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

Annandale, Clinton Township

Drain tile and sump-based depressurization in Annandale

Sealing the sump and drawing suction through an existing perimeter drain loop. Efficient where the drainage is already there.

Annandale owners ask about drain tile and sump-based depressurization more than you would think for a town this size.

What usually prompts the call

  • A basement that has both a water problem and a radon problem
  • A drain-tile loop that already runs the full perimeter
  • An interior perimeter drain or a French drain around the basement floor

Why this comes up in Annandale

Here is what makes Annandale particular: the neighbourhoods and the rural fringe are not on the same supply. A well here draws from the transitional ground between the Highlands and the Newark Basin.

Clinton Township — the state's own numbers

36% of the 5,885 test results NJDEP holds for Clinton Township were at or above the 4.0 pCi/L action level — 2,126 of them. That puts it in Tier 1 — high potential. NJDEP reports Clinton Township together with Clinton Town as one row, so both carry these figures.

An older village centre around the station with extensive later residential development, including a number of large planned neighbourhoods, spreading out from it.

What access looks like here

Subdivision lots with good access; the village core is tighter.

Construction permits go through Clinton Township, and installing radon mitigation for a fee anywhere in New Jersey requires NJDEP certification.

How it's normally done

Where a perimeter drain already circles the footing, it is an existing distribution network for suction. The pit gets a sealed, gasketed cover with a viewing port and a pipe fitting, and the fan draws through the loop. It is often the cheapest effective system in a house that has one — and it has to be built so the pump can still be serviced.

Typical cost in Hunterdon County, NJ

$1,400 – $2,800 — typical range, not a quote. What your building needs can only be settled by a certified business that measures it on site.

Nobody can tell you what yours needs from a description alone, including us.

What we confirm before anyone calls you

This is certified work in New Jersey, not general home improvement. We look up the business on the NJDEP radon register, confirm the mitigation certification is active, and record the date. Insurance is not part of that check, and nothing here should be read as confirming that any business carries liability cover. None of that is an endorsement of their workmanship — get more than one quote.

Not sure whether your number is a problem?

Write down what the system is doing and what the re-test said. We'll get it to crews who diagnose rather than guess.

Get quotes in Annandale →

Related

Also common in Annandale

Other work in Annandale

Same ground, different question.

Drain tile and sump-based depressurization nearby

Neighbouring towns on the same ground.