Jefferson Correctional Institution, FL
Lead detected, under the action levels
Latest 90th-percentile lead: 1.1 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
Jefferson Correctional Institution serves about 1,300 people through 34 service connections, which makes it a small system under EPA's size classes. It is owned by the state and draws groundwater, in Jefferson County, Florida. EPA system ID: FL2331185; phone on file: 850-717-3926. They can tell you what your service line is made of and whether they pay to replace it.
Jefferson Correctional Institution's lead record
That is down 1.8 ppb from 2.9 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Jefferson Correctional Institution is 2.9 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1.1 ppb |
| 2022 | 2.9 ppb |
| 2019 | 0 (not detected) |
| 2016 | 0 (not detected) |
Against other Florida systems
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. Jefferson Correctional Institution's 1.1 ppb sits at the 54th percentile in Florida and the 57th nationally (higher means more lead).
Nearby utilities
5 other systems share Jefferson County; 3 of them have a higher latest lead result than Jefferson Correctional Institution. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Monticello, City Of | 4,502 | 1.6 ppb |
| Jefferson Communities Water System | 2,649 | 1.7 ppb |
| Lamont Water System | 222 | 2.4 ppb |
| Rolling Meadows Mhc (Jefferson Co) | 218 | - |
| Monticello Care Center | 79 | 0.3 ppb |
Next steps for Tallahassee, FL
Test your own tap with a certified lab first-draw sample; Tallahassee, 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 Jefferson Correctional Institution 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. The lead result guide covers how utilities pick the homes they sample. Size matters more than most people expect: small vs large water systems.