When the tap is turned on next week, the pipeline will supply 260 households in the village with water after almost a year's worth of construction. It is gravity-fed and will be a more cost-effective and reliable water supply for Curlewis.

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Gunnedah mayor Jamie Chaffey said the completion was great news for Curlewis residents and businesses.

"This major infrastructure upgrade for Curlewis will go a long way to improving the liveability of the town, including economic growth and beautification of the area," Cr Chaffey said.

"Curlewis water should now not be as hard, will be easier on household appliances, and should taste better."

Gunnedah Shire Council's project manager water services Michael Ludlow thanked the residents of Curlewis for their patience during the construction.

"The people of Curlewis have been patient throughout this process and have told us they are looking forward to a better water supply," Mr Ludlow said.

Mr Ludlow said ten households would be added shortly after the initial 260, and that the pipeline could cater for twice as many residents if needed in the future.

He said while rock in the path of the pipeline had slowed the project a little, it had been important to get it right.

Gunnedah council will also hold an official open day for residents so they can tour the facility and ask questions of council staff.

The official opening will be held on Wednesday, June 12 at 10.30am at the intersection of Hawthorne and Pike Street, with reservoir tours to occur between 11am-1pm on Preston Road.

The project was funded by Gunnedah Shire Council, alongside a contribution of $2.6 million through the federal government's Building Better Regions Fund.

The pipeline connects Gunnedah's town water to the town of Curlewis, and has been designed to provide for an expanded population in the area. The project also includes two new 500,000-litre concrete reservoirs.

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