Dataset

Maidenhead to Teddington Water Quality Group

Dataset by Thames21

Dataset summary

Observations

  • 28 January 2026

    Thames backwater by Paul Davis

    Ammonia unusually low. Tested twice because of zero reading. Phosphate level unusually high. Suspect recent heavy rain with resultant run off of water from land, may be responsible for these readings.

  • 5 March 2025

    Riverbank Apartments by Chris Gray

    First observation