The jail was designed to hold 318 inmates but the Howard League for Penal Reform says at the end of January, there were 530.
The charity also says the overcrowding leads to more violence and self-harm among prisoners, and hampers their rehabilitation.
Backlash over Brixham theatre sign plan
'People won’t go to see shows if they don’t know where the theatre is'
Councils shake-up 'could hit vital services'
Opposition councillors voice their fears
29 Devon primaries piloting breakfast clubs
Has your child's made the list?
Double attempted murder in Newton Abbot
Man and woman seriously injured
Political friction as Devon’s budget approved
Council tax will rise
Call for West Devon to be split to get best for residents
Residents in the north look to Exeter; and to Plymouth in the south
