Site Assessment Contractors in Texas
Find contractors in Texas for environmental site assessment, Phase I ESA, Phase II ESA, soil testing, and groundwater investigation. Serving Houston, Dallas, San Antonio, Fort Worth, Austin, and communities statewide.
What to Know About Site Assessment in Texas
Texas requires environmental site assessments for properties with known or suspected UST contamination. The state's petroleum storage tank program oversees corrective action for releases from underground storage tanks, and any property where a release is confirmed or suspected must undergo assessment before cleanup can begin. Commercial property buyers and lenders routinely require Phase I ESAs during transactions involving gas stations, fuel distribution facilities, and industrial properties. Texas does not mandate a state-specific certification for environmental consultants, but most firms employ licensed professional engineers or registered professional geoscientists.
Demand for UST assessment work in Texas is concentrated along the I-10, I-35, and I-45 corridors that connect Houston, Dallas, San Antonio, and Fort Worth. Houston's petrochemical corridor and the Gulf Coast region generate a disproportionate share of assessment work due to decades of fuel storage and distribution operations. Dallas-Fort Worth and Austin see steady demand driven by commercial real estate transactions and redevelopment of older fuel retail properties. West Texas and the Permian Basin add another layer, with assessments tied to oil field support facilities and fleet fueling operations. Texas has the largest underground storage tank population in the country, and that sheer volume means more property transactions trigger Phase I and Phase II ESAs than in any other state.
A Phase I environmental site assessment in Texas typically costs $1,800-$4,000, depending on property size and complexity of historical use. Phase II ESAs, which involve actual soil and groundwater sampling, run $4,000-$12,000 for most commercial properties. Individual soil sampling points cost $500-$1,500 each, and sites with multiple former tank locations can require five or more sample points. Texas operates the Petroleum Storage Tank Remediation Fund, which may reimburse eligible cleanup costs for registered UST sites where contamination is confirmed. The fund does not cover assessment costs directly. A confirmed release discovered through an environmental assessment can qualify the property for remediation reimbursement if the owner applies before the deadline, which runs from the date of discovery.
A Phase I ESA starts with a records review, historical aerial photographs, regulatory database searches, and a site inspection. The consultant looks for evidence of current or past UST operations, stained soil, abandoned fill pipes, and other indicators of potential contamination. If the Phase I identifies recognized environmental conditions, the next step is a Phase II ESA with soil borings and possibly groundwater monitoring wells. Turnaround for a Phase I report is typically 2-4 weeks, while a Phase II takes 4-8 weeks including laboratory analysis. Before hiring a consultant, verify they carry professional liability insurance, have direct experience with Texas petroleum storage tank sites, and can provide sample reports from similar projects.
Site Assessment Contractors in Texas
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Browse Texas Contractors →Frequently Asked Questions
Do I need to hire a licensed professional for a site assessment in Texas?
Texas does not require a state-specific environmental consultant license for site assessment work. Phase I and Phase II ESA reports should be signed by a licensed Professional Engineer or registered Professional Geoscientist to carry legal weight in property transactions and regulatory proceedings. Lenders and title companies in Texas routinely reject assessment reports that lack a professional seal. Most environmental consulting firms in the state employ these credentialed professionals on staff. Before hiring a firm, confirm that the person signing your report holds an active Texas PE or PG registration.
How much does an environmental site assessment cost in Texas?
A Phase I ESA for a standard commercial property in Texas runs $1,800-$4,000. Phase II assessments with soil and groundwater sampling typically cost $4,000-$12,000, depending on the number of sample locations and laboratory analyses required. Properties with complex histories or multiple former tank locations fall at the higher end of that range. Soil sampling alone costs $500-$1,500 per boring location. If contamination is confirmed, the total investigation cost can increase significantly before any remediation work begins.
How long does a site assessment take in Texas?
A Phase I ESA typically takes 2-4 weeks from the date the consultant begins work. Most of that time goes to obtaining regulatory records, reviewing historical aerial photographs, and scheduling the site visit. A Phase II ESA takes longer, usually 4-8 weeks, because it involves field work, laboratory analysis of soil and groundwater samples, and report preparation. Rush timelines are available from some firms for an additional fee, often cutting 1-2 weeks off the standard schedule. Real estate transactions in Texas frequently build assessment timelines into the due diligence period, so starting early avoids delays at closing.
Does the Texas Petroleum Storage Tank Remediation Fund cover site assessment costs?
The PST Remediation Fund in Texas is designed to reimburse eligible corrective action costs for registered UST sites with confirmed petroleum releases. The fund does not directly pay for Phase I or Phase II assessments. If your assessment confirms a release from a registered tank, the subsequent cleanup work may qualify for reimbursement through the fund. Eligibility depends on factors including tank registration status, compliance history, and timely reporting of the release. Property owners should check eligibility early because application deadlines are tied to the date of discovery, and missing that window means paying full remediation costs out of pocket.
What happens during a Phase II environmental site assessment?
A Phase II ESA begins with a drilling crew advancing soil borings at locations identified in the Phase I report as areas of concern. Soil samples are collected from specific depths, typically near the bottom and sides of former tank excavations, and sent to an accredited laboratory for analysis. If groundwater is encountered, the consultant may install temporary or permanent monitoring wells to collect water samples. Laboratory results are compared against Texas risk-based screening levels to determine whether contamination exceeds regulatory thresholds. The consultant then prepares a detailed report with findings, site maps, boring logs, and laboratory data sheets, with the entire field and reporting process taking 4-8 weeks under normal conditions.
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Browse Texas Contractors →For Texas UST regulations, visit the TCEQ Petroleum Storage Tank Program. Federal requirements are available from the EPA UST Program.