Hialeah, City Of, FL
Lead detected, under the action levels
Latest 90th-percentile lead: 0.9 ppb (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. 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
Hialeah, City Of serves about 238,000 people through 54,000 service connections, which makes it a very large system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Miami-Dade County, Florida. EPA system ID: FL4130604; phone on file: 305-556-3800. They can tell you what your service line is made of and whether they pay to replace it.
Hialeah, City Of's lead record
Against the period ending 2022 (1.4 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Hialeah, City Of is 2.6 ppb across 6 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0.9 ppb |
| 2022 | 1.4 ppb |
| 2019 | 2.6 ppb |
| 2018 | 1.3 ppb |
| 2017 | 1.6 ppb |
| 2016 | 2 ppb |
Where this result ranks
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. Hialeah, City Of's 0.9 ppb sits at the 44th percentile in Florida and the 49th nationally (higher means more lead).
Neighbouring systems
24 other systems share Miami-Dade County; 17 of them have a higher latest lead result than Hialeah, City Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Mdwasa - Main System | 2,377,460 | 3.1 ppb |
| North Miami Beach | 180,000 | 2.1 ppb |
| Miami Beach, City Of | 100,000 | 7 ppb |
| North Miami, City Of | 89,349 | 1.8 ppb |
| Fkaa J. Robert Dean W.T.P. | 86,000 | 4 ppb |
| Homestead, City Of | 80,000 | 2.5 ppb |
| Mdwasa/Rex Utilities | 45,200 | 1 ppb |
| Hialeah Gardens | 22,200 | 1.5 ppb |
| Opa Locka, City Of | 16,479 | 0.9 ppb |
| Florida City | 13,453 | 1.2 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Hialeah, 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 Hialeah, City Of 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. The action level is dropping - the 10 ppb rule from 2027.