And it's a similar story right across the region as dams lap up the wet stuff after widespread rain earlier this week.

The water sports hotspot and tourist destination is back from the brink and filling fast as floodwaters flow.

Keepit Dam levels reached almost 54 per cent on Thursday afternoon, after a raging Namoi River brought recent rain into the supply.

This time last year Lake Keepit was struggling at just 12 per cent, and had jumped up to 44 per cent by the time 2021 rolled around.

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Heavy rainfall in the Namoi catchment in the past few days caused the river to surge over the weir in Manilla and downstream into the dam.

It's brought about a noticeable change in the dam level, with the water rising two metres in the past week.

Inflows to the dam have been significant, with more than 37,000ML of the resource running into Keepit between Tuesday and Thursday.

That's the largest inflows for the dam in the past 12 months, and is enough water to fill an Olympic swimming pool more than 14,000 times.

The Namoi River was expected to reach minor flood level in Gunnedah overnight.

Locals tapped into Tamworth town water could soon have restrictions eased to levels not seen in more than two years, after Chaffey Dam cruised past 50 per cent.

The supply had hit 55.4 per cent by Thursday afternoon after more than 11,000ML of water gushed in during the past week.

Quipolly Dam at Quirindi was spilling over the edge after the rain, Malpas Dam at Armidale filled up for the first time in more than three years, Split Rock Dam had risen to 26.7 per cent and Copeton Dam near Inverell hit 36 per cent on Thursday.

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