Adams County · EPA Radon Zone 1
Radon Testing & Mitigation in Brighton, Colorado
Adams County seat; historic agricultural and railroad town.
Brighton at a glance
- Population
- 40,083 total (39,718 in Adams County, 365 in Weld County)
- County
- Adams County
- Incorporated
- 1887
- Area
- 21.5 sq mi
- EPA Radon Zone
- Zone 1 (highest risk classification)
- School district
- Brighton School District 27J
Population: U.S. Census Bureau 2020 Decennial Census.
Radon in Brighton
Brighton is located in Adams County, which the U.S. Environmental Protection Agency designates as Radon Zone 1 — the highest-risk classification, indicating predicted average indoor radon levels at or above the EPA action level of 4 pCi/L.
Brighton is the seat of Adams County, designated when the county was established in 1901. Originally founded in 1887 as 'Hughes,' a stage and railroad depot serving a farming community. The downtown core retains housing stock from the late 1800s through the mid-20th century — pre-RRNC era construction throughout. A small portion (about 365 residents) extends into Weld County.
Statewide, 46.9% of pre-mitigation home radon tests in Colorado come back at or above the EPA action level (4 pCi/L), based on 214,362 tests in the CDPHE 2005–2024 statewide dataset. Whether you own or rent in Brighton, testing is the only way to know your home's level.
Radon costs in Brighton → What a mitigation install typically runs in Colorado, and the factors that move the price up or down.
Sources: U.S. EPA Map of Radon Zones; CDPHE Colorado Radon Tests 2005–2024; U.S. Census Bureau 2020 Decennial Census; city naming via Wikipedia.
Get a free quote for radon mitigation in Adams County.
We’re NRPP-certified and Colorado state-licensed. A standard sub-slab depressurization install reduces indoor radon by 95%+ in most Adams County homes — exact quote in 24 hours.
- 24-hour quote turnaround
- Installed in 4–6 hours
- Post-install re-test included
- Radon-mitigation listing feature
Or call us at (866) 398-9858 — same-day response during business hours.
Prefer the data first? Download the free Colorado Radon Risk Map.
Other Adams County cities
Same county, same EPA Radon Zone 1 classification.
See the full county dataset at Adams County radon levels.