Luckiamute Domestic Water Coop, OR
Lead detected, under the action levels
Latest 90th-percentile lead: 1.2 ppb (monitoring period 2024-2026). 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.
About Luckiamute Domestic Water Coop
Luckiamute Domestic Water Coop serves about 2,738 people through 1,073 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws surface water, in Polk County, Oregon. EPA system ID: OR4100538; phone on file: 503-838-2075. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
Against the period ending 2023 (2 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Luckiamute Domestic Water Coop is 4 ppb across 7 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 1.2 ppb |
| 2023 | 2 ppb |
| 2020 | 2.4 ppb |
| 2019 | 4 ppb |
| 2018 | 3 ppb |
| 2017 | 3 ppb |
| 2016 | 4 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. Luckiamute Domestic Water Coop's 1.2 ppb sits at the 55th percentile in Oregon and the 59th nationally (higher means more lead).
Neighbouring systems
11 other systems share Polk County; 7 of them have a higher latest lead result than Luckiamute Domestic Water Coop. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Dallas, City Of | 17,911 | 4.3 ppb |
| Monmouth, City Of | 11,651 | 0 (not detected) |
| Independence Water System | 10,300 | 3 ppb |
| Perrydale Domestic Wtr Assn | 2,655 | 0 (not detected) |
| Grand Ronde Community Wtr Assn | 2,500 | 2.3 ppb |
| Rickreall Water Association | 1,650 | 0 (not detected) |
| Falls City, City Of | 1,051 | 1.3 ppb |
| Buell-Red Prairie Wd | 800 | 1.3 ppb |
| Orchard Heights Water Assn | 381 | 1.5 ppb |
| Rock Creek Water District | 300 | 2 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Monmouth, 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 Luckiamute Domestic Water Coop 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.