Cs Tonto Village Water Company, MO
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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. The latest 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
About Cs Tonto Village Water Company
Cs Tonto Village Water Company serves about 512 people through 200 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws groundwater, in Gila County, Missouri. EPA system ID: AZ0404023; phone on file: 602-698-9786. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
Against the period ending 2022 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Cs Tonto Village Water Company is 5.2 ppb across 6 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2021 | 5.2 ppb |
| 2019 | 2.5 ppb |
| 2016 | 2.5 ppb |
| 2016 | 2.5 ppb |
How Cs Tonto Village Water Company compares
Of the 1,674 Missouri systems with a lead result, the median latest reading is 1.04 ppb; 2 are over 15 ppb right now and 74 have gone over at some point. Cs Tonto Village Water Company's reported as 0 (not detected) sits at the 24th percentile in Missouri and the 23rd nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
2 other systems share Gila County; 2 of them have a higher latest lead result than Cs Tonto Village Water Company. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Cs Christopher Creek Haven | 497 | 3.3 ppb |
| Cs Gardner Water Company | 266 | 0.68 ppb |
Next steps for St. Louis, MO
Look up your address in Cs Tonto Village Water Company's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Cs Tonto Village Water Company 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. A zero today does not rule out a jump later - the rules are tightening in 2027.