{"id":"596596d2-da3a-4388-9787-e225ee4fa879","created_at":"2026-01-26T11:32:04.105Z","updated_at":"2026-01-26T11:32:04.331Z","owner_id":"4a1df0d2-5cd7-4f6d-8440-54472ce54447","location_id":"4b980bed-1cd9-4a88-942b-25c825b8a5dc","dataset_id":"cd85af63-46e3-4a66-a631-61bae4364d23","form_id":"593a3338-0bc8-4b1e-85de-86e1f09fdefb","observed_at":"2025-07-18T15:00:00.000Z","observed_at_local":"2025-07-18T16:00:00+01:00","notes":"Also just highlighting a risk to be aware of (unless you fancy an unexpected swim); if you walk in channel on the concrete ledge that follows the left hand bank (outfall side) upstream from Roding Lane South Substation it v suddenly narrows about 10m up from outfall","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["current_precipitation","ammonia"],"photos":[],"permalink":"https://data.waterrangers.com/observations/206812","readings":[{"id":"2073e641-65dd-4aa0-970b-f82f502a30f4","created_at":"2026-01-26T11:32:04.113Z","updated_at":"2026-01-26T11:32:04.113Z","parameter":"current_precipitation","unit":"std_units","value":"none","equipment":"current_precipitation","equipment_limit":null},{"id":"5c7f85a2-44a2-4803-a8f4-bb9bb4408da1","created_at":"2026-01-26T11:32:04.130Z","updated_at":"2026-01-26T11:32:04.130Z","parameter":"ammonia","unit":"mg_l","value":"0.13","equipment":"hanna_checker_ammonia_medium_range","equipment_limit":null}]}