Home / Services / Environmental / Johnson County, KS

Johnson County, Kansas

Environmental Services in Johnson County, KS

Environmental site assessments and construction-phase environmental support that keep transactions and projects moving without surprises. Johnson County is covered on a project basis through our Kansas City, MO regional hub.

Lead time
Scheduled by phone or proposal; lead time confirmed when the scope is set
Laboratory
Sugar Land, TX laboratory under chain of custody, or a mobile laboratory for large projects
Reporting
Reviewed and issued under a documented quality system; formatted for owner, engineer, and building-official review
Serving
Johnson County, KS — Wichita, Overland Park, Kansas City
Coverage
Kansas statewide · 27 regional hubs
Technicians
ACI- and NICET-certified field staff; licensed professionals in Kansas
Call us
(346) 420-5425

Scope

Environmental services in Johnson County

  • Phase I Environmental Site Assessments for acquisitions and refinancing
  • Phase II subsurface sampling when a Phase I identifies recognized environmental conditions
  • Construction stormwater support: SWPPP compliance inspections
  • Soil management screening for export and import of fill material

Full scope, standards list, and pricing basis: Environmental Services.

Local conditions

Environmental conditions in Johnson County

Johnson County sits at the edge of one of the most actively developing suburban corridors in the central United States. Rapid commercial and residential buildout, combined with a legacy of agricultural, light-industrial, and fuel-storage land use across the county, means that environmental due diligence is not a formality — it is a practical necessity for keeping transactions and construction schedules intact. Lenders, municipalities, and state regulators each have expectations that must be met before a project can move forward. Our environmental services team, dispatched through our Kansas City, MO regional hub approximately 20 miles away, provides Phase I and Phase II environmental site assessments along with construction-phase environmental support tailored to the pace and complexity of Johnson County projects. The laboratory operates under a documented quality system, and field staff hold applicable professional certifications. Our work is scoped to answer the questions that contractors, developers, and engineers actually need answered — before a closing, before a permit, and before the first shovel moves.

Much of Johnson County underlies glacially influenced soils with variable clay content, which can affect the mobility and distribution of subsurface contaminants during Phase II investigations and should be factored into boring locations and sampling strategy. Kansas seasons bring significant temperature and precipitation swings that can influence soil sampling conditions and the scheduling of fieldwork on active construction sites.

FAQ · Johnson County

How does Johnson County's history of agricultural and light-industrial land use affect the scope of a Phase I ESA?

Former agricultural operations may introduce concerns such as pesticide or fuel storage residue, while light-industrial parcels can carry recognized environmental conditions related to solvents, petroleum products, or underground storage tanks. The historical records review and site reconnaissance components of a Phase I, conducted in accordance with ASTM E1527-21, are scoped to capture these specific land-use histories common to Johnson County parcels.

What Kansas regulatory program governs cleanup if a Phase II identifies contamination on our Johnson County site?

The Kansas Department of Health and Environment (KDHE) administers the Voluntary Cleanup and Property Redevelopment Program (VCARP) and the State Superfund program for sites with confirmed contamination. If Phase II results indicate soil or groundwater impacts exceeding KDHE screening levels, your project team will need to coordinate with KDHE to determine whether a corrective action plan or No Further Action letter is required before development proceeds.

Can environmental site assessment fieldwork be scheduled around an active construction schedule in Johnson County?

Yes. We coordinate scheduling through our Kansas City, MO regional hub to align Phase II fieldwork — soil borings, groundwater monitoring point installation, and sample collection — with site access windows that do not conflict with active grading or utility work. Advance coordination of at least several business days is needed to confirm crew and equipment availability. We do not guarantee same-day scheduling.

Which office covers environmental in Johnson County, KS?

Field work in Johnson County is dispatched through the Kansas City, MO regional hub, about 20 miles away. Laboratory testing is performed in Sugar Land, TX under chain of custody, or in a mobile laboratory mobilized to large Johnson County projects.

Are the technicians you send to Johnson County certified?

Field sampling and testing in Johnson County are performed by our ACI- and NICET-certified technicians. Environmental engineering and professional services are delivered with professionals licensed in Kansas, coordinated under one proposal.

Scheduling & proposals

Need environmental services in Johnson County?

Call to schedule a technician, or send project documents for a written proposal.

Talk to us

Questions about a project? Send a note.

Nothing here is required — leave a phone number or an email and we'll get back to you. For a written scope, the proposal request form takes plans and specs.

Or call (346) 420-5425 · info@constructionmaterialtesting.com