Callahan County Wsc, TX
Lead detected, under the action levels
Latest 90th-percentile lead: 4.35 ppb (monitoring period 2026-2028). 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.
Who runs the water here
Callahan County Wsc serves about 3,741 people through 1,247 service connections, which makes it a medium-sized system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Callahan County, Texas. EPA system ID: TX0300015; phone on file: 325-893-3841. They can tell you what your service line is made of and whether they pay to replace it.
Callahan County Wsc's lead record
That is up 4.35 ppb from 0 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Callahan County Wsc is 5.82 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2028 | 4.35 ppb |
| 2025 | 0 (not detected) |
| 2024 | 5.5 ppb |
| 2023 | 5.82 ppb |
How Callahan County Wsc compares
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. Callahan County Wsc's 4.35 ppb sits at the 96th percentile in Texas and the 89th nationally (higher means more lead).
Nearby utilities
4 other systems share Callahan County; 0 of them have a higher latest lead result than Callahan County Wsc. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Eula Wsc | 3,918 | 0 (not detected) |
| City Of Clyde | 3,820 | 1.25 ppb |
| City Of Baird | 1,534 | 0 (not detected) |
| City Of Cross Plains | 926 | 0 (not detected) |
What to do in your house
Test your own tap with a certified lab first-draw sample; Clyde, 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 Callahan County 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. Why sampled homes are the worst-case ones is in the guide to reading the number. The action level is dropping - the 10 ppb rule from 2027.