The Ching

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

Very little water coming down the Ching. Most water from the 2 outfalls

Water now coming down the Ching after recent rains

Little coming down the Ching. Most from outfalls

Minimal amount coming down the Chingford - most water from out falls

Hardly any water coming down the Ching. Most water from outfalls

Very little water coming down Ching. Most water from outfalls. Sample predominately 5a

Sediment discharge from large outlet 5a
Poor mixing of 3 in flows

Most water coming from outfalls.
Last significant rainfall 26 Feb (nw3weather.co.uk)

Direct sample from small outfall pipe - Ammonia >3.00 flashing Phosphate 1.48
Direct sample from large outfall pipe - Ammonia 1.89 Phosphate 2.32
Direct sample from central stream - Ammonia 0.25 Phosphate 0.18

Pollution from the outfall pipes is quickly diluted by cleaner water coming under the bridge from upstream of Whitehall Road