Gwaith Trin Dŵr
Llwyn-onn

Croeso i’n hymgynghoriad

Strategaeth Cyflenwad Dŵr Cwm Taf

Buddsoddi mewn gweithfeydd trin dŵr newydd a chydnerth, a chyfleusterau cysylltiedig a fydd yn darparu cyflenwad diogel a dibynadwy o ddŵr yfed glân i'n cwsmeriaid am ddegawdau i ddod.

Croeso i’n hymgynghoriad

30 Hydref – 10 Rhagfyr 2025

Mae'r wybodaeth ar y wefan ymgynghori hon yn amlinellu ein cynnig i uwchraddio ein Gwaith Trin Dŵr presennol yn Llwyn-onn ym Mharc Cenedlaethol Bannau Brycheiniog, ynghyd â chyfleusterau storio dŵr a rhwydweithiau piblinellau newydd.

Ar ôl eu hadeiladu, bydd y cyfleusterau newydd hyn hefyd yn disodli Gwaith Trin Dŵr presennol Cantref, a fydd yn cael ei ddatgomisiynu.

Ymgynghoriad cyn gwneud cais statudol yw hwn ac fe'i cynlluniwyd i rannu'r angen am y buddsoddiad, ein cynigion, dogfennau cais cynllunio drafft, a chael eich adborth cyn i ni gyflwyno ein cais cynllunio i'r awdurdodau cynllunio lleol perthnasol – Parc Cenedlaethol Bannau Brycheiniog a Chyngor Bwrdeistref Sirol Merthyr Tudful.

Rydym wedi creu ystafell ymgynghori rithwir lle byddwch yn dod o hyd i wybodaeth am y cynnig a sut y gallwch roi eich barn. Gwnewch yn siŵr eich bod yn darllen y wybodaeth ychwanegol ar y prif fwrdd yn yr ystafell rithwir ac a ddarperir ar y sgriniau.

Ein hymgynghoriad

rhithiol

Strategaeth Cyflenwad Dŵr Cwm Taf - Gwaith Trin Dŵr Llwyn-onn

Gweld yr ymgynghoriad

Mae ystafell ymgynghori rithwir ar wahân ar gael ar gyfer Gwaith Trin Dŵr arfaethedig yn Dan-y-Castell a Gorsaf Bwmpio Pontsticill: dwrcymru.com/cynnigdanycastell

Cliciwch yma am ganllawiau i’r dogfennau technegol isod”.


Ffurflenni Cais Cynllunio Drafft

Draft BBNPA Planning Application WTW

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1.1MB, PDF

Draft MTCBC Planning Application Pipeline

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1.1MB, PDF

Pecyn Darlunio Drafft

Draft Llwyn-onn Water Treatment Works Upgrade Chemical Building 1 - Existing Elevations and Sections

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1.1MB, PDF

Draft Llwynonn Water Treatment Works Upgrade Chemical Building 3 Proposed Plans Elevations and Sect

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808.9kB, PDF

Draft Llwynonn Water Treatment Works Upgrade Chemical Building 4 Proposed Plans Elevations and Sect

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244.6kB, PDF

Draft Llwyn-onn Water Treatment Works Upgrade Chlorine Contact Tank - Proposed Elevations

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748.6kB, PDF

Draft Llwyn-onn Water Treatment Works Upgrade Chlorine Contact Tank - Proposed Ground Floor Plan

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314.1kB, PDF

Draft Llwyn-onn Water Treatment Works Upgrade Chlorine Contact Tank - Proposed Roof Plan

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354.5kB, PDF

Draft Llwyn-onn Water Treatment Works Upgrade Chlorine Contact Tank - Proposed Sections

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215.8kB, PDF

Draft Llwyn-onn Water Treatment Works Upgrade Chlorine Contact Tank -Proposed Basement Floor Plan

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233.3kB, PDF

Draft Llwyn-onn Water Treatment Works Upgrade Clean Water Tank - Proposed Elevations

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800.1kB, PDF

Draft Llwyn-onn Water Treatment Works Upgrade Clean Water Tank - Proposed Ground Floor Plan

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316.2kB, PDF

Draft Llwyn-onn Water Treatment Works Upgrade Clean Water Tank - Proposed Roof Plan

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279.7kB, PDF

Draft Llwyn-onn Water Treatment Works Upgrade Clean Water Tank - Proposed Sections

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227.8kB, PDF

Draft Llwyn-onn Water Treatment Works Upgrade Dirty Backwash Tank - Existing Elevations

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353.7kB, PDF

Draft Llwynonn Water Treatment Works Upgrade Dirty Backwash Tank Existing Plan Sections

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250kB, PDF

Draft Llwyn-onn Water Treatment Works Upgrade Emergency Stand by Generators and Bulk Storage Tank

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246.5kB, PDF

Draft Llwyn-onn Water Treatment Works Upgrade Existing Chemical Building 1 - Plan

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251kB, PDF

Draft Llwynonn Water Treatment Works Upgrade Existing Inlet and Dissolved Air Flotation Proposed Pl

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530.2kB, PDF

Draft Llwyn-onn Water Treatment Works Upgrade Existing Inlet and Dissolved Air Flotation Elevations

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291.1kB, PDF

Draft Llwyn-onn Water Treatment Works Upgrade Existing Location Plan

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468.4kB, PDF

Draft Llwyn-onn Water Treatment Works Upgrade Existing Manganese Building - Elevations

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445.4kB, PDF

Draft Llwyn-onn Water Treatment Works Upgrade Existing Manganese Building - Plans

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278.5kB, PDF

Draft Llwyn-onn Water Treatment Works Upgrade Existing Manganese Building - Section

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197kB, PDF

Draft Llwyn-onn Water Treatment Works Upgrade Existing Site Plan

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245.4kB, PDF

Draft Llwynonn Water Treatment Works Upgrade HV Switch Room Proposed Plans Elevations and Section

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582.5kB, PDF

Draft Llwyn-onn Water Treatment Works Upgrade Proposed and Existing Site Elevations

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886.8kB, PDF

Draft Llwyn-onn Water Treatment Works Upgrade Proposed Site Elevations

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2MB, PDF

Draft Llwyn-onn Water Treatment Works Upgrade Proposed Site Layout Plan

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507.2kB, PDF

Draft Llwynonn Water Treatment Works Upgrade Site Location Plan Biodiverse and Sedum Roof

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593.5kB, PDF

Draft Llwynonn Water Treatment Works Upgrade Supernatent Tank Proposed Plans Elevations Sections

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651.5kB, PDF

Draft Llwyn-onn Water Treatment Works Upgrade Transformer Proposed Plans Elevations and Sections

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459.5kB, PDF

Draft Llwynonn Water Treatment Works Upgrade TransformersProposed Plans Elevations and Sections

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758.9kB, PDF

Draft Llwyn-onn WTW Upgrade RGF Building, Ozone Generation Contact Tank & Low Lift Pumping Station - Proposed Roof Plan

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248kB, PDF

Draft Llwyn-onn WTW Upgrade RGF Building, Ozone Generation Contact Tank & Low Lift Pumping Station - Proposed Elevations

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608.5kB, PDF

Draft Llwyn-onn WTW Site Location Plan

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3.5MB, PDF

Draft Llwyn-onn WTW upgrade - overview of the proposed development

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1.7MB, PDF

Draft Llwyn-onn Water Treatment Works Upgrade Granular Activated Carbon (GAC) Building & Chemical Building 2 - Proposed - Elevations

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1.5MB, PDF

Draft Llwyn-onn Water Treatment Works Upgrade Granular Activated Carbon (GAC) Building & Chemical Building 2 - Proposed Floor Plan

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332.3kB, PDF

Draft Llwyn-onn Water Treatment Works Upgrade Granular Activated Carbon (GAC) Building & Chemical Building 2 - Proposed Roof Plan

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323.8kB, PDF

Draft Llwyn-onn Water Treatment Works Upgrade Granular Activated Carbon (GAC) Building & Chemical Building 2 - Proposed Sections

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230.5kB, PDF

Draft Llwyn-onn WTW Upgrade RGF Building, Ozone Generation Contact Tank & Low Lift Pumping Station - Proposed Sections

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377.7kB, PDF

Draft Llwyn-onn WTW Upgrade RGF Building, Ozone Generation Contact Tank & Low Lift Pumping Station Proposed Ground Floor Plan

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391.7kB, PDF

Asesiad Mwynau Drafft

Draft Llwyn-onn Planning Statement

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3.9MB, PDF

Datganiad Dylunio a Mynediad Drafft — Uwchraddio Gwaith Trin Dŵr Llwyn-onn

Draft Design and Access Statement - Dan-y-Castell Water Treatment Works

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21.2MB, PDF

Asesiad Rheoliadau Cynefinoedd (HRA) Drafft

Draft Habitat Regulation Assessment

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2.2MB, PDF

Asesiad Effaith Coedyddiaeth Drafft (AIA)

Draft Arboricultural Impact Assessment

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68.8MB, PDF

Strategaeth Goleuadau Amlinellol Ddrafft

Draft Outline Lighting Strategy

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1.7MB, PDF

Cynllun Rheoli Gwastraff Safle Amlinellol Drafft

Draft Outline Site Waste Management Plan

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387kB, PDF

Datganiad Trafnidiaeth Drafft

Draft Transport Statement

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5MB, PDF

Cynllun Rheoli Traffig Adeiladu Amlinellol Drafft

Draft Outline Construction Traffic Management Plan

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5.4MB, PDF

Adroddiad Seilwaith Gwyrdd Drafft

Draft Green Infrastructure Statement

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12.8MB, PDF

Tir Halogedig Drafft Cyfnod 1

Draft Phase 1 Contaminated Land - Part 1

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2MB, PDF

Draft Phase 1 Contaminated Land - Part 2

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43.7MB, PDF

Draft Phase 1 Contaminated Land - Part 3

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31.3MB, PDF

Draft Phase 1 Contaminated Land - Part 4

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28.8MB, PDF

Draft Phase 1 Contaminated Land - Part 5

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36.5MB, PDF

Drafft a Chrynodeb Annhechnegol

Draft Volume 1 - Main Text

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5.8MB, PDF

Draft Volume 2 - Technical Appendices - Appendix 8M-N

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39.1MB, PDF

Draft Volume 2 - Technical Appendices - Appendix 1-7

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36.1MB, PDF

Draft Volume 2 - Technical Appendices - Appendix 8 E

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14.9MB, PDF

Draft Volume 2 - Technical Appendices - Appendix 8A

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79.3MB, PDF

Draft Volume 2 Technical Appendices Appendix 8A2

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40.5MB, PDF

Draft Volume 2 - Technical Appendices - Appendix 8B

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74MB, PDF

Draft Volume 2 - Technical Appendices - Appendix 8E

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53.2MB, PDF

Draft Volume 2 - Technical Appendices - Appendix 8G

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3.2MB, PDF

Draft Volume 2 - Technical Appendices - Appendix 8H

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99.2MB, PDF

Draft Volume 2 Technical Appendices Appendix 8H2

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94.2MB, PDF

Draft Volume 2 Technical Appendices Appendix 8H3

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96.8MB, PDF

Draft Volume 2 Technical Appendices Appendix 8H4

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95.6MB, PDF

Draft Volume 2 Technical Appendices Appendix 8H5

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61.3MB, PDF

Draft Volume 2 Technical Appendices Appendix 8H6

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97.4MB, PDF

Draft Volume 2 Technical Appendices Appendix 8H7

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47MB, PDF

Draft Volume 2 - Technical Appendices - Appendix 8I

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61MB, PDF

Draft Volume 2 - Technical Appendices - Appendix 8J-K

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21.2MB, PDF

Draft Volume 2 - Technical Appendices - Appendix 8L1

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45.4MB, PDF

Draft Volume 2 - Technical Appendices - Appendix 8L 2

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92MB, PDF

Draft Volume 2 - Technical Appendices - Appendix 8O-Q

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81.9MB, PDF

Draft Volume 2 - Technical Appendices - Appendix 8R Part 1

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Draft Volume 2 - Technical Appendices - Appendix 8R Part 2

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102.9MB, PDF

Draft Volume 2 - Technical Appendices - Appendix 8R Part 3

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100.8MB, PDF

Draft Volume 2 Technical Appendices Appendix 8R2

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100.8MB, PDF

Draft Volume 2 - Technical Appendices - Appendix 8S-U

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65.2MB, PDF

Draft Volume 2 - Technical Appendices - Appendix 8V

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70.3MB, PDF

Draft Volume 2 Technical Appendices Appendix 8V2

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72.5MB, PDF

Draft Volume 2 - Technical Appendices - Appendix 8W-Y

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Draft Volume 2 - Technical Appendices - Appendix 9-14

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23.4MB, PDF

Draft Volume 3 - Figures - Part 1

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34.7MB, PDF

Draft Volume 3 - Figures - Part 2

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92.9MB, PDF

Draft Volume 3 - Figures - Part 3

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Dweud eich dweud

Rydym am glywed eich barn.

Cymerwch yr amser i ddarllen ein deunyddiau ymgynghori ac yna cwblhewch ein ffurflenni i rannu eich adborth.

Mae ffurflenni ar wahân ar gyfer pob cynnig fel y gallwn sicrhau y bydd unrhyw sylwadau a geir yn benodol i bob cynnig. Rydym wedi defnyddio system codau lliw ar y ffurflenni er mwyn eglurder. Rydym yn croesawu ac yn annog adborth ar y ddau gynnig. I'r rhai sydd am wneud sylwadau ar y ddau, bydd angen i chi lenwi'r ddwy ffurflen adborth.

Sut i gyflwyno adborth

Os na allwch ymateb drwy un o'r sianeli uchod, ffoniwch 0800 052 0130 i drafod ffyrdd eraill o rannu eich adborth. (Ymholiadau cyffredinol 8am-6pm o ddydd Llun i ddydd Gwener, 9am-1pm dydd Sadwrn).

Y dyddiad cau ar gyfer ymatebion yw 23:59 dydd Mercher 10 Rhagfyr 2025.

Mae eich adborth yn bwysig iawn i ni. Bydd yr adborth a geir fel rhan o'r ymgynghoriad hwn yn cael ei ystyried wrth i ni gwblhau ein cais. Bydd y sylwadau a godwyd, a sut y gwnaethom eu hystyried, yn rhan o’n cyflwyniad cais cynllunio terfynol - a nodir yn yr Adroddiad Ymgynghori Cyn Gwneud Cais.