Lake Griffin Isles Mhp (2 Wtps), AZ
Exceeded the action level in the past
Latest 90th-percentile lead: 1.8 ppb (monitoring period 2024-2024). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest 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.
About Lake Griffin Isles Mhp (2 Wtps)
Lake Griffin Isles Mhp (2 Wtps) serves about 1,212 people through 488 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws groundwater, in Lake County, Arizona. EPA system ID: FL3354054; phone on file: 480-863-5222. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
That is down 1.1 ppb from 2.9 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Lake Griffin Isles Mhp (2 Wtps) is 21.6 ppb across 5 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 1.8 ppb |
| 2021 | 2.9 ppb |
| 2019 | 0 (not detected) |
| 2018 | 0 (not detected) |
| 2018 | 21.6 ppb over 15 |
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. Lake Griffin Isles Mhp (2 Wtps)'s 1.8 ppb sits at the 80th percentile in Arizona and the 67th nationally (higher means more lead).
Other water systems in Lake County
3 other systems share Lake County; 1 of them has a higher latest lead result than Lake Griffin Isles Mhp (2 Wtps). If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Wekiva Falls Resort | 352 | 0.9 ppb |
| Timber Village Mobile Home Pk | 176 | 5.9 ppb |
| Holly Hock Hill Mhp | 47 | 0 (not detected) |
What to do in your house
Test your own tap with a certified lab first-draw sample; Scottsdale, 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 Lake Griffin Isles Mhp (2 Wtps) 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.