Hazy Hills Wsc, TX
Exceeded the action level in the past
Latest 90th-percentile lead: 0.97 ppb (monitoring period 2025-2025). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Who runs the water here
Hazy Hills Wsc serves about 135 people through 45 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 groundwater, in Travis County, Texas. EPA system ID: TX2270091. Ask the utility on your bill for your address in their service line inventory.
Hazy Hills Wsc's lead record
Against the period ending 2025 (0.55 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Hazy Hills Wsc is 28 ppb across 8 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0.97 ppb |
| 2025 | 0.55 ppb |
| 2021 | 1.05 ppb |
| 2018 | 3.91 ppb |
| 2018 | 1.57 ppb |
| 2017 | 28 ppb over 15 |
| 2017 | 1.67 ppb |
| 2017 | 0.97 ppb |
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. Hazy Hills Wsc's 0.97 ppb sits at the 63rd percentile in Texas and the 50th nationally (higher means more lead).
Nearby utilities
87 other systems share Travis County; 40 of them have a higher latest lead result than Hazy Hills Wsc. 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) |
Your move
Test your own tap with a certified lab first-draw sample; Spicewood, 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 Hazy Hills 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. What a 90th-percentile result does and does not tell you: how to read a lead result. More in what a past exceedance means today.