Lagoon Estates Wc Unit 7, AZ
Lead detected, under the action levels
Latest 90th-percentile lead: 1.1 ppb (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. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
Who runs the water here
Lagoon Estates Wc Unit 7 serves about 1,578 people through 365 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws groundwater, in Mohave County, Arizona. EPA system ID: AZ0408021; phone on file: 928-768-3384. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
That is down 4.5 ppb from 5.6 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Lagoon Estates Wc Unit 7 is 11 ppb across 4 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1.1 ppb |
| 2022 | 5.6 ppb |
| 2019 | 2 ppb |
| 2016 | 11 ppb over 10 |
How Lagoon Estates Wc Unit 7 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. Lagoon Estates Wc Unit 7's 1.1 ppb sits at the 76th percentile in Arizona and the 57th nationally (higher means more lead).
Neighbouring systems
49 other systems share Mohave County; 20 of them have a higher latest lead result than Lagoon Estates Wc Unit 7. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Lake Havasu City Of | 54,610 | 3.1 ppb |
| Kingman Municipal Water | 45,000 | 0 (not detected) |
| Bullhead City Mohave | 36,330 | 0 (not detected) |
| Bermuda Water Company Inc | 25,000 | 5.6 ppb |
| Valley Pioneers Water Company Inc | 6,263 | 1.5 ppb |
| North Mohave Valley | 5,190 | 22 ppb |
| Epcor - Lake Havasu | 4,712 | 0 (not detected) |
| Golden Shores Water Company | 3,970 | 1.7 ppb |
| Golden Valley Improvement District | 3,950 | 0 (not detected) |
| Epcor - Willow Valley/King Street | 3,566 | 0 (not detected) |
Next steps for Mohave Valley, AZ
Test your own tap with a certified lab first-draw sample; Mohave Valley, 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 Lagoon Estates Wc Unit 7 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. Size matters more than most people expect: small vs large water systems.