Tap Water Quality Report
Tap water quality in INDEPENDENCE, Missouri
Tap water in INDEPENDENCE, Missouri receives a grade of C (71/100) from TapWaterSafety.org. It's served by INDEPENDENCE PWS. The most significant water quality concerns are: Radon significantly above health guideline; Haloacetic acids (HAA9) significantly above health guideline; Chromium (hexavalent) significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in INDEPENDENCE's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving INDEPENDENCE.
Radon significantly above health guideline
Moderate concernRadon detected at 109.0 pCi/L, 73x above the EWG health guideline of 1.5 pCi/L.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 3.95 ppb, 66x above the EWG health guideline of 0.06 ppb.
Chromium (hexavalent) significantly above health guideline
Moderate concernChromium (hexavalent) detected at 0.845 ppb, 42x above the EWG health guideline of 0.02 ppb.
Recommended filters for INDEPENDENCE
Filters matched to the specific contaminants in INDEPENDENCE'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 INDEPENDENCE'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 |
|---|---|---|---|---|---|---|---|---|
| Radon Radiological |
109.0 pCi/L | 1.5 | — | — | — | — | — | 73× over |
| Haloacetic acids (HAA9) Disinfection byproduct |
3.95 ppb | 0.06 | — | — | — | — | — | 66× over |
| Chromium (hexavalent) Heavy metal |
0.845 ppb | 0.02 | — | — | — | — | — | 42× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
2.78 ppb | 0.1 | 60.0 | 60 | — | — | — | 28× over |
| Dichloroacetic acid Disinfection byproduct |
2.58 ppb | 0.2 | — | — | — | — | — | 13× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
1.92 ppb | 0.15 | 80.0 | 100 | — | — | — | 13× over |
| Chloroform Disinfection byproduct |
1.77 ppb | 0.4 | — | — | — | — | — | 4.4× over |
| Dibromoacetic acid Disinfection byproduct |
0.0738 ppb | 0.03 | — | — | — | — | — | 2.5× over |
| Nitrate and nitrite Inorganic |
0.222 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 1.6× over |
| Bromodichloromethane Disinfection byproduct |
0.0936 ppb | 0.06 | — | — | — | — | — | 1.6× over |
| Trichloroacetic acid Disinfection byproduct |
0.123 ppb | 0.1 | — | — | — | — | — | 1.2× over |
| Molybdenum Other |
3.21 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Vanadium Other |
1.59 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Barium Heavy metal |
48.7 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Manganese Heavy metal |
0.203 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Strontium Radiological |
0.198 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.2 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Lithium Other |
37.2 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 INDEPENDENCE PWS.