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Water Quality Report · Updated October 07, 2026

MONTGOMERY COUNTY WATER SERVICES 2 PWS

Serving 83,033 residents in KETTERING, Ohio .

National rank 50th percentile
Ohio rank 55th percentile
Data confidence Medium
Quick answer

MONTGOMERY COUNTY WATER SERVICES 2 PWS delivers tap water graded C (70/100) 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.

Data sources for this grade: utilities.csv EWG Tap Water Database ⓘ How did we get this rating?
83,033
People served
1
City served
28
Contaminants detected
16
Above health guidelines

Is KETTERING tap water safe to drink?

MONTGOMERY COUNTY WATER SERVICES 2 PWS delivers tap water that earns a grade of C (70/100) from TapWaterSafety.org — an average rating, with several contaminants above health guidelines but generally compliant with US legal limits.

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.

EPA compliance record

Official U.S. EPA records for MONTGOMERY COUNTY WATER SERVICES 2 PWS (system ID OH5701503) for the last 3 years. Checked 2026-10-07.

No EPA violations in the last 3 years.
0 of 12quarters with a violation
Nolead above EPA action level
01/30/2025last state inspection

Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.

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 concern

Perfluorooctane 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 concern

Perfluorohexane 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 concern

Haloacetic 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 concern

Total 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.

Recommended water filters for KETTERING

Filters matched to the specific contaminants in this water supply.

Filter certified for PFOA/PFOS (NSF/ANSI 53 or 58)

$180-$750

Reverse osmosis and some carbon block filters reduce PFAS. Look for certification to NSF/ANSI 53 or 58 for PFOA/PFOS.

AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, 372
Editorial pick · affiliate link coming soon
Aquasana AQ-5300 Under-Sink Filter
$180-$240 NSF 42, 53, 401, 372
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401
Editorial pick · affiliate link coming soon
Waterdrop G3P800 Tankless RO
$600-$750 NSF 42, 53, 58, 372
View on retailer →

Carbon filter certified for VOCs (NSF/ANSI 53)

$180-$599

Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.

Aquasana AQ-5300 Under-Sink Filter
$180-$240 NSF 42, 53, 401, 372
Editorial pick · affiliate link coming soon
AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, 372
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401
Editorial pick · affiliate link coming soon

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 70/100 breaks down across five weighted components. Read the full methodology →

Health Guideline Performance
19 / 40
Legal Compliance
20 / 20
High-Risk Contaminants
14 / 20
Compliance History
10 / 10
Source Water Vulnerability
7 / 10

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.

About this water system

Public Water System ID
OH5701503
Owner type
Local government
Source water
Surface water (purchased)
Service connections
32,220
Service area
KETTERING, Montgomery County, Ohio