Stevenson Water Dept, WA
Exceeded the action level in the past
Latest 90th-percentile lead: 2.1 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. 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.
About Stevenson Water Dept
Stevenson Water Dept serves about 4,702 people through 917 service connections, which makes it a medium-sized system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Skamania County, Washington. EPA system ID: WA5384250. Ask the utility on your bill for your address in their service line inventory.
Every lead result on file
That is down 33.9 ppb from 36 ppb in the period ending 2020. The highest 90th-percentile result EPA holds for Stevenson Water Dept is 36 ppb across 3 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 2.1 ppb |
| 2020 | 36 ppb over 15 |
| 2017 | 1.6 ppb |
Where this result ranks
Of the 2,218 Washington systems with a lead result, the median latest reading is 1 ppb; 18 are over 15 ppb right now and 62 have gone over at some point. Stevenson Water Dept's 2.1 ppb sits at the 72nd percentile in Washington and the 74th nationally (higher means more lead).
Nearby utilities
12 other systems share Skamania County; 5 of them have a higher latest lead result than Stevenson Water Dept. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Carson | 3,015 | 1.5 ppb |
| North Bonneville City Of | 1,048 | 3.1 ppb |
| Underwood | 1,000 | 8.5 ppb |
| Home Valley Water District | 500 | 1.2 ppb |
| Mill A Water Co | 278 | 0 (not detected) |
| Skamania Landing Owners Assn | 132 | 28.4 ppb |
| Duggan Falls | 100 | 2.6 ppb |
| Mountain View | 72 | 0 (not detected) |
| Maple Hill Water Services | 62 | 3 ppb |
| Wind River Community | 44 | 0.9 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Stevenson, WA 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 Stevenson Water Dept 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. Why sampled homes are the worst-case ones is in the guide to reading the number. More in what a past exceedance means today.