Alpharetta
Alpharetta, GA water profile — supply sources, drought status, wastewater reuse, and the key water issues facing the city.
north fulton county
surface water (rivers/reservoirs) · local government · PWSID GA1210005
Below EPA's 15 ppb lead action level at last testing.
Source: EPA Safe Drinking Water Information System (SDWIS) · 2026 Q1
With about 63,693 residents, Alpharetta ranks as the 11th-largest city in Georgia and a small but growing city. Water in Alpharetta is sourced chiefly from Chattahoochee River, Lake Lanier, and Floridan aquifer, the backbone of Georgia's supply.
The defining water pressure here mirrors the state's: drought. Decades of 'water wars' litigation with Alabama and Florida over the Chattahoochee shape metro Atlanta's supply planning.
Statewide, Georgia recycles about 11% of its wastewater with developing reuse programs. Locally, Alpharetta faces severe to extreme drought conditions.
The Georgia state profile covers the regional supply outlook; the issues below detail what's driving Alpharetta's water future.
Fulton County water quality
Source: EPA SDWIS · 2026 Q1
At a glance
- Population ~63,693 (11th-largest in Georgia)
- Primary sources: Chattahoochee River, Lake Lanier, and Floridan aquifer
- Drought: severe to extreme conditions
- State reuse rate: ~11% of wastewater
Statewide drought history
% of Georgia in severe+ drought (Extreme (D3) now).
Source: U.S. Drought Monitor
Common questions
Is tap water safe in Alpharetta?
Alpharetta's largest water system, NORTH FULTON COUNTY, serves about 434,517 people. EPA records show 0 health-based violation(s) since 2016 and a most-recent 90th-percentile lead level of 1.6 ppb (EPA action level is 15 ppb). Always check your own provider's annual Consumer Confidence Report.
Where does Alpharetta get its water?
NORTH FULTON COUNTY draws primarily from surface water (rivers/reservoirs), part of Georgia's supply from Chattahoochee River, Lake Lanier, Floridan aquifer.
Related water issues
Drought
Much of the American West is in a multi-decade dry period that researchers describe as the most severe in over a millennium, reshaping how communities plan for water.
ExploreAgricultural Demand
Agriculture accounts for the majority of consumptive water use in the West, making farm efficiency and water markets central to any supply solution.
ExploreAging Infrastructure
Much of America's water infrastructure is decades past its design life, leaking trillions of gallons a year and demanding hundreds of billions in reinvestment.
Explore