Southfield
Southfield, MI water profile — supply sources, drought status, wastewater reuse, and the key water issues facing the city.
southfield
surface water (rivers/reservoirs) · local government · PWSID MI0006160
Below EPA's 15 ppb lead action level at last testing.
Source: EPA Safe Drinking Water Information System (SDWIS) · 2026 Q1
Southfield is a small but growing city and the 20th-largest in Michigan, home to roughly 73,156 residents. Southfield's drinking water comes largely from the same regional sources that serve Michigan: Great Lakes and inland aquifers.
As elsewhere in Michigan, the central challenge is aging infrastructure. Surrounded by the Great Lakes, Michigan's defining issues are infrastructure trust after the Flint crisis and widespread PFAS sites.
Michigan reuses an estimated 3% of its treated wastewater and maintains minimal reuse programs; Southfield tracks no meaningful drought conditions on the U.S. Drought Monitor scale.
Explore the Michigan profile for statewide context, or dig into the water issues shaping Southfield below.
Oakland County water quality
Source: EPA SDWIS · 2026 Q1
At a glance
- Population ~73,156 (20th-largest in Michigan)
- Primary sources: Great Lakes and inland aquifers
- Drought: no meaningful conditions
- State reuse rate: ~3% of wastewater
Common questions
Is tap water safe in Southfield?
Southfield's largest water system, SOUTHFIELD, serves about 71,739 people. EPA records show 0 health-based violation(s) since 2016 and a most-recent 90th-percentile lead level of 0 ppb (EPA action level is 15 ppb). Always check your own provider's annual Consumer Confidence Report.
Where does Southfield get its water?
SOUTHFIELD draws primarily from surface water (rivers/reservoirs), part of Michigan's supply from Great Lakes, inland aquifers.
Related water issues
Aging 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.
ExplorePFAS Contamination
Per- and polyfluoroalkyl substances persist in water supplies for decades. New federal limits are forcing utilities nationwide to invest in advanced treatment.
ExploreLead Contamination
Millions of lead service lines still connect homes to water mains. After Flint, a national push — backed by new EPA rules — aims to rip them all out.
ExploreAlgal Blooms
Nutrient pollution and warming water are fueling toxic algae outbreaks that can shut down drinking-water intakes — as Toledo learned in 2014.
Explore