Tdcj Wainwright Unit, TX
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2022-2024). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
Who runs the water here
Tdcj Wainwright Unit serves about 3,148 people through 904 service connections, which makes it a small system under EPA's size classes. It is owned by the state and draws groundwater, in Houston County, Texas. EPA system ID: TX1130004; phone on file: 936-437-7247. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
The highest 90th-percentile result EPA holds for Tdcj Wainwright Unit is 0 ppb across 1 monitoring period, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 0 (not detected) |
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 Wainwright Unit's reported as 0 (not detected) sits at the 39th 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.
Nearby utilities
8 other systems share Houston County; 6 of them have a higher latest lead result than Tdcj Wainwright Unit. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| The Consolidated Wsc Rural System | 10,481 | 0.75 ppb |
| City Of Crockett | 7,755 | 5.7 ppb |
| The Consolidated Wsc Central System | 3,878 | 1.31 ppb |
| City Of Grapeland | 1,798 | 0 (not detected) |
| City Of Lovelady | 990 | 0 (not detected) |
| City Of Kennard | 460 | 0.97 ppb |
| Ratcliff Wsc | 275 | 1.01 ppb |
| Houston County Wcid 1 | 48 | 1.66 ppb |
What to do in your house
Look up your address in Tdcj Wainwright Unit's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Tdcj Wainwright 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. Small systems behave differently: why small systems go over more often.