Ridgeview Park Estates, WA
Lead detected, under the action levels
Latest 90th-percentile lead: 0.6 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.
Ridgeview Park Estates at a glance
Ridgeview Park Estates serves about 30 people through 13 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Spokane County, Washington. EPA system ID: WA5304828. Ask the utility on your bill for your address in their service line inventory.
Every lead result on file
That is down 1.9 ppb from 2.5 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Ridgeview Park Estates is 14 ppb across 6 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0.6 ppb |
| 2022 | 2.5 ppb |
| 2019 | 3.2 ppb |
| 2018 | 2.6 ppb |
| 2017 | 14 ppb over 10 |
| 2017 | 1.8 ppb |
How Ridgeview Park Estates 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. Ridgeview Park Estates's 0.6 ppb sits at the 38th percentile in Washington and the 44th nationally (higher means more lead).
Nearby utilities
86 other systems share Spokane County; 48 of them have a higher latest lead result than Ridgeview Park Estates. 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 |
| Liberty Lake Sewer & Water District | 14,500 | 1.5 ppb |
| Fairchild Air Force Base | 9,544 | 4.2 ppb |
Next steps for Spokane, WA
Test your own tap with a certified lab first-draw sample; Spokane, 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 Ridgeview Park Estates 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. The lead result guide covers how utilities pick the homes they sample. Size matters more than most people expect: small vs large water systems.