Alderwood Water Dev Co, OR
Exceeded the action level in the past
Latest 90th-percentile lead: 1.1 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. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Alderwood Water Dev Co at a glance
Alderwood Water Dev Co serves about 34 people through 18 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws surface water, in Lane County, Oregon. EPA system ID: OR4100304; phone on file: 541-342-1718. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Alderwood Water Dev Co's lead record
Against the period ending 2025 (1.01 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Alderwood Water Dev Co is 82 ppb across 7 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 1.1 ppb |
| 2025 | 1.01 ppb |
| 2025 | 0 (not detected) |
| 2024 | 82 ppb over 15 |
| 2022 | 3.3 ppb |
| 2019 | 3.22 ppb |
| 2016 | 10.9 ppb over 10 |
How Alderwood Water Dev Co 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. Alderwood Water Dev Co's 1.1 ppb sits at the 53rd percentile in Oregon and the 56th nationally (higher means more lead).
Other water systems in Lane County
71 other systems share Lane County; 36 of them have a higher latest lead result than Alderwood Water Dev Co. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Eugene Water & Electric Board | 176,000 | 4.5 ppb |
| Springfield Utility Board | 62,100 | 2.84 ppb |
| Cottage Grove, City Of | 10,879 | 8 ppb |
| Florence, City Of | 9,561 | 3.22 ppb |
| Junction City Water Utilities | 7,000 | 1.3 ppb |
| Rainbow Water District | 6,300 | 2.1 ppb |
| Creswell, City Of | 5,585 | 3.43 ppb |
| Veneta, City Of | 5,200 | 1.92 ppb |
| Heceta Water Peoples Utility District | 4,921 | 0 (not detected) |
| Oakridge, City Of | 3,200 | 14.2 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Eugene, 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 Alderwood Water Dev Co whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1440 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. More in what a past exceedance means today.