{"id":"5e9f0496-3625-4204-9f28-e67fe1baf44e","created_at":"2026-01-29T22:34:55.152Z","updated_at":"2026-01-29T22:34:55.351Z","owner_id":"4a1df0d2-5cd7-4f6d-8440-54472ce54447","location_id":"c539e0a1-b74a-4b5f-9345-f4de221baed0","dataset_id":"cd85af63-46e3-4a66-a631-61bae4364d23","form_id":"593a3338-0bc8-4b1e-85de-86e1f09fdefb","observed_at":"2025-05-02T12:16:00.000Z","observed_at_local":"2025-05-02T13:16:00+01:00","notes":"An outfall causing significant pollution into the old meander of the Roding which used to form part of Whisker’s Island at Wanstead Park. The water is eventually discharged to the Roding. ","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","phosphates"],"photos":[],"permalink":"https://data.waterrangers.com/observations/207146","readings":[{"id":"4df38cb6-a868-47a0-8a4e-17550ee90ed6","created_at":"2026-01-29T22:34:55.157Z","updated_at":"2026-01-29T22:34:55.157Z","parameter":"current_precipitation","unit":"std_units","value":"none","equipment":"current_precipitation","equipment_limit":null},{"id":"170615bb-a1e2-4994-af7f-898ff4c2c8aa","created_at":"2026-01-29T22:34:55.165Z","updated_at":"2026-01-29T22:34:55.165Z","parameter":"ammonia","unit":"mg_l","value":"5.12","equipment":"hanna_checker_ammonia_high_range","equipment_limit":null},{"id":"8bd35ae1-4914-4476-8f8a-ebfe8151f090","created_at":"2026-01-29T22:34:55.171Z","updated_at":"2026-01-29T22:34:55.171Z","parameter":"phosphates","unit":"mg_l","value":"2.5","equipment":"hanna_checker_phosphates_low_range","equipment_limit":">="}]}