South Garza Wsc, TX
Above the federal action level
Latest 90th-percentile lead: 18.3 ppb (monitoring period 2024-2026). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. In the most recent monitoring period, more than 10% of the sampled homes measured above 15 ppb. Use a filter certified to NSF/ANSI 53 for lead for drinking and cooking now, and test your own tap.
About South Garza Wsc
South Garza Wsc serves about 216 people through 72 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Garza County, Texas. EPA system ID: TX0850014; phone on file: 806-786-2161. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
That is up 18.3 ppb from 0 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for South Garza Wsc is 18.3 ppb across 3 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 18.3 ppb over 15 |
| 2023 | 0 (not detected) |
| 2020 | 0 (not detected) |
How South Garza 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. South Garza Wsc's 18.3 ppb sits at the 100th percentile in Texas and the 99th nationally (higher means more lead).
Other water systems in Garza County
1 other system shares Garza County; 0 of them have a higher latest lead result than South Garza Wsc. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Post | 5,471 | 6.41 ppb |
Next steps for Post, TX
Use a filter certified to NSF/ANSI 53 for lead on the tap you drink and cook from, now, before you test. Then test your own tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask South Garza 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.