Arrowhead Mobile Home Park, OR
Lead detected, under the action levels
Latest 90th-percentile lead: 1 ppb (monitoring period 2022-2024). 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.
Arrowhead Mobile Home Park at a glance
Arrowhead Mobile Home Park serves about 220 people through 155 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Marion County, Oregon. EPA system ID: OR4100770; phone on file: 503-554-8333. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
That is down 2.2 ppb from 3.2 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Arrowhead Mobile Home Park is 3.2 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 1 ppb |
| 2021 | 3.2 ppb |
| 2018 | 1.6 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. Arrowhead Mobile Home Park's 1 ppb sits at the 51st percentile in Oregon and the 52nd nationally (higher means more lead).
Nearby utilities
71 other systems share Marion County; 30 of them have a higher latest lead result than Arrowhead Mobile Home Park. 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 Newberg, OR
Test your own tap with a certified lab first-draw sample; Newberg, 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 Arrowhead Mobile Home Park 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. Systems that went over once often dip back under; here is what that means.