Jackson Creek Water Association, OR
Lead detected, under the action levels
Latest 90th-percentile lead: 1.5 ppb (monitoring period 2026-2026). 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
Jackson Creek Water Association serves about 39 people through 17 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Benton County, Oregon. EPA system ID: OR4100977; phone on file: 541-908-0523. They can tell you what your service line is made of and whether they pay to replace it.
Jackson Creek Water Association's lead record
Against the period ending 2025 (0.8 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Jackson Creek Water Association is 6.52 ppb across 10 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 1.5 ppb |
| 2025 | 0.8 ppb |
| 2024 | 2.2 ppb |
| 2024 | 2 ppb |
| 2023 | 5.5 ppb |
| 2022 | 2.3 ppb |
| 2021 | 3.6 ppb |
| 2020 | 2 ppb |
| 2019 | 6.52 ppb |
| 2016 | 1.77 ppb |
Against other Oregon systems
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. Jackson Creek Water Association's 1.5 ppb sits at the 60th percentile in Oregon and the 63rd nationally (higher means more lead).
Other water systems in Benton County
14 other systems share Benton County; 8 of them have a higher latest lead result than Jackson Creek Water Association. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Corvallis, City Of | 61,468 | 1.9 ppb |
| Philomath Public Works | 4,670 | 3.3 ppb |
| Adair Village Water System | 875 | 1.9 ppb |
| Monroe, City Of | 723 | 1.5 ppb |
| Knoll Terrace Park | 452 | 1.1 ppb |
| Vineyard Mountain Water | 325 | 4.56 ppb |
| Alsea County Service District | 202 | 3.2 ppb |
| Fir View Water Company | 150 | 4.2 ppb |
| Columbia Place Llc | 125 | 0 (not detected) |
| Cascade View Estates | 113 | 0 (not detected) |
Next steps for Corvallis, OR
Test your own tap with a certified lab first-draw sample; Corvallis, 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 Jackson Creek Water Association whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1740 ppb (copper action level 1,300 ppb).
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. The action level is dropping - the 10 ppb rule from 2027.