Ecologists predict that if river and coastal pollution continues at its current rate, it will have a devastating effect on aquatic ecosystems and public health. This has forced the UK government to introduce strict environmental policies. These policies aim to reduce industrial waste discharge into natural waterways and encourage sustainable, nature-based water treatment systems.
Household water bills have risen by 65% since 2010, despite a fall in average household water usage of around 12% due to modern efficiency measures. To address this, the government has increased environmental levies on water companies to fund subsidies for greywater recycling systems and municipal infrastructure upgrades. The cost of environmental compliance added to consumer bills has nearly doubled over the last decade. Critics argue these costs should be funded via direct taxation on high earners or windfall taxes on water companies to protect low-income households. Currently, a price cap mechanism enforced by the regulator, Ofwat, protects 12 million domestic consumers from extreme bill increases.
Intensive industrial wastewater discharge has increased in major river basins. This involves releasing untreated waste, which can lead to high levels of chemical contamination in local groundwater, causing toxic algal blooms and public health risks. In 2023, the Environment Agency suspended several discharge permits in the River Severn basin due to severe environmental damage and public outcry over water safety.
New natural wetland filtration projects have been announced in the UK to be operational by 2026. These projects will naturally treat wastewater for over four million homes at a lower-than-expected cost, as the cost of wetland management has fallen by 40% in the last three years. The government states these wetlands represent a major breakthrough, processing wastewater cleanly without chemical subsidies. The most efficient wetland operator will process wastewater at just £15 per household-equivalent per year. By comparison, high-tech chemical treatment sites—which have received substantial government funding—cost £45 per household-equivalent per year.
Using the information provided, explain two benefits of government intervention in the water and wastewater market.
