Windermere Oaks Wsc, TX
Lead detected, under the action levels
Latest 90th-percentile lead: 1.88 ppb (monitoring period 2023-2025). 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 Windermere Oaks Wsc
Windermere Oaks Wsc serves about 462 people through 231 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 Burnet County, Texas. EPA system ID: TX0270035; phone on file: 512-568-6148. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
Against the period ending 2022 (2.6 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Windermere Oaks Wsc is 2.6 ppb across 2 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1.88 ppb |
| 2022 | 2.6 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. Windermere Oaks Wsc's 1.88 ppb sits at the 80th percentile in Texas and the 68th nationally (higher means more lead).
Neighbouring systems
31 other systems share Burnet County; 15 of them have a higher latest lead result than Windermere Oaks Wsc. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Marble Falls | 8,059 | 1.84 ppb |
| City Of Burnet | 7,011 | 1.93 ppb |
| City Of Granite Shoals | 6,795 | 1.43 ppb |
| City Of Bertram | 3,636 | 1.21 ppb |
| City Of Meadowlakes | 2,480 | 3.83 ppb |
| City Of Cottonwood Shores | 2,157 | 1.86 ppb |
| Spicewood Beach | 1,452 | 4.06 ppb |
| City Of Highland Haven Water System | 734 | 2.08 ppb |
| City Of Granite Shoals Sherwood Iii | 675 | 5.87 ppb |
| Ridge Harbor | 573 | 2.13 ppb |
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 Windermere Oaks 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. 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.