Tap Water Quality Report
Tap water quality in AMARILLO, Texas
Tap water in AMARILLO, Texas receives a grade of F (59/100) from TapWaterSafety.org. It's served by AMARILLO MUNICIPAL WATER SYSTEM. The most significant water quality concerns are: Arsenic significantly above health guideline; Haloacetic acids (HAA9) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in AMARILLO's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving AMARILLO.
Arsenic significantly above health guideline
Moderate concernArsenic detected at 1.97 ppb, 493x above the EWG health guideline of 0.004 ppb.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 11.6 ppb, 194x above the EWG health guideline of 0.06 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 21.5 ppb, 144x above the EWG health guideline of 0.15 ppb.
Recommended filters for AMARILLO
Filters matched to the specific contaminants in AMARILLO's water supply.
Reverse Osmosis
$249-$750Arsenic is most effectively removed by reverse osmosis. Some specialized adsorptive filters also work.
Carbon block (NSF/ANSI 42 + 53)
$40-$750Activated carbon is highly effective for disinfection byproducts like TTHM and HAA5.
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 AMARILLO'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 |
|---|---|---|---|---|---|---|---|---|
| Arsenic Heavy metal |
1.97 ppb | 0.004 | 10.0 | 10 | 10 | 0.004 | — | 493× over |
| Haloacetic acids (HAA9) Disinfection byproduct |
11.6 ppb | 0.06 | — | — | — | — | — | 194× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
21.5 ppb | 0.15 | 80.0 | 100 | — | — | — | 144× over |
| Bromochloroacetic acid Disinfection byproduct |
2.46 ppb | 0.02 | — | — | — | — | — | 123× over |
| Bromodichloromethane Disinfection byproduct |
5.88 ppb | 0.06 | — | — | — | — | — | 98× over |
| Chromium (hexavalent) Heavy metal |
1.9 ppb | 0.02 | — | — | — | — | — | 95× over |
| Dibromoacetic acid Disinfection byproduct |
2.76 ppb | 0.03 | — | — | — | — | — | 92× over |
| Dibromochloromethane Disinfection byproduct |
9.02 ppb | 0.1 | — | — | — | — | — | 90× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
6.98 ppb | 0.1 | 60.0 | 60 | — | — | — | 70× over |
| Bromoform Disinfection byproduct |
6.08 ppb | 0.5 | — | — | — | — | — | 12× over |
| Nitrate and nitrite Inorganic |
1.37 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 9.8× over |
| Dichloroacetic acid Disinfection byproduct |
1.87 ppb | 0.2 | — | — | — | — | — | 9.4× over |
| Trichloroacetic acid Disinfection byproduct |
0.899 ppb | 0.1 | — | — | — | — | — | 9.0× over |
| Uranium Radiological |
3.89 pCi/L | 0.43 | 20.0 | 30 | 30 | 0.43 | — | 9.0× over |
| Nitrate Inorganic |
1.2 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 8.6× over |
| Chloroform Disinfection byproduct |
3.23 ppb | 0.4 | — | — | — | — | — | 8.1× over |
| Bromate Disinfection byproduct |
0.683 ppb | 0.1 | 10.0 | 10 | 10 | 0.1 | — | 6.8× over |
| Vanadium Other |
11.1 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Chlorate Disinfection byproduct |
97.8 ppb | 210.0 | — | — | — | — | — | Below guideline |
| Barium Heavy metal |
132.8 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Aluminum Heavy metal |
101.2 ppb | 600.0 | — | 200 | — | 600 | — | Below guideline |
| p-Dichlorobenzene Volatile organic compound |
0.542 ppb | 6.0 | 75.0 | 1 | 10 | 0.15 | — | Below guideline |
| Molybdenum Other |
2.77 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Monobromoacetic acid Disinfection byproduct |
0.593 ppb | 25.0 | — | — | — | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
0.853 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
1.01 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
0.048 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Perfluorobutanoic Acid (PFBA) PFAS |
0.265 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Chromium (total) Heavy metal |
2.45 ppb | — | 100.0 | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.703 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Lithium Other |
34.5 ppb | — | — | — | — | — | — | Below guideline |
| Methyl ethyl ketone Other |
0.15 ppb | — | — | — | — | — | — | Below guideline |
| Tetrahydrofuran Other |
0.0612 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 AMARILLO MUNICIPAL WATER SYSTEM.