City Of Big Wells, TX
Lead detected, under the action levels
Latest 90th-percentile lead: 2.7 ppb (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. 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.
About City Of Big Wells
City Of Big Wells serves about 870 people through 267 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 Dimmit County, Texas. EPA system ID: TX0640012; phone on file: 830-457-2218. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
The highest 90th-percentile result EPA holds for City Of Big Wells is 2.7 ppb across 1 monitoring period, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 2.7 ppb |
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. City Of Big Wells's 2.7 ppb sits at the 89th percentile in Texas and the 79th nationally (higher means more lead).
Nearby utilities
6 other systems share Dimmit County; 3 of them have a higher latest lead result than City Of Big Wells. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Carrizo Springs | 5,830 | 5.6 ppb |
| City Of Asherton | 1,225 | 4.1 ppb |
| Carrizo Hill Wsc | 1,050 | 0 (not detected) |
| Catarina Wsc | 222 | 2.3 ppb |
| Espantosa Water Supply | 210 | 9.3 ppb |
| Brundage Water System | 60 | 1.3 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Big Wells, 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 City Of Big Wells 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. Systems that went over once often dip back under; here is what that means.