Hunterdon County · 25 of 26 towns NJDEP Tier 1 Action level 4.0 pCi/L Free for homeowners — paid by the crews

Readington Township

Radon testing & mitigation in Whitehouse Station

Newark Basin shale country. Free referrals to NJDEP-certified radon businesses covering Whitehouse Station.

Whitehouse Station sits in Readington Township — the largest village in Readington Township, grown up around the rail station on the Raritan Valley Line.

Housing stock. A compact older village core near the station with substantial later single-family development on the surrounding roads.

Water supply. Village addresses and the roads out from them can differ. A well here draws from the shale beneath the village, which is also where the soil gas originates.

The ground under Whitehouse Station

Whitehouse Station sits in the Newark Basin on Passaic Formation shale, but with the diabase mass of Cushetunk Mountain rising a short distance to the west — a reminder that the rock beneath this part of Readington changes over quite short distances. Village housing near the station is older and shallower-founded; the development that spread out from it through the later 20th century brought full poured basements, many of them finished at some point since. For a commuter village, the practical point is straightforward: basements here are lived in, and a reading taken in an unused corner of the cellar does not describe the room the family actually uses.

Read that as the character of the ground rather than a claim about any one lot — geological boundaries cut across town lines, and the NJ Geological Survey's bedrock mapping is what settles which formation a given address sits on.

Around Whitehouse Station. The requests come from the village centre around Main Street and the rail station; the Route 22 corridor; the neighbourhoods off Rockaway Road and Pleasant Run Road; the North Branch and Rockaway Creek valleys; the approaches toward Cushetunk Mountain and Round Valley.

Working here

Village lots are modest but workable; the surrounding development has generous side access.

What moves the cost here

Standard installs are common here and price accordingly. The additions that move the number are finished basements needing careful routing, and the older village houses near the station where sealing takes longer than a modern slab would.

Whitehouse Station is a rail-commuter village whose basements are unusually likely to be finished living space, which changes both where a valid test has to be placed and how a pipe can be routed without tearing out finish.

The village sits on Newark Basin shale with the diabase of Cushetunk Mountain close by to the west, so bedrock changes over a shorter distance here than the flat topography suggests.

Permits and paperwork

Permits go through the Readington Township construction office. Properties outside the village supply are on private wells, which brings the water-side question into any complete assessment.

Because postal addresses and municipal boundaries diverge across this county — and because construction-code services are sometimes shared between towns — the first thing to establish is which office actually has jurisdiction.

What NJDEP has actually measured in Readington Township

Test results in NJDEP's dataset4,041
At or above 4.0 pCi/L1,635
Share at or above the action level40%
NJDEP tierTier 1 — high potential

Tier 1 means at least 25 homes tested with 25 percent or more at or above 4 pCi/L.

Source: New Jersey Department of Environmental Protection, Radon Section, 2015 Radon Tier Assignment Report (May 2015). NJDEP's figure is a cumulative count of test results in its dataset, not a count of distinct homes. These are municipality-wide totals and say nothing about any individual property — only a test does that.

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What Whitehouse Station owners are asking about

What this bedrock and this housing stock tend to produce.

Short-term radon test in Whitehouse Station

A 48-hour closed-house test at the lowest lived-in level, placed and read by a New Jersey certified measurement business. The number everything else follows from.

$150 – $325 typical range, not a quote

Nearby

Same ground, same questions

Near Whitehouse Station

Red shale and mudstone of the Passaic Formation under Flemington and the centre of the county. Fractured rock, plenty of basements, and a mix of public water and wells.