[{"id":"e0ea46ab-cad9-4284-82c3-8cba3e408454","created_at":"2025-09-04T14:40:50.366Z","updated_at":"2026-01-20T21:02:49.595Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"d505faf7-60c7-4539-b6da-a4818d092d7d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2018-11-03T04:00:00.000Z","observed_at_local":"2018-11-03T00:00:00-04:00","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"],"photos":[],"permalink":"https://data.waterrangers.com/observations/166668","readings":[{"id":"55dbfb2b-ce8c-400a-bd93-91829d44d835","created_at":"2025-09-04T14:40:50.432Z","updated_at":"2025-09-04T14:40:50.432Z","parameter":"total_phosphorus","unit":"ppb","value":"0.01","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"7409d616-c41f-453a-a3bb-b7c77f4458ba","created_at":"2025-09-04T14:40:50.456Z","updated_at":"2025-09-04T14:40:50.456Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"0.4","equipment":"lab_unspecified","equipment_limit":null}]},{"id":"77c4b61d-2477-411a-8799-2caf98abbc89","created_at":"2025-09-04T14:40:50.214Z","updated_at":"2026-01-20T21:02:49.430Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"d505faf7-60c7-4539-b6da-a4818d092d7d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2018-08-03T04:00:00.000Z","observed_at_local":"2018-08-03T00:00:00-04:00","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":["calcium","total_phosphorus","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/166667","readings":[{"id":"3467f317-5bbf-48ce-a2f1-dd4d4b23ea9e","created_at":"2025-09-04T14:40:50.300Z","updated_at":"2025-09-04T14:40:50.300Z","parameter":"calcium","unit":"mg_l","value":"23.4","equipment":"unspecified_calcium","equipment_limit":null},{"id":"d4bd7f34-dff1-43f2-9313-87011f05957d","created_at":"2025-09-04T14:40:50.325Z","updated_at":"2025-09-04T14:40:50.325Z","parameter":"total_phosphorus","unit":"ppb","value":"0.01","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"6963e14b-ff40-485f-bcaa-576f5c5d0cb8","created_at":"2025-09-04T14:40:50.338Z","updated_at":"2025-09-04T14:40:50.338Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"0.44","equipment":"lab_unspecified","equipment_limit":null}]},{"id":"5dd27b7a-59e8-4ea9-9356-3557ce5b1424","created_at":"2025-09-04T14:40:49.927Z","updated_at":"2026-01-20T21:02:49.268Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"d505faf7-60c7-4539-b6da-a4818d092d7d","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"],"photos":[],"permalink":"https://data.waterrangers.com/observations/166666","readings":[{"id":"7aa2a51a-db48-4f3b-822a-c8769e2c665b","created_at":"2025-09-04T14:40:50.076Z","updated_at":"2025-09-04T14:40:50.076Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"0.34","equipment":"lab_unspecified","equipment_limit":null},{"id":"cecdda45-a504-4512-84b2-f2e7595c1f69","created_at":"2025-09-04T14:40:50.062Z","updated_at":"2025-11-19T15:02:42.142Z","parameter":"total_phosphorus","unit":"ppb","value":"0","equipment":"unspecified_total_phosphorus","equipment_limit":"<="}]},{"id":"d5291b0f-a832-4b70-be8b-ad5e20384d7a","created_at":"2025-09-04T14:40:49.207Z","updated_at":"2026-01-20T21:02:49.106Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"d505faf7-60c7-4539-b6da-a4818d092d7d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2018-05-11T04:00:00.000Z","observed_at_local":"2018-05-11T00:00:00-04:00","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"],"photos":[],"permalink":"https://data.waterrangers.com/observations/166665","readings":[{"id":"62f64e28-b3ae-47d0-aa3b-6f69ec3d759a","created_at":"2025-09-04T14:40:49.359Z","updated_at":"2025-09-04T14:40:49.359Z","parameter":"total_phosphorus","unit":"ppb","value":"0.01","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"de7a35bc-96cc-4926-a6f1-14c8a53a9648","created_at":"2025-09-04T14:40:49.392Z","updated_at":"2025-09-04T14:40:49.392Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"0.34","equipment":"lab_unspecified","equipment_limit":null}]},{"id":"4da993d4-7fdd-49e7-803f-564999f3daec","created_at":"2025-09-04T14:39:17.130Z","updated_at":"2026-01-20T21:02:14.482Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"d505faf7-60c7-4539-b6da-a4818d092d7d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2017-06-26T19:06:00.000Z","observed_at_local":"2017-06-26T15:06:00-04:00","notes":"\"Calm","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","conductivity","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/166486","readings":[{"id":"cc02e2f9-4c9f-4e8b-bba8-8164bc57f6aa","created_at":"2025-09-04T14:39:17.218Z","updated_at":"2025-09-04T14:39:17.218Z","parameter":"ph","unit":"std_units","value":"8.07","equipment":"unspecified_ph","equipment_limit":null},{"id":"73e616e4-b6a0-4cee-9355-93d2c8485972","created_at":"2025-09-04T14:39:17.247Z","updated_at":"2025-09-04T14:39:17.247Z","parameter":"oxygen","unit":"mg_l","value":"8.97","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"55106dca-a048-4849-a6e7-1aa74e8e4402","created_at":"2025-09-04T14:39:17.285Z","updated_at":"2025-09-04T14:39:17.285Z","parameter":"secchi_depth","unit":"m","value":"4","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"b6c292de-8bb9-4605-b4c4-fbad56a5ac7b","created_at":"2025-09-04T14:39:17.304Z","updated_at":"2025-09-04T14:39:17.304Z","parameter":"conductivity","unit":"us_cm","value":"180","equipment":"unspecified_conductivity","equipment_limit":null},{"id":"bde8c881-58c4-42ae-adfd-2af76c9e8bc3","created_at":"2025-09-04T14:39:17.353Z","updated_at":"2025-09-04T14:39:17.353Z","parameter":"water_temperature","unit":"deg_c","value":"22.93","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"fd88b0e6-01a5-429c-b421-09bd9c41fdc6","created_at":"2025-09-04T14:39:17.334Z","updated_at":"2025-11-26T13:32:10.753Z","parameter":"oxygen","unit":"percent","value":"104.6","equipment":"unspecified_oxygen_percent","equipment_limit":null}]},{"id":"a6579b0a-9578-41ad-8048-ade851b3bd9e","created_at":"2025-09-04T14:38:39.961Z","updated_at":"2026-01-20T21:01:53.978Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"d505faf7-60c7-4539-b6da-a4818d092d7d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2017-05-12T14:03:00.000Z","observed_at_local":"2017-05-12T10:03:00-04:00","notes":"\"light wind","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","conductivity","air_temperature","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/166384","readings":[{"id":"524d3f59-bca1-4b16-a542-f0d57124af31","created_at":"2025-09-04T14:38:41.770Z","updated_at":"2025-09-04T14:38:41.770Z","parameter":"ph","unit":"std_units","value":"7.27","equipment":"unspecified_ph","equipment_limit":null},{"id":"af318dbe-cfd2-4f0c-b679-d6a8b6dbae2f","created_at":"2025-09-04T14:38:41.789Z","updated_at":"2025-09-04T14:38:41.789Z","parameter":"oxygen","unit":"mg_l","value":"11.91","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"73f6849f-322d-4bf7-8d86-bf34a5cb00b5","created_at":"2025-09-04T14:38:41.802Z","updated_at":"2025-09-04T14:38:41.802Z","parameter":"secchi_depth","unit":"m","value":"2.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"1a963cc9-1f8b-48cf-8fc4-769abd93d7d1","created_at":"2025-09-04T14:38:41.813Z","updated_at":"2025-09-04T14:38:41.813Z","parameter":"conductivity","unit":"us_cm","value":"182","equipment":"unspecified_conductivity","equipment_limit":null},{"id":"02ca0dac-8e7f-4ea8-ab94-3c02bf76d530","created_at":"2025-09-04T14:38:41.843Z","updated_at":"2025-09-04T14:38:41.843Z","parameter":"air_temperature","unit":"deg_c","value":"16.6","equipment":"unspecified_air_temperature","equipment_limit":null},{"id":"ed987c10-f17b-4b7b-aea6-a2e3bebd5f07","created_at":"2025-09-04T14:38:41.853Z","updated_at":"2025-09-04T14:38:41.853Z","parameter":"water_temperature","unit":"deg_c","value":"11.59","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"7456b6ff-f7e0-46ef-a8dc-3a1b8d22b9ab","created_at":"2025-09-04T14:38:41.829Z","updated_at":"2025-11-26T13:32:09.730Z","parameter":"oxygen","unit":"percent","value":"109.5","equipment":"unspecified_oxygen_percent","equipment_limit":null}]},{"id":"4177e7ae-c8f2-40b6-98ba-7e3455524261","created_at":"2025-09-04T14:34:51.745Z","updated_at":"2026-01-20T20:58:19.190Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"d505faf7-60c7-4539-b6da-a4818d092d7d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-10-25T16:00:00.000Z","observed_at_local":"2016-10-25T12:00:00-04:00","notes":"Sample: B16-33861-11","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/165242","readings":[{"id":"f052d3be-27d2-4a28-a35a-c5d41eeb68a3","created_at":"2025-09-04T14:34:51.826Z","updated_at":"2025-09-04T14:34:51.826Z","parameter":"total_phosphorus","unit":"ppb","value":"7","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"20cbcb71-fe4d-4163-8376-0c7903f0d956","created_at":"2025-09-04T14:34:51.873Z","updated_at":"2025-09-04T14:34:51.873Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"360","equipment":"lab_unspecified","equipment_limit":null}]},{"id":"7329c65e-fc75-4afd-b15c-63c9a881e2f3","created_at":"2025-09-04T14:34:51.604Z","updated_at":"2026-01-20T20:58:19.021Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"d505faf7-60c7-4539-b6da-a4818d092d7d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-08-04T16:00:00.000Z","observed_at_local":"2016-08-04T12:00:00-04:00","notes":"Calcium: 26.7\r\nSample: B16-23115-3","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/165241","readings":[{"id":"b05774c1-8569-4864-93bb-402657336450","created_at":"2025-09-04T14:34:51.697Z","updated_at":"2025-09-04T14:34:51.697Z","parameter":"total_phosphorus","unit":"ppb","value":"6","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"6683af7a-ec93-44c2-9ee3-7422ed74e625","created_at":"2025-09-04T14:34:51.709Z","updated_at":"2025-09-04T14:34:51.709Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"340","equipment":"lab_unspecified","equipment_limit":null}]},{"id":"8775ae98-f811-4fc1-b936-2a2a8b5bae82","created_at":"2025-09-04T14:34:51.414Z","updated_at":"2026-01-20T20:58:18.864Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"d505faf7-60c7-4539-b6da-a4818d092d7d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-07-08T16:00:00.000Z","observed_at_local":"2016-07-08T12:00:00-04:00","notes":"Sample: B16-19752-1","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["oxygen","total_phosphorus","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/165240","readings":[{"id":"ef383013-21a6-40f9-a110-4026e2e4e63c","created_at":"2025-09-04T14:34:51.517Z","updated_at":"2025-09-04T14:34:51.517Z","parameter":"oxygen","unit":"mg_l","value":"6.3","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"bc5c3dc5-d393-402a-b417-990c9b481dfa","created_at":"2025-09-04T14:34:51.539Z","updated_at":"2025-09-04T14:34:51.539Z","parameter":"total_phosphorus","unit":"ppb","value":"8","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"acf8f7f0-0237-4b73-b5ed-a32301e7525c","created_at":"2025-09-04T14:34:51.570Z","updated_at":"2025-09-04T14:34:51.570Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"380","equipment":"lab_unspecified","equipment_limit":null}]},{"id":"36b3ae23-42f2-46e7-822b-bdbce1a199d8","created_at":"2025-09-04T14:34:51.895Z","updated_at":"2026-01-20T20:58:19.350Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"d505faf7-60c7-4539-b6da-a4818d092d7d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-05-25T16:00:00.000Z","observed_at_local":"2016-05-25T12:00:00-04:00","notes":"Sample: B16-14533-46","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/165243","readings":[{"id":"32345212-8d03-4fa2-9781-e22253015dc4","created_at":"2025-09-04T14:34:51.954Z","updated_at":"2025-09-04T14:34:51.954Z","parameter":"total_phosphorus","unit":"ppb","value":"5","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"746238fe-e6fb-4e20-b7e0-c18c97660601","created_at":"2025-09-04T14:34:51.968Z","updated_at":"2025-09-04T14:34:51.968Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"320","equipment":"lab_unspecified","equipment_limit":null}]},{"id":"16c47374-4ef6-47de-8829-85474190605c","created_at":"2025-09-04T14:30:56.151Z","updated_at":"2026-01-20T20:53:14.276Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"d505faf7-60c7-4539-b6da-a4818d092d7d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2015-10-09T04:00:00.000Z","observed_at_local":"2015-10-09T00:00:00-04:00","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":["ph","oxygen","secchi_depth","air_temperature","total_phosphorus","water_temperature","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/163772","readings":[{"id":"86000e00-1a2a-4212-a454-d224f03be8c2","created_at":"2025-09-04T14:30:56.204Z","updated_at":"2025-09-04T14:30:56.204Z","parameter":"ph","unit":"std_units","value":"8","equipment":"unspecified_ph","equipment_limit":null},{"id":"4c2e8d64-cddd-410e-8eb2-2f47f4bb98b7","created_at":"2025-09-04T14:30:56.212Z","updated_at":"2025-09-04T14:30:56.212Z","parameter":"oxygen","unit":"mg_l","value":"9","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"af537e9e-6824-4014-baa6-174635a63d7b","created_at":"2025-09-04T14:30:56.224Z","updated_at":"2025-09-04T14:30:56.224Z","parameter":"secchi_depth","unit":"m","value":"5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"28670191-165c-42b8-87ad-0d1415884c65","created_at":"2025-09-04T14:30:56.231Z","updated_at":"2025-09-04T14:30:56.231Z","parameter":"air_temperature","unit":"deg_c","value":"10","equipment":"unspecified_air_temperature","equipment_limit":null},{"id":"c0152a5c-1920-4fe8-bfb5-ba5392445d2a","created_at":"2025-09-04T14:30:56.238Z","updated_at":"2025-09-04T14:30:56.238Z","parameter":"total_phosphorus","unit":"ppb","value":"182","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"10ef3a29-f224-42db-a15d-49ae212b3e4c","created_at":"2025-09-04T14:30:56.258Z","updated_at":"2025-09-04T14:30:56.258Z","parameter":"water_temperature","unit":"deg_c","value":"14","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"8aeb8afb-ce68-48c9-8444-aef2aa18e5ce","created_at":"2025-09-04T14:30:56.268Z","updated_at":"2025-09-04T14:30:56.268Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"1580","equipment":"lab_unspecified","equipment_limit":null}]},{"id":"6c11aaa2-e07a-4a36-a988-34b866a83ac9","created_at":"2025-09-04T14:31:03.481Z","updated_at":"2026-01-20T20:53:27.321Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"d505faf7-60c7-4539-b6da-a4818d092d7d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2015-08-14T04:00:00.000Z","observed_at_local":"2015-08-14T00:00:00-04:00","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":["ph","oxygen","secchi_depth","air_temperature","total_phosphorus","water_temperature","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/163830","readings":[{"id":"86b7e9ad-8c88-4d8a-ac6e-d80b5fe5d96b","created_at":"2025-09-04T14:31:03.539Z","updated_at":"2025-09-04T14:31:03.539Z","parameter":"ph","unit":"std_units","value":"8","equipment":"unspecified_ph","equipment_limit":null},{"id":"de19b1b8-66b9-4201-a0e5-de60b3f15fab","created_at":"2025-09-04T14:31:03.548Z","updated_at":"2025-09-04T14:31:03.548Z","parameter":"oxygen","unit":"mg_l","value":"9","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"eb850c81-d3ed-49ad-8238-1b6317cc259a","created_at":"2025-09-04T14:31:03.564Z","updated_at":"2025-09-04T14:31:03.564Z","parameter":"secchi_depth","unit":"m","value":"5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"ad4dbc42-1a32-480c-9eee-bf0714e3d8b8","created_at":"2025-09-04T14:31:03.578Z","updated_at":"2025-09-04T14:31:03.578Z","parameter":"air_temperature","unit":"deg_c","value":"23","equipment":"unspecified_air_temperature","equipment_limit":null},{"id":"3fc520f9-f8ec-4104-ac4d-0aa18f231118","created_at":"2025-09-04T14:31:03.590Z","updated_at":"2025-09-04T14:31:03.590Z","parameter":"total_phosphorus","unit":"ppb","value":"17","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"a6184a9f-c9ec-4af5-a9ea-aadbff9a0d2a","created_at":"2025-09-04T14:31:03.606Z","updated_at":"2025-09-04T14:31:03.606Z","parameter":"water_temperature","unit":"deg_c","value":"23","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"26cd9786-b9db-4fc3-94b7-b7549ee135b2","created_at":"2025-09-04T14:31:03.614Z","updated_at":"2025-09-04T14:31:03.614Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"310","equipment":"lab_unspecified","equipment_limit":null}]},{"id":"f380f84d-f87c-4886-8c4e-5b82c579183c","created_at":"2025-09-04T14:31:10.670Z","updated_at":"2026-01-20T20:53:37.213Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"d505faf7-60c7-4539-b6da-a4818d092d7d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2015-06-23T04:00:00.000Z","observed_at_local":"2015-06-23T00:00:00-04:00","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":["ph","oxygen","secchi_depth","air_temperature","total_phosphorus","water_temperature","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/163875","readings":[{"id":"f1120ddb-c285-4cb7-858a-cf853d647457","created_at":"2025-09-04T14:31:10.710Z","updated_at":"2025-09-04T14:31:10.710Z","parameter":"ph","unit":"std_units","value":"8","equipment":"unspecified_ph","equipment_limit":null},{"id":"938d0aa0-077d-4737-975f-04d693d48a7b","created_at":"2025-09-04T14:31:10.721Z","updated_at":"2025-09-04T14:31:10.721Z","parameter":"oxygen","unit":"mg_l","value":"9","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"b75b22f9-a2ee-4bc5-800e-5ef674f957f8","created_at":"2025-09-04T14:31:10.729Z","updated_at":"2025-09-04T14:31:10.729Z","parameter":"secchi_depth","unit":"m","value":"4","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"98664b4c-d455-4d1f-bbaf-ff043214666b","created_at":"2025-09-04T14:31:10.743Z","updated_at":"2025-09-04T14:31:10.743Z","parameter":"air_temperature","unit":"deg_c","value":"24","equipment":"unspecified_air_temperature","equipment_limit":null},{"id":"3b25d94f-d2ab-4bb2-a2a4-4c045c532741","created_at":"2025-09-04T14:31:10.799Z","updated_at":"2025-09-04T14:31:10.799Z","parameter":"total_phosphorus","unit":"ppb","value":"8","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"f9a0d42c-116a-47cf-84b9-fe35bff6b41c","created_at":"2025-09-04T14:31:10.813Z","updated_at":"2025-09-04T14:31:10.813Z","parameter":"water_temperature","unit":"deg_c","value":"24","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"350cf362-91eb-4dc5-b812-55f5a906dff5","created_at":"2025-09-04T14:31:10.823Z","updated_at":"2025-09-04T14:31:10.823Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"360","equipment":"lab_unspecified","equipment_limit":null}]},{"id":"8a95fbfd-a2eb-4726-93d8-57c25367eaf6","created_at":"2025-09-04T14:31:10.439Z","updated_at":"2026-01-20T20:53:36.897Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"d505faf7-60c7-4539-b6da-a4818d092d7d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2015-05-15T04:00:00.000Z","observed_at_local":"2015-05-15T00:00:00-04:00","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":["oxygen","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/163874","readings":[{"id":"1ab425d6-026c-4dc6-afae-c2ccece1083b","created_at":"2025-09-04T14:31:10.509Z","updated_at":"2025-09-04T14:31:10.509Z","parameter":"oxygen","unit":"mg_l","value":"10","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"624adb91-0a4f-4865-ba91-6fb88a9b60e1","created_at":"2025-09-04T14:31:10.545Z","updated_at":"2025-09-04T14:31:10.545Z","parameter":"water_temperature","unit":"deg_c","value":"19","equipment":"unspecified_water_temperature","equipment_limit":null}]},{"id":"54f50bc4-498c-45cd-b34d-56a2acbe233c","created_at":"2025-09-04T14:31:10.346Z","updated_at":"2026-01-20T20:53:36.706Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"d505faf7-60c7-4539-b6da-a4818d092d7d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2015-05-12T04:00:00.000Z","observed_at_local":"2015-05-12T00:00:00-04:00","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"],"photos":[],"permalink":"https://data.waterrangers.com/observations/163873","readings":[{"id":"e0f7c853-25f9-4fa8-b2e0-8fda8c7e7f6e","created_at":"2025-09-04T14:31:10.393Z","updated_at":"2025-09-04T14:31:10.393Z","parameter":"total_phosphorus","unit":"ppb","value":"7","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"ff7f0a93-d11c-4439-bf0e-dada4e619430","created_at":"2025-09-04T14:31:10.409Z","updated_at":"2025-09-04T14:31:10.409Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"400","equipment":"lab_unspecified","equipment_limit":null}]},{"id":"3be9ded8-4d9e-4d2f-acb4-877a94ebd307","created_at":"2025-09-04T14:31:10.159Z","updated_at":"2026-01-20T20:53:36.518Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"d505faf7-60c7-4539-b6da-a4818d092d7d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2014-10-16T04:00:00.000Z","observed_at_local":"2014-10-16T00:00:00-04:00","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":["ph","oxygen","secchi_depth","air_temperature","total_phosphorus","water_temperature","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/163872","readings":[{"id":"8e105127-095d-4a96-a645-6bb5a2bcd812","created_at":"2025-09-04T14:31:10.193Z","updated_at":"2025-09-04T14:31:10.193Z","parameter":"ph","unit":"std_units","value":"8","equipment":"unspecified_ph","equipment_limit":null},{"id":"8e734590-a826-4d57-a60f-a47883037610","created_at":"2025-09-04T14:31:10.200Z","updated_at":"2025-09-04T14:31:10.200Z","parameter":"oxygen","unit":"mg_l","value":"10","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"9aa69ad4-56ab-48be-a10d-78af10e74991","created_at":"2025-09-04T14:31:10.220Z","updated_at":"2025-09-04T14:31:10.220Z","parameter":"secchi_depth","unit":"m","value":"4","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"87289a85-6df2-48fb-b532-43dafb904c8e","created_at":"2025-09-04T14:31:10.235Z","updated_at":"2025-09-04T14:31:10.235Z","parameter":"air_temperature","unit":"deg_c","value":"18","equipment":"unspecified_air_temperature","equipment_limit":null},{"id":"a60d455d-7f25-40c0-a67e-c521584ba640","created_at":"2025-09-04T14:31:10.245Z","updated_at":"2025-09-04T14:31:10.245Z","parameter":"total_phosphorus","unit":"ppb","value":"4","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"89fc5c47-ffd9-4ce2-99dc-546e31b19d91","created_at":"2025-09-04T14:31:10.262Z","updated_at":"2025-09-04T14:31:10.262Z","parameter":"water_temperature","unit":"deg_c","value":"15","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"7058c5dd-a676-47d6-ac51-b3a58b5bd19f","created_at":"2025-09-04T14:31:10.281Z","updated_at":"2025-09-04T14:31:10.281Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"360","equipment":"lab_unspecified","equipment_limit":null}]},{"id":"173dae4f-68f6-4f42-adb4-fa636711caaa","created_at":"2025-09-04T14:31:09.976Z","updated_at":"2026-01-20T20:53:36.264Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"d505faf7-60c7-4539-b6da-a4818d092d7d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2014-08-18T04:00:00.000Z","observed_at_local":"2014-08-18T00:00:00-04:00","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":["ph","oxygen","secchi_depth","air_temperature","total_phosphorus","water_temperature","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/163871","readings":[{"id":"86a3fc02-2a70-498c-b82b-e1dd34748531","created_at":"2025-09-04T14:31:10.019Z","updated_at":"2025-09-04T14:31:10.019Z","parameter":"ph","unit":"std_units","value":"8","equipment":"unspecified_ph","equipment_limit":null},{"id":"02241c7c-5790-478e-8cb9-fa35d0d3bed8","created_at":"2025-09-04T14:31:10.026Z","updated_at":"2025-09-04T14:31:10.026Z","parameter":"oxygen","unit":"mg_l","value":"10","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"45a71b20-b4de-4bef-82c9-752a72a47c5c","created_at":"2025-09-04T14:31:10.033Z","updated_at":"2025-09-04T14:31:10.033Z","parameter":"secchi_depth","unit":"m","value":"4","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"f91626ac-2c94-4283-afdf-25c2deb2625e","created_at":"2025-09-04T14:31:10.088Z","updated_at":"2025-09-04T14:31:10.088Z","parameter":"air_temperature","unit":"deg_c","value":"23","equipment":"unspecified_air_temperature","equipment_limit":null},{"id":"bdd1d880-bc3a-4947-95e0-1b2a1b9cafe8","created_at":"2025-09-04T14:31:10.098Z","updated_at":"2025-09-04T14:31:10.098Z","parameter":"total_phosphorus","unit":"ppb","value":"16","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"3e68f796-a090-4ff8-aa90-eff3467b20fe","created_at":"2025-09-04T14:31:10.122Z","updated_at":"2025-09-04T14:31:10.122Z","parameter":"water_temperature","unit":"deg_c","value":"20","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"db158ed3-77c8-4222-8841-34107ae49e04","created_at":"2025-09-04T14:31:10.137Z","updated_at":"2025-09-04T14:31:10.137Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"690","equipment":"lab_unspecified","equipment_limit":null}]},{"id":"7a993736-9b2c-4aad-8647-665cced7449b","created_at":"2025-09-04T14:31:09.840Z","updated_at":"2026-01-20T20:53:36.018Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"d505faf7-60c7-4539-b6da-a4818d092d7d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2014-07-04T04:00:00.000Z","observed_at_local":"2014-07-04T00:00:00-04:00","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":["ph","oxygen","secchi_depth","air_temperature","total_phosphorus","water_temperature","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/163870","readings":[{"id":"f3c26847-1571-4f93-a54f-7845dfab45f2","created_at":"2025-09-04T14:31:09.880Z","updated_at":"2025-09-04T14:31:09.880Z","parameter":"ph","unit":"std_units","value":"8","equipment":"unspecified_ph","equipment_limit":null},{"id":"9750e23f-4516-4a37-873d-0256e06141b6","created_at":"2025-09-04T14:31:09.888Z","updated_at":"2025-09-04T14:31:09.888Z","parameter":"oxygen","unit":"mg_l","value":"8","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"5e35c27b-aec0-4576-bc70-e2261c347e35","created_at":"2025-09-04T14:31:09.897Z","updated_at":"2025-09-04T14:31:09.897Z","parameter":"secchi_depth","unit":"m","value":"5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"8643f1d2-05f9-456c-8583-7acb9fb3f9e2","created_at":"2025-09-04T14:31:09.914Z","updated_at":"2025-09-04T14:31:09.914Z","parameter":"air_temperature","unit":"deg_c","value":"26","equipment":"unspecified_air_temperature","equipment_limit":null},{"id":"9840ee15-9f1c-437a-b115-aa7a6e62e92e","created_at":"2025-09-04T14:31:09.924Z","updated_at":"2025-09-04T14:31:09.924Z","parameter":"total_phosphorus","unit":"ppb","value":"21","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"bdedee76-614b-44fc-9875-21aafe35535f","created_at":"2025-09-04T14:31:09.936Z","updated_at":"2025-09-04T14:31:09.936Z","parameter":"water_temperature","unit":"deg_c","value":"25","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"70779a32-8ae3-430f-8128-990ba562d3ec","created_at":"2025-09-04T14:31:09.950Z","updated_at":"2025-09-04T14:31:09.950Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"540","equipment":"lab_unspecified","equipment_limit":null}]},{"id":"21ffddf2-d404-4747-bd2a-75b840b38395","created_at":"2025-09-04T14:31:09.716Z","updated_at":"2026-01-20T20:53:35.806Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"d505faf7-60c7-4539-b6da-a4818d092d7d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2014-05-08T04:00:00.000Z","observed_at_local":"2014-05-08T00:00:00-04:00","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"],"photos":[],"permalink":"https://data.waterrangers.com/observations/163869","readings":[{"id":"ad9ee262-6b7b-4770-a371-4f3626e6d193","created_at":"2025-09-04T14:31:09.772Z","updated_at":"2025-09-04T14:31:09.772Z","parameter":"total_phosphorus","unit":"ppb","value":"16","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"154ad22b-b3e1-43ea-9708-6340e52a3022","created_at":"2025-09-04T14:31:09.782Z","updated_at":"2025-09-04T14:31:09.782Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"480","equipment":"lab_unspecified","equipment_limit":null}]},{"id":"69af3338-e419-431b-9935-c2b16aac853f","created_at":"2025-09-04T14:31:09.644Z","updated_at":"2026-01-20T20:53:35.614Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"d505faf7-60c7-4539-b6da-a4818d092d7d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2013-10-03T04:00:00.000Z","observed_at_local":"2013-10-03T00:00:00-04:00","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","water_temperature","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/163868","readings":[{"id":"fe224d10-fdc1-4720-b2a5-5cb18c6d1bd9","created_at":"2025-09-04T14:31:09.677Z","updated_at":"2025-09-04T14:31:09.677Z","parameter":"total_phosphorus","unit":"ppb","value":"7","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"fb8beb53-76e3-4642-af72-032f5f3133ca","created_at":"2025-09-04T14:31:09.684Z","updated_at":"2025-09-04T14:31:09.684Z","parameter":"water_temperature","unit":"deg_c","value":"18","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"f8a42cb0-babd-4d8b-9c66-882c5bb32941","created_at":"2025-09-04T14:31:09.689Z","updated_at":"2025-09-04T14:31:09.689Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"460","equipment":"lab_unspecified","equipment_limit":null}]}]