Sunvale Acres 4th Add Water System, WA
Lead detected, under the action levels
Latest 90th-percentile lead: 4.3 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
Sunvale Acres 4th Add Water System serves about 56 people through 65 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Pend Oreille County, Washington. EPA system ID: WA5386294. Ask the utility on your bill for your address in their service line inventory.
Every lead result on file
That is up 1.8 ppb from 2.5 ppb in the period ending 2020. The highest 90th-percentile result EPA holds for Sunvale Acres 4th Add Water System is 10.4 ppb across 3 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 4.3 ppb |
| 2020 | 2.5 ppb |
| 2017 | 10.4 ppb over 10 |
How Sunvale Acres 4th Add Water System 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. Sunvale Acres 4th Add Water System's 4.3 ppb sits at the 89th percentile in Washington and the 89th nationally (higher means more lead).
Neighbouring systems
14 other systems share Pend Oreille County; 0 of them have a higher latest lead result than Sunvale Acres 4th Add Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Newport City Of | 3,331 | 0 (not detected) |
| Ione Water Dept | 2,395 | 1.2 ppb |
| Diamond Lake Water & Sewer District | 1,299 | 2.2 ppb |
| Cusick Town Of | 672 | 3.2 ppb |
| Metaline Falls Town Of | 593 | 0 (not detected) |
| Metaline Water Dept | 193 | 0 (not detected) |
| Chippewa Water District | 185 | 0 (not detected) |
| River Bend Water System | 140 | 0.5 ppb |
| Sandy Shore & Sunnyside Meadows | 83 | 0 (not detected) |
| Lenora Water And Sewer District | 75 | 2 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Newport, 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 Sunvale Acres 4th Add Water System 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. Size matters more than most people expect: small vs large water systems.