Aldridge Ditch Co Ws, OR
Above the new 10 ppb level coming in 2027
Latest 90th-percentile lead: 10.2 ppb (monitoring period 2023-2025). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Under the current 15 ppb rule this is not an exceedance, but it is above the 10 ppb action level that takes over in Nov 2027. Test your own tap; filter if your result shows lead.
Who runs the water here
Aldridge Ditch Co Ws serves about 88 people through 44 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Hood River County, Oregon. EPA system ID: OR4101013; phone on file: 503-754-4318. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
That is up 8.2 ppb from 2 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Aldridge Ditch Co Ws is 10.2 ppb across 11 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 10.2 ppb over 10 |
| 2022 | 2 ppb |
| 2021 | 3.6 ppb |
| 2020 | 2.2 ppb |
| 2019 | 2.6 ppb |
| 2019 | 2.6 ppb |
| 2018 | 3.3 ppb |
| 2018 | 3.3 ppb |
| 2017 | 9.6 ppb |
| 2017 | 6.7 ppb |
| 2016 | 9.1 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. Aldridge Ditch Co Ws's 10.2 ppb sits at the 97th percentile in Oregon and the 97th nationally (higher means more lead).
Other water systems in Hood River County
5 other systems share Hood River County; 0 of them have a higher latest lead result than Aldridge Ditch Co Ws. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Hood River, City Of | 8,577 | 1.7 ppb |
| Ice Fountain Water District | 6,000 | 1.11 ppb |
| Crystal Springs Water District | 5,973 | 3.3 ppb |
| Cascade Locks, City Of | 1,398 | 0 (not detected) |
| Parkdale Water Company Inc | 867 | 5 ppb |
Next steps for Hood River, OR
Test your own tap with a certified lab first-draw sample; Hood River, 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 Aldridge Ditch Co Ws 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. This system is in the band the 2027 10 ppb rule changes.