Continued Turbidity problems at Slough STW

From: David Harding <david.harding

Date: 15 January 2018 at 09:24:59 GMT

I’m sorry to have to inform you that we are experiencing a recurrence of the clarity problem that occurred on the 4th of January. As before, the effluent we are discharging is safe but looks cloudy and contains visible suspended solids.

The problem is caused by"filamentous" bacteria – microbes that form strands that, when they die, float on the surface rather than settling out as the normal population of microbes do. Filamentous bacteria thrive when the treatment process experiences conditions such as high flow, weak incoming sewage or low temperatures.

We are currently working to correct the situation and our process scientists are looking at measures we can implement to reduce the likelihood of further recurrence.

The Environment agency is aware. There is no risk to yourselves or the watercourse.

I will keep you updated on the event.

Best regards

David Harding
Customer and Stakeholder Manager
North Area
Wholesale Wastewater
Bourne End WTW, Wendover Road, Bourne End SL8 5NT
M: 07747644385


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