Tap Water Quality Report
Tap water quality in KINGSPORT, Tennessee
Tap water in KINGSPORT, Tennessee receives a grade of D (65/100) from TapWaterSafety.org. It's served by KINGSPORT WATER DEPT. The most significant water quality concerns are: PFAS contamination; 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 KINGSPORT's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving KINGSPORT.
PFAS contamination
Severe concernPerfluorooctane sulfonate (PFOS) detected. PFAS are persistent chemicals linked to cancer and immune effects with no known safe exposure threshold.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 51.4 ppb, 857x above the EWG health guideline of 0.06 ppb.
Haloacetic acids (HAA5) significantly above health guideline
Moderate concernHaloacetic acids (HAA5) detected at 31.5 ppb, 315x above the EWG health guideline of 0.1 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 42.9 ppb, 286x above the EWG health guideline of 0.15 ppb.
EPA compliance record
Official U.S. EPA records for KINGSPORT WATER DEPT (system ID TN0000349) for the last 3 years. Checked 2026-10-07.
| Rule | Type | Since | Status |
|---|---|---|---|
| Consumer Confidence Rule | Other (e.g. public notice) | 07/01/2023 | Open |
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 KINGSPORT
Filters matched to the specific contaminants in KINGSPORT's water supply.
Filter certified for PFOA/PFOS (NSF/ANSI 53 or 58)
$180-$750Reverse osmosis and some carbon block filters reduce PFAS. Look for certification to NSF/ANSI 53 or 58 for PFOA/PFOS.
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 KINGSPORT'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 |
51.4 ppb | 0.06 | — | — | — | — | — | 857× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
31.5 ppb | 0.1 | 60.0 | 60 | — | — | — | 315× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
42.9 ppb | 0.15 | 80.0 | 100 | — | — | — | 286× over |
| Trichloroacetic acid Disinfection byproduct |
19.6 ppb | 0.1 | — | — | — | — | — | 196× over |
| Bromodichloromethane Disinfection byproduct |
5.76 ppb | 0.06 | — | — | — | — | — | 96× over |
| Chloroform Disinfection byproduct |
35.1 ppb | 0.4 | — | — | — | — | — | 88× over |
| Dichloroacetic acid Disinfection byproduct |
10.2 ppb | 0.2 | — | — | — | — | — | 51× over |
| Chromium (hexavalent) Heavy metal |
0.107 ppb | 0.02 | — | — | — | — | — | 5.3× over |
| Nitrate Inorganic |
0.566 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 4.0× over |
| Perfluorooctane sulfonate (PFOS) PFAS |
0.492 ppt | 0.3 | 4.0 | 100 | 100 | 1 | — | 1.6× over |
| Dibromochloromethane Disinfection byproduct |
0.113 ppb | 0.1 | — | — | — | — | — | 1.1× over |
| Manganese Heavy metal |
13.6 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Barium Heavy metal |
32.7 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Chlorate Disinfection byproduct |
2.75 ppb | 210.0 | — | — | — | — | — | Below guideline |
| Vanadium Other |
0.223 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
0.385 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.113 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.395 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Lithium Other |
12.1 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 KINGSPORT WATER DEPT.