Lake Mary Mhp, FL
Exceeded the action level in the past
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2025-2025). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest 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.
Lake Mary Mhp at a glance
Lake Mary Mhp serves about 150 people through 69 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Seminole County, Florida. EPA system ID: FL3591248; phone on file: 321-354-1613. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lake Mary Mhp's lead record
That is down 4 ppb from 4 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Lake Mary Mhp is 22.5 ppb across 8 monitoring periods, 2 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2025 | 4 ppb |
| 2024 | 22.5 ppb over 15 |
| 2021 | 1.3 ppb |
| 2020 | 2.8 ppb |
| 2020 | 1.8 ppb |
| 2018 | 17.4 ppb over 15 |
| 2016 | 0 (not detected) |
How Lake Mary Mhp compares
Of the 1,481 Florida systems with a lead result, the median latest reading is 1 ppb; 3 are over 15 ppb right now and 85 have gone over at some point. Lake Mary Mhp's reported as 0 (not detected) sits at the 10th percentile in Florida and the 13th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
37 other systems share Seminole County; 20 of them have a higher latest lead result than Lake Mary Mhp. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Sanford, City Of (2 Wps) | 79,715 | 0.8 ppb |
| Seminole County Southeast | 70,040 | 1.2 ppb |
| Casselberry, City Of (3 Wps) | 54,747 | 0 (not detected) |
| Altamonte Springs Water Dept (2 Wps) | 51,000 | 0 (not detected) |
| Oviedo, City Of | 47,933 | 2.1 ppb |
| Sanlando (3 Wtps) | 36,953 | 1.5 ppb |
| Winter Springs, City Of (3 Wps) | 34,657 | 0.6 ppb |
| Seminole County Northwest | 31,986 | 0 (not detected) |
| Longwood, City Of (2 Wps) | 23,237 | 1.6 ppb |
| Seminole County Northeast | 19,925 | 0 (not detected) |
Next steps for Maitland, FL
Test your own tap with a certified lab first-draw sample; Maitland, FL 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 Mary Mhp whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1500 ppb (copper action level 1,300 ppb).
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.