Senna Hills Mud, TX
Lead detected, under the action levels
Latest 90th-percentile lead: 1.79 ppb (monitoring period 2024-2024). 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 Senna Hills Mud
Senna Hills Mud serves about 1,215 people through 405 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 surface water, in Travis County, Texas. EPA system ID: TX2270316; phone on file: 512-263-2707. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Senna Hills Mud's lead record
Against the period ending 2023 (2.53 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Senna Hills Mud is 2.53 ppb across 2 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 1.79 ppb |
| 2023 | 2.53 ppb |
Against other Texas systems
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. Senna Hills Mud's 1.79 ppb sits at the 79th percentile in Texas and the 67th nationally (higher means more lead).
Neighbouring systems
87 other systems share Travis County; 17 of them have a higher latest lead result than Senna Hills Mud. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Austin Water & Wastewater | 1,115,323 | 0 (not detected) |
| City Of Pflugerville | 63,464 | 1.1 ppb |
| Travis County Wcid 17 | 45,165 | 2.95 ppb |
| Manville Wsc | 39,648 | 1.41 ppb |
| West Travis County Public Utility Agency | 35,664 | 2.2 ppb |
| Windermere Community | 21,231 | 1.94 ppb |
| City Of Manor | 19,620 | 1.2 ppb |
| Wells Branch Mud 1 | 18,015 | 0 (not detected) |
| Northtown Mud | 11,520 | 0.44 ppb |
| North Austin Mud 1 | 11,133 | 0 (not detected) |
Next steps for Austin, TX
Test your own tap with a certified lab first-draw sample; Austin, 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 Senna Hills Mud 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.