Is Cedar Park, TX tap water safe?
Data: U.S. EPA · How we read the data · How we check it
Summary
No federal limits exceeded in EPA data for City of Austin Water & Wastewater. 6 PFAS were detected below the limits.
2 public water systems serve parts of Cedar Park. The largest, City of Austin Water & Wastewater, serves 1.1 million people. Your water bill names your system.
Largest system
City of Austin Water & Wastewater
1.1 million people · Surface water · EPA ID TX2270001
| PFAS | Highest average | Limit |
|---|---|---|
| PFOA Not detected | – | 4 ppt |
| PFOS One sample above limit | 1.2 ppt | 4 ppt |
| PFHxS Detected, below limit | 3.65 ppt | 10 ppt |
| PFNA Not detected | – | 10 ppt |
| HFPO-DA (GenX) Not detected | – | 10 ppt |
ppt = parts per trillion. "Highest average" is the highest average at any of the system's entry points, the way EPA compares results with the limits.
Lead: 0 ppb at the 90th percentile (Dec 2024, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 5
Across Texas, 28 of 1,130 water systems EPA tested had PFAS above a 2024 federal limit, and 13 systems were above the lead action level in results from the last five years. Texas results.
Cedar Park homes and lead pipes
Lead service lines and lead solder were allowed until 1986, so homes from before then are the ones to check. City of Austin Water & Wastewater's service line inventory lists 0 lead lines and 777 galvanized lines that need replacing (as of 2024-10). Look up your address. Renting? Ask your landlord what the service line is made of, because it's their pipe to replace. How to check your own line.
Housing: Census American Community Survey 2020–2024 5-year estimates for Cedar Park city (tables B25034, B25003). Estimates for small places have a margin of error.
Other water systems serving Cedar Park
How nearby cities compare
| City | PFAS | Lead (90th pct.) |
|---|---|---|
| Leander 5 mi City of Austin Water & Wastewater | None above limits | 0 ppb |
| Round Rock 10 mi City of Austin Water & Wastewater | None above limits | 0 ppb |
| Georgetown 13 mi City of Georgetown | None above limits | 4.81 ppb |
| Pflugerville 14 mi City of Austin Water & Wastewater | None above limits | 0 ppb |
| Austin 15 mi City of Austin Water & Wastewater | None above limits | 0 ppb |
| Hutto 16 mi Manville Water Supply Corporation | Above limit | 1.41 ppb |
Cedar Park ZIP codes (1)
- 78613
Questions
Is Cedar Park tap water safe to drink?
City of Austin Water & Wastewater had 5 health-based violations since 2016. Utility data can't show lead from your own pipes: if your home was built before 1986, test your tap. Your utility's annual Consumer Confidence Report is the official summary.
Who supplies water in Cedar Park, TX?
2 public water systems serve parts of Cedar Park. The largest is City of Austin Water & Wastewater (1.1 million people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.
Does Cedar Park tap water have PFAS?
City of Austin Water & Wastewater had 6 PFAS detected at least once in EPA's 2023–2025 testing, all with averages below the federal limits.
Do Cedar Park homes have lead pipes?
Census estimates put 6% of Cedar Park homes as built before 1980 (Texas: 33%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. City of Austin Water & Wastewater's service line inventory lists 0 lead lines. The only way to know for your home is to check the line where it enters the house and test your tap.
Source: U.S. EPA drinking water records and PFAS testing (UCMR 5). How we read the data.