Lakeside Water Company, AZ
Exceeded the action level in the past
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2024-2026). 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.
Lakeside Water Company at a glance
Lakeside Water Company serves about 55 people through 48 service connections, which makes it a very small system under EPA's size classes. It is under mixed public and private ownership and draws groundwater, in Yavapai County, Arizona. EPA system ID: AZ0413026; phone on file: 504-351-4729. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lakeside Water Company's lead record
Against the period ending 2023 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Lakeside Water Company is 100 ppb across 8 monitoring periods, 2 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2020 | 100 ppb over 15 |
| 2019 | 21 ppb over 15 |
| 2016 | 2.9 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. Lakeside Water Company's reported as 0 (not detected) sits at the 6th percentile in Arizona and the 4th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Yavapai County
100 other systems share Yavapai County; 17 of them have a higher latest lead result than Lakeside Water Company. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Town Of Prescott Valley | 57,048 | 0 (not detected) |
| Prescott City Of | 42,217 | 0 (not detected) |
| Cottonwood Municipal Water Cw1 | 11,288 | 0 (not detected) |
| Big Park Water Company | 7,392 | 0 (not detected) |
| Town Of Camp Verde Utilities | 5,380 | 0 (not detected) |
| Clarkdale Municipal Water System | 5,201 | 0 (not detected) |
| Cottonwood Municipal Water Vv6 | 4,518 | 18 ppb |
| Cordes Lakes Water Company | 4,425 | 4.1 ppb |
| Arizona Water Co - Rimrock | 3,532 | 0 (not detected) |
| Freeport Mcmoran Bagdad Town | 3,200 | 0 (not detected) |
Your move
Test your own tap with a certified lab first-draw sample; Prescott, 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 Lakeside 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. More in what a past exceedance means today.