River pollution

Data published in September by the Environment Agency revealed that all English rivers have failed to meet the new chemical pollution standards set in 2017. The levels of sewerage discharge, and agricultural and industrial chemicals entering our water system is still too high. Lambrok Stream is classed as a main river by the EA and must be included in these findings.

In addition, only 14% of rivers  met the new standards set for ecological status. The EA classifies a waterbody’s ecological status in five stages (bad,  poor, moderate, good, and high) and publishes a category called RNAGS (Reasons for Not Achieving Good Status).

The RNAGS in the Bristol Avon catchment area, which includes our Lambrok, show that the most significant polluter is agriculture and rural land management followed by the water industry, in particular that part of the water industry that deals with waste water. The third and fourth most significant RNAGS are called urban and transport and domestic general public.

Two things are immediately obvious. Firstly, in order to protect our Lambrok, we need to lobby the agricultural industry, a powerful group in Wiltshire; and secondly, we must hold the developers that have applied to build houses at H2.4, H2.5 and H2.6 to the highest possible standards of mitigation.

The domestic run-off from these sites into the Lambrok will include the salt used on the steep access roads; insecticides, pesticides and fertilizers from gardens; engine oil and anti-freeze from vehicles, and detergents used to wash cars. The developers of the steep sites at H2.4 and H2.5 have proposed attenuation ponds for the collection and filtration of run-off; we feel that this will not be sufficient to protect the stream and that Wiltshire’s planning department should not accept these proposals until mitigation is improved.

If the Bristol Avon catchment area is to improve the water quality and ecological status of its tributary rivers and streams, we have to act at a local level.

Header and footer pictures by DKG

4 thoughts on “

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  1. The Lambrok running through Southwick Court was dark brown today after the heavy rains – we really should do water testing along our shared stream.

    1. Is there ploughed land upstream, Carey? The Lambrok doesn’t usually carry that much sediment even after heavy rain. Can I post your picture to the website and ask if anybody knows where all that sediment came from? If that’s okay, could you email me the picture at friendsofscp@outlook.com

  2. Land upstream seems to be green fields not ploughed. Some parts of stream are very narrow and overgrown, not well managed by farmer. Not sure what happens with water pollution from the villages … sediment collects in the lake so doesn’t always flow down to the Country Park. I doubt it’s all leaf matter.

  3. I check the Lambrok as it runs behind Blind Lane almost every day and It has been quite clear recently as usual. I can’t though vouch for the water quality here as it runs through large arable fields in Poles Hole Farm where the farmer grows a variety of crops in rotation each year. These may be the only arable fields on the Lambrok’s route between here and it’s beginnings beyond the most southerly point of the parish.

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