Tap Water Quality Report
Tap water quality in CARMEL, Indiana
Tap water in CARMEL, Indiana receives a grade of C (75/100) from TapWaterSafety.org. It's served by 2 public water systems, primarily CARMEL WATER DEPARTMENT. 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 CARMEL's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utilities serving CARMEL.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 13.9 ppb, 231x above the EWG health guideline of 0.06 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 31.2 ppb, 208x above the EWG health guideline of 0.15 ppb.
Haloacetic acids (HAA5) significantly above health guideline
Moderate concernHaloacetic acids (HAA5) detected at 13.5 ppb, 135x above the EWG health guideline of 0.1 ppb.
Water systems serving CARMEL
CARMEL is served by 2 public water systems. Click any utility to see its complete grade card and treatment plant contact info.
CARMEL WATER DEPARTMENT
- Haloacetic acids (HAA9) significantly above health guideline
- Total trihalomethanes (TTHMs) significantly above health guideline
- Haloacetic acids (HAA5) significantly above health guideline
CITIZENS WATER OF WESTFIELD, LLC
- Haloacetic acids (HAA9) significantly above health guideline
- Total trihalomethanes (TTHMs) significantly above health guideline
- Haloacetic acids (HAA5) significantly above health guideline
Recommended filters for CARMEL
Filters matched to the specific contaminants in CARMEL'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 CARMEL'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 |
13.9 ppb | 0.06 | — | — | — | — | — | 231× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
31.2 ppb | 0.15 | 80.0 | 100 | — | — | — | 208× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
13.5 ppb | 0.1 | 60.0 | 60 | — | — | — | 135× over |
| Bromodichloromethane Disinfection byproduct |
2.98 ppb | 0.06 | — | — | — | — | — | 50× over |
| Dibromochloromethane Disinfection byproduct |
1.85 ppb | 0.1 | — | — | — | — | — | 19× over |
| Nitrate and nitrite Inorganic |
2.05 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 15× over |
| Radium, combined (-226 and -228) Radiological |
0.64 pCi/L | 0.05 | 5.0 | — | — | — | — | 13× over |
| Chloroform Disinfection byproduct |
5.25 ppb | 0.4 | — | — | — | — | — | 13× over |
| Nitrate Inorganic |
0.123 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | Below guideline |
| Bromoform Disinfection byproduct |
0.392 ppb | 0.5 | — | — | — | — | — | Below guideline |
| Barium Heavy metal |
197.4 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Molybdenum Other |
5.67 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Chromium (hexavalent) Heavy metal |
0.00214 ppb | 0.02 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
1.77 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Chloromethane Other |
0.00429 ppb | 2.69 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.22 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Xylenes (total) Volatile organic compound |
0.0607 ppb | 1800.0 | 10000.0 | — | — | — | — | Below guideline |
| Chlorodifluoromethane Other |
0.0142 ppb | — | — | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.711 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Lithium Other |
0.957 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 CARMEL WATER DEPARTMENT.