Cave Creek Water, AZ
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2022-2024). 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.
Who runs the water here
Cave Creek Water serves about 5,895 people through 2,555 service connections, which makes it a medium-sized system under EPA's size classes. It is privately owned and draws surface water, in Maricopa County, Arizona. EPA system ID: AZ0407016; phone on file: 480-479-9341. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
That is down 4 ppb from 4 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Cave Creek Water is 15 ppb across 10 monitoring periods, none of them over 15 ppb (3 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 0 (not detected) |
| 2021 | 4 ppb |
| 2020 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2019 | 15 ppb over 10 |
| 2018 | 0 (not detected) |
| 2018 | 15 ppb over 10 |
| 2018 | 0 (not detected) |
| 2017 | 15 ppb over 10 |
| 2016 | 1.4 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. Cave Creek Water's reported as 0 (not detected) sits at the 58th percentile in Arizona and the 35th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Maricopa County
99 other systems share Maricopa County; 24 of them have a higher latest lead result than Cave Creek Water. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Phoenix City Of | 1,695,000 | 2.74 ppb |
| Mesa City Of | 466,000 | 5.01 ppb |
| Gilbert, Town Of | 247,600 | 0 (not detected) |
| Chandler City Of | 247,328 | 1.4 ppb |
| Scottsdale City Of | 241,361 | 2.3 ppb |
| Glendale City Of | 234,766 | 2.11 ppb |
| Peoria City Of | 187,676 | 0 (not detected) |
| Tempe City Of | 165,000 | 4.4 ppb |
| Epcor - Agua Fria | 128,040 | 0 (not detected) |
| Avondale City Of | 96,130 | 0 (not detected) |
Next steps for Cave Creek, AZ
Look up your address in Cave Creek Water'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 Cave Creek Water 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. Small systems behave differently: why small systems go over more often.