Tap Water Quality Report
Tap water quality in LEANDER, Texas
Tap water in LEANDER, Texas receives a grade of D (66/100) from TapWaterSafety.org. It's served by CITY OF LEANDER. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Bromochloroacetic acid significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in LEANDER's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving LEANDER.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 15.4 ppb, 257x above the EWG health guideline of 0.06 ppb.
Bromochloroacetic acid significantly above health guideline
Moderate concernBromochloroacetic acid detected at 3.6 ppb, 180x above the EWG health guideline of 0.02 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 23.8 ppb, 159x above the EWG health guideline of 0.15 ppb.
EPA compliance record
Official U.S. EPA records for CITY OF LEANDER (system ID TX2460012) for the last 3 years. Checked 2026-10-07.
| Rule | Type | Since | Status |
|---|---|---|---|
| Consumer Confidence Rule | Other (e.g. public notice) | 07/01/2025 | Open |
| Public Notice Rule and Revised PN Rule | Other (e.g. public notice) | 01/18/2025 | Open |
| Lead and Copper Rule Revisions | Missed reporting | 07/02/2025 | Open |
| Lead and Copper Rule | Missed testing or reporting | 10/01/2023 | Open |
Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.
Recommended filters for LEANDER
Filters matched to the specific contaminants in LEANDER's water supply.
Carbon filter certified for VOCs (NSF/ANSI 53)
$180-$599Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.
Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.
All contaminants detected in LEANDER's tap water
Every contaminant identified, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal. Why we show multiple standards →
| Contaminant | Detected | EWG US health-based |
EPA US legal |
EU DWD Europe |
WHO global |
CA PHG strictest US |
Tested sample year |
Status |
|---|---|---|---|---|---|---|---|---|
| Haloacetic acids (HAA9) Disinfection byproduct |
15.4 ppb | 0.06 | — | — | — | — | — | 257× over |
| Bromochloroacetic acid Disinfection byproduct |
3.6 ppb | 0.02 | — | — | — | — | — | 180× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
23.8 ppb | 0.15 | 80.0 | 100 | — | — | — | 159× over |
| Dibromoacetic acid Disinfection byproduct |
3.28 ppb | 0.03 | — | — | — | — | — | 109× over |
| Bromodichloromethane Disinfection byproduct |
5.94 ppb | 0.06 | — | — | — | — | — | 99× over |
| Dibromochloromethane Disinfection byproduct |
8.29 ppb | 0.1 | — | — | — | — | — | 83× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
8.02 ppb | 0.1 | 60.0 | 60 | — | — | — | 80× over |
| 1,2,3-Trichloropropane Other |
0.0145 ppb | 0.0007 | — | — | — | — | — | 21× over |
| Dichloroacetic acid Disinfection byproduct |
4.2 ppb | 0.2 | — | — | — | — | — | 21× over |
| Chloroform Disinfection byproduct |
4.52 ppb | 0.4 | — | — | — | — | — | 11× over |
| Bromoform Disinfection byproduct |
4.27 ppb | 0.5 | — | — | — | — | — | 8.5× over |
| Trichloroacetic acid Disinfection byproduct |
0.531 ppb | 0.1 | — | — | — | — | — | 5.3× over |
| Chlorate Disinfection byproduct |
325.0 ppb | 210.0 | — | — | — | — | — | 1.5× over |
| Nitrate Inorganic |
0.11 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | Below guideline |
| Nitrate and nitrite Inorganic |
0.11 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | Below guideline |
| Barium Heavy metal |
64.4 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Vanadium Other |
1.92 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Molybdenum Other |
1.68 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.366 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.263 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Hexadecanoic acid Other |
25.0 ppb | — | — | — | — | — | — | Below guideline |
| Octadecanoic acid Other |
50.0 ppb | — | — | — | — | — | — | Below guideline |
All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.
Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines, California OEHHA PHGs, EWG Tap Water Database.
Treatment plant contact info
For service issues, water quality concerns, or to request a Consumer Confidence Report from CITY OF LEANDER.