Irrigon, City Of, OR
Lead detected, under the action levels
Latest 90th-percentile lead: 2 ppb (monitoring period 2026-2028). 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 Irrigon, City Of
Irrigon, City Of serves about 2,133 people through 720 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 Morrow County, Oregon. EPA system ID: OR4100403; phone on file: 541-922-3047. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
That is down 2 ppb from 4 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Irrigon, City Of is 9 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2028 | 2 ppb |
| 2025 | 4 ppb |
| 2022 | 2 ppb |
| 2019 | 9 ppb |
| 2016 | 3.3 ppb |
How Irrigon, 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. Irrigon, City Of's 2 ppb sits at the 70th percentile in Oregon and the 72nd nationally (higher means more lead).
Other water systems in Morrow County
7 other systems share Morrow County; 0 of them have a higher latest lead result than Irrigon, City Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Boardman, City Of | 5,749 | 0 (not detected) |
| Heppner, City Of | 1,187 | 0.54 ppb |
| Ione, City Of | 330 | 1 ppb |
| Lexington, Town Of | 255 | 0 (not detected) |
| Country Garden Estates Mhp | 175 | 0 (not detected) |
| Green Acres | 97 | 0 (not detected) |
| Black Mountain Water District | 43 | 1 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Irrigon, 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 Irrigon, 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.