1. Residents' domestic water fee is calculated at 2.75 yuan per ton, and settled by water consumption every month. Minimum charge 10 yuan, and the part exceeding the monthly water consumption is calculated at the price of 2.75 yuan per ton.
2. Non-resident water charges are calculated according to 3.5 yuan per ton, and settled according to water consumption every month. The lowest charge is 50 yuan, and the part that exceeds the monthly water consumption is calculated at the price of 2.75 yuan/ton.