Tap Water Quality Report
Tap water quality in ALHAMBRA, California
Tap water in ALHAMBRA, California receives a grade of F (58/100) from TapWaterSafety.org. It's served by 2 public water systems, primarily CITY OF ALHAMBRA. The most significant water quality concerns are: Haloacetic acids (HAA5) significantly above health guideline; Haloacetic acids (HAA9) significantly above health guideline; Chromium (hexavalent) significantly above health guideline; PFAS contamination; Arsenic significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in ALHAMBRA's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utilities serving ALHAMBRA.
Haloacetic acids (HAA5) significantly above health guideline
Moderate concernHaloacetic acids (HAA5) detected at 36.2 ppb, 362x above the EWG health guideline of 0.1 ppb.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 11.7 ppb, 195x above the EWG health guideline of 0.06 ppb.
Chromium (hexavalent) significantly above health guideline
Moderate concernChromium (hexavalent) detected at 3.8 ppb, 190x above the EWG health guideline of 0.02 ppb.
PFAS contamination
Severe concernPerfluorooctanoic acid (PFOA) detected. PFAS are persistent chemicals linked to cancer and immune effects with no known safe exposure threshold.
Arsenic significantly above health guideline
Moderate concernArsenic detected at 4.79 ppb, 1197x above the EWG health guideline of 0.004 ppb.
Water systems serving ALHAMBRA
ALHAMBRA is served by 2 public water systems. Click any utility to see its complete grade card and treatment plant contact info.
CITY OF ALHAMBRA
- Haloacetic acids (HAA5) significantly above health guideline
- Haloacetic acids (HAA9) significantly above health guideline
- Chromium (hexavalent) significantly above health guideline
LOS ANGELES CWWD 40 REG 4 & 34 LANCASTER
- PFAS contamination
- Arsenic significantly above health guideline
- Perfluorohexane sulfonate (PFHXS) significantly above health guideline
Recommended filters for ALHAMBRA
Filters matched to the specific contaminants in ALHAMBRA's water supply.
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 ALHAMBRA'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 |
4.79 ppb | 0.004 | 10.0 | 10 | 10 | 0.004 | — | 1197× over |
| Perfluorohexane sulfonate (PFHXS) PFAS |
1.06 ppt | 0.001 | 10.0 | — | — | — | — | 1059× over |
| Chromium (hexavalent) Heavy metal |
8.02 ppb | 0.02 | — | — | — | — | — | 401× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
36.2 ppb | 0.1 | 60.0 | 60 | — | — | — | 362× over |
| Haloacetic acids (HAA9) Disinfection byproduct |
16.4 ppb | 0.06 | — | — | — | — | — | 274× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
27.5 ppb | 0.15 | 80.0 | 100 | — | — | — | 184× over |
| Bromodichloromethane Disinfection byproduct |
7.99 ppb | 0.06 | — | — | — | — | — | 133× over |
| Dibromoacetic acid Disinfection byproduct |
3.52 ppb | 0.03 | — | — | — | — | — | 117× over |
| Dibromochloromethane Disinfection byproduct |
10.0 ppb | 0.1 | — | — | — | — | — | 100× over |
| Nitrate and nitrite Inorganic |
5.25 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 38× over |
| Bromate* Disinfection byproduct |
2.21 ppb | 0.1 | 10.0 | 10 | 10 | 0.1 | — | 22× over |
| Dichloroacetic acid Disinfection byproduct |
3.59 ppb | 0.2 | — | — | — | — | — | 18× over |
| Trichloroacetic acid Disinfection byproduct |
1.65 ppb | 0.1 | — | — | — | — | — | 17× over |
| Chloroform Disinfection byproduct |
6.27 ppb | 0.4 | — | — | — | — | — | 16× over |
| Bromoform Disinfection byproduct |
7.38 ppb | 0.5 | — | — | — | — | — | 15× over |
| Nitrate Inorganic |
1.61 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 12× over |
| Uranium Radiological |
4.18 pCi/L | 0.43 | 20.0 | 30 | 30 | 0.43 | — | 9.7× over |
| Perfluorooctanoic acid (PFOA) PFAS |
0.613 ppt | 0.09 | 4.0 | 100 | 100 | 0.007 | — | 6.8× over |
| Radium, combined (-226 and -228)* Radiological |
0.18 pCi/L | 0.05 | 5.0 | — | — | — | — | 3.6× over |
| Tetrachloroethylene (perchloroethylene) Volatile organic compound |
0.0657 ppb | 0.06 | 5.0 | — | — | — | — | 1.1× over |
| Vanadium Other |
15.5 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Chlorate Disinfection byproduct |
137.3 ppb | 210.0 | — | — | — | — | — | Below guideline |
| Perfluoropentane sulfonic acid (PFPeS) PFAS |
0.573 ppt | 1.0 | — | — | — | — | — | Below guideline |
| Perchlorate Disinfection byproduct |
0.51 ppb | 1.0 | — | — | — | — | — | Below guideline |
| 6:2 Fluorotelomer Sulfonic Acid (6:2 FTSA) Other |
0.483 ppt | 1.0 | — | — | — | — | — | Below guideline |
| Molybdenum Other |
5.42 ppb | 40.0 | — | — | — | — | — | Below guideline |
| 1,4-Dioxane Semi-volatile organic compound |
0.0223 ppb | 0.35 | — | — | 50 | 1 | — | Below guideline |
| Barium Heavy metal |
35.7 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Bromochloromethane Other |
0.00108 ppb | 0.06 | — | — | — | — | — | Below guideline |
| Monobromoacetic acid Disinfection byproduct |
0.396 ppb | 25.0 | — | — | — | — | — | Below guideline |
| 1,2,3-Trichloropropane Other |
7e-06 ppb | 0.0007 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
0.749 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Perfluorohexanoic Acid (PFHxA) PFAS |
4.22 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Perfluoropentanoic Acid (PFPeA) PFAS |
3.23 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Aluminum Heavy metal |
1.79 ppb | 600.0 | — | 200 | — | 600 | — | Below guideline |
| Aluminum* Heavy metal |
1.46 ppb | 600.0 | — | 200 | — | 600 | — | Below guideline |
| Perfluorobutanoic Acid (PFBA) PFAS |
1.24 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
0.0469 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Perfluorobutane sulfonate (PFBS) PFAS |
1.34 ppt | 2000.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.613 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Perfluoroheptanoic acid (PFHPA) PFAS |
0.404 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Chlorodifluoromethane Other |
0.065 ppb | — | — | — | — | — | — | Below guideline |
| cis-1,2-Dichloroethylene Volatile organic compound |
0.0194 ppb | — | 70.0 | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.612 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Lithium Other |
22.8 ppb | — | — | — | — | — | — | Below guideline |
| Chromium (total) Heavy metal |
9.34 ppb | — | 100.0 | — | — | — | — | Below guideline |
| Germanium Other |
0.00846 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 ALHAMBRA.