Weston, City Of, OR
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2023-2025). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
About Weston, City Of
Weston, City Of serves about 714 people through 317 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 Umatilla County, Oregon. EPA system ID: OR4100949; phone on file: 541-310-8978. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Weston, City Of's lead record
That is down 1.34 ppb from 1.34 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Weston, City Of is 1.85 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 1.34 ppb |
| 2019 | 1.85 ppb |
| 2016 | 1.07 ppb |
How Weston, 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. Weston, City Of's reported as 0 (not detected) sits at the 30th percentile in Oregon and the 25th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Umatilla County
30 other systems share Umatilla County; 17 of them have a higher latest lead result than Weston, City Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Hermiston, City Of | 20,000 | 2 ppb |
| Pendleton, City Of | 16,996 | 3 ppb |
| Umatilla, City Of | 8,256 | 0 (not detected) |
| Milton-Freewater, City Of | 7,145 | 2 ppb |
| Stanfield, City Of | 2,115 | 2 ppb |
| Pilot Rock, City Of | 1,326 | 0 (not detected) |
| Athena, City Of | 1,238 | 1.76 ppb |
| Echo, City Of | 632 | 0 (not detected) |
| Adams Water Dept, City Of | 400 | 2 ppb |
| Vista Home Park | 300 | 5 ppb |
Next steps for Weston, OR
Look up your address in Weston, City Of's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Weston, 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. The lead result guide covers how utilities pick the homes they sample. Small systems behave differently: why small systems go over more often.