Aurora, City Of, OR
Lead detected, under the action levels
Latest 90th-percentile lead: 7.5 ppb (monitoring period 2024-2026). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
Who runs the water here
Aurora, City Of serves about 1,133 people through 486 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Marion County, Oregon. EPA system ID: OR4100067; phone on file: 971-930-3597. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Aurora, City Of's lead record
That is up 4 ppb from 3.5 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for Aurora, City Of is 7.5 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 7.5 ppb |
| 2023 | 3.5 ppb |
| 2020 | 4.8 ppb |
| 2017 | 1.3 ppb |
| 2016 | 5.8 ppb |
Where this result ranks
Of the 909 Oregon systems with a lead result, the median latest reading is 1 ppb; 15 are over 15 ppb right now and 71 have gone over at some point. Aurora, City Of's 7.5 ppb sits at the 95th percentile in Oregon and the 95th nationally (higher means more lead).
Other water systems in Marion County
71 other systems share Marion County; 3 of them have a higher latest lead result than Aurora, City Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Salem Public Works | 199,820 | 2 ppb |
| Keizer, City Of | 38,585 | 0 (not detected) |
| Woodburn, City Of | 29,455 | 3.4 ppb |
| Suburban East Salem Wd | 13,900 | 4.5 ppb |
| Silverton, City Of | 10,484 | 0 (not detected) |
| City Of Stayton | 8,400 | 6 ppb |
| Aumsville, City Of | 4,125 | 0 (not detected) |
| Mount Angel, City Of | 3,650 | 6.2 ppb |
| Hubbard, City Of | 3,478 | 0 (not detected) |
| Jefferson, City Of | 3,348 | 0 (not detected) |
Your move
Test your own tap with a certified lab first-draw sample; Aurora, OR may offer free or low-cost kits through the utility. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Aurora, City Of whether it covers that cost before hiring anyone - many utilities now do.
These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. Why sampled homes are the worst-case ones is in the guide to reading the number. Systems that went over once often dip back under; here is what that means.