Warrenton, City Of, OR
Lead detected, under the action levels
Latest 90th-percentile lead: 1.15 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.
Who runs the water here
Warrenton, City Of serves about 9,100 people through 3,737 service connections, which makes it a medium-sized system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Clatsop County, Oregon. EPA system ID: OR4100932; phone on file: 503-738-7809. They can tell you what your service line is made of and whether they pay to replace it.
Warrenton, City Of's lead record
That is down 9.85 ppb from 11 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Warrenton, City Of is 11 ppb across 3 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 1.15 ppb |
| 2021 | 11 ppb over 10 |
| 2018 | 8 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. Warrenton, City Of's 1.15 ppb sits at the 55th percentile in Oregon and the 58th nationally (higher means more lead).
Nearby utilities
20 other systems share Clatsop County; 7 of them have a higher latest lead result than Warrenton, City Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Astoria, City Of | 10,181 | 1.56 ppb |
| Seaside Water Department | 7,482 | 0.71 ppb |
| Youngs River Lewis & Clark Wd | 2,580 | 0 (not detected) |
| Knappa Water Association | 1,800 | 0 (not detected) |
| Gearhart Water Department | 1,780 | 0 (not detected) |
| Cannon Beach, City Of | 1,710 | 0 (not detected) |
| Wickiup Water District | 1,630 | 4 ppb |
| Olney-Walluski Water Assn | 575 | 1 ppb |
| Westport Water Association | 550 | 3.22 ppb |
| Burnside Water Association | 350 | 3 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Warrenton, 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 Warrenton, 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. What a 90th-percentile result does and does not tell you: how to read a lead result. Size matters more than most people expect: small vs large water systems.