EPA data as of Oct 2026 · page updated 2026-10-29

Home hazard report for 23116 — Mechanicsville, VA

ZIP 23116 is served by Avondale: no health-based violations since 2016, latest lead result 2.6 ppb, PFAS not tested. Hanover County is in EPA radon zone 3.

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Where ZIP 23116 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: Avondale

EPA IDVA4085047
People served1,285
Sourcegroundwater (wells)
Connections380

Health-based violations

No health-based violations reported since 2016.

Full record for Avondale →

Other systems overlapping this ZIP: Hanover Suburban Water System.

Lead

Jan 20232.6 ppb
Jan 20200 ppb
Jan 20170 ppb
Jan 20145.1 ppb
Jan 20111.3 ppb
Jan 20083 ppb
Jan 20073 ppb
Jan 20063 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”)

This system was not part of EPA’s 2023–2025 nationwide PFAS testing (UCMR 5).

Radon in Hanover County

EPA radon zone 3 — low potential. Predicted average under 2 pCi/L — but any home can have high radon, so EPA still recommends a test.

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 low social vulnerability and very high community resilience.

DroughtRelatively Moderate
LightningRelatively Moderate
EarthquakeRelatively Low
HailRelatively Low
Heat waveRelatively Low
HurricaneRelatively Low
Ice stormRelatively Low
Riverine floodingRelatively Low
Strong windRelatively Low
TornadoRelatively Low
Winter weatherRelatively Low
Cold waveVery 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
Rentokil, Inc. (Virginia Wood Preserving Division)
Richmond, Virginia · EPA ID VAD071040752
Active (final NPL)9.9 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 Mechanicsville? See the 2026 conforming, FHA and jumbo loan limits for Hanover 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 23116

Who supplies drinking water to ZIP 23116?

Avondale (EPA ID VA4085047), a groundwater (wells) system serving about 1,285 people.

Is there lead in Mechanicsville, VA tap water?

The utility’s latest 90th-percentile lead result (Jan 2023) was 2.6 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 Mechanicsville, VA water have PFAS?

This system was not part of EPA’s 2023–2025 nationwide PFAS testing (UCMR 5 covers systems serving over 3,300 people and a sample of smaller ones).

Has the water system in 23116 had violations?

No health-based violations reported since 2016.

What natural hazards affect ZIP 23116?

FEMA’s National Risk Index rates the overall natural-hazard risk here as Relatively Low; the highest-rated hazards are drought (relatively moderate), lightning (relatively moderate), earthquake (relatively low).

Are there Superfund sites near 23116?

The nearest active Superfund site is 9.9 miles away. Sites within 10 miles: Rentokil, Inc. (Virginia Wood Preserving Division) (9.9 mi, Active (final NPL)).

Is radon a problem in Hanover County?

Hanover County is in EPA radon zone 3 (low potential). Predicted average under 2 pCi/L — but any home can have high radon, so EPA still recommends a test.