Prospect South to Macarthur (ProMac)

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Under the ProMac project we are building new drinking water pipelines and infrastructure between Prospect South and Macarthur as part of Sydney Water's long-term plan to extend the city’s water capacity and supply.

ProMac will upgrade our existing water reservoirs at Liverpool, Cecil Park and Currans Hill as well as build two new reservoirs at Oran Park. This will allow for an extra 100 Megalitres of additional reservoir capacity in Western Sydney. That’s the equivalent of about 50 Olympic-sized swimming pools!

We’re also building 15 km of additional pipework, three pumping stations and upgrading our existing network to ensure growing communities in South Western Sydney have access to clean drinking water.

Sydney Water is investing in new infrastructure that will support the growing, dynamic South Western Sydney.

ProMac will help Sydney Water deliver on its vision of creating a better life with world-class water services.

Under the ProMac project we are building new drinking water pipelines and infrastructure between Prospect South and Macarthur as part of Sydney Water's long-term plan to extend the city’s water capacity and supply.

ProMac will upgrade our existing water reservoirs at Liverpool, Cecil Park and Currans Hill as well as build two new reservoirs at Oran Park. This will allow for an extra 100 Megalitres of additional reservoir capacity in Western Sydney. That’s the equivalent of about 50 Olympic-sized swimming pools!

We’re also building 15 km of additional pipework, three pumping stations and upgrading our existing network to ensure growing communities in South Western Sydney have access to clean drinking water.

Sydney Water is investing in new infrastructure that will support the growing, dynamic South Western Sydney.

ProMac will help Sydney Water deliver on its vision of creating a better life with world-class water services.

  • Cecil Hills - continuing night work on Cowpasture Road throughout early July 2022

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    Sydney Water is working to expand our network to meet increased demands from growth in South West Sydney, ensuring our existing and future customers continue to have reliable access to clean drinking water. To do this, we have engaged our Delivery Partner Acciona to build new and upgrade existing infrastructure between the Prospect and Macarthur Reservoirs (ProMac).

    As you are aware, we have been working at night on Cowpasture Road to install a water main within the Median Strip. We were set to complete this work by late June 2022; however, due to unexpected site conditions, night work will need to continue over six night shifts from Monday 4 July to Monday 18 July 2022 between 9:30pm and 5am.

    Following this work, we will notify you when we are ready to connect the new water main.

    Once all work is complete, we will continue to restore the impacted area in the median of Cowpasture Road.

    Thank you for your support and cooperation during this essential work.

    We know this is not ideal, but we’ll do everything we can to keep noise to a minimum including where possible loading materials during the day shift, using noise blankets to enclose our work area and completing the noisiest activities at the beginning of a shift.


    The health and wellbeing of Sydney Water crews are our top priority. All crews are adhering to testing, social distancing, and mask wearing requirements.

    Members of the public can rest easy knowing that Sydney Water's front line crews are authorised to work safely to continue delivering these essential services for their communities.

    We know our work can be disruptive, so we’ll make every effort to reduce any impact this work may have on you. Thank you for your cooperation during this essential work.

  • Harrington Park and Oran Park - night work on The Northern Road

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    As you are aware, we are continuing to install 5 kilometres of underground electrical cable along The Northern Road to connect the new water pumping station at Harrington Park to the Substation at Oran Park.

    Upcoming night work

    Due to busy traffic on The Northern Road during the day, we need to do some of the installation work at night from 10pm to 6am.

    Work will take place at night inside the Harrington Park Pump Station site on Monday 27, Tuesday 28 and Wednesday 29 June 2022. We may also work at night on Thursday 30 June and Friday 1 July, as contingency.

    We will work at night at the intersection of Peter Brock Drive and The Northern Road on Tuesday 28 June to complete utility investigations. We will then install new cable on Monday 4, Tuesday 5 and Wednesday 6 July 2022. We may also work at night on Thursday 7 and Friday 8 July, as contingency.

    Traffic changes

    During the work there will be changes to traffic conditions on The Northern Road. Lane closures and traffic control will be in place to safely assist motorists around our work area. Please see map overleaf for the location of work.

    Location of work


    The health and wellbeing of Sydney Water crews are our top priority. All crews are adhering to testing, social distancing, and mask wearing requirements.

    Members of the public can rest easy knowing that Sydney Water's front line crews are authorised to work safely to continue delivering these essential services for their communities.

    We know our work can be disruptive, so we’ll make every effort to reduce any impact this work may have on you. Thank you for your cooperation during this essential work.


  • Menangle Park - temporary traffic changes along Glenlee Road

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    As part of the Prospect to Macarthur (ProMac) project we are building a new drinking water pipeline between the Sugarloaf Pump Station in Menangle Park and the Narellan South Reservoir in Mount Annan (see attached map), to provide drinking water services for 84,000 new homes in the South West Growth Area and Western Sydney Aerotropolis Growth Area.

    We plan to trench across Glenlee Road to install a new water main. Please see map overleaf for the location of work. The work will be undertaken over a three-day period in the week commencing 20 June 2022, weather permitting. No night works will be undertaken.

    We plan to trench across Glenlee Road to install a new water main. Please see map overleaf for the location of work. The work will be undertaken over a three-day period in the week commencing 20 June 2022, weather permitting. No night works will be undertaken.

    This work will involve:

    • trench excavation
    • installation and removal of steel plates
    • pipe installation and backfilling
    • laying of asphalt.

    Traffic changes

    Traffic flow will be maintained by traffic controllers, causing minimal delays to residents. Steel plates will cover the trench for the duration of the works. One lane of Glenlee Road will remain open in a two-way stop/slow arrangement.

    Our work hours

    • 7 am to 6 pm Monday to Friday
    • 8 am to 1 pm Saturday.

    The health and wellbeing of Sydney Water crews are our top priority. All crews are adhering to testing, social distancing, and mask wearing requirements.

    Members of the public can rest easy knowing that Sydney Water's front line crews are authorised to work safely to continue delivering these essential services for their communities.

    We know our work can be disruptive, so we’ll make every effort to reduce any impact this work may have on you. Thank you for your cooperation during this essential work.

  • Cecil Hills - continuing night work on Cowpasture Road

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    Sydney Water is working to expand our network to meet increased demands from growth in South West Sydney, ensuring our existing and future customers continue to have reliable access to clean drinking water. To do this, we have engaged our Delivery Partner Acciona to build new and upgrade existing infrastructure between the Prospect and Macarthur Reservoirs (ProMac).

    As you are aware, we have been working at night on Cowpasture Road to install a water main under the road. This work is carried out over five night shifts on Sunday, Monday, Tuesday, Thursday and Friday from 9.30pm to 5am.

    As part of this work, we need to connect the new watermain to the existing network. To do this, we need to work an additional night on Wednesday 8 June between 8pm and 5am, weather permitting. Once this connection is completed, work will continue to restore the impacted area in the median of Cowpasture Road until Friday 24 June 2022.

    Thank you for your support and cooperation during this essential work.

    We know this is not ideal, but we’ll do everything we can to keep noise to a minimum including where possible loading materials during the day shift, using noise blankets to enclose our work area and completing the noisiest activities at the beginning of a shift.


    The health and wellbeing of Sydney Water crews are our top priority. All crews are adhering to testing, social distancing, and mask wearing requirements.

    Members of the public can rest easy knowing that Sydney Water's front line crews are authorised to work safely to continue delivering these essential services for their communities.

    We know our work can be disruptive, so we’ll make every effort to reduce any impact this work may have on you. Thank you for your cooperation during this essential work.

  • Currans Hill - reservoir demolition completed

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    As part of the Prospect to Macarthur project (ProMac) we are replacing the reservoir in Currans Hill so that it can reliably supply water to the community for decades to come. We dismantled the existing reservoir throughout March, April and May. We plan to start demobilising from the area on 16 May 2022, weather permitting. Stage 2 construction of the new reservoir will commence later this year, weather permitting. We will provide an update to the community once this has been confirmed.

    Demobilisation works will involve:

    • removing site facilities
    • removing all remaining plant and machinery • undertaking environmental inspections.

    Construction traffic and impacts

    There will be an increase in construction traffic around Currans Hill while we demobilise. Residents can expect to see truck movements on Turner Road, Ascot Drive and Manooka Road.

    Our work hours

    • 7 am to 6 pm Monday to Friday
    • 8 am to 1 pm Saturday.


    The health and wellbeing of Sydney Water crews are our top priority. All crews are adhering to testing, social distancing, and mask wearing requirements.

    Members of the public can rest easy knowing that Sydney Water's front line crews are authorised to work safely to continue delivering these essential services for their communities.

    We know our work can be disruptive, so we’ll make every effort to reduce any impact this work may have on you. Thank you for your cooperation during this essential work.

  • Harrington Park - night work at Harrington Park Pump Station

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    Sydney Water are building a new water pumping station on The Northern Road in Harrington Park, to provide drinking water services for 84,000 new homes in the South West Growth Area and Western Sydney Aerotropolis Growth Area.

    As part of this work, we need to carry out several watermain connections over the coming months. We will work in stages to disconnect and remove the existing water main within different areas of the pumping station. Once removed, there will be new pipework installed to accommodate the new pump station. This connection work will be carried out over a 72-hour period. Your wastewater or water services will not be impacted by these shutdowns.

    The location of work for the first two stages will be at the front of our site compound near The Northern Road (please see map overleaf for the location of work). You may also notice some machinery and work vehicles moving around the site during the work.

    Stage 1 connection

    The first connection will commence at 6 pm on Tuesday 17 May to 7 am Friday 20 May 2022, weather permitting.

    Stage 2 connection

    The second connection will commence at 6 pm on Tuesday 31 May to 7 am Friday 3 June 2022, weather permitting.

    We will notify you again when we are ready to complete stages 3 and 4 of the connection works.

    These works are in addition to our standard working hours.

    Standard work hours

    • 7 am to 6 pm Monday to Friday

    • 8 am to 1 pm on Saturdays.

    Construction activities include saw cutting, welding, lifting pipes / fittings and excavation activities. There will be trucks and other construction equipment with reversing beepers working in the area. We’ll try to do the noisiest work early in the night, but there’ll be some noise after midnight at times.

    Traffic changes

    As we complete this work, a section of the footpath along The Northern Road has been temporarily reduced to one lane. The changed pedestrian conditions will remain in place for the duration of the work.

    Location of work

    The health and wellbeing of Sydney Water crews are our top priority. All crews are adhering to testing, social distancing, and mask wearing requirements.

    Members of the public can rest easy knowing that Sydney Water's front line crews are authorised to work safely to continue delivering these essential services for their communities.

    We know our work can be disruptive, so we’ll make every effort to reduce any impact this work may have on you. Thank you for your cooperation during this essential work.

  • Bossley Park - installation of electrical cabinet, Quarry Road

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    Sydney Water is working to expand our network to meet increased demands from growth in South West Sydney, ensuring our existing and future customers continue to have reliable access to clean drinking water.

    As part of these works, we successfully installed and connected a valve to the water main in the laneway behind 65 Mimosa Road, Bossley Park to control the pressure of the water as it enters homes.

    We have removed our equipment from the laneway and reopened to allow for normal use. We’ll liaise with your local council to permanently restore the laneway and council verge.

    Thank you for your support and patience during this work.

    Upcoming work

    We still need to install an electrical cabinet and connect the cabling. The cabinet is currently being manufactured offsite. You may have noticed a 3 metre by 1.2 metre concrete foundation in the nature strip outside 2 Quarry Road, this is where the electrical cabinet will be installed.

    When we are ready to install the cabinet, we’ll notify you again. This work will occur during standard daytime hours.

    Our work hours

    • 7 am to 6 pm Monday to Friday
    • 8 am to 1 pm Saturday.


    The health and wellbeing of Sydney Water crews are our top priority. All crews are adhering to testing, social distancing, and mask wearing requirements.

    Members of the public can rest easy knowing that Sydney Water's front line crews are authorised to work safely to continue delivering these essential services for their communities.

    We know our work can be disruptive, so we’ll make every effort to reduce any impact this work may have on you. Thank you for your cooperation during this essential work.

  • Currans Hill - noise and vibration activities to begin Tuesday 3 May 2022, weather permitting

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    As part of the Prospect to Macarthur (ProMac) project we are replacing the reservoir in Currans Hill so that it can reliably supply water to the community for decades to come.

    We are continuing to use a crane to dismantle the reservoir wall panels. To dismantle the final row of panels at the base of the reservoir, we need to remove the grout seal. We plan to undertake this work using an excavator and small hammer attachment from Tuesday 3 May 2022. This activity will take up to four shifts to complete, weather permitting.

    The grout is embedded in a channel in the concrete foundation around the outside of the tank. To give residents respite from noise and vibration, jack hammering works will occur in three-hour blocks, with one hour breaks in between.

    This work will involve:

    • using a 5 tonne excavator with a small cylindrical hammer attachment to break away grout from concrete using elevated work platforms to dismantle the tank in sections
    • lifting sections of panels with the use of a crane
    • transporting components that can’t be re-used or recycled offsite by truck.

    Our work hours

    • 7 am to 6 pm Monday to Friday
    • 8 am to 1 pm Saturday.

    What you need to know

    We know our work can be disruptive, so we'll make every effort to reduce any impact this work may have on you.


    The health and wellbeing of Sydney Water crews are our top priority. All crews are adhering to testing, social distancing, and mask wearing requirements.

    Members of the public can rest easy knowing that Sydney Water's front line crews are authorised to work safely to continue delivering these essential services for their communities.

    We know our work can be disruptive, so we’ll make every effort to reduce any impact this work may have on you. Thank you for your cooperation during this essential work.

  • Bradbury - Campbelltown South Reservoir re-chlorination plant works to begin Tuesday 19 April 2022

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    As part of the Prospect to Macarthur (ProMac) project we are building a new re-chlorination plant within our Campbelltown South Reservoir site at Bradbury to improve the management of water quality for our customers (please see map for location).

    We had originally planned to start work in February, however, due to wet weather, work will now commence Tuesday 19 April 2022 and is expected to finish early September 2022, weather permitting.

    The work involves:

    • investigating and surveying the area
    • setting up site facilities
    • clearing trees and removing vegetation within 20 metres of our work area • using plant and equipment to level the site and remove spoil
    • construction of a larger access road and an unloading bay for trucks
    • delivery and cranage of any oversized pre-constructed building
    • restoring the impacted area.

    Construction traffic and impacts

    There will be an increase in construction traffic around Bradbury during our work. Residents can expect to see truck movements on Karrabul Road, St Johns Road, Akuna Avenue, Greengate Road and Merino Crescent.

    Our work hours

    • Monday to Friday 7 am to 6 pm
    • Saturdays 8 am to 1 pm.

    No work is planned on Sundays or public holidays. If we need to work outside our standard hours from time to time, we will update residents before this occurs.


    Location of work

    The health and wellbeing of Sydney Water crews are our top priority. All crews are adhering to testing, social distancing, and mask wearing requirements.

    Members of the public can rest easy knowing that Sydney Water's front line crews are authorised to work safely to continue delivering these essential services for their communities.

    We know our work can be disruptive, so we’ll make every effort to reduce any impact this work may have on you. Thank you for your cooperation during this essential work.

  • Mount Annan - Narellan South Reservoir re-chlorination plant works to begin Tuesday 19 April 2022

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    As part of the Prospect to Macarthur (ProMac) project we are building a new drinking water pipeline to connect the Narellan South Reservoir in Mount Annan and the Sugarloaf Pump Station in Menangle Park and a new re-chlorination plant next to the Narellan South Reservoir (please see map for location).

    We had originally planned to start work building the re-chlorination plant in February, however, due to wet weather, work will now commence Tuesday 19 April 2022 and is expected to finish early September 2022, weather permitting.

    The work involves:

    • investigating and surveying the area
    • setting up site facilities
    • clearing trees and removing vegetation within 20 metres of our work area • using plant and equipment to level the site and remove spoil
    • construction of a larger access road and an unloading bay for trucks
    • delivery and cranage of any oversized pre-constructed building
    • restoring the impacted area.

    Construction traffic and impacts

    There will be an increase in construction traffic around Mount Annan during our work. Residents can expect to see truck movements on Mount Annan Drive, Indigofera Circuit, Commelina Drive, Swansona Avenue and Moyengully Avenue.

    Our work hours

    • Monday to Friday 7 am to 6 pm
    • Saturdays 8 am to 1 pm.

    No work is planned on Sundays or public holidays. If we need to work outside our standard hours from time to time, we will update residents before this occurs.


    Location of work

    The health and wellbeing of Sydney Water crews are our top priority. All crews are adhering to testing, social distancing, and mask wearing requirements.

    Members of the public can rest easy knowing that Sydney Water's front line crews are authorised to work safely to continue delivering these essential services for their communities.

    We know our work can be disruptive, so we’ll make every effort to reduce any impact this work may have on you. Thank you for your cooperation during this essential work.

Page last updated: 06 Jul 2022, 02:41 PM