Post on 12-Apr-2017
transcript
Shining a Light on Urban Pollution
Gary Rushworth BSc, MSc, PhD, MCIEEMFreelance Environmental Scientist
An Affiliate of
Friends of Bradford’s Becks
Project Manager Reducing Urban Pollution project
Funded by the Catchment Partnership Action Fund
fobbpollution@gmail.com
Advisory Group
Community Engagement
The potential of Urban Becks is not always obvious even to environmental scientists, but we must have imagination and ambition.
Education, Awareness, and Monitoring
Educational Advisory Group
Development of a resource Children including school syllabuses Property owners Plumbers and builders General Public (Citizenship)
Advice from FoBB Trustees/members Yorkshire Water Field Studies Centre Bradford Grammar School Others
Urban pathways and receptors
RECEPTORS
Surface waters
Groundwaters
Bathing waters
Engineered Outfalls
Highway drains
Other storm drains
Diffuse inputs
Diffuse runoff
Groundwater
Direct input
Diffuse Urban Pollution
- Multiple and dispersed sources- Urban not agricultural- Unconsented route
How to test for misconnections?
http://www.connectright.org.uk/
Water colour and foaming**** Optical Brighteners *****
Food waste
Sewage fungus and litter
Misconnections WFD
Domestic misconnections to surface drains
ToiletBOD, Solids, Nutrients
AppliancesBOD, Nutrients
SinksBOD, Fats, Nutrients
Mis-use ofgullies
BOD, Prioritypollutants, Nutrients
Peaked in 1945-64, still a major issue
Most common in detached
and semi-detached houses
Silsden Beck
Morton Beck
Loadpit Beck
Gill Beck
River WorthHarden Beck
River Spen
Bradford Beck
River Wharfe
River Aire
River Aire Silsden
Shipley
Bradford
Bingley Keighley
Ilkley
Urban area
Bradford Beck catchment- Clayton Beck WB- Bradford Beck WB
City of Bradford Metropolitan District
Queensbury
Rivers and Becks of the Bradford District
Clayton Beck
Brick channel beside Canal Rd
Shipley
Ambler Mill
Downstream Forster Square
West Brook Downstream of West Brook
Canal Road
Bradford Beck WB
What can be done?
EA: Polluted outfall
reported
Water Co: Catchment
survey to find mis-connections
Household repairs
Household does not
repair
Local authority:
Writes letter
Household repairs
Household does not
repair
Local authority:
Repairs and charges
• In future?• Behaviour changes by householders and plumbers• Reduced loads of chemicals• Incompatible fittings between storm and foul systems• SuDS guidance - reduce the potential impact of surface water drainage discharges
• Now