Tap Water Quality Report
Tap water quality in EDINBURG, Texas
Tap water in EDINBURG, Texas receives a grade of F (58/100) from TapWaterSafety.org. It's served by 2 public water systems, primarily NORTH ALAMO WSC. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Bromochloroacetic acid significantly above health guideline; Arsenic significantly above health guideline; PFAS contamination; Dibromoacetic acid significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in EDINBURG's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utilities serving EDINBURG.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 27.1 ppb, 452x above the EWG health guideline of 0.06 ppb.
Bromochloroacetic acid significantly above health guideline
Moderate concernBromochloroacetic acid detected at 8.29 ppb, 415x above the EWG health guideline of 0.02 ppb.
Arsenic significantly above health guideline
Moderate concernArsenic detected at 1.29 ppb, 324x above the EWG health guideline of 0.004 ppb.
PFAS contamination
Severe concernPerfluorooctane sulfonate (PFOS) detected. PFAS are persistent chemicals linked to cancer and immune effects with no known safe exposure threshold.
Dibromoacetic acid significantly above health guideline
Moderate concernDibromoacetic acid detected at 10.7 ppb, 356x above the EWG health guideline of 0.03 ppb.
Water systems serving EDINBURG
EDINBURG is served by 2 public water systems. Click any utility to see its complete grade card and treatment plant contact info.
NORTH ALAMO WSC
- Haloacetic acids (HAA9) significantly above health guideline
- Bromochloroacetic acid significantly above health guideline
- Arsenic significantly above health guideline
CITY OF EDINBURG
- PFAS contamination
- Arsenic significantly above health guideline
- Bromochloroacetic acid significantly above health guideline
Recommended filters for EDINBURG
Filters matched to the specific contaminants in EDINBURG's water supply.
Carbon block (NSF/ANSI 42 + 53)
$40-$750Activated carbon is highly effective for disinfection byproducts like TTHM and HAA5.
Reverse Osmosis
$249-$750Arsenic is most effectively removed by reverse osmosis. Some specialized adsorptive filters also work.
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 EDINBURG'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 |
2.15 ppb | 0.004 | 10.0 | 10 | 10 | 0.004 | — | 538× over |
| Haloacetic acids (HAA9) Disinfection byproduct |
27.1 ppb | 0.06 | — | — | — | — | — | 452× over |
| Bromochloroacetic acid Disinfection byproduct |
8.29 ppb | 0.02 | — | — | — | — | — | 415× over |
| Dibromoacetic acid Disinfection byproduct |
10.7 ppb | 0.03 | — | — | — | — | — | 356× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
39.9 ppb | 0.15 | 80.0 | 100 | — | — | — | 266× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
19.1 ppb | 0.1 | 60.0 | 60 | — | — | — | 191× over |
| Bromodichloromethane Disinfection byproduct |
8.79 ppb | 0.06 | — | — | — | — | — | 146× over |
| Perfluorohexane sulfonate (PFHXS) PFAS |
0.131 ppt | 0.001 | 10.0 | — | — | — | — | 131× over |
| Dibromochloromethane Disinfection byproduct |
12.9 ppb | 0.1 | — | — | — | — | — | 129× over |
| Dichloroacetic acid Disinfection byproduct |
8.35 ppb | 0.2 | — | — | — | — | — | 42× over |
| Bromoform Disinfection byproduct |
16.5 ppb | 0.5 | — | — | — | — | — | 33× over |
| Trichloroacetic acid Disinfection byproduct |
1.53 ppb | 0.1 | — | — | — | — | — | 15× over |
| Chloroform Disinfection byproduct |
4.18 ppb | 0.4 | — | — | — | — | — | 10× over |
| Chlorite Disinfection byproduct |
358.9 ppb | 50.0 | 1000.0 | — | — | — | — | 7.2× over |
| Uranium Radiological |
1.47 pCi/L | 0.43 | 20.0 | 30 | 30 | 0.43 | — | 3.4× over |
| Nitrate Inorganic |
0.333 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 2.4× over |
| Perfluorooctane sulfonate (PFOS) PFAS |
0.563 ppt | 0.3 | 4.0 | 100 | 100 | 1 | — | 1.9× over |
| Chromium (hexavalent) Heavy metal |
0.0277 ppb | 0.02 | — | — | — | — | — | 1.4× over |
| Chlorate Disinfection byproduct |
255.9 ppb | 210.0 | — | — | — | — | — | 1.2× over |
| Vanadium Other |
4.42 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Aluminum Heavy metal |
123.6 ppb | 600.0 | — | 200 | — | 600 | — | Below guideline |
| Barium Heavy metal |
105.7 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Molybdenum Other |
5.87 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Selenium Heavy metal |
3.58 ppb | 30.0 | 50.0 | 20 | 40 | 30 | — | Below guideline |
| Bromochloromethane Other |
0.00384 ppb | 0.06 | — | — | — | — | — | Below guideline |
| Antimony Heavy metal |
0.0632 ppb | 1.0 | 6.0 | 10 | 20 | 1 | — | Below guideline |
| Atrazine Pesticide/Herbicide |
0.00407 ppb | 0.1 | 3.0 | 0.1 | 100 | 0.15 | — | Below guideline |
| Manganese Heavy metal |
3.86 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Monobromoacetic acid Disinfection byproduct |
0.929 ppb | 25.0 | — | — | — | — | — | Below guideline |
| Perfluorobutanoic Acid (PFBA) PFAS |
3.54 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
0.123 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Cobalt Other |
0.0735 ppb | 70.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
1.33 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Perfluoropentanoic Acid (PFPeA) PFAS |
0.281 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Perfluorohexanoic Acid (PFHxA) PFAS |
0.258 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Perfluorobutane sulfonate (PFBS) PFAS |
0.425 ppt | 2000.0 | — | — | — | — | — | Below guideline |
| Cyanide Inorganic |
35.0 ppb | — | 200.0 | 50 | 70 | 150 | — | Below guideline |
| Fluoride Inorganic |
0.627 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Hexadecanoic acid Other |
15.7 ppb | — | — | — | — | — | — | Below guideline |
| Lithium Other |
38.2 ppb | — | — | — | — | — | — | Below guideline |
| Octadecanoic acid Other |
21.6 ppb | — | — | — | — | — | — | Below guideline |
| 1-Butanol Other |
0.312 ppb | — | — | — | — | — | — | Below guideline |
| Tetradecanoic acid Other |
6.02 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 NORTH ALAMO WSC.