Tap Water Quality Report
Tap water quality in PHARR, Texas
Tap water in PHARR, Texas receives a grade of D (64/100) from TapWaterSafety.org. It's served by CITY OF PHARR. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Bromochloroacetic acid significantly above health guideline; Dibromoacetic acid significantly above health guideline; Arsenic detected. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in PHARR's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving PHARR.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 23.9 ppb, 399x above the EWG health guideline of 0.06 ppb.
Bromochloroacetic acid significantly above health guideline
Moderate concernBromochloroacetic acid detected at 7.51 ppb, 376x above the EWG health guideline of 0.02 ppb.
Dibromoacetic acid significantly above health guideline
Moderate concernDibromoacetic acid detected at 10.5 ppb, 349x above the EWG health guideline of 0.03 ppb.
Arsenic detected
Moderate concernArsenic detected at 0.833 ppb.
EPA compliance record
Official U.S. EPA records for CITY OF PHARR (system ID TX1080009) for the last 3 years. Checked 2026-10-07.
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 PHARR
Filters matched to the specific contaminants in PHARR'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.
Reverse osmosis certified for arsenic (NSF/ANSI 58)
$429-$599Reverse osmosis certified under NSF/ANSI 58 for arsenic is the most reliable home option.
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 PHARR'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 |
23.9 ppb | 0.06 | — | — | — | — | — | 399× over |
| Bromochloroacetic acid Disinfection byproduct |
7.51 ppb | 0.02 | — | — | — | — | — | 376× over |
| Dibromoacetic acid Disinfection byproduct |
10.5 ppb | 0.03 | — | — | — | — | — | 349× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
33.7 ppb | 0.15 | 80.0 | 100 | — | — | — | 224× over |
| Arsenic Heavy metal |
0.833 ppb | 0.004 | 10.0 | 10 | 10 | 0.004 | — | 208× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
17.5 ppb | 0.1 | 60.0 | 60 | — | — | — | 175× over |
| Bromodichloromethane Disinfection byproduct |
5.91 ppb | 0.06 | — | — | — | — | — | 98× over |
| Dibromochloromethane Disinfection byproduct |
9.74 ppb | 0.1 | — | — | — | — | — | 97× over |
| Bromoform Disinfection byproduct |
15.0 ppb | 0.5 | — | — | — | — | — | 30× over |
| Dichloroacetic acid Disinfection byproduct |
5.76 ppb | 0.2 | — | — | — | — | — | 29× over |
| Radium, combined (-226 and -228) Radiological |
0.75 pCi/L | 0.05 | 5.0 | — | — | — | — | 15× over |
| Chlorite Disinfection byproduct |
422.7 ppb | 50.0 | 1000.0 | — | — | — | — | 8.5× over |
| Chloroform Disinfection byproduct |
3.05 ppb | 0.4 | — | — | — | — | — | 7.6× over |
| Uranium Radiological |
2.28 pCi/L | 0.43 | 20.0 | 30 | 30 | 0.43 | — | 5.3× over |
| Trichloroacetic acid Disinfection byproduct |
0.469 ppb | 0.1 | — | — | — | — | — | 4.7× over |
| Nitrate Inorganic |
0.243 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 1.7× over |
| Chlorate Disinfection byproduct |
300.5 ppb | 210.0 | — | — | — | — | — | 1.4× over |
| Bromochloromethane Other |
0.0826 ppb | 0.06 | — | — | — | — | — | 1.4× over |
| Chromium (hexavalent) Heavy metal |
0.0159 ppb | 0.02 | — | — | — | — | — | Below guideline |
| Vanadium Other |
4.47 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Aluminum Heavy metal |
108.6 ppb | 600.0 | — | 200 | — | 600 | — | Below guideline |
| Molybdenum Other |
6.43 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Barium Heavy metal |
98.4 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Selenium Heavy metal |
3.07 ppb | 30.0 | 50.0 | 20 | 40 | 30 | — | Below guideline |
| Monobromoacetic acid Disinfection byproduct |
0.827 ppb | 25.0 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
2.19 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Perfluorobutanoic Acid (PFBA) PFAS |
4.15 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
1.43 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Cyanide Inorganic |
26.7 ppb | — | 200.0 | 50 | 70 | 150 | — | Below guideline |
| Fluoride Inorganic |
0.553 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Hexadecanoic acid Other |
7.1 ppb | — | — | — | — | — | — | Below guideline |
| Lithium Other |
42.5 ppb | — | — | — | — | — | — | Below guideline |
| Octadecanoic acid Other |
4.9 ppb | — | — | — | — | — | — | Below guideline |
| Tetradecanoic acid Other |
2.9 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 PHARR.