Tubbs Water System, TX
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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. The latest 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
About Tubbs Water System
Tubbs Water System serves about 57 people through 23 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Mclennan County, Texas. EPA system ID: TX1550125; phone on file: 512-990-4400. They can tell you what your service line is made of and whether they pay to replace it.
Tubbs Water System's lead record
Against the period ending 2023 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Tubbs Water System is 0 ppb across 2 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2023 | 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. Tubbs Water System's reported as 0 (not detected) sits at the 2nd percentile in Texas and the 4th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Mclennan County
53 other systems share Mclennan County; 15 of them have a higher latest lead result than Tubbs Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Waco | 146,241 | 1.89 ppb |
| City Of Hewitt | 16,978 | 0 (not detected) |
| City Of Robinson | 11,900 | 0 (not detected) |
| City Of Bellmead | 10,664 | 0 (not detected) |
| City Of Bruceville Eddy | 10,570 | 2.65 ppb |
| City Of Woodway | 9,383 | 0 (not detected) |
| City Of Lacy Lakeview | 7,275 | 0 (not detected) |
| City Of Mcgregor | 6,037 | 2.34 ppb |
| Elm Creek Wsc | 4,520 | 2.21 ppb |
| Cross Country Wsc | 3,939 | 0 (not detected) |
Next steps for Austin, TX
Look up your address in Tubbs Water System's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Tubbs Water System 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. What a 90th-percentile result does and does not tell you: how to read a lead result. A zero today does not rule out a jump later - the rules are tightening in 2027.