Plymouth
Plymouth, MN water profile — supply sources, drought status, wastewater reuse, and the key water issues facing the city.
plymouth
groundwater (wells) · local government · PWSID MN1270044
Below EPA's 15 ppb lead action level at last testing.
Source: EPA Safe Drinking Water Information System (SDWIS) · 2026 Q1
With about 75,907 residents, Plymouth ranks as the 7th-largest city in Minnesota and a small but growing city. Water in Plymouth is sourced chiefly from Mississippi headwaters, lakes, and aquifers, the backbone of Minnesota's supply.
The defining water pressure here mirrors the state's: groundwater depletion. The 'Land of 10,000 Lakes' still faces localized aquifer drawdown around the Twin Cities metro.
Statewide, Minnesota recycles about 4% of its wastewater with minimal reuse programs. Locally, Plymouth faces moderate to severe drought conditions.
The Minnesota state profile covers the regional supply outlook; the issues below detail what's driving Plymouth's water future.
Hennepin County water quality
Source: EPA SDWIS · 2026 Q1
At a glance
- Population ~75,907 (7th-largest in Minnesota)
- Primary sources: Mississippi headwaters, lakes, and aquifers
- Drought: moderate to severe conditions
- State reuse rate: ~4% of wastewater
Statewide drought history
% of Minnesota in severe+ drought (Severe (D2) now).
Source: U.S. Drought Monitor
Common questions
Is tap water safe in Plymouth?
Plymouth's largest water system, Plymouth, serves about 76,546 people. EPA records show 0 health-based violation(s) since 2016 and a most-recent 90th-percentile lead level of 2 ppb (EPA action level is 15 ppb). Always check your own provider's annual Consumer Confidence Report.
Where does Plymouth get its water?
Plymouth draws primarily from groundwater (wells), part of Minnesota's supply from Mississippi headwaters, lakes, aquifers.
Related water issues
Groundwater Depletion
Aquifers from the Central Valley to the Ogallala are being pumped faster than they recharge, causing land subsidence and threatening long-term supply.
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.
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