Sequim City Of, WA
Lead detected, under the action levels
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. 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 Sequim City Of
Sequim City Of serves about 14,293 people through 4,453 service connections, which makes it a large system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Clallam County, Washington. EPA system ID: WA5377620. Ask the utility on your bill for your address in their service line inventory.
Every lead result on file
Against the period ending 2022 (2.5 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Sequim City Of is 9 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 2.1 ppb |
| 2022 | 2.5 ppb |
| 2019 | 9 ppb |
| 2016 | 5 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. Sequim City Of's 2.1 ppb sits at the 72nd percentile in Washington and the 74th nationally (higher means more lead).
Neighbouring systems
61 other systems share Clallam County; 15 of them have a higher latest lead result than Sequim City Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Port Angeles City Of | 28,067 | 2 ppb |
| Port Angeles Composite | 8,872 | 1.6 ppb |
| Forks Municipal Water Dept | 3,468 | 2 ppb |
| Dry Creek Water Association | 3,030 | 5 ppb |
| West Sequim Bay Inc | 2,759 | 1 ppb |
| Crescent Water Assn | 2,360 | 0 (not detected) |
| Sunland Water District | 2,235 | 5 ppb |
| Clallam Bay Sekiu | 1,719 | 1.8 ppb |
| Evergreen Clallam County Pud 1 | 1,694 | 2.3 ppb |
| Carlsborg Lud 10 12 13 14 | 1,349 | 2.4 ppb |
Next steps for Sequim, WA
Test your own tap with a certified lab first-draw sample; Sequim, 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 Sequim City Of 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. The action level is dropping - the 10 ppb rule from 2027.