Water Quality Report · Updated May 12, 2026
MONTGOMERY COUNTY WATER SERVICES 2 PWS
MONTGOMERY COUNTY WATER SERVICES 2 PWS delivers tap water graded D (61/100) by TapWaterSafety.org. The utility serves approximately 83,033 residents in KETTERING, Ohio using surface water (purchased). The most significant water quality concerns are: PFAS contamination; Perfluorohexane sulfonate (PFHXS) significantly above health guideline; Haloacetic acids (HAA9) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline. For questions, the utility can be reached at 937-781-2662.
Is KETTERING tap water safe to drink?
MONTGOMERY COUNTY WATER SERVICES 2 PWS delivers tap water that earns a grade of D (61/100) from TapWaterSafety.org — a below-average rating, with multiple concerns including pfas contamination.
The utility serves 83,033 residents in KETTERING, drawing from surface water (purchased).
Public testing data identifies 16 contaminants in this water above EWG's health-based guidelines, including: Perfluorohexane sulfonate (PFHXS), Haloacetic acids (HAA9), Total trihalomethanes (TTHMs), Bromodichloromethane, Dibromoacetic acid, Dibromochloromethane, Haloacetic acids (HAA5), Chloroform, Dichloroacetic acid, Perfluorooctane sulfonate (PFOS), Nitrate*, Nitrate and nitrite*, Trichloroacetic acid, Bromoform, Chromium (hexavalent), 1,4-Dioxane. For most residents, a properly certified home filter at the kitchen tap is the most cost-effective way to reduce exposure to whatever's in your water. See our filter recommendations below, matched specifically to this utility's contaminant profile.
Quick actions for KETTERING residents
Top concerns in this water
Based on the most recent EPA and EWG data, these are the most significant water quality issues for MONTGOMERY COUNTY WATER SERVICES 2 PWS.
PFAS contamination
Severe concernPerfluorooctane sulfonate (PFOS) detected. PFAS are persistent chemicals linked to cancer and immune effects with no known safe exposure threshold.
Perfluorohexane sulfonate (PFHXS) significantly above health guideline
Moderate concernPerfluorohexane sulfonate (PFHXS) detected at 4.13 ppt, 4125x above the EWG health guideline of 0.001 ppt.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 11.0 ppb, 183x above the EWG health guideline of 0.06 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 25.2 ppb, 168x above the EWG health guideline of 0.15 ppb.
Contact MONTGOMERY COUNTY WATER SERVICES 2 PWS
Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.
General Contact
Treatment Plant
Recommended water filters for KETTERING
Filters matched to the specific contaminants in this water supply.
Reverse Osmosis or NSF P473 certified carbon
$80-$750Activated carbon and RO are the only technologies proven to remove PFAS at certified levels.
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.
Score breakdown
This utility's overall score of 61/100 breaks down across five weighted components. Read the full methodology →
Contaminants detected — international standards comparison
Every contaminant detected, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal (the strictest US benchmark). 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 |
|---|---|---|---|---|---|---|---|---|
| Perfluorohexane sulfonate (PFHXS) PFAS |
4.13 ppt | 0.001 | 10.0 | — | — | — | — | 4125× over |
| Haloacetic acids (HAA9) Disinfection byproduct |
11.0 ppb | 0.06 | — | — | — | — | — | 183× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
25.2 ppb | 0.15 | 80.0 | 100 | — | — | — | 168× over |
| Bromodichloromethane Disinfection byproduct |
7.95 ppb | 0.06 | — | — | — | — | — | 133× over |
| Dibromoacetic acid Disinfection byproduct |
2.45 ppb | 0.03 | — | — | — | — | — | 82× over |
| Dibromochloromethane Disinfection byproduct |
6.89 ppb | 0.1 | — | — | — | — | — | 69× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
5.53 ppb | 0.1 | 60.0 | 60 | — | — | — | 55× over |
| Chloroform Disinfection byproduct |
8.38 ppb | 0.4 | — | — | — | — | — | 21× over |
| Dichloroacetic acid Disinfection byproduct |
2.86 ppb | 0.2 | — | — | — | — | — | 14× over |
| Perfluorooctane sulfonate (PFOS) PFAS |
3.45 ppt | 0.3 | 4.0 | 100 | 100 | 1 | — | 12× over |
| Nitrate* Inorganic |
0.767 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 5.5× over |
| Nitrate and nitrite* Inorganic |
0.705 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 5.0× over |
| Trichloroacetic acid Disinfection byproduct |
0.5 ppb | 0.1 | — | — | — | — | — | 5.0× over |
| Bromoform Disinfection byproduct |
1.99 ppb | 0.5 | — | — | — | — | — | 4.0× over |
| Chromium (hexavalent) Heavy metal |
0.0709 ppb | 0.02 | — | — | — | — | — | 3.5× over |
| 1,4-Dioxane Semi-volatile organic compound |
0.745 ppb | 0.35 | — | — | 50 | 1 | — | 2.1× over |
| Molybdenum Other |
4.46 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Barium* Heavy metal |
73.7 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Manganese* Heavy metal |
7.55 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
1.28 ppb | 53.0 | — | — | — | — | — | Below guideline |
| 1,1-Dichloroethane Volatile organic compound |
0.0105 ppb | 3.0 | — | — | — | — | — | Below guideline |
| Perfluoropentanoic Acid (PFPeA) PFAS |
1.78 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Perfluorohexanoic Acid (PFHxA) PFAS |
1.3 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Perfluorobutane sulfonate (PFBS) PFAS |
0.75 ppt | 2000.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.554 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| 2-Methoxyethanol* Other |
3.25 ppb | — | — | — | — | — | — | Below guideline |
| cis-1,2-Dichloroethylene* Volatile organic compound |
0.0974 ppb | — | 70.0 | — | — | — | — | Below guideline |
| Fluoride* Inorganic |
0.878 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 (4th ed.), California OEHHA PHGs, EWG Tap Water Database.
MONTGOMERY COUNTY WATER SERVICES 2 PWS service area
This water system serves 1 community in Montgomery County, Ohio. Click any city for its dedicated tap water quality page.
Find the right filter for KETTERING water
Browse filter categories by water-quality concern. Each option below is NSF-certified for the matched contaminant type.