Walker County Sud F, TX
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.
About Walker County Sud F
Walker County Sud F serves about 447 people through 166 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Walker County, Texas. EPA system ID: TX2360074; phone on file: 936-295-4452. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
Against the period ending 2024 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Walker County Sud F is 21 ppb across 4 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2024 | 0 (not detected) |
| 2024 | 5 ppb |
| 2023 | 21 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. Walker County Sud F's reported as 0 (not detected) sits at the 19th percentile in Texas and the 21st nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Walker County
21 other systems share Walker County; 8 of them have a higher latest lead result than Walker County Sud F. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Huntsville | 48,522 | 2.03 ppb |
| Riverside Sud | 6,246 | 0 (not detected) |
| Walker County Sud D | 2,184 | 0 (not detected) |
| Phelps Sud | 1,900 | 2.6 ppb |
| Walker County Sud B Crabbs Prairie | 1,815 | 0 (not detected) |
| Walker County Sud C | 1,674 | 0 (not detected) |
| Walker County Sud A | 1,458 | 0 (not detected) |
| City Of New Waverly | 1,125 | 0 (not detected) |
| Wildwood Shores | 968 | 0 (not detected) |
| Texas Grand Ranch | 783 | 0 (not detected) |
Your move
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 Walker County Sud F 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. More in what a past exceedance means today.