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Deddf Seilwaith (Cymru) 2024

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This is the original version (as it was originally enacted).

Dŵr

12Argaeau a chronfeydd dŵr

Mae’r mathau o ddatblygiad a ganlyn yn brosiectau seilwaith arwyddocaol—

(a)adeiladu argae neu gronfa ddŵr yng Nghymru os yw cyfaint disgwyliedig y dŵr a gedwir yn ôl gan yr argae neu a gaiff ei storio yn y gronfa ddŵr yn fwy na 10 miliwn o fetrau ciwbig;

(b)addasu argae neu gronfa ddŵr yng Nghymru os yw cyfaint ychwanegol disgwyliedig y dŵr a gedwir yn ôl gan yr argae neu a gaiff ei storio yn y gronfa ddŵr o ganlyniad i’r addasiad yn fwy na 10 miliwn o fetrau ciwbig.

13Trosglwyddo adnoddau dŵr

(1)Mae datblygiad sy’n ymwneud â throsglwyddo adnoddau dŵr yn brosiect seilwaith arwyddocaol—

(a)os cynhelir y datblygiad gan un neu ragor o ymgymerwyr dŵr,

(b)os yw’r datblygiad yn digwydd yng Nghymru,

(c)os yw cyfaint disgwyliedig y dŵr a drosglwyddir o ganlyniad i’r datblygiad yn fwy na 100 miliwn o fetrau ciwbig y flwyddyn,

(d)os yw’r datblygiad yn galluogi trosglwyddo adnoddau dŵr—

(i)rhwng basnau afonydd yng Nghymru,

(ii)rhwng ardaloedd ymgymerwyr dŵr yng Nghymru, neu

(iii)rhwng basn afon yng Nghymru ac ardal ymgymerwr dŵr yng Nghymru, ac

(e)os nad yw’r datblygiad yn ymwneud â throsglwyddo dŵr yfed.

(2)Yn yr adran hon—

  • ystyr “ardal ymgymerwr dŵr” (“water undertaker’s area”) yw’r ardal y penodwyd ymgymerwr dŵr ar ei chyfer o dan Ddeddf y Diwydiant Dŵr 1991;

  • ystyr “basn afon” (“river basin”) yw ardal o dir a ddraenir gan afon a’i his-afonydd;

  • ystyr “ymgymerwr dŵr” (“water undertaker”) yw cwmni sydd wedi ei benodi’n ymgymerwr dŵr o dan adran 6 o Ddeddf y Diwydiant Dŵr 1991 (penodi ymgymerwyr perthnasol).

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