Tap Water Quality Report
Tap water quality in HAMMOND, Indiana
Tap water in HAMMOND, Indiana receives a grade of C (71/100) from TapWaterSafety.org. It's served by HAMMOND WATER WORKS DEPARTMENT. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline; Bromodichloromethane significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in HAMMOND's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving HAMMOND.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 15.8 ppb, 263x above the EWG health guideline of 0.06 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 16.2 ppb, 108x above the EWG health guideline of 0.15 ppb.
Bromodichloromethane significantly above health guideline
Moderate concernBromodichloromethane detected at 6.21 ppb, 103x above the EWG health guideline of 0.06 ppb.
Recommended filters for HAMMOND
Filters matched to the specific contaminants in HAMMOND'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 HAMMOND'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 |
15.8 ppb | 0.06 | — | — | — | — | — | 263× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
16.2 ppb | 0.15 | 80.0 | 100 | — | — | — | 108× over |
| Bromodichloromethane Disinfection byproduct |
6.21 ppb | 0.06 | — | — | — | — | — | 103× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
4.02 ppb | 0.1 | 60.0 | 60 | — | — | — | 40× over |
| Dibromochloromethane Disinfection byproduct |
3.55 ppb | 0.1 | — | — | — | — | — | 36× over |
| Chloroform Disinfection byproduct |
6.66 ppb | 0.4 | — | — | — | — | — | 17× over |
| Chromium (hexavalent) Heavy metal |
0.161 ppb | 0.02 | — | — | — | — | — | 8.1× over |
| Nitrate and nitrite Inorganic |
0.371 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 2.6× over |
| 1,4-Dioxane Semi-volatile organic compound |
0.065 ppb | 0.35 | — | — | 50 | 1 | — | Below guideline |
| Bromoform Disinfection byproduct |
0.0647 ppb | 0.5 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
5.01 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Barium Heavy metal |
20.7 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Molybdenum Other |
1.09 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Vanadium Other |
0.263 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.115 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Chromium (total) Heavy metal |
0.267 ppb | — | 100.0 | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.692 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Testosterone Other |
0.025 ppt | — | — | — | — | — | — | 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 HAMMOND WATER WORKS DEPARTMENT.