Tap Water Quality Report
Tap water quality in ASHEVILLE, North Carolina
Tap water in ASHEVILLE, North Carolina receives a grade of D (67/100) from TapWaterSafety.org. It's served by ASHEVILLE CITY OF. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in ASHEVILLE's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving ASHEVILLE.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 39.4 ppb, 656x above the EWG health guideline of 0.06 ppb.
Haloacetic acids (HAA5) significantly above health guideline
Moderate concernHaloacetic acids (HAA5) detected at 36.9 ppb, 369x above the EWG health guideline of 0.1 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 36.8 ppb, 245x above the EWG health guideline of 0.15 ppb.
Recommended filters for ASHEVILLE
Filters matched to the specific contaminants in ASHEVILLE'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 ASHEVILLE'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 |
39.4 ppb | 0.06 | — | — | — | — | — | 656× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
36.9 ppb | 0.1 | 60.0 | 60 | — | — | — | 369× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
36.8 ppb | 0.15 | 80.0 | 100 | — | — | — | 245× over |
| Trichloroacetic acid Disinfection byproduct |
18.6 ppb | 0.1 | — | — | — | — | — | 186× over |
| Dichloroacetic acid Disinfection byproduct |
18.1 ppb | 0.2 | — | — | — | — | — | 90× over |
| Chloroform Disinfection byproduct |
33.4 ppb | 0.4 | — | — | — | — | — | 83× over |
| Bromodichloromethane Disinfection byproduct |
3.1 ppb | 0.06 | — | — | — | — | — | 52× over |
| Dibromochloromethane Disinfection byproduct |
0.273 ppb | 0.1 | — | — | — | — | — | 2.7× over |
| Chromium (hexavalent) Heavy metal |
0.0313 ppb | 0.02 | — | — | — | — | — | 1.6× over |
| Chlorate Disinfection byproduct |
108.5 ppb | 210.0 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
0.61 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
0.196 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Vanadium Other |
0.0292 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Perfluoroheptanoic acid (PFHPA) PFAS |
0.189 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.0119 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| 4-Androstene-3,17-dione Other |
0.075 ppt | — | — | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.0124 ppm | — | 4.0 | 1.5 | 1.5 | — | — | 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 ASHEVILLE CITY OF.