Shiloh Wsc, TX
Lead reported as not detected
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 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
Shiloh Wsc serves about 615 people through 205 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Limestone County, Texas. EPA system ID: TX1470012; phone on file: 254-562-5155. They can tell you what your service line is made of and whether they pay to replace it.
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 Shiloh Wsc is 0 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2024 | 0 (not detected) |
| 2024 | 0 (not detected) |
Where this result ranks
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. Shiloh Wsc's reported as 0 (not detected) sits at the 22nd percentile in Texas and the 24th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Limestone County
17 other systems share Limestone County; 4 of them have a higher latest lead result than Shiloh Wsc. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Mexia | 7,459 | 2.07 ppb |
| City Of Groesbeck | 4,250 | 0 (not detected) |
| Point Enterprise Wsc | 2,388 | 0 (not detected) |
| Prairie Hill Wsc | 2,150 | 0 (not detected) |
| White Rock Wsc 2 Forest Glade | 1,968 | 0 (not detected) |
| Slc Wsc | 1,749 | 8 ppb |
| City Of Coolidge | 786 | 0 (not detected) |
| Bistone Municipal Water Supply | 768 | 0 (not detected) |
| White Rock Wsc 3 West Lake Mexia | 602 | 0 (not detected) |
| City Of Thornton Water System | 530 | 3.06 ppb |
Next steps for Mexia, TX
Look up your address in Shiloh Wsc'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 Shiloh Wsc 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.