{"schema":"swimsignal.waterhead-wet","version":"1.1.0","generated_at":"2026-10-31T16:05:34+00:00","site":{"name":"Waterhead, Windermere","confirmed":false,"note":"Named in Tim Boden's email of 25 Oct 2026; the sheet itself has no site column."},"units":"per 100 ml, as the sheet records them (its headings say cfu/100ml)","claim":{"public_wording":"Weekly water samples taken at Waterhead, Windermere, by Ambleside Action for a Future's Waterhead E. coli Testing project, and the E. coli and intestinal enterococci counted in each. A sample is the water at that place at the time it was taken: not today's water, and not the rest of the lake.","not_claimed":["the water now","the water elsewhere in Windermere","a forecast","a bathing water rating","that water is safe to swim","a check of SwimSignal's forecast"]},"seasons":[{"season":2025,"first":"2025-04-16","last":"2025-10-30","samples":29,"ecoli":{"median":24,"max":388},"ie":{"median":12,"max":154},"how":"Mostly on Thursday mornings, analysed by Simplex Health's laboratory (the WET technical report, 17 Nov 2025)."},{"season":2026,"first":"2026-03-23","last":"2026-10-12","samples":30,"ecoli":{"median":31.5,"max":649},"ie":{"median":10.0,"max":386},"how":"Mondays and Tuesdays. The laboratory, method and time of day are not yet confirmed."}],"open_questions":["The exact sampling point at Waterhead: the sheet has no site column, and the email names Waterhead.","Whether 2026 used the same laboratory and method as 2025.","What a recorded 0 means: most likely below the method's detection limit, not a true zero."],"spots":["osm-windermere-waterhead"],"attribution":"Bacteria counts: Ambleside Action for a Future, Waterhead E. coli Testing (WET) project.","permission":"Public domain (Tim Boden, 25 Oct 2026): may be used and forwarded with credit to Ambleside Action for a Future.","report":{"title":"Waterhead E.coli Testing (WET) Project Technical Report","author":"Tim Boden","date":"2025-11-17"},"sources":{"sheet":"25-26 Bacteria Levels.xlsx","sheet_sha256":"c9f229c832eea9782b6d8874e79c8feaa430f8443549669b52778b647516d3b5","received":"2026-10-25","code_sha256":{"scripts/export_waterhead_wet.py":"775a216b1fef4e8aaf0f2d63f19eb0df44ebed043e9161eb0d822ffbe7e3608a"}},"samples":[{"date":"2025-04-16","ecoli":1,"ie":3},{"date":"2025-04-24","ecoli":30,"ie":7},{"date":"2025-05-01","ecoli":8,"ie":30},{"date":"2025-05-08","ecoli":0,"ie":1},{"date":"2025-05-15","ecoli":0,"ie":4},{"date":"2025-05-22","ecoli":4,"ie":8},{"date":"2025-05-29","ecoli":108,"ie":69},{"date":"2025-06-05","ecoli":30,"ie":9},{"date":"2025-06-12","ecoli":84,"ie":1},{"date":"2025-06-19","ecoli":22,"ie":5},{"date":"2025-06-26","ecoli":132,"ie":75},{"date":"2025-07-03","ecoli":32,"ie":6},{"date":"2025-07-10","ecoli":11,"ie":6},{"date":"2025-07-17","ecoli":388,"ie":38},{"date":"2025-07-24","ecoli":16,"ie":2},{"date":"2025-07-31","ecoli":22,"ie":12},{"date":"2025-08-07","ecoli":388,"ie":103},{"date":"2025-08-14","ecoli":62,"ie":55},{"date":"2025-08-21","ecoli":13,"ie":18},{"date":"2025-08-28","ecoli":143,"ie":154},{"date":"2025-09-04","ecoli":58,"ie":52},{"date":"2025-09-11","ecoli":24,"ie":18},{"date":"2025-09-18","ecoli":77,"ie":28},{"date":"2025-09-25","ecoli":31,"ie":9},{"date":"2025-10-02","ecoli":6,"ie":4},{"date":"2025-10-09","ecoli":149,"ie":25},{"date":"2025-10-16","ecoli":18,"ie":4},{"date":"2025-10-23","ecoli":19,"ie":133},{"date":"2025-10-30","ecoli":10,"ie":64},{"date":"2026-03-23","ecoli":8,"ie":2},{"date":"2026-03-30","ecoli":99,"ie":57},{"date":"2026-04-07","ecoli":34,"ie":13},{"date":"2026-04-13","ecoli":489,"ie":50},{"date":"2026-04-20","ecoli":27,"ie":3},{"date":"2026-04-27","ecoli":262,"ie":65},{"date":"2026-05-05","ecoli":54,"ie":10},{"date":"2026-05-11","ecoli":5,"ie":3},{"date":"2026-05-18","ecoli":18,"ie":0},{"date":"2026-05-26","ecoli":13,"ie":1},{"date":"2026-06-01","ecoli":649,"ie":267},{"date":"2026-06-08","ecoli":89,"ie":10},{"date":"2026-06-15","ecoli":29,"ie":7},{"date":"2026-06-22","ecoli":35,"ie":3},{"date":"2026-06-29","ecoli":15,"ie":1},{"date":"2026-07-06","ecoli":26,"ie":11},{"date":"2026-07-13","ecoli":27,"ie":1},{"date":"2026-07-20","ecoli":15,"ie":2},{"date":"2026-07-27","ecoli":173,"ie":25},{"date":"2026-08-04","ecoli":411,"ie":386},{"date":"2026-08-10","ecoli":11,"ie":4},{"date":"2026-08-17","ecoli":3,"ie":11},{"date":"2026-08-24","ecoli":19,"ie":6},{"date":"2026-09-01","ecoli":111,"ie":58},{"date":"2026-09-08","ecoli":147,"ie":47},{"date":"2026-09-14","ecoli":125,"ie":60},{"date":"2026-09-21","ecoli":70,"ie":8},{"date":"2026-09-28","ecoli":18,"ie":10},{"date":"2026-10-05","ecoli":462,"ie":104},{"date":"2026-10-12","ecoli":16,"ie":8}]}