Arizona Water Co - Overgaard, AZ
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.
Arizona Water Co - Overgaard at a glance
Arizona Water Co - Overgaard serves about 13,797 people through 4,534 service connections, which makes it a large system under EPA's size classes. It is privately owned and draws groundwater, in Navajo County, Arizona. EPA system ID: AZ0409004; phone on file: 602-206-3765. 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 Arizona Water Co - Overgaard is 3.9 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2016 | 3.9 ppb |
How Arizona Water Co - Overgaard compares
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. Arizona Water Co - Overgaard's reported as 0 (not detected) sits at the 62nd percentile in Arizona and the 38th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Navajo County
39 other systems share Navajo County; 17 of them have a higher latest lead result than Arizona Water Co - Overgaard. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Show Low | 17,139 | 0 (not detected) |
| Arizona Water Co - Lakeside | 12,191 | 7.8 ppb |
| Winslow City Of | 9,789 | 0 (not detected) |
| Snowflake Town Of | 5,590 | 1.7 ppb |
| Ponderosa Dwid | 5,375 | 0 (not detected) |
| Holbrook City Of | 4,833 | 0 (not detected) |
| Town Of Taylor | 4,190 | 0 (not detected) |
| Arizona Water Co - Pinetop Lakes | 3,558 | 0 (not detected) |
| Pinetop Water Community Facilities Dist | 3,250 | 10 ppb |
| Voyager At White Mountain Lakes Wc | 1,997 | 0 (not detected) |
Your move
Look up your address in Arizona Water Co - Overgaard'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 Arizona Water Co - Overgaard 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.