Tdcj Ferguson Unit, TX
Exceeded the action level in the past
Latest 90th-percentile lead: reported as 0 (not detected) (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.
Tdcj Ferguson Unit at a glance
Tdcj Ferguson Unit serves about 3,043 people through 881 service connections, which makes it a small system under EPA's size classes. It is owned by the state and draws groundwater, in Madison County, Texas. EPA system ID: TX1570002; phone on file: 936-437-7247. They can tell you what your service line is made of and whether they pay to replace it.
Tdcj Ferguson Unit's lead record
Against the period ending 2023 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Tdcj Ferguson Unit is 18 ppb across 5 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2022 | 1.3 ppb |
| 2021 | 18 ppb over 15 |
Against other Texas systems
Of the 4,447 Texas systems with a lead result, the median latest reading is 0.28 ppb; 15 are over 15 ppb right now and 202 have gone over at some point. Tdcj Ferguson Unit's reported as 0 (not detected) sits at the 38th percentile in Texas and the 33rd nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Madison County
6 other systems share Madison County; 2 of them have a higher latest lead result than Tdcj Ferguson Unit. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Madisonville | 6,111 | 0 (not detected) |
| North Zulch Mud | 1,800 | 1.43 ppb |
| High Prairie Water Supply Corp | 1,476 | 0 (not detected) |
| Canaan Community Mhp | 420 | 1.1 ppb |
| City Of Midway | 173 | 0 (not detected) |
| Osr Estates Subdivision | 29 | - |
Next steps for Huntsville, TX
Test your own tap with a certified lab first-draw sample; Huntsville, TX 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 Tdcj Ferguson Unit 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. Why an old exceedance still matters: over the limit before, under it now.