Storm Water Metrics

Storm water is any form of precipitation, such as rainfall and snowmelt, which flows across the surface of the ground. Storm water that does not soak into the ground becomes surface runoff, which flows into storm sewers, surface waterways, or receiving streams.


For more information on the City of Lewisville’s Storm Water Program, contact the Department of Public Services, Storm Water Division at 972.219.3507. Together, we can help ensure an abundant supply of clean water for years to come.

Learn more about Storm Water Utility

Avg. Storm Water Fee Commercial Payment

Percent of Storm Water Fee Revenue from Commercial Accounts

Percent of Storm Water Fee Revenue from Residential Accounts

The average percentage of storm water fee revenue, between commercial and residential accounts, looking at the past year.

Single-Family Residential will be charged per Equivalent Residential Unit (ERU). The current Single-Family Residential rate per ERU is $4 per month. The rate for Non-Single-Family Properties is $1.43 per 1000 square feet of impervious area per month.

To find your calculated impervious area use one of our tools.

Search by Account

View Impervious Area on a map per parcel

Stormwater/Drainage - Funding Received for Capital Projects

Total stormwater fee (based on impervious surface) revenue collected over the past 365 days.