-08-29T18:25:52.240Z","parameter":"oxygen","unit":"mg_l","value":"7.5","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"c20f8855-1d96-4368-9169-cd933ef6da39","created_at":"2025-08-29T18:25:52.253Z","updated_at":"2025-08-29T18:25:52.253Z","parameter":"secchi_depth","unit":"m","value":"2.3","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"a6032cea-bc8f-45f8-bcef-c81d1b78332a","created_at":"2025-08-29T18:25:52.262Z","updated_at":"2025-08-29T18:25:52.262Z","parameter":"total_phosphorus","unit":null,"value":"17.0","equipment":null,"equipment_limit":null},{"id":"cd780e21-cf48-49f2-b3ee-d44b01afeac8","created_at":"2025-08-29T18:25:52.272Z","updated_at":"2025-08-29T18:25:52.272Z","parameter":"water_temperature","unit":null,"value":"21.7","equipment":null,"equipment_limit":null}]},{"id":"86d1b294-65df-4bb1-bd4a-9a36c695d8b7","created_at":"2025-08-29T18:25:55.452Z","updated_at":"2026-01-20T20:09:33.987Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"0d989bdd-e853-4e3d-a6ca-94b99077e325","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2002-08-21T16:00:00.000Z","observed_at_local":"2002-08-21T12:00:00-04:00","notes":"Total Phosphorus- bottm Kemmerer sample (ug/L) 27","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","secchi_depth","total_phosphorus"],"photos":[],"permalink":"https://data.waterrangers.com/observations/113369","readings":[{"id":"5dfbc9f7-0eaa-4475-8fe8-dfe1416b371f","created_at":"2025-08-29T18:25:55.488Z","updated_at":"2025-08-29T18:25:55.488Z","parameter":"ph","unit":"std_units","value":"8.6","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"4dd61c52-dd5e-475a-94ae-e107b3f7756a","created_at":"2025-08-29T18:25:55.514Z","updated_at":"2025-08-29T18:25:55.514Z","parameter":"secchi_depth","unit":"m","value":"3.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"19657260-9b37-4057-80ff-925cea31431b","created_at":"2025-08-29T18:25:55.532Z","updated_at":"2025-08-29T18:25:55.532Z","parameter":"total_phosphorus","unit":null,"value":"27.0","equipment":null,"equipment_limit":null}]},{"id":"4c60a08a-8646-4588-9eff-e94edc37578b","created_at":"2025-08-29T18:25:51.753Z","updated_at":"2026-01-20T20:09:28.499Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"0d989bdd-e853-4e3d-a6ca-94b99077e325","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2002-08-06T16:00:00.000Z","observed_at_local":"2002-08-06T12:00:00-04:00","notes":"Total Phosphorus- bottm Kemmerer sample (ug/L) 15","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","secchi_depth","total_phosphorus"],"photos":[],"permalink":"https://data.waterrangers.com/observations/113338","readings":[{"id":"8289c8cd-30e5-42da-9358-5a62d0631dd5","created_at":"2025-08-29T18:25:51.807Z","updated_at":"2025-08-29T18:25:51.807Z","parameter":"ph","unit":"std_units","value":"8.6","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"418c43a0-6c54-419e-81ff-017cb1dd205f","created_at":"2025-08-29T18:25:51.816Z","updated_at":"2025-08-29T18:25:51.816Z","parameter":"secchi_depth","unit":"m","value":"2.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"56daa508-c4a7-467e-8573-b2779498b3d3","created_at":"2025-08-29T18:25:51.828Z","updated_at":"2025-08-29T18:25:51.828Z","parameter":"total_phosphorus","unit":null,"value":"15.0","equipment":null,"equipment_limit":null}]},{"id":"384c873d-1311-4ce8-9c5d-4cf2cbc80b42","created_at":"2025-08-29T18:25:51.225Z","updated_at":"2026-01-20T20:09:27.612Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"0d989bdd-e853-4e3d-a6ca-94b99077e325","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2002-07-31T16:00:00.000Z","observed_at_local":"2002-07-31T12:00:00-04:00","notes":"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/113333","readings":[{"id":"21b188af-511d-47a7-a116-77a7bd615b65","created_at":"2025-08-29T18:25:51.289Z","updated_at":"2025-08-29T18:25:51.289Z","parameter":"ph","unit":"std_units","value":"8.3","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"5bd941a2-e9e6-49e8-b6fe-ec0189b42bec","created_at":"2025-08-29T18:25:51.299Z","updated_at":"2025-08-29T18:25:51.299Z","parameter":"oxygen","unit":"mg_l","value":"8.3","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"0d535507-3aff-4a42-99e4-5379a3199a12","created_at":"2025-08-29T18:25:51.305Z","updated_at":"2025-08-29T18:25:51.305Z","parameter":"secchi_depth","unit":"m","value":"3.8","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"d07bdcc6-9e64-4be0-a11d-1562c4ad89e5","created_at":"2025-08-29T18:25:51.317Z","updated_at":"2025-08-29T18:25:51.317Z","parameter":"total_phosphorus","unit":null,"value":"14.0","equipment":null,"equipment_limit":null},{"id":"ffa19134-953b-4678-bb1d-ac82fd36d06d","created_at":"2025-08-29T18:25:51.327Z","updated_at":"2025-08-29T18:25:51.327Z","parameter":"water_temperature","unit":null,"value":"25.6","equipment":null,"equipment_limit":null}]},{"id":"07de622d-73bb-4b6b-9c75-29b2211835d8","created_at":"2025-08-29T18:26:00.143Z","updated_at":"2026-01-20T20:09:40.306Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"0d989bdd-e853-4e3d-a6ca-94b99077e325","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2002-07-16T16:00:00.000Z","observed_at_local":"2002-07-16T12:00:00-04:00","notes":"Total Phosphorus- bottm Kemmerer sample (ug/L) 68","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","secchi_depth","total_phosphorus"],"photos":[],"permalink":"https://data.waterrangers.com/observations/113405","readings":[{"id":"fdf5a4a0-3ed1-4b49-9bb7-2abb9336b899","created_at":"2025-08-29T18:26:00.165Z","updated_at":"2025-08-29T18:26:00.165Z","parameter":"ph","unit":"std_units","value":"8.1","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"4da685d8-3e83-4126-b486-399bd0052d18","created_at":"2025-08-29T18:26:00.171Z","updated_at":"2025-08-29T18:26:00.171Z","parameter":"secchi_depth","unit":"m","value":"3.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"68db757c-7c63-4d57-bff3-5d897f2cd3a8","created_at":"2025-08-29T18:26:00.180Z","updated_at":"2025-08-29T18:26:00.180Z","parameter":"total_phosphorus","unit":null,"value":"21.0","equipment":null,"equipment_limit":null}]},{"id":"e834e305-cf61-45db-ab2d-54f7b0909840","created_at":"2025-08-29T18:25:56.964Z","updated_at":"2026-01-20T20:09:35.417Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"0d989bdd-e853-4e3d-a6ca-94b99077e325","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2002-06-19T16:00:00.000Z","observed_at_local":"2002-06-19T12:00:00-04:00","notes":"Total Phosphorus- bottm Kemmerer sample (ug/L) 30","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","secchi_depth","total_phosphorus"],"photos":[],"permalink":"https://data.waterrangers.com/observations/113377","readings":[{"id":"6b15721d-eb3f-4b03-a9a2-ed69fb97a481","created_at":"2025-08-29T18:25:56.983Z","updated_at":"2025-08-29T18:25:56.983Z","parameter":"ph","unit":"std_units","value":"8.0","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"998687e3-0fd1-4968-97f1-81f95e6eb9ff","created_at":"2025-08-29T18:25:57.039Z","updated_at":"2025-08-29T18:25:57.039Z","parameter":"secchi_depth","unit":"m","value":"4.3","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"bf4c4cff-e780-49b3-b516-fe2822a13d56","created_at":"2025-08-29T18:25:57.048Z","updated_at":"2025-08-29T18:25:57.048Z","parameter":"total_phosphorus","unit":null,"value":"30.0","equipment":null,"equipment_limit":null}]},{"id":"80f0ed8f-3766-432e-a2fd-1174a7f9fb6c","created_at":"2025-08-29T18:25:49.611Z","updated_at":"2026-01-20T20:09:24.079Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"0d989bdd-e853-4e3d-a6ca-94b99077e325","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2002-05-10T16:00:00.000Z","observed_at_local":"2002-05-10T12:00:00-04:00","notes":"Total Phosphorus- bottm Kemmerer sample (ug/L) 11","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/113313","readings":[{"id":"529d00bf-4de4-4c7f-a616-f56376f1dba2","created_at":"2025-08-29T18:25:49.643Z","updated_at":"2025-08-29T18:25:49.643Z","parameter":"ph","unit":"std_units","value":"7.8","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"a5f8e51c-ae9c-4433-ae80-4eb0851608b7","created_at":"2025-08-29T18:25:49.649Z","updated_at":"2025-08-29T18:25:49.649Z","parameter":"oxygen","unit":"mg_l","value":"9.4","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"671e278c-3027-44c5-b90a-a44eca9c22ed","created_at":"2025-08-29T18:25:49.655Z","updated_at":"2025-08-29T18:25:49.655Z","parameter":"secchi_depth","unit":"m","value":"4.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"663a7062-5357-4594-8611-f69ed03aaf05","created_at":"2025-08-29T18:25:49.664Z","updated_at":"2025-08-29T18:25:49.664Z","parameter":"total_phosphorus","unit":null,"value":"11.0","equipment":null,"equipment_limit":null},{"id":"7c183508-a7c5-4fde-898c-f5301a8e2116","created_at":"2025-08-29T18:25:49.673Z","updated_at":"2025-08-29T18:25:49.673Z","parameter":"water_temperature","unit":null,"value":"11.4","equipment":null,"equipment_limit":null}]}]