Tonto Basin Water - Lr Gardens West, AZ
Exceeded the action level in the past
Latest 90th-percentile lead: 8.5 ppb (monitoring period 2026-2026). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Tonto Basin Water - Lr Gardens West at a glance
Tonto Basin Water - Lr Gardens West serves about 1,172 people through 503 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws groundwater, in Gila County, Arizona. EPA system ID: AZ0404047; phone on file: 928-478-6516. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
That is down 23.5 ppb from 32 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Tonto Basin Water - Lr Gardens West is 32 ppb across 6 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 8.5 ppb |
| 2025 | 32 ppb over 15 |
| 2022 | 7.7 ppb |
| 2019 | 7.7 ppb |
| 2016 | 8.1 ppb |
| 2016 | 8.1 ppb |
Where this result ranks
Of the 730 Arizona systems with a lead result, the median latest reading is 0 ppb; 9 are over 15 ppb right now and 58 have gone over at some point. Tonto Basin Water - Lr Gardens West's 8.5 ppb sits at the 96th percentile in Arizona and the 96th nationally (higher means more lead).
Nearby utilities
37 other systems share Gila County; 3 of them have a higher latest lead result than Tonto Basin Water - Lr Gardens West. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Payson Town Of | 17,682 | 3.5 ppb |
| Arizona Water Co - Miami Claypool | 8,616 | 0 (not detected) |
| Pine Strawberry Wid | 8,013 | 13 ppb |
| Globe City Of | 7,536 | 0.68 ppb |
| Town Of Star Valley Water Department | 1,157 | 0 (not detected) |
| Payson Water - Mesa De Caballo | 976 | 0 (not detected) |
| Hayden Town Of | 517 | 0 (not detected) |
| Tonto Basin Water Roosevelt Lake Estates | 508 | 7.5 ppb |
| Gisela | 508 | 0 (not detected) |
| Roosevelt Ranch Rv & Mhp | 430 | 0 (not detected) |
Your move
Test your own tap with a certified lab first-draw sample; Payson, AZ 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 Tonto Basin Water - Lr Gardens West 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. More in what a past exceedance means today.