Dataset

Lea Guardians

Dataset by Thames21

Dataset summary

Observations

  • 30 June 2025

    D/S Whitehall Rd by Martin Curry

    Silt on river bed from burst water main

  • 30 June 2025

    Whitehall Outfalls by Martin Curry

    Friday 27/6 Burst water main on Whitehall Rd 50m above Ching. Large volume of silted water ran into river. Sat 28/6 Burst water main on Rangers Rd. Water ran through forest into Ching

  • 29 June 2025

    Grovelands Park Lake Entry by Peter Leedham

    Samples became cloudy after addition of reagents - suspect reading

  • 29 June 2025

    Grovelands Park Lake Downstream of reedbeds by Peter Leedham

  • 28 June 2025

    Footbridge near Rangers Road by Mo Tausif

    Burst water main upstream on Rangers road, water entering the Ching upstream of monitoring point.

  • 27 June 2025

    Whitehall Outfall 5b by Anne Rowland

    I was able to collect a clear sample from this outfall even though a burst water main had occurred earlier in the day further up Whitehall Road towards Woodford. This resulted in the Ching being a lovely shade of sand. The phosphates reading was flashing.

  • 27 June 2025

    Whitehall Outfall 5a by Anne Rowland

    I was able to collect a clear sample from this outfall even though a burst water main had occurred earlier in the day further up Whitehall Road towards Woodford. This resulted in the Ching being a lovely shade of sand. The phosphates reading was flashing.

  • 27 June 2025

    Hatch Roundabout - Downstream by Derek Seume

    Significantly muddier than usual; 0.00 ammonia reading: pretty sure I conducted it correctly but could possibly be an error/anomaly?

  • 27 June 2025

    Hatch Roundabout - Upstream by Derek Seume

    Very significantly muddier than usual

  • 27 June 2025

    The Charter Road (Gordon Avenue) by Janet Laban

    Burst watermain at Whitehall Road has washed silty water down the river increasing flow rates and turning the water brown and opaque. Phosphate level 2.5 flashing indicating that the phosphate level is above the range of the Hanna checker

  • 27 June 2025

    Highams Park Lake by Janet Laban

    Burst watermain at Whitehall Road has washed silty water down the river increasing flow rates and turning the water brown and opaque

  • 26 June 2025

    Sainsbury's by Natasha Furlong

    Phosphates 2.5 flashing

  • 25 June 2025

    Tottenham Cemetery by Caroline Jepson

    The water was lower than normal ranging from about 6 - 12 cms.