Current Water Supply Sources in the Tampa Bay Region

Current Drinking Water Sources

Tampa Bay Water is the only utility in the United States that takes advantage of a distinct blend of three sources to deliver affordable, high-quality drinking water to the 2.5 million businesses and residents it serves. The charts below show how much water we are delivering to the Tampa Bay region, from each of our three sources.

In general, Tampa Bay Water delivers 10 percent desalinated seawater, 30 percent river water and 60 percent groundwater to the residents and businesses in Tampa Bay. Depending on the time of the year and availability, these percentages will vary. For specific information on current sources of drinking water please contact 727-796-2355 or feedback at tampa bay water dot org.

Production Data

Values in Million Gallons Per Day (MGD)


March 2021

Groundwater: 117.6
Surface Water: 60.4
Desalination: 15.6


Fiscal Year to Date

Groundwater: 101.7
Surface Water: 73
Desalination: 7.1


Consolidated Wellfield 12
Month Running Average

79.25 MGD