Tigard
Tigard, OR water profile — supply sources, drought status, wastewater reuse, and the key water issues facing the city.
tigard, city of
surface water (rivers/reservoirs) · local government · PWSID OR4100878
Below EPA's 15 ppb lead action level at last testing.
Source: EPA Safe Drinking Water Information System (SDWIS) · 2026 Q1
Tigard, OR is a small but growing city, with a population near 51,253 and the 12th-largest community in Oregon. Like much of Oregon, Tigard draws its water primarily from Cascade snowpack, Willamette River, Columbia River, and groundwater.
Tigard's water outlook is shaped most by drought — the issue that dominates planning across Oregon. The wet west and arid east create a split state; the Klamath Basin is a flashpoint for water allocation.
Tigard sits in a state that reuses roughly 12% of treated wastewater (developing programs) and currently experiences severe to extreme drought.
For the bigger picture, see the Oregon state water profile and the related issues below.
Washington County water quality
Source: EPA SDWIS · 2026 Q1
At a glance
- Population ~51,253 (12th-largest in Oregon)
- Primary sources: Cascade snowpack, Willamette River, Columbia River, and groundwater
- Drought: severe to extreme conditions
- State reuse rate: ~12% of wastewater
Statewide drought history
% of Oregon in severe+ drought (Extreme (D3) now).
Source: U.S. Drought Monitor
Common questions
Is tap water safe in Tigard?
Tigard's largest water system, TIGARD, CITY OF, serves about 62,500 people. EPA records show 0 health-based violation(s) since 2016 and a most-recent 90th-percentile lead level of 0.9 ppb (EPA action level is 15 ppb). Always check your own provider's annual Consumer Confidence Report.
Where does Tigard get its water?
TIGARD, CITY OF draws primarily from surface water (rivers/reservoirs), part of Oregon's supply from Cascade snowpack, Willamette River, Columbia River.
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.
ExploreGroundwater Depletion
Aquifers from the Central Valley to the Ogallala are being pumped faster than they recharge, causing land subsidence and threatening long-term supply.
ExplorePotable Reuse
Advanced purification turns treated wastewater into water that meets or exceeds drinking-water standards — increasingly essential in water-stressed regions.
Explore