No English river was deemed in good overall health in 2019

Proportions of English rivers classified by ecological and chemical health, %

Bad: severe change from natural state

Poor

Moderate change

Good

Not assessed

0%

20

40

60

80

100

2%

57

28

2

2013

11

3%

77

2019*

19

Bad: severe change from natural state

Poor

Moderate change

Good

Not assessed

0%

20

40

60

80

100

2%

11

57

28

2

2013

3%

77

19

2019*

Guardian graphic. Source: Defra’s historic classification data. Note: *New substances were incorporated in chemical health assessment, contributing to all rivers failing in 2019. High classification: natural or almost natural state (no river classified as such). Figures for 2019 do not total 100 due to rounding