Mosier, City Of, OR
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2021-2023). 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 Mosier, City Of
Mosier, City Of serves about 468 people through 217 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 groundwater, in Wasco County, Oregon. EPA system ID: OR4100543; phone on file: 541-760-9362. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
Against the period ending 2019 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Mosier, City Of is 0 ppb across 2 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 0 (not detected) |
| 2019 | 0 (not detected) |
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. Mosier, City Of's reported as 0 (not detected) sits at the 29th percentile in Oregon and the 22nd nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
19 other systems share Wasco County; 13 of them have a higher latest lead result than Mosier, City Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| The Dalles, City Of | 13,010 | 0.21 ppb |
| Chenowith Pud | 4,500 | 2.9 ppb |
| Barlow Water District | 900 | 0 (not detected) |
| Young Life | 852 | 8 ppb |
| Dufur, City Of | 610 | 1 ppb |
| Maupin, City Of | 420 | 1 ppb |
| Foley Lakes Mobile Home Park | 300 | 0 (not detected) |
| Hazel Dell Orchard | 260 | 0 (not detected) |
| Tygh Valley Water District | 218 | 1.32 ppb |
| View Point Trailer Court | 160 | 1.09 ppb |
Your move
Look up your address in Mosier, 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 Mosier, 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. A zero today does not rule out a jump later - the rules are tightening in 2027.