South West Water is freezing prices for homes and businesses next year.
Standard tariffs and standing charges for households and firms will be stay the same until April 2015, the company says.
The Exeter-based company is also proposing to keep average bills frozen in the year after that and below inflation rises until 2020.
Boil water notice for Pensilva and Minions area lifted: http://t.co/yXkAA2tplG
Water supplies are back to normal in parts of Cornwall.
1,500 households in Pensilva and Minions were warned to boil their water before drinking, following problems with the pumps at a service reservoir.
South West Water said water samples had now been given the all clear.
More than 1500 homes in Cornwall are being told they should still boil their tap water before drinking or cooking.
South West Water issued the warning to people in Pensilva and Minions yesterday following problems with the pumps at a service reservoir. The company estimates the precaution will remain in place until Thursday.
1,500 homes in Pensilva and Minions in Cornwall have been told to boil their drinking water.
South West Water said it was because of problems with the pumps at a reservoir.
Showering, flushing the toilet, and washing clothes is safe.
The problem is expected to last until Thursday.
Customers can read more information here.
A £50million water treatment plant could be built to serve Plymouth.
It is just one of the proposals put forward by South West Water, which is to spend £850million on improving the region's water and sewerage services between 2015 and 2020.
Customers and businesses People are being asked to comment on the plans before they are submitted to Ofwat, the water industry regulator, later this year.
Some residents in West Cornwall are being told to boil water before drinking or preparing food for the third day running after a bacteria scare in a nearby reservoir.
More than 1,500 homes near St Ives - towards Nancledra and in the Carbis Bay area - have been given the warning.
The Coliform bug was found at Steeple Service Reservoir.
South West Water said they are working "as rapidly as possible" to resolve the problem.
Residents in the Carbis Bay and Lelant areas have been asked to boil their water.
South West Water said it was concerned over some water quality samples from the Steeple Service Reservoir
The company said properties in St Ives, towards Nancledra and to the west of Carbis Bay and Lelant area are affected.
Affected customers will be notified when supplies return to normal.
The company says:
- Do not drink your water without boiling it and allowing it to cool first.
- Boil and allow to cool any water used for preparation of food (like washing salad) or in cooking food or cleaning teeth.
- It is fine to use the water for: showering, bathing, flushing the toilet, washing clothes.
The government is to extend the £50-a-year rebate to water users in Devon and Cornwall for at least an extra year.
The rebate for South West Water customers was originally intended only for this year and next, but the Chancellor is due to announce in next week's spending review that it will be maintained in the year after that as well, to offset the highest water bills in the country.
The news is welcomed by Camborne and Redruth MP, George Eustice.