Sky Hi Dwid, AZ
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2021-2023). 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.
Sky Hi Dwid at a glance
Sky Hi Dwid serves about 390 people through 160 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Navajo County, Arizona. EPA system ID: AZ0409028; phone on file: 928-367-6621. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
Against the period ending 2022 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Sky Hi Dwid is 1.2 ppb across 11 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2019 | 0.6 ppb |
| 2017 | 0.6 ppb |
| 2017 | 0.6 ppb |
| 2017 | 0.6 ppb |
| 2016 | 1.2 ppb |
| 2016 | 1.2 ppb |
| 2016 | 1.2 ppb |
How Sky Hi Dwid 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. Sky Hi Dwid's reported as 0 (not detected) sits at the 32nd percentile in Arizona and the 20th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
39 other systems share Navajo County; 17 of them have a higher latest lead result than Sky Hi Dwid. 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 - Overgaard | 13,797 | 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 |
Next steps for Lakeside, AZ
Look up your address in Sky Hi Dwid'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 Sky Hi Dwid 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. Small systems behave differently: why small systems go over more often.