mike: the lake supplies manchester waterworks, the states largest water supply system, serving 160,000 in the city and surrounding communities. restriction, the board of water commissioners are now asking people to voluntarily limit their outdoor water use. >> it is important to conserve water and not be wasteful. mike: the city says the lake's water level is four feet below normal. but officials say the supply is not a critical level to prompt more serious restrictions. they are asking people to reduce their water use. >> couple people are ready, turn off your automatic irrigation systems. mike: city leaders are as -- are also asking people to conserve water indoors. >> people are cooperative. mike: the developments do not come as a surprise to the people in manchester. >> i was a little shocked that they did not do this earlier. >> a little disappointing. keep monitoring the situation, not ruling out any mandatory restrictions if the trend continues. or now, they are asking people to be smart in hopes that the water level returns to normal by the spring. tom: drought conditions are r