Radon Mitigation in Brookville
High radon potential. Jefferson County coal measures with uranium-bearing Pennsylvanian shale produce sustained indoor radon, and reclaimed mine subsidence creates additional soil-gas pathways.
Moderate Radon Risk Area
Brookville sits in EPA Zone 2 — testing is recommended for every home regardless of age or foundation type.
Local Geology & Risk Factors
Brookville is located in an area with Appalachian Plateau / Jefferson County Coal Measures 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: $128,400 · Median year built: 1953
- Population: 3,959
- Foundation types: Basement (most common); Crawlspace (moderate); Slab-on-grade (varies)
Jefferson County Context
Brookville is a municipality of Jefferson County, EPA Zone 2. Zone designation is assigned at the county level, so Brookville inherits its classification; countywide aggregate figures live on the county page.
See Jefferson County radon aggregate data →Measured Radon Data for Brookville
Source: PA DEP RadonZip Tool, January 1990 – December 2025 · Updated 2026-05-20
Radon Mitigation Cost in Brookville
Active sub-slab depressurization (ASD) systems in Brookville typically cost $900–$2,150. 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 Brookville, Jefferson 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 Brookville, PA?
Brookville sits in the Jefferson County coal measures, where uranium-bearing Pennsylvanian shale interleaves with bituminous coal seams. Although Jefferson County's EPA Zone 2 classification indicates moderate baseline risk, approximately 42% of tested homes in the Brookville area exceed 4.0 pCi/L — a pattern reinforced by reclaimed mine subsidence creating new soil-gas pathways into older basement homes.
What does radon mitigation cost in Jefferson County?
Most Jefferson County mitigation systems run $900–$2,150 installed. Active sub-slab depressurization is the standard approach. Older homes around Brookville and Punxsutawney sometimes require additional sealing of mine-subsidence-related foundation cracks before mitigation achieves target levels.
Does proximity to historical coal mining affect radon risk?
Yes — indirectly. Reclaimed mine subsidence creates new soil-gas pathways that allow radon-rich gas from the underlying shale to migrate toward foundations. Homes within 500 meters of historical mine workings should use long-term test protocols (90+ days).
What's the average radon level in Brookville?
Brookville's DEP-recorded basement average is 9.31 pCi/L across 628 tests. The EPA action level for mitigation is 4.0 pCi/L, so a sizable share of Brookville homes exceed the threshold. The highest single result in the local dataset is 114.8 pCi/L.
Do homes in Brookville need to be tested for radon?
Jefferson County is EPA Zone 2, meaning the county has moderate radon potential and elevated readings are common enough that all Brookville homes should be tested. 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 Brookville?
Active sub-slab depressurization (ASD) systems in the Brookville area typically cost $900–$2,150. 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 Brookville?
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 Brookville, 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 Brookville radon data cover?
The Brookville radon dataset on this page covers ZIP code 15825. These are the ZCTAs assigned to Brookville 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 Brookville Area School District buildings subject to SB 760?
Jefferson County is in EPA Zone 2 and is served by 5 school districts, including Brookville Area School District. Pennsylvania Senate Bill 760, if enacted as drafted, would apply to all public school buildings in Jefferson County regardless of which district operates them. The bill remains in committee. Buildings in Zone 2 counties like Jefferson County would be included in 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.
Connect with a DEP-Certified Radon Pro in Brookville
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