Tap Water Quality Report
Tap water quality in FORT SMITH, Arkansas
Tap water in FORT SMITH, Arkansas receives a grade of B (80/100) from TapWaterSafety.org. It's served by FORT SMITH WATER UTILITIES. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in FORT SMITH's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving FORT SMITH.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 19.2 ppb, 319x above the EWG health guideline of 0.06 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 30.8 ppb, 206x above the EWG health guideline of 0.15 ppb.
Haloacetic acids (HAA5) significantly above health guideline
Moderate concernHaloacetic acids (HAA5) detected at 16.9 ppb, 169x above the EWG health guideline of 0.1 ppb.
EPA compliance record
Official U.S. EPA records for FORT SMITH WATER UTILITIES (system ID AR0000507) 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 FORT SMITH
Filters matched to the specific contaminants in FORT SMITH'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.
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 FORT SMITH'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 |
19.2 ppb | 0.06 | — | — | — | — | — | 319× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
30.8 ppb | 0.15 | 80.0 | 100 | — | — | — | 206× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
16.9 ppb | 0.1 | 60.0 | 60 | — | — | — | 169× over |
| Bromodichloromethane Disinfection byproduct |
4.93 ppb | 0.06 | — | — | — | — | — | 82× over |
| Trichloroacetic acid Disinfection byproduct |
6.29 ppb | 0.1 | — | — | — | — | — | 63× over |
| Chloroform Disinfection byproduct |
24.7 ppb | 0.4 | — | — | — | — | — | 62× over |
| Dichloroacetic acid Disinfection byproduct |
9.08 ppb | 0.2 | — | — | — | — | — | 45× over |
| Dibromochloromethane Disinfection byproduct |
0.675 ppb | 0.1 | — | — | — | — | — | 6.8× over |
| Chromium (hexavalent) Heavy metal |
0.0741 ppb | 0.02 | — | — | — | — | — | 3.7× over |
| Nitrate and nitrite Inorganic |
0.229 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 1.6× over |
| Strontium-90 Radiological |
0.31 pCi/L | 0.35 | — | — | — | — | — | Below guideline |
| Tritium Other |
179.4 pCi/L | 400.0 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
11.9 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Aluminum Heavy metal |
68.5 ppb | 600.0 | — | 200 | — | 600 | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
1.47 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Vanadium Other |
0.103 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Monobromoacetic acid Disinfection byproduct |
0.0283 ppb | 25.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.0252 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Chromium (total) Heavy metal |
0.66 ppb | — | 100.0 | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.738 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Strontium-89 Radiological |
0.06 pCi/L | — | — | — | — | — | — | 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 FORT SMITH WATER UTILITIES.