(Nid yw'r nodyn hwn yn rhan o'r Gorchymyn)

Dygwyd darpariaethau canlynol Deddf Rheoli Llifogydd a Dŵr 2010 i rym drwy orchymyn cychwyn a wnaed cyn dyddiad y Gorchymyn hwn.

Darpariaeth y Ddeddf

Y dyddiad cychwyn

Rhif O.S.

Adran 1 (yn rhannol)

1 Medi 2010

2010/2169 (C. 108)

Adran 1 (y gweddill)

1 Hydref 2010

2010/2169 (C. 108)

Adran 2 (yn rhannol)

1 Medi 2010

2010/2169 (C. 108)

Adran 2 (y gweddill)

1 Hydref 2010

2010/2169 (C. 108)

Adran 3 (yn rhannol)

1 Medi 2010

2010/2169 (C. 108)

Adran 3 (y gweddill)

1 Hydref 2010

2010/2169 (C. 108)

Adran 4 (yn rhannol)

1 Medi 2010

2010/2169 (C. 108)

Adran 4 (y gweddill)

1 Hydref 2010

2010/2169 (C. 108)

Adran 5

1 Hydref 2010

2010/2169 (C. 108)

Adran 6 (yn rhannol)

1 Medi 2010

2010/2169 (C. 108)

Adran 6 (y gweddill)

1 Hydref 2010

2010/2169 (C. 108)

Adrannau 7 i 10

1 Hydref 2010

2010/2169 (C. 108)

Adran 11 (o ran Lloegr yn unig)

19 Gorffennaf 2011

2011/1770 (C. 7)

Adran 11 (o ran Cymru yn unig)

1 Tachwedd 2011

2011/2204 (C. 80)

Adran 12

1 Tachwedd 2011

2011/2204 (C. 80)

Adran 13

1 Hydref 2010

2010/2169 (C. 108)

Adran 14

6 Ebrill 2011

2011/694 (C. 25)

Adran 15 (yn rhannol)

18 Ionawr 2011

2011/95 (C. 4)

Adran 15 (y gweddill, o ran Cymru yn unig)

6 Ebrill 2011

2011/694 (C. 25)

Adran 16

1 Hydref 2010

2010/2169 (C. 108)

Adran 17 (yn rhannol)

1 Hydref 2010

2010/2169 (C. 108)

Adran 17 (y gweddill)

1 Ebrill 2011

2011/694 (C. 25)

Adran 18 (o ran Lloegr yn unig)

19 Gorffennaf 2011

2011/1770 (C. 7)

Adran 18 (o ran Cymru yn unig)

1 Tachwedd 2011

2011/2204 (C. 80)

Adran 19

6 Ebrill 2011

2011/694 (C. 25)

Adran 20

1 Hydref 2010

2010/2169 (C. 108)

Adran 21

6 Ebrill 2011

2011/694 (C. 25)

Adran 22 (yn rhannol)

1 Hydref 2010

2010/2169 (C. 108)

Adran 22 (y gweddill)

1 Ebrill 2011

2011/694 (C. 25)

Adran 23

1 Ebrill 2011

2011/694 (C. 25)

Adran 24

1 Hydref 2010

2010/2169 (C. 108)

Adran 25

1 Ebrill 2011

2011/694 (C. 25)

Adran 26

1 Hydref 2010

2010/2169 (C. 108)

Adran 27

1 Hydref 2011

2011/2204 (C. 80)

Adrannau 28 a 29

1 Hydref 2010

2010/2169 (C. 108)

Adran 30 (yn rhannol)

6 Ebrill 2011

2011/694 (C. 25)

Adran 30 (y gweddill)

1 Awst 2012

2012/2000 (C.79)

Adran 31 (yn rhannol)

1 Hydref 2010

2010/2169 (C. 108)

1 Ebrill 2011

2011/694 (C. 25)

6 Ebrill 2011

2011/694 (C. 25)

19 Gorffennaf 2011

2011/1770 (C. 7)

1 Hydref 2011

2011/2204 (C. 80)

6 Ebrill 2012

2012/879 (C. 25)

Adran 33 (yn rhannol)

1 Hydref 2011

2011/2204 (C. 80)

Adran 34 (yn rhannol)

1 Hydref 2010

2010/2169 (C. 108)

1 Ebrill 2011

2011/694 (C. 25)

Adran 35 (yn rhannol)

1 Hydref 2010

2010/2169 (C. 108)

Adran 36 (yn rhannol)

1 Medi 2010

2010/2169 (C. 108)

Adran 36 (y gweddill)

1 Hydref 2010

2010/2169 (C. 108)

Adran 37

6 Ebrill 2011

2011/694 (C. 25)

Adrannau 38 a 39 (yn rhannol)

18 Ionawr 2011

2011/95 (C. 4)

Adrannau 38 a 39 (y gweddill)

1 Rhagfyr 2011

2011/2856 (C. 101)

Adrannau 40 ac 41

1 Hydref 2010

2010/2169 (C. 108)

Adrannau 42 a 43 (yn rhannol)

1 Hydref 2010

2010/2169 (C. 108)

Adran 44

1 Hydref 2011

2011/2204 (C. 80)

Adran 45 (yn rhannol)

1 Hydref 2010

2010/2169 (C. 108)

Adrannau 46 a 47

1 Hydref 2010

2010/2169 (C. 108)

Yn Atodlen 1—

Paragraffau 15 ac 16 (yn rhannol)

6 Ebrill 2011

2011/694 (C. 25)

Paragraff 17

6 Ebrill 2011

2011/694 (C. 25)

Atodlen 1 (y gweddill)

1 Awst 2012

2012/2000 (C.79)

Yn Atodlen 2—

Paragraffau 1 i 24 (o ran Lloegr yn unig)

19 Gorffennaf 2011

2011/1770 (C. 7)

Paragraffau 1 i 24 (o ran Cymru yn unig)

1 Hydref 2011

2011/2204 (C. 80)

Paragraff 25

1 Hydref 2010

2010/2169 (C. 108)

Paragraffau 26 a 27

6 Ebrill 2012

2012/879 (C. 25)

Paragraff 28

1 Hydref 2010

2010/2169 (C. 108)

Paragraffau 29 a 30 (o ran Lloegr yn unig)

19 Gorffennaf 2011

2011/1770 (C. 7)

Paragraffau 29 a 30 (o ran Cymru yn unig)

1 Hydref 2011

2011/2204 (C. 80)

Paragraffau 31, 32(1) i (3) a (5) i (7), 33 a 34

6 Ebrill 2012

2012/879 (C. 25)

Paragraffau 35 ac 36 (o ran Lloegr yn unig)

19 Gorffennaf 2011

2011/1770 (C. 7)

Paragraffau 35 ac 36 (o ran Cymru yn unig)

1 Hydref 2011

2011/2204 (C. 80)

Paragraff 37

6 Ebrill 2011

2011/694 (C. 25)

Paragraffau 38 a 39 (o ran Lloegr yn unig)

19 Gorffennaf 2011

2011/1770 (C. 7)

Paragraffau 38 a 39 (o ran Cymru yn unig)

1 Hydref 2011

2011/2204 (C. 80)

Paragraffau 40, 41, 43 a 44

1 Ebrill 2011

2011/694 (C. 25)

Paragraffau 45 i 47 (o ran Lloegr yn unig)

19 Gorffennaf 2011

2011/1770 (C. 7)

Paragraffau 45 i 47 (o ran Cymru yn unig)

1 Hydref 2011

2011/2204 (C. 80)

Paragraff 48

1 Ebrill 2011

2011/694 (C. 25)

Paragraff 49 (o ran Lloegr yn unig)

19 Gorffennaf 2011

2011/1770 (C. 7)

Paragraff 49 (o ran Cymru yn unig)

1 Hydref 2011

2011/2204 (C. 80)

Paragraffau 50 i 53

1 Ebrill 2011

2011/694 (C. 25)

Paragraff 54 (yn rhannol)

1 Hydref 2010

2010/2169 (C. 108)

Paragraff 54 (y gweddill)

6 Ebrill 2011

2011/694 (C. 25)

Yn Atodlen 4—

Paragraff 1

1 Hydref 2011

2011/2204 (C. 80)

Paragraffau 2, 4, 7, 10, 12, 22, 25, 27, 30, 31, 32, 33 a 37 (yn rhannol)

1 Hydref 2011

2011/2204 (C. 80)

Paragraffau 38 i 40, 42 a 43

1 Hydref 2011

2011/2204 (C. 80)

Yn Atodlen 5—

Paragraffau 1 a 2

1 Ebrill 2011

2011/694 (C. 25)

Paragraff 3 (yn rhannol)

1 Hydref 2010

2010/2169 (C. 108)

Paragraff 4

1 Ebrill 2011

2011/694 (C. 25)

Paragraffau 5 a 6 (yn rhannol)

1 Hydref 2010

2010/2169 (C. 108)