EPA data as of Oct 2026 · page updated 2026-10-30

Home hazard report for 45449 — Dayton, OH

ZIP 45449 is served by West Carrollton City PWS: 1 violation since 2016, latest lead result 0.4 ppb, PFAS not detected. Montgomery County is in EPA radon zone 1.

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Where ZIP 45449 is

Dashed: ZIP area · blue: utility service area · scroll or pinch to zoom
ZIP code areaZIP center Water utility service area PFOA/PFOS ≥ 4 ppt Lead > 15 ppb 5+ violations Superfund site (active) proposed cleaned up Circles: other water systems flagged nearby; size = people served. Tap any symbol for details.

Drinking water: West Carrollton City PWS

EPA IDOH5702812
People served8,361
Sourcegroundwater (wells)
Connections3,367

Health-based violations

Contaminant or ruleHealth-based violations since 2016
Lead and Copper Rule Revisions1

A health-based violation means a contaminant exceeded its legal limit (MCL) or a required treatment technique was not met, as reported by the state to EPA’s SDWIS. All are listed as resolved or archived; the latest began Oct 2024.

Full record for West Carrollton City PWS →

Other systems overlapping this ZIP: Montgomery County Water Services 1 PWS.

Lead

Jan 20220.4 ppb
Jan 20191.4 ppb
Jan 20161.5 ppb
Jan 20130 ppb
Jan 20100 ppb
Jan 20080 ppb
Jan 20055 ppb
Jan 20027.3 ppb

90th-percentile lead per sampling round (90% of the homes sampled were at or below this level). Black line: EPA’s 15 ppb action level; under the Lead and Copper Rule Improvements the action level becomes 10 ppb from 2027.

PFAS (“forever chemicals”)

CompoundHighest resultSamples with detectionEPA limit
PFHxSnot detected0 of 2—
PFDAnot detected0 of 2—
PFOAnot detected0 of 24 ppt MCL
PFOSnot detected0 of 24 ppt MCL
PFNAnot detected0 of 2—
PFHpAnot detected0 of 2—
PFBSnot detected0 of 2—
PFPeAnot detected0 of 2—
PFHxAnot detected0 of 2—
HFPO-DA (GenX)not detected0 of 2—
PFBAnot detected0 of 2—

EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR 5), samples 2023–2025; ppt = parts per trillion (ng/L). The 4.0 ppt maximum contaminant levels for PFOA and PFOS were set by EPA in 2024; water systems have until the end of the decade to comply.

Radon in Montgomery County

EPA radon zone 1 — highest potential. Predicted average indoor radon above 4 pCi/L — EPA’s action level. Test your home.

Radon is a colorless, odorless radioactive gas from soil and rock, and the leading cause of lung cancer among non-smokers. EPA recommends fixing a home at 4 pCi/L or above and considering it from 2 pCi/L. A short-term test kit costs about $15–30. How radon zones work →

Natural hazard risk

FEMA rates the overall natural-hazard risk of this neighborhood (census tract) as Relatively Low, with relatively high social vulnerability and relatively high community resilience.

Riverine floodingRelatively High
Cold waveRelatively Moderate
HailRelatively Moderate
Ice stormRelatively Moderate
LightningRelatively Moderate
Strong windRelatively Moderate
Winter weatherRelatively Moderate
EarthquakeRelatively Low
Heat waveRelatively Low
TornadoRelatively Low
DroughtVery Low
HurricaneVery Low
LandslideVery Low
WildfireVery Low

FEMA National Risk Index (December 2025): expected annual losses from each hazard combined with social vulnerability and community resilience, rated relative to all U.S. census tracts. Hazards not listed are not applicable here. It describes the area, not a single building; flood insurance maps (FEMA FIRMs) decide flood-insurance requirements.

Live conditions: river gauges and flood levels · tornado warnings · wildfire detections · earthquakes — our sister maps, updated from NOAA, USGS and NASA every few minutes.

Superfund sites nearby

SiteStatusDistance
Mound Plant (USDOE)
Miamisburg, Ohio · EPA ID OH6890008984
Active (final NPL)3.7 mi
Sanitary Landfill Co. (Industrial Waste Disposal Co., Inc.)
Dayton, Ohio · EPA ID OHD093895787
Active (final NPL)4.1 mi
South Dayton Dump & Landfill
Moraine, Ohio · EPA ID OHD980611388
Proposed4.6 mi
Behr Dayton Thermal System VOC Plume
Dayton, Ohio · EPA ID OHN000510164
Active (final NPL)8.9 mi
Lammers Barrel
Beavercreek, Ohio · EPA ID OHD981537582
Active (final NPL)9.2 mi
North Sanitary Landfill
Dayton, Ohio · EPA ID OHD980611875
Active (final NPL)9.6 mi

EPA Superfund National Priorities List (NPL): the country’s most serious known hazardous-waste sites, each with an EPA cleanup record (linked). Distance is measured from the ZIP center to the site’s reference point; being near a site does not by itself mean exposure — EPA site pages describe what was found and how it is being cleaned up.

Buying a home in Dayton? See the 2026 conforming, FHA and jumbo loan limits for Montgomery County →

What this is — and isn’t. These are records your water utility and state reported to the EPA, and the EPA’s radon map for your county. They describe the system and the area, not the water from your own tap or the air in your home. For that, read your utility’s annual Consumer Confidence Report and test: lead and radon tests are inexpensive.

Questions about 45449

Who supplies drinking water to ZIP 45449?

West Carrollton City PWS (EPA ID OH5702812), a groundwater (wells) system serving about 8,361 people.

Is there lead in Dayton, OH tap water?

The utility’s latest 90th-percentile lead result (Jan 2022) was 0.4 ppb; EPA’s action level is 15 ppb, falling to 10 ppb from 2027. Lead mostly comes from service lines and home plumbing, so the only way to know your tap is to test it.

Does Dayton, OH water have PFAS?

None of the tested PFAS were found above EPA’s reporting limits in 2023–2025.

Has the water system in 45449 had violations?

Health-based violations since 2016: Lead and Copper Rule Revisions. All are listed as resolved.

What natural hazards affect ZIP 45449?

FEMA’s National Risk Index rates the overall natural-hazard risk here as Relatively Low; the highest-rated hazards are riverine flooding (relatively high), cold wave (relatively moderate), hail (relatively moderate).

Are there Superfund sites near 45449?

The nearest active Superfund site is 3.7 miles away. Sites within 10 miles: Mound Plant (USDOE) (3.7 mi, Active (final NPL)); Sanitary Landfill Co. (Industrial Waste Disposal Co., Inc.) (4.1 mi, Active (final NPL)); South Dayton Dump & Landfill (4.6 mi, Proposed).

Is radon a problem in Montgomery County?

Montgomery County is in EPA radon zone 1 (highest potential). Predicted average indoor radon above 4 pCi/L — EPA’s action level. Test your home.