There is now no sign of E. coli in the Doyleston water supply.
The Selwyn District Council has received enough test results to show the water is clear of E. coli and safe to drink.
A district council spokesman said: "The council wishes to thank residents for their patience while the notice was in place."
The boil water notice was put in place on November 13 after test results showed E. coli levels were above the recommended level in the Doyleston water supply.
Residents connected to the Leeston water supply also no longer need to boil their water.
If you have any questions about boiling your water, phone 03 347 2800 or 03 318 8338.
