Tap Water Quality Report
Tap water quality in ANDERSON, Indiana
Tap water in ANDERSON, Indiana receives a grade of C (78/100) from TapWaterSafety.org. It's served by ANDERSON WATER DEPARTMENT. The most significant water quality concerns are: Total trihalomethanes (TTHMs) significantly above health guideline; Arsenic significantly above health guideline; Haloacetic acids (HAA9) significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in ANDERSON's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving ANDERSON.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 29.4 ppb, 196x above the EWG health guideline of 0.15 ppb.
Arsenic significantly above health guideline
Moderate concernArsenic detected at 0.72 ppb, 180x above the EWG health guideline of 0.004 ppb.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 10.2 ppb, 170x above the EWG health guideline of 0.06 ppb.
EPA compliance record
Official U.S. EPA records for ANDERSON WATER DEPARTMENT (system ID IN5248002) for the last 3 years. Checked 2026-10-07.
| Rule | Type | Since | Status |
|---|---|---|---|
| Revised Total Coliform Rule | Contaminant above the legal limit | 12/01/2024 | 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 ANDERSON
Filters matched to the specific contaminants in ANDERSON's water supply.
Carbon filter certified for VOCs (NSF/ANSI 53)
$180-$599Activated carbon is effective for disinfection byproducts like TTHM. Look for NSF/ANSI 53 VOC or chloroform reduction.
Reverse osmosis certified for arsenic (NSF/ANSI 58)
$429-$599Reverse osmosis certified under NSF/ANSI 58 for arsenic is the most reliable home option.
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 ANDERSON'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 |
|---|---|---|---|---|---|---|---|---|
| Total trihalomethanes (TTHMs) Disinfection byproduct |
29.4 ppb | 0.15 | 80.0 | 100 | — | — | — | 196× over |
| Arsenic Heavy metal |
0.72 ppb | 0.004 | 10.0 | 10 | 10 | 0.004 | — | 180× over |
| Haloacetic acids (HAA9) Disinfection byproduct |
10.2 ppb | 0.06 | — | — | — | — | — | 170× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
13.5 ppb | 0.1 | 60.0 | 60 | — | — | — | 135× over |
| Nitrate Inorganic |
0.154 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 1.1× over |
| Chromium (hexavalent) Heavy metal |
0.0216 ppb | 0.02 | — | — | — | — | — | 1.1× over |
| Barium Heavy metal |
155.6 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Molybdenum Other |
6.56 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Trichloroethylene Volatile organic compound |
0.0415 ppb | 0.4 | 5.0 | 10 | 20 | 1.7 | — | Below guideline |
| Di(2-ethylhexyl) phthalate Semi-volatile organic compound |
0.0469 ppb | 3.0 | 6.0 | — | — | — | — | Below guideline |
| Chlorate Disinfection byproduct |
2.24 ppb | 210.0 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
0.182 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Strontium Radiological |
0.386 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.826 ppm | — | 4.0 | 1.5 | 1.5 | — | — | 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 ANDERSON WATER DEPARTMENT.