Home / Services / Environmental / Kauai County, HI
Kauai County, Hawaii
Environmental Services in Kauai County, HI
Environmental site assessments and construction-phase environmental support that keep transactions and projects moving without surprises. Kauai County is covered on a project basis through our Sacramento, CA regional hub.
- Dispatched from
- Sacramento, CA regional hub · project-based mobilization
- Lead time
- Set in the proposal, with mobilization planned around your pour and earthwork schedule
- 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
- Kauai County, HI — Honolulu, Pearl City, Hilo
- Coverage
- Hawaii statewide · 27 regional hubs
- Technicians
- ACI- and NICET-certified field staff; licensed professionals in Hawaii
- Call us
- (346) 420-5425
Scope
Environmental services in Kauai 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 Kauai County
Development in Kauai County moves against a backdrop of layered environmental requirements that are unlike most mainland projects. Hawaii's history of plantation agriculture — particularly sugarcane and pineapple cultivation — left behind pesticide and herbicide residues in soils across many parcels that are now transitioning to residential, commercial, and resort uses. Add to that the islands' documented volcanic and alluvial geology, proximity to sensitive coastal and wetland resources regulated under both state and federal authority, and HDOH oversight requirements that sit alongside federal CERCLA obligations, and the due-diligence picture becomes complex quickly. Lenders, title companies, and permitting agencies on Kauai expect documentation that holds up. Our environmental services — Phase I and Phase II environmental site assessments, soil and groundwater sampling, and construction-phase compliance support — are structured to meet those expectations. Coverage for Kauai County is dispatched on a scheduled and project-based basis, coordinated through our Sacramento regional hub.
Kauai's agricultural legacy and tropical climate — high rainfall, year-round humidity, and permeable volcanic soils — can accelerate contaminant migration and complicate baseline sampling; these site-specific factors are addressed in scope development before fieldwork begins. Coastal and near-shore project sites should anticipate additional regulatory touchpoints with the Hawaii Department of Health (HDOH) and potentially the Army Corps of Engineers under Section 404 of the Clean Water Act.
FAQ · Kauai County
Our Kauai parcel was historically used for sugarcane. What specific contaminants should we expect a Phase II to look for?
Former sugarcane and pineapple cultivation across Kauai is associated with pesticide compounds including organochlorines such as heptachlor and chlordane, as well as fumigants and heavy metals from repeated fertilizer application. A Phase II scope for agricultural legacy sites typically includes shallow soil sampling analyzed for pesticide panels and metals. Sample collection and handling follow ASTM E1903 and applicable HDOH environmental action levels, which define cleanup thresholds for intended land use.
How does Kauai's heavy rainfall affect soil and groundwater sampling schedules?
Kauai receives some of the highest annual rainfall totals in the state, and tropical weather patterns can be difficult to schedule around. Saturated soils affect direct-push boring feasibility, and elevated groundwater from recent precipitation can dilute analyte concentrations or complicate purge-and-sample procedures. Field scopes are reviewed in advance to select appropriate sampling methods and to build in weather contingency; lead times for rescheduling are discussed at project kickoff given the dispatch logistics from our Sacramento hub.
Does the HDOH have cleanup standards that differ from federal EPA RSLs, and which apply to our project?
Yes. The Hawaii Department of Health Hazard Evaluation and Emergency Response (HEER) office maintains its own environmental action levels (EALs) that govern assessment and cleanup decisions for sites in Hawaii, and these can differ from EPA Regional Screening Levels. For projects subject to HDOH oversight, the applicable EALs — tied to site-specific exposure scenarios such as residential, commercial, or construction worker — govern how laboratory results are evaluated and reported. Our reports identify which standards apply to your project's intended use.
Which office covers environmental in Kauai County, HI?
Field work in Kauai County is dispatched through the Sacramento, CA regional hub, about 2514 miles away. Laboratory testing is performed in Sugar Land, TX under chain of custody, or in a mobile laboratory mobilized to large Kauai County projects.
Are the technicians you send to Kauai County certified?
Field sampling and testing in Kauai County are performed by our ACI- and NICET-certified technicians. Environmental engineering and professional services are delivered with professionals licensed in Hawaii, coordinated under one proposal.
Scheduling & proposals
Need environmental services in Kauai County?
Call to schedule a technician, or send project documents for a written proposal.