Thornton Waterworks, AR
No lead results on file with EPA
Latest 90th-percentile lead: no result on file. The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. EPA's database has no Lead and Copper Rule results for this system. Without them there is nothing to go on, so a tap test is the only way to know.
About Thornton Waterworks
Thornton Waterworks serves about 900 people through 311 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 Calhoun County, Arkansas. EPA system ID: AR0000072; phone on file: 870-884-0811. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Other water systems in Calhoun County
5 other systems share Calhoun County. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Hampton Waterworks | 1,906 | - |
| Calhoun County Water Assn | 1,591 | - |
| Shumaker Public Service Co | 1,399 | - |
| Locust Bayou Water Association | 531 | - |
| Harrell Waterworks | 251 | - |
Next steps for Thornton, AR
Test your own tap with a certified lab first-draw sample; Thornton, AR 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 Thornton Waterworks 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. Size matters more than most people expect: small vs large water systems.