John Day, City Of, OR
Lead detected, under the action levels
Latest 90th-percentile lead: 1.7 ppb (monitoring period 2025-2027). 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.
About John Day, City Of
John Day, City Of serves about 1,617 people through 876 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 Grant County, Oregon. EPA system ID: OR4100410; phone on file: 541-575-0028. They can tell you what your service line is made of and whether they pay to replace it.
John Day, City Of's lead record
Against the period ending 2024 (1.36 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for John Day, City Of is 1.91 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2027 | 1.7 ppb |
| 2024 | 1.36 ppb |
| 2021 | 1.91 ppb |
| 2018 | 1.68 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. John Day, City Of's 1.7 ppb sits at the 63rd percentile in Oregon and the 66th nationally (higher means more lead).
Nearby utilities
7 other systems share Grant County; 2 of them have a higher latest lead result than John Day, City Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Prairie City | 841 | 1.43 ppb |
| Canyon City Water Department | 666 | 1.86 ppb |
| Mount Vernon, City Of | 510 | 1.25 ppb |
| Seneca, City Of | 200 | 1.05 ppb |
| Long Creek, City Of | 173 | 2.12 ppb |
| Dayville, City Of | 155 | 1.28 ppb |
| Monument, City Of | 115 | 0.91 ppb |
Next steps for John Day, OR
Test your own tap with a certified lab first-draw sample; John Day, 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 John Day, 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. The action level is dropping - the 10 ppb rule from 2027.