Cost of Watering your Lawn

We have had a dry winter followed by a dry spring and the experts are predicting a dry summer. Supplementing low rainfall rates by watering ensures the beauty and health of our lawns, gardens, trees and shrubs. During dry periods, it is even important to maintain constant soil moisture levels around the house in order to retard soil expansion/contraction, which can seriously damage foundations.

Our area is fortunate in that we have the mighty Missouri River to supply as much water as we can use. There is no shortage of fresh water for the Kansas City area. Whatever water we do not take from the river flows into the Mississippi River and on to the Gulf of Mexico. No one downstream of Kansas City is being deprived by our use of water.

The problem that may arise is one of distribution. If the water distribution system cannot supply the demand, then the system must be enlarged with expanded treatment facilities plus additional pumping stations and more water lines. These expenses are passed on to the water consumer, usually in the form of higher rates. The point of this is that while we may have to accommodate distribution problems, there is no actual shortage of water in our area.

The cost of residential water in Kansas City, MO, and in Johnson County, KS varies with the amount used. For simplicity, only the maximum rates are considered here.


Johnson County Water District #1

The maximum cost of applying 1.0 inches of water to an area of 1000 square feet is $2.02. In the absence of rainfall, we recommend two waterings per week with 0.5 inches of water applied each time. Thus, the maximum weekly cost is $2.02 for each 1000 square feet of lawn area. For a 5000 square feet lawn, the cost would be 5.0 X 2.02 = $10.10 per week. This comes to $40.40 per month, or, $121.20 for three months of summer, assuming NO rain at all! By knowing the area of your lawn, you may estimate the maximum cost of maintaining good soil moisture.

weekly cost of watering your lawn =[Lawn area (square feet)] X $2.02/1000


Kansas City, MO Water Services

The maximum cost of applying 1.0 inches of water to an area of 1000 square feet is $2.40, which includes the sewer charge. In the absence of rainfall, we recommend two waterings per week with 0.5 inches of water applied each time. Thus, the maximum weekly cost is $2.40 for each 1000 square feet of lawn area. For a 5000 square feet lawn, the cost would be 5.0 X 2.40 = $12.00 per week. This comes to $48.00 per month, or, $144.00 for three months of summer, assuming NO rain at all! By knowing the area of your lawn, you may estimate the maximum cost of maintaining good soil moisture.

weekly cost of watering your lawn = [Lawn area (square feet)] X $2.40/1000


Please note that the cost of rebuilding a dead lawn may far exceed the cost of the water required to save it! Also, if you do re-seed the lawn, it must be watered every day for good results. So, you'll still use water, and, it may take one or two years to build the lawn back to its former condition.
Proper watering is a good investment in maintaining and improving the quality of your property.