Radon Mitigation in Tunkhannock
High radon potential. Wyoming Valley transitional formations interleave uranium-bearing shale with anthracite-margin geology, producing elevated indoor radon across Wyoming County housing stock.
High Radon Risk Area
Tunkhannock sits in EPA Zone 1 — testing is recommended for every home regardless of age or foundation type.
Local Geology & Risk Factors
Tunkhannock is located in an area with Allegheny Plateau / Wyoming Valley Transitional Formation geology, which contributes to elevated radon levels. The Pennsylvania DEP identifies this region as having significant radon potential due to uranium-bearing rock formations.
Testing is essential because radon levels can vary significantly between neighboring homes based on construction, soil permeability, and ventilation.
See Pennsylvania radon levels and EPA radon zone classifications →
Quick Facts
- Median home value: $182,600 · Median year built: 1938
- Population: 1,665
- Foundation types: Basement (most common); Crawlspace (moderate); Slab-on-grade (varies)
Wyoming County Context
Tunkhannock is a municipality of Wyoming County, EPA Zone 1. Zone designation is assigned at the county level, so Tunkhannock inherits its classification; countywide aggregate figures live on the county page.
See Wyoming County radon aggregate data →Measured Radon Data for Tunkhannock
Source: PA DEP RadonZip Tool, January 1990 – December 2025 · Updated 2026-05-20
Radon Mitigation Cost in Tunkhannock
Active sub-slab depressurization (ASD) systems in Tunkhannock typically cost $950–$2,100. Standard basement installs on modern poured concrete fall at the lower end; historic foundations, block-wall depressurization, multi-point suction, and crawlspace encapsulation push costs higher.
Foundations covered locally
- Basement (most common)
- Crawlspace (moderate)
- Slab-on-grade (varies)
Systems used in the region
- Active sub-slab depressurization
- Sump pit depressurization
- Passive soil depressurization
Certification & Compliance
All Pennsylvania radon testing and mitigation professionals must hold active PA DEP certification. Ask any contractor for their certification number and verify it before signing.
Pennsylvania's Real Estate Seller Disclosure Law (68 Pa.C.S. §§ 7301–7315) requires sellers to disclose known material defects to buyers under § 7303; the mandated disclosure form records radon under § 7304(b)(14). Sellers who have never tested are not compelled to test — § 7308 imposes no affirmative duty to investigate — but pre-listing testing is standard practice across most PA markets.
Under 25 Pa. Code § 240 — the Pennsylvania chapter governing radon certification — every radon service provider working in the Commonwealth must hold current DEP certification. Verify the contractor's status via the DEP Radon Services Directory before hiring.
Verify Contractor Certification — PA DEP Official Directory for Tunkhannock, Wyoming County
View PA DEP Certified Contractor DirectoryThe PA Department of Environmental Protection maintains the official list of certified radon testers and mitigators, sorted by county and updated monthly. Always verify certification before hiring any contractor.
Directory resource provided by PA DEP Bureau of Radiation Protection, Radon Division.
Frequently Asked Questions
Why is radon elevated in Tunkhannock, PA?
Tunkhannock sits in the Wyoming Valley transitional zone between the Allegheny Plateau and the anthracite coal region. The interbedded shale, sandstone, and reclaimed mine pathways produce sustained elevated indoor radon. EPA Zone 1 classification reflects approximately 41% of tested homes exceeding 4.0 pCi/L.
What does radon mitigation cost in Wyoming County?
Most Wyoming County mitigation systems run $950–$2,100 installed. Active sub-slab depressurization is the standard approach. Older homes around downtown Tunkhannock and the Susquehanna riverfront with fieldstone foundations often require additional sealing before mitigation achieves target levels.
Does the Susquehanna River concentrate radon in valley homes?
River-valley topography concentrates cold air drainage, increasing wintertime stack effect in basement homes. Combined with the underlying shale geology, this produces strong seasonal radon elevation — test in winter for highest exposure assessment.
What's the average radon level in Tunkhannock?
Tunkhannock's DEP-recorded basement average is 5.78 pCi/L across 2,066 tests. The EPA action level for mitigation is 4.0 pCi/L, so a sizable share of Tunkhannock homes exceed the threshold. The highest single result in the local dataset is 162.5 pCi/L.
Do homes in Tunkhannock need to be tested for radon?
Wyoming County is EPA Zone 1 — the highest radon-potential classification — so every home in Tunkhannock should be tested regardless of age, foundation type, or neighborhood. Short-term charcoal or continuous monitor tests take 48–96 hours and cost $15–$50; long-term alpha-track tests run 90 days and better represent annual averages. If the result meets or exceeds 4.0 pCi/L, mitigation by a DEP-certified professional is recommended.
How much does radon mitigation cost in Tunkhannock?
Active sub-slab depressurization (ASD) systems in the Tunkhannock area typically cost $950–$2,100. Standard basement installations on modern poured-concrete foundations fall at the lower end; historic foundations, block-wall depressurization, multi-point suction, and crawlspace encapsulation push costs toward the upper end. All work must be performed by a DEP-certified mitigation professional under 25 Pa. Code § 240.
Is radon disclosure required when selling a home in Tunkhannock?
Pennsylvania's Real Estate Seller Disclosure Law (68 Pa.C.S. §§ 7301–7315) requires residential sellers to disclose known material defects to buyers (§ 7303). The state-mandated disclosure form covers 'presence of hazardous substances' at § 7304(b)(14) — where any known elevated radon test result or existing mitigation system is recorded. Sellers who have never tested are not required to test: § 7308 imposes no affirmative duty to investigate. In Tunkhannock, the practical reality is that most buyers request radon testing during the inspection contingency period. Sellers who test and mitigate before listing eliminate the most common contract contingency and preserve negotiating position.
Which ZIP codes does the Tunkhannock radon data cover?
The Tunkhannock radon dataset on this page covers ZIP code 18657. These are the ZCTAs assigned to Tunkhannock in the Census 2020 ZCTA-to-Place relationship file and used for the PA DEP RadonZip Tool aggregation. Neighboring ZIP codes belong to adjacent municipalities and appear on their own PA Radon Hub pages.
Are Tunkhannock Area School District buildings subject to SB 760?
Wyoming County is in EPA Zone 1 and is served by 6 school districts, including Tunkhannock Area School District. Pennsylvania Senate Bill 760, if enacted as drafted, would apply to all public school buildings in Wyoming County regardless of which district operates them. The bill remains in committee. Buildings in Zone 1 counties like Wyoming County would be highest priority under the proposed framework. If SB 760 is enacted, mitigation timelines, thresholds, and qualifying buildings would be set by the final bill text and any subsequent DEP implementing regulations. PA Radon Hub tracks this legislation; specific deadlines remain pending.
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