Desert Canyon Domestic Water System, WA
Lead detected, under the action levels
Latest 90th-percentile lead: 2.9 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 Desert Canyon Domestic Water System
Desert Canyon Domestic Water System serves about 292 people through 136 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Douglas County, Washington. EPA system ID: WA5302498. Ask the utility on your bill for your address in their service line inventory.
Desert Canyon Domestic Water System's lead record
Against the period ending 2022 (2.4 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Desert Canyon Domestic Water System is 2.9 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 2.9 ppb |
| 2022 | 2.4 ppb |
| 2019 | 1.5 ppb |
| 2016 | 2.5 ppb |
How Desert Canyon Domestic 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. Desert Canyon Domestic Water System's 2.9 ppb sits at the 80th percentile in Washington and the 80th nationally (higher means more lead).
Neighbouring systems
17 other systems share Douglas County; 2 of them have a higher latest lead result than Desert Canyon Domestic Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| East Wenatchee Water District | 26,519 | 0 (not detected) |
| Rock Island Water Dept City Of | 3,226 | 1 ppb |
| Bridgeport City Of | 2,214 | 5.4 ppb |
| Waterville Town Of | 1,140 | 0 (not detected) |
| Sun Cove Public Water System | 716 | 0.9 ppb |
| Mansfield Water System | 380 | 0 (not detected) |
| Corral Springs Water System | 336 | 2.1 ppb |
| Greater Bar Water District | 330 | 0 (not detected) |
| Crane Ranch | 329 | 0 (not detected) |
| Cro Farms Inc | 297 | 2.8 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Orondo, 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 Desert Canyon Domestic 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. What a 90th-percentile result does and does not tell you: how to read a lead result. Size matters more than most people expect: small vs large water systems.