Untreated effluent from Thames Water treatment plants has been spilling into waterways for thousands of hours

Number of hours sewage had been discharging. Snapshot at midday Friday 20 January

677 hours River Coln at Fairford.

Discharge began on 23 December

Thames Water area

Cambridge

Milton Keynes

316

557

Luton

306

552

288

483

473

London

Swindon

Reading

759

Clay Hill Brook

760 hours

Foudry Brook

578

Silchester Brook

310

20 km

20 miles

Thames Water area

Northampton

Cambridge

677 hours

River Coln at Fairford.

Discharge began on

23 December

Milton Keynes

316

557

Luton

Gloucester

306

Chelmsford

552

244

Oxford

288

473

483

London

Swindon

Bristol

Reading

759

Clay Hill Brook

760 hours

Foudry Brook.

Raw sewage discharging

for more than a month

Guildford

578

Silchester Brook

310

Southampton

Brighton

20 km

20 miles