Tap Water Quality Report
Tap water quality in ALEXANDRIA, Louisiana
Tap water in ALEXANDRIA, Louisiana receives a grade of C (76/100) from TapWaterSafety.org. It's served by CITY OF ALEXANDRIA WATER SYSTEM. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline; Bromodichloromethane significantly above health guideline; Arsenic detected. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in ALEXANDRIA's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving ALEXANDRIA.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 13.5 ppb, 224x 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, 143x above the EWG health guideline of 0.15 ppb.
Bromodichloromethane significantly above health guideline
Moderate concernBromodichloromethane detected at 7.05 ppb, 118x above the EWG health guideline of 0.06 ppb.
Arsenic detected
Moderate concernArsenic detected at 0.427 ppb.
EPA compliance record
Official U.S. EPA records for CITY OF ALEXANDRIA WATER SYSTEM (system ID LA1079001) 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 ALEXANDRIA
Filters matched to the specific contaminants in ALEXANDRIA'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 ALEXANDRIA'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 |
13.5 ppb | 0.06 | — | — | — | — | — | 224× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
21.5 ppb | 0.15 | 80.0 | 100 | — | — | — | 143× over |
| Bromodichloromethane Disinfection byproduct |
7.05 ppb | 0.06 | — | — | — | — | — | 118× over |
| Arsenic Heavy metal |
0.427 ppb | 0.004 | 10.0 | 10 | 10 | 0.004 | — | 107× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
8.55 ppb | 0.1 | 60.0 | 60 | — | — | — | 86× over |
| Dibromochloromethane Disinfection byproduct |
7.33 ppb | 0.1 | — | — | — | — | — | 73× over |
| Dibromoacetic acid Disinfection byproduct |
1.78 ppb | 0.03 | — | — | — | — | — | 59× over |
| Trichloroacetic acid Disinfection byproduct |
3.27 ppb | 0.1 | — | — | — | — | — | 33× over |
| Chloroform Disinfection byproduct |
5.63 ppb | 0.4 | — | — | — | — | — | 14× over |
| Dichloroacetic acid Disinfection byproduct |
2.73 ppb | 0.2 | — | — | — | — | — | 14× over |
| Radium, combined (-226 and -228) Radiological |
0.18 pCi/L | 0.05 | 5.0 | — | — | — | — | 3.7× over |
| Bromoform Disinfection byproduct |
1.47 ppb | 0.5 | — | — | — | — | — | 2.9× over |
| Chromium (hexavalent) Heavy metal |
0.0508 ppb | 0.02 | — | — | — | — | — | 2.5× over |
| Nitrate and nitrite Inorganic |
0.0381 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | Below guideline |
| Manganese Heavy metal |
12.2 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| 1,2-Dichloroethane Volatile organic compound |
0.0423 ppb | 0.4 | 5.0 | — | — | — | — | Below guideline |
| Molybdenum Other |
2.8 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Antimony Heavy metal |
0.0538 ppb | 1.0 | 6.0 | 10 | 20 | 1 | — | Below guideline |
| Monobromoacetic acid Disinfection byproduct |
0.767 ppb | 25.0 | — | — | — | — | — | Below guideline |
| Aluminum Heavy metal |
6.15 ppb | 600.0 | — | 200 | — | 600 | — | Below guideline |
| Dichloromethane (methylene chloride) Volatile organic compound |
0.0271 ppb | 4.0 | 5.0 | — | — | — | — | Below guideline |
| Diquat Pesticide/Herbicide |
0.005 ppb | 6.0 | 20.0 | — | — | — | — | Below guideline |
| Toluene Volatile organic compound |
0.00904 ppb | 150.0 | 1000.0 | — | — | — | — | Below guideline |
| Strontium Radiological |
0.0306 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Alachlor (Lasso) Pesticide/Herbicide |
0.000692 ppb | — | 2.0 | — | — | — | — | Below guideline |
| Dalapon Pesticide/Herbicide |
0.0119 ppb | — | 200.0 | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.969 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Germanium Other |
3.41 ppb | — | — | — | — | — | — | Below guideline |
| Lithium Other |
31.0 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 ALEXANDRIA WATER SYSTEM.