Enfield

Question 1

Where is Enfield located?

Answer 1

North London

Question 2

Why is the area flooded?

Answer 2

It is heavily urbanised which causes problems for drainage and water quality

Question 3

What is river restoration and conservation?

Answer 3

Aims to restore river systems to a more natural state

Question 4

How does river restoration and conservation help?

Answer 4

-reduces flood risk
-decreases water pollution
-creates new habitats
-increases biodiversity

Question 5

Why was the scheme needed?

Answer 5

-area heavily urbanised
-pollution, High surface runoff from roads has increased pollutants such as oil and heavy metals in water courses
-water pollution from domestic sources, up to 10% of houses in Enfield have waste water pipes that feed directly into rivers

Question 6

What are the aims of the project?

Answer 6

-reduce flood risk
-reduce surface runoff
-improve water quality
-provides habitats
-provides recreational areas

Question 7

Use of SUDs in Enfield

Answer 7

-Vegetated trenches
-rain planters
-wetlands

Question 8

How to vegetated trenches help to prevent flood risk?

Answer 8

They are placed around roads in order to absorb the surface runoff and allow it to infiltrate into the soil

Question 9

How do rain planters decrease flood risk?

Answer 9

They are placed in schools to collect rainwater and manage the flow of water into drains therefore lowering flood risk. Provide education to children

Question 10

How do wetlands help with river restoration and conservation

Answer 10

improve water quality as Reed beds decrease surface runoff and filter water

Question 11

Examples of stake holders

Answer 11

Defra
Thames water
Local residents
Local schools

Question 12

How did Defra and Thames water contribute towards the project?

Answer 12

Provided funding
2012 Defra granted £340,000 to construct more SUDs

Question 13

How do local residents and local school contribute towards the scheme?

Answer 13

Volunteer to be involved in water quality monitoring
Participate in litter pick ups
Thames 21 offer education sessions for local schools

Question 14

Positives of the project

Answer 14

-Flood risk reduced- High rainfall in December 2013 and January 2014 did not cause significant flooding
-reduced ammonia levels in salmon brooks by 67%
-reduced nitrogen levels by 43%
-population of eels and species of insects such as dragonflies increased.

Question 15

Negatives

Answer 15

Pollution and litter are still a major issue