Water Quality Report · Updated October 07, 2026
AMARILLO MUNICIPAL WATER SYSTEM
AMARILLO MUNICIPAL WATER SYSTEM delivers tap water graded D (56/100) by TapWaterSafety.org. The utility serves approximately 201,291 residents in AMARILLO, Texas using surface water. 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. For questions, the utility can be reached at 806-584-6175.
Is AMARILLO tap water safe to drink?
AMARILLO MUNICIPAL WATER SYSTEM delivers tap water that earns a grade of D (56/100) from TapWaterSafety.org — a below-average rating, with multiple concerns including arsenic significantly above health guideline.
The utility serves 201,291 residents in AMARILLO, drawing from surface water.
Public testing data identifies 17 contaminants in this water above EWG's health-based guidelines, including: Arsenic, Haloacetic acids (HAA9), Total trihalomethanes (TTHMs), Bromochloroacetic acid, Bromodichloromethane, Chromium (hexavalent), Dibromoacetic acid, Dibromochloromethane, Haloacetic acids (HAA5), Bromoform, Nitrate and nitrite, Dichloroacetic acid, Trichloroacetic acid, Uranium, Nitrate, Chloroform, Bromate. For most residents, a properly certified home filter at the kitchen tap is the most cost-effective way to reduce exposure to whatever's in your water. See our filter recommendations below, matched specifically to this utility's contaminant profile.
EPA compliance record
Official U.S. EPA records for AMARILLO MUNICIPAL WATER SYSTEM (system ID TX1880001) for the last 3 years. Checked 2026-10-07.
| Rule | Type | Since | Status |
|---|---|---|---|
| Consumer Confidence Rule | Other (e.g. public notice) | 07/01/2023 | Resolved |
Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.
Quick actions for AMARILLO residents
Top concerns in this water
Based on the most recent EPA and EWG data, these are the most significant water quality issues for AMARILLO MUNICIPAL WATER SYSTEM.
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.
Contact AMARILLO MUNICIPAL WATER SYSTEM
Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.
General Contact
Treatment Plant
Recommended water filters for AMARILLO
Filters matched to the specific contaminants in this water supply.
Reverse osmosis certified for arsenic (NSF/ANSI 58)
$429-$599Reverse osmosis certified under NSF/ANSI 58 for arsenic is the most reliable home option.
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.
Score breakdown
This utility's overall score of 56/100 breaks down across five weighted components. Read the full methodology →
Contaminants detected — international standards comparison
Every contaminant detected, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal (the strictest US benchmark). 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 (4th ed.), California OEHHA PHGs, EWG Tap Water Database.
AMARILLO MUNICIPAL WATER SYSTEM service area
This water system serves 1 community in Potter County, Texas. Click any city for its dedicated tap water quality page.
Find the right filter for AMARILLO water
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