Liberty Lake Sewer & Water District, WA
Lead detected, under the action levels
Latest 90th-percentile lead: 1.5 ppb (monitoring period 2021-2023). 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.
Who runs the water here
Liberty Lake Sewer & Water District serves about 14,500 people through 5,598 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 Spokane County, Washington. EPA system ID: WA5347150. Ask the utility on your bill for your address in their service line inventory.
Liberty Lake Sewer & Water District's lead record
Against the period ending 2020 (1.2 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Liberty Lake Sewer & Water District is 2.6 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 1.5 ppb |
| 2020 | 1.2 ppb |
| 2017 | 2.6 ppb |
How Liberty Lake Sewer & Water District compares
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. Liberty Lake Sewer & Water District's 1.5 ppb sits at the 61st percentile in Washington and the 64th nationally (higher means more lead).
Other water systems in Spokane County
86 other systems share Spokane County; 27 of them have a higher latest lead result than Liberty Lake Sewer & Water District. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Spokane City Of | 346,138 | 2 ppb |
| Whitworth Water District 2 | 26,883 | 1.3 ppb |
| Vera Water & Power | 24,692 | 20.8 ppb |
| Consolidated Irrig Dist 19 System 2 | 21,220 | 1.3 ppb |
| Spo Co Water Dist 3 Sys 1 | 19,035 | 1.6 ppb |
| Modern Electric Water Co | 18,487 | 0 (not detected) |
| Eastern Washington University | 17,108 | 6.5 ppb |
| Cheney City Of | 16,954 | 1.3 ppb |
| Fairchild Air Force Base | 9,544 | 4.2 ppb |
| Airway Heights City Of | 9,489 | 11.1 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Liberty Lake, 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 Liberty Lake Sewer & Water District 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.