Cascade Locks, City Of, OR
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
About Cascade Locks, City Of
Cascade Locks, City Of serves about 1,398 people through 599 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Hood River County, Oregon. EPA system ID: OR4100172; phone on file: 541-374-8484. 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 2025 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Cascade Locks, City Of is 5.6 ppb across 17 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2025 | 0 (not detected) |
| 2024 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2022 | 2.7 ppb |
| 2021 | 3.7 ppb |
| 2021 | 1.6 ppb |
| 2020 | 1.9 ppb |
| 2020 | 2.6 ppb |
| 2019 | 5 ppb |
| 2019 | 2.2 ppb |
| 2018 | 3.4 ppb |
| 2017 | 3.2 ppb |
| 2016 | 5.6 ppb |
| 2016 | 2.8 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. Cascade Locks, City Of's reported as 0 (not detected) sits at the 32nd percentile in Oregon and the 29th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Hood River County
5 other systems share Hood River County; 5 of them have a higher latest lead result than Cascade Locks, City Of. 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 |
| Parkdale Water Company Inc | 867 | 5 ppb |
| Aldridge Ditch Co Ws | 88 | 10.2 ppb |
Next steps for Cascade Locks, OR
Look up your address in Cascade Locks, City Of's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Cascade Locks, City Of whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1400 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. A zero today does not rule out a jump later - the rules are tightening in 2027.