Minor projects

WaterNSW undertakes a broad range of minor projects including maintenance and upgrades to our infrastructure to ensure we can continue to deliver water, when and where it’s needed. Environmental and other approvals are required for these projects. Content related to environmental assessments for WaterNSW’s projects will be displayed here when available.

2025

Avon Dam Security Upgrade

EIA and Approval - Avon Dam Security Upgrade (PDF, 2430.37 KB

Supporting Statement - Avon Dam Security Upgrade (PDF, 1456.57 KB)

Berembed Weir Project

Berembed Weir Concrete Coring SoHI (PDF, 6003.41 KB)

EIA and Approval - Berembed Weir Pier Concrete Coring (PDF, 9640.74 KB)

Burrinjuck Dam Cableway Upgrade

Burrinjuck Dam Cableway South Tower Supply Upgrade SoHI (PDF, 40008.32 KB)

EIA and Approval - South Tower Supply Upgrade Aerial Conductors and Cable Removal (PDF, 5403.47 KB)

Gogeldrie Weir Electrical Upgrade

EIA and Approval - Gogeldrie Weir Electrical Renewals (PDF, 6567.76 KB)

Gogeldrie Weir Electrical Renewals Project CRA - Determination Notice (PDF, 1099.87 KB)

Gogeldrie Weir - SoHI (PDF, 14209.93 KB)

Greater Sydney Road Renewals Project

EIA and Approval - Greater Sydney Road Renewals - Avon (PDF, 14133.34 KB)

EIA and Approval - Greater Sydney Road Renewals Cordeaux (PDF, 19634.54 KB)

Greater Sydney Road Renewals - Avon Dam Road Remediation SoHI (PDF, 17894.68 KB)

Greater Sydney Road Renewals - Cordeaux Dam SoHI (PDF, 20111.03 KB)

Koala Crossings Ousedale Creek

Determination and Activity Approval - Upper Canal Koala Crossings Ousedale Creek (PDF, 208.02 KB)

Upper Canal Koala Crossings Ousedale Creek REF Appendix B Feasibility Study (PDF, 14626.29 KB)

Upper Canal Koala Crossings Ousedale Creek REF Appendix C Design Solutions (PDF, 13838.01 KB)

Upper Canal Koala Crossings Ousedale Creek REF Appendix D Likelihood of Occurrence Assessments (PDF, 27916.58 KB)

Upper Canal Koala Crossings Ousedale Creek REF Appendix E SoHI (PDF, 24618.88 KB)

Upper Canal Koala Crossings Ousedale Creek REF (PDF, 35857.58 KB)

Pindari Dam Bubble Plume Destratification Project

Pindari Dam Bubble Plume Destratification System - REF (PDF, 36352.67 KB)

Pindari Dam Bubble Plume Destratification System - REF Decision Statement (PDF, 199.1 KB)

Upper Canal Aqueducts Expansion Joint Renewal

EIA and Approval - Upper Canal - Aqueducts Expansion Joint Renewal (PDF, 7849.89 KB)

Supporting Statement - Upper Canal - Aqueduct Expansion Joint Renewals (PDF, 1911.25 KB)

Yanco South Remediation Works

EIA and Approval - Murrumbidgee Yanco (South) (Old) Remediation Works (PDF, 6378.97 KB)

Supporting Statement - Yanco Weir and Site - Ramp Remediation (PDF, 2767.67 KB)

Other

EIA and Approval - Burrinjuck Dam Office and Garages Repairs (PDF, 12662.69 KB)

EIA and Approval - Upper Canal Drainage Improvement and Aerial Survey (PDF, 7554.78 KB)

EIA and Approval - Upper Canal Elladale Bypass (PDF, 15898.94 KB)

EIA and Approval - Wyangala Dam Gate Recoating (PDF, 3855.52 KB)

2024

Berembed Offtake Regulator Concrete Repair Works

EIA - Berembed Offtake Regulator Concrete Repair Works (PDF, 11081.9 KB)

Heritage impact statement 2024 Berembed  Regulator Repair FINAL (PDF, 1989.58 KB)

Cataract Contingency Plan Project

Approval - Cataract Dam - Contingency Plan Excavation (PDF, 118.67 KB)

EIA - Cataract Dam - Contingency Plan Excavation (PDF, 416.94 KB)

Notification to Heritage NSW - Cataract Dam (PDF, 520.82 KB)

Merrowie Creek Regulator Rock Protection

Approval - Merrowie Creek Regulator Rock Protection (PDF, 629.74 KB)

EIA - Merrowie Creek Regulator Rock Protection (PDF, 407.17 KB)

Prospect Raw Water Pumping Station Project

EIA and Approval - Prospect RWPS Resilience (PDF, 5873.17 KB)

Prospect RWPS SOHI_FINAL_Redacted (PDF, 10065.38 KB)

Warragamba DWPS Flood Doors

EIA and Approval - EIA Minor Works - Warragamba DWPS - Adit Tunnel Flood Doors (PDF, 3664.7 KB)

Warragamba Emergency Scheme - DWPS Flood Doors SOHI (PDF, 5431.73 KB)

Other

EIA and Approval - Burrinjuck Dam Station Masters Repairs (PDF, 10869.98 KB)

EIA and Approval - Lake Brewster Outlet Regulator (PDF, 9206.13 KB)

EIA and Approval - Lake Cargelligo Outlet Regulator (PDF, 5619.78 KB)

EIA and Approval - Murrundi Bridge Regulator (PDF, 10543.25 KB)

EIA and Approval - Oberon Dam Renewals Pipe Painting (PDF, 7543.39 KB)

EIA and Approval - Wingecarribee - Peat Barriers Renewals (PDF, 9216.95 KB)

2023

Fishway Cleanout Project

EIA and Approval - Marebone Fishway Desilting (PDF, 4800.5 KB)

EIA and Approval - Mollee Fishway cleanout (PDF, 4949.35 KB)

Greater Sydney Rockfall Stabilisation Project

Broughton Pass Weir Biodiversity Assessment Report (PDF, 2218.73 KB)

EIA and Approval - Broughton Pass Site 001 Greater Sydney Rockfall Stabilisation (PDF, 5939.91 KB)

EIA and Approval - Nepean Dam Site 005D Rockfall Stabilisation Project (PDF, 5162.72 KB)

Nepean Dam Photographic Archival Recording (PDF, 14789.65 KB)

Nepean Dam Targeted Ecological Impact Assessment Final (PDF, 15913.1 KB)

Rockfall Stabilisation Broughtons Pass Weir HIA (PDF, 3159.62 KB)

Upper Canal Condition of Syphons

EIA and Approval - Condition Assessment of Syphons (PDF, 5054.66 KB)

Supporting Statement - Upper Canal  - Syphon cleaning and investigation (PDF, 2218.45 KB)

Upper Nepean Dam Risk Review Project

EIA and Approval - Woronora Dam Geotechnical Investigations (PDF, 4015.21 KB)

Heritage Report (Woronora) - Geotechnical Investigation Supporting Statement (PDF, 4680.33 KB)

Other

EIA and Approval - Box Creek Regulator Upgrade (PDF, 8724.36 KB)

EIA and Approval - Desilt Marebone Weir Cutting (PDF, 4189.39 KB)

2022

Demolition Cordeaux Dam Cottage

EIA and Approval - Cottage 390 Demolition Cordeaux Dam (PDF, 1979.07 KB)

Supporting Statement - Cordeaux Dam - Demolition of Cottage (PDF, 1590.92 KB)

Nepean Picnic Area Rockfall Fencing

Approval - Nepean picnic area rockfall fence (PDF, 693 KB)

EIA - Nepean picnic area rockfall fence (PDF, 4109.84 KB)

Supporting Statement - Nepean Dam - Safety Fencing (PDF, 7557.61 KB)

Upper Nepean Instrumentation Upgrade Project

Cataract Dam Instrumentation Project - Supporting Statement (PDF, 6109.22 KB)

Cordeaux Dam Instrumentation Project - Supporting Statement (PDF, 6399.35 KB)

EIA and Approval - Cataract Dam Instrumentation Project (PDF, 2037.83 KB)

EIA and Approval - Cordeaux Dam Instrumentation Upgrade (PDF, 5594.39 KB)

Other

EIA and Approval - Greater Sydney Rockfall Works - Nepean Dam (PDF, 4122.18 KB)

EIA and Approval - Prospect Dam Office Demolition (PDF, 12859.75 KB)

WaterNSW acknowledges the traditional custodians of the lands and waters on which we work and pay our respects to all elders past, present and emerging. Learn more