Tap Water Quality Report
Tap water quality in LEES SUMMIT, Missouri
Tap water in LEES SUMMIT, Missouri receives a grade of C (79/100) from TapWaterSafety.org. It's served by LEES SUMMIT PWS. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline; Chromium (hexavalent) significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in LEES SUMMIT's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving LEES SUMMIT.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 8.13 ppb, 136x above the EWG health guideline of 0.06 ppb.
Haloacetic acids (HAA5) significantly above health guideline
Moderate concernHaloacetic acids (HAA5) detected at 8.76 ppb, 88x above the EWG health guideline of 0.1 ppb.
Chromium (hexavalent) significantly above health guideline
Moderate concernChromium (hexavalent) detected at 1.75 ppb, 87x above the EWG health guideline of 0.02 ppb.
EPA compliance record
Official U.S. EPA records for LEES SUMMIT PWS (system ID MO1010459) for the last 3 years. Checked 2026-10-07.
| Rule | Type | Since | Status |
|---|---|---|---|
| Public Notice Rule and Revised PN Rule | Other (e.g. public notice) | 06/28/2023 | Open |
| Revised Total Coliform Rule | Missed testing | 05/01/2024 | 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 LEES SUMMIT
Filters matched to the specific contaminants in LEES SUMMIT'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 LEES SUMMIT'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 |
8.13 ppb | 0.06 | — | — | — | — | — | 136× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
8.76 ppb | 0.1 | 60.0 | 60 | — | — | — | 88× over |
| Chromium (hexavalent) Heavy metal |
1.75 ppb | 0.02 | — | — | — | — | — | 87× over |
| Dichloroacetic acid Disinfection byproduct |
8.33 ppb | 0.2 | — | — | — | — | — | 42× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
5.17 ppb | 0.15 | 80.0 | 100 | — | — | — | 34× over |
| Chloroform Disinfection byproduct |
4.57 ppb | 0.4 | — | — | — | — | — | 11× over |
| Bromodichloromethane Disinfection byproduct |
0.602 ppb | 0.06 | — | — | — | — | — | 10× over |
| Trichloroacetic acid Disinfection byproduct |
0.432 ppb | 0.1 | — | — | — | — | — | 4.3× over |
| Vanadium Other |
1.68 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Molybdenum Other |
3.11 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
0.428 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Strontium Radiological |
0.205 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Lithium Other |
38.3 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 LEES SUMMIT PWS.