Wright City Wsc 1, TX
Lead detected, under the action levels
Latest 90th-percentile lead: 1.67 ppb (monitoring period 2026-2026). 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.
Wright City Wsc 1 at a glance
Wright City Wsc 1 serves about 1,350 people through 450 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 groundwater, in Smith County, Texas. EPA system ID: TX2120027; phone on file: 903-859-1281. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Wright City Wsc 1's lead record
That is up 1.67 ppb from 0 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Wright City Wsc 1 is 1.67 ppb across 8 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 1.67 ppb |
| 2025 | 0 (not detected) |
| 2025 | 0 (not detected) |
| 2024 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2022 | 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. Wright City Wsc 1's 1.67 ppb sits at the 78th percentile in Texas and the 66th nationally (higher means more lead).
Neighbouring systems
35 other systems share Smith County; 4 of them have a higher latest lead result than Wright City Wsc 1. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Tyler | 107,000 | 0 (not detected) |
| Southern Utilities | 69,735 | 1.57 ppb |
| Lindale Rural Wsc | 14,781 | 0 (not detected) |
| City Of Whitehouse | 9,571 | 0 (not detected) |
| Walnut Grove Wsc | 8,775 | 0 (not detected) |
| City Of Lindale | 6,313 | 0 (not detected) |
| Dean Wsc | 5,907 | 0 (not detected) |
| Jackson Wsc | 5,862 | 0 (not detected) |
| Sand Flat Wsc | 4,569 | 0 (not detected) |
| City Of Bullard | 4,500 | 0 (not detected) |
What to do in your house
Test your own tap with a certified lab first-draw sample; Arp, 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 Wright City Wsc 1 whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1750 ppb (copper action level 1,300 ppb).
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. Why sampled homes are the worst-case ones is in the guide to reading the number. Systems that went over once often dip back under; here is what that means.