Gates, City Of, OR
Exceeded the action level in the past
Latest 90th-percentile lead: 2.14 ppb (monitoring period 2026-2026). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Gates, City Of at a glance
Gates, City Of serves about 458 people through 248 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Marion County, Oregon. EPA system ID: OR4100317; phone on file: 503-897-2669. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
That is down 9.76 ppb from 11.9 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Gates, City Of is 22.2 ppb across 8 monitoring periods, 2 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 2.14 ppb |
| 2025 | 11.9 ppb over 10 |
| 2025 | 6.17 ppb |
| 2024 | 20.6 ppb over 15 |
| 2021 | 1.01 ppb |
| 2018 | 2.55 ppb |
| 2018 | 3.01 ppb |
| 2017 | 22.2 ppb over 15 |
How Gates, City Of compares
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. Gates, City Of's 2.14 ppb sits at the 72nd percentile in Oregon and the 74th nationally (higher means more lead).
Other water systems in Marion County
71 other systems share Marion County; 19 of them have a higher latest lead result than Gates, 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) |
Next steps for Gates, OR
Test your own tap with a certified lab first-draw sample; Gates, 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 Gates, 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. What a 90th-percentile result does and does not tell you: how to read a lead result. More in what a past exceedance means today.