Site Assessment Contractors in Mississippi
Find contractors in Mississippi for Phase I ESA, Phase II ESA, soil testing, and groundwater testing. Serving Jackson, Gulfport, Hattiesburg, Biloxi, and communities statewide.
What to Know About Site Assessment in Mississippi
Mississippi environmental site assessment work centers on MDEQ-regulated petroleum sites. The MDEQ UST Program reviews assessment reports tied to tank closures, releases, and Groundwater Protection Trust Fund claims, so the quality of an investigation directly affects fund eligibility and approval timing. Most assessments here are triggered by commercial property transfers, refinancing, or a discovered release at a former gas station or fuel depot in older trade districts. A standard Phase I ESA reviews records, historical use, and regulatory databases without disturbing soil, while a Phase II steps in when those records point to a likely release. Buyers pursuing lender financing on former fueling sites almost always order an environmental due diligence study before closing.
Demand concentrates around Mississippi's commercial corridors and coastal fueling network. Jackson anchors the central market with state offices, older downtown fuel sites, and the I-55 and I-20 interchange where dozens of legacy stations sit. Along the Gulf Coast, Gulfport and Biloxi carry casino-district redevelopment and hurricane-rebuild parcels that frequently need a contamination assessment before reuse. Hattiesburg and the Piney Woods region see timber, trucking, and rail-adjacent properties, while Southaven and the DeSoto County suburbs near Memphis drive retail and warehouse due diligence. Tupelo and the Delta add agricultural fueling depots where high water tables raise the stakes on groundwater testing and plume mapping.
Phase I ESA costs in Mississippi typically run $1,500 to $3,500, lower than coastal Northeast pricing because the contractor pool and overhead are leaner. A Phase II ESA with soil borings and groundwater testing generally lands between $3,000 and $10,000, and individual soil sampling points run $500 to $2,000 each depending on depth and lab turnaround. Site complexity drives the spread, since a single former dispenser island costs far less than a multi-tank truck stop along I-10 or I-55. Properties enrolled with the Groundwater Protection Trust Fund administered through the MDEQ UST Program may recover eligible assessment and cleanup costs, though reimbursement depends on MDEQ approval and documented compliance. Coastal parcels with shallow groundwater often need extra monitoring wells, which pushes Phase II totals toward the upper range.
The typical Mississippi process starts with the Phase I records review, which takes about two to three weeks. If the environmental investigation flags a recognized environmental condition, a Phase II follows with drilling, sampling, and lab analysis that adds three to six weeks. Contractors handling petroleum sites should carry current hazardous materials safety training for crews working open excavations and contaminated soil. Before hiring, ask whether the firm has filed Groundwater Protection Trust Fund paperwork and confirm the assessor follows the ASTM E1527 standard recognized under EPA's All Appropriate Inquiries rule. Get the assessment scoped and ordered well before your closing date, since lender deadlines rarely flex when lab results run late.
Scoping cleanup work? You can calculate soil excavation volume and disposal costs with our free calculator before requesting quotes.
Site Assessment Contractors in Mississippi
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Browse Mississippi Contractors →Frequently Asked Questions
Do you need a license to perform a site assessment in Mississippi?
Mississippi does not issue a standalone site assessment license, but MDEQ expects petroleum-site work supporting Groundwater Protection Trust Fund claims to be performed by qualified environmental professionals. Phase I ESAs follow the ASTM E1527 standard, which defines who counts as an Environmental Professional based on education and field experience. Firms running Phase II sampling should hold environmental consulting credentials and use trained field crews for soil borings and groundwater work. Mississippi property owners should confirm the assessor's track record with MDEQ submittals before signing a contract. Ask to see two or three prior reports from comparable sites.
How much does a Phase I ESA cost in Mississippi?
A Phase I ESA in Mississippi usually costs $1,500 to $3,500, which is at or below the national average. If the records review turns up a recognized environmental condition, a Phase II ESA adds $3,000 to $10,000 depending on the number of borings and monitoring wells. Individual soil sampling points generally run $500 to $2,000 each, driven mostly by depth and lab turnaround. Large multi-tank sites in places like Jackson or along the Gulf Coast push toward the top of these ranges. Smaller single-dispenser parcels sit near the bottom.
How long does an environmental site assessment take in Mississippi?
A Phase I ESA in Mississippi typically takes two to three weeks from order to final report. A follow-up Phase II ESA adds three to six weeks because drilling, soil sampling, groundwater testing, and lab analysis all take time. If MDEQ review and a No Further Action determination are involved, expect several additional months after clean results are submitted. Coastal Gulf Coast sites with shallow groundwater sometimes need extra monitoring rounds that extend the schedule. Order the assessment early so lab delays do not stall a closing.
Does Mississippi have a fund that helps cover assessment and cleanup costs?
Mississippi runs the Groundwater Protection Trust Fund, administered through the MDEQ UST Program, to help offset eligible petroleum assessment and cleanup costs. Eligibility is tied to a registered tank in compliance, timely release reporting, and documentation that meets MDEQ standards. The fund can reimburse a substantial share of investigation and corrective-action expenses, but owners typically pay upfront and wait for reimbursement. Sloppy or incomplete reports can jeopardize a claim, which is why assessor quality matters so much in Mississippi. Confirm the contractor has filed fund paperwork on prior projects.
What happens during a Phase II ESA on a Mississippi property?
A Phase II ESA puts equipment in the ground to test what the Phase I records review only suspected. Crews advance soil borings near former tanks, dispensers, and piping, then collect samples from the pit sidewalls and depth intervals rather than the surface. When groundwater is shallow, as it often is along the Gulf Coast and in the Delta, they install monitoring wells to gauge whether contamination has spread. Samples go to a lab, and results are compared against MDEQ cleanup target levels. The contractor then issues a report recommending closure or further corrective action.
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Browse Mississippi Contractors →For Mississippi UST regulations, visit the MDEQ UST Program. Federal requirements are available from the EPA UST Program.