And hydrogen can be extracted from sewage sludge.

It plans to produce biomethane from farm and food waste and sewage sludge for injection into the gas grid.

However, the report says that the level of heavy metals in sewage sludge has halved in the past 25 years because of stricter controls on industrial effluent.

Maleic anhydride and maleic acid are biodegraded under aerobic conditions in sewage sludge and in soil and water as well.

Soybeans grown in sewage sludge likely contain elevated concentrations of metals.

The fine was almost double the previous highest on a water company over a sewage spill.

Beaches and seawater near the site of a massive sewage spill have been given the all-clear.

However, water companies are still refusing to tell swimmers about sewage spills affecting the vast majority of the 450 bathing beaches with overflows.

It maps tens of thousands of sewage spills from overflow and outfall pipes into the country's bathing waters during 2008 and 2009.

Last year, at least 45 beaches were polluted by four or more sewage spills.

The extra water you are using isn't going into the sewage system, so you are entitled to a reduction.

Work on a greatly enlarged sewage system began in 1964.

But we only have running water after midnight and no sewage system.

Officials said that the noise of the digging may have been hidden by work on the prison's sewage system.

There was no sewage system in that day.

Usually our government treats our toxic sewage waste with even more toxic chemicals, then declares it safe for drinking.

They discover it to be a sewage waste problem caused by careless developers.

In the industrialized world, cities in particular have had a difficult time dealing with sewage waste.

The water steadily rose, flowing through the 10 cm hole in the bulkhead and into the sewage waste disposal tank.

This included a sewage waste/treatment program that was described to be the first of its kind offered in the country.

Apparently, water shortages could mean us all drinking recycled sewage water in the future.

Treated sewage water will be used for irrigation.

Improvements will include: a crackdown on leaks and action to reduce water cuts measures to tackle sewage water flooding cleaner water at more than 50 beaches.

Sewage water polluted beaches and rivers.

This would have included the use of treated sewage water.

It claims that its scrutiny has forced the water industry to properly treat sewage disposal to the sea.

Underground tanks will capture rainwater and a reed bed system will treat sewage.

The project includes natural systems to treat sewage, allowing millions of gallons of water to be reused.

The bioreactors could also be used to treat sewage and thus arrest flow of organic matter into the lake.

The activated sludge method was used to treat sewage before it was released.

Sand spread on the road saved the couple traipsing through the untreated sewage.

There are more than 15,000 sewage and floodwater overflows which pour untreated sewage and stormwater into the river network and along the coastline.

Untreated sewage can also get in following storms.

Poor maintenance of sewers can also result in millions of gallons of untreated sewage being discharged into rivers and directly into the sea.

It has halved in size to five square miles and its waters are polluted by untreated sewage from the houseboats.