Environment performance

The table below details our environment measures and targets to 2020. It reports our performance and demonstrates progress against our Business Principle commitment to protect and enhance the environment.

For further explanation on the measures and targets used and to understand the verification process for our data, please click on the specific measure. 

Business Principle Commitment Measure Targets to 2020  2015/2016 Performance
Manage water resources sustainably and promote water efficiency Per household consumption ≤284 303
Improve the North West's bathing waters through our work and that of others Contribution to bathing waters improved 6.56 0.47
Act to prevent pollution from our operations and inform our customers on the responsible disposal of waste to our sewers Wastewater serious pollution incidents (category 1 & 2)  0 4
Wastewater pollution incidents (category 3) ≤191 136
Protect and enhance the natural environment and the services it provides. Contribution to rivers improved, water and wastewater (in km) 159.5 water
355.2 wastewater
36.8 water
0.75 wastewater
Manage our use of natural resources, reduce waste and put it to valuable uses Waste volume / % to beneficial use 10% reduction in volume / 95% to beneficial use 14% increase in volume / 94.5% beneficial use
Consider the impacts of climate change on the services we deliver and adapt our business accordingly Security of Supply Index (SoSI)


Sewer flooding index ≤68.1 100.8
Wastewater network performance index ≤93.4 91
Resilience of impounding reservoirs ≥165.3 161.6
Reduce our greenhouse gas emissions and generate more renewable energy Carbon footprint 50% reduction on 2005/06 baseline 22% reduction on 2005/06 baseline


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