Underground Storage Tank Inspector Salary in the United States

How much does an Underground Storage Tank Inspector make in the United States?

As of September 01, 2026, the average salary for an Underground Storage Tank Inspector in the United States is $51,189 per year, which breaks down to an hourly rate of $25.

However, an Underground Storage Tank Inspector's salary can vary significantly. Here’s a look at the typical salary range:

  • Top Earners (90th percentile): $63,857
  • Majority Range (25th-75th percentile): $46,336 to $57,820
  • Entry-Level (10th percentile): $41,918

Key Factors That Influence Underground Storage Tank Inspector Salaries

An Underground Storage Tank Inspector's salary isn't a fixed number. It's shaped by several important factors. Below, we'll explore how your years of experience, geographic location, education and company size can directly affect your earning potential.

How Experience Level Affects Underground Storage Tank Inspector Salaries?

Experience is a primary driver of an Underground Storage Tank Inspector's salary. As you build your skills and take on more complex tasks, your compensation generally increases. Here's how the average salary grows at different career stages:

  • Entry-Level (less than 1 year): $45,360
  • Early Career (1-2 years): $50,701
  • Mid-Level (2-4 years): $59,768
  • Senior-Level (5-8 years): $71,377
  • Expert (over 8 years): $76,499
Levels Salary
Product I... Level Underground Storage Tank Inspector$45,360
Undergrou... Level Underground Storage Tank Inspector$50,701
Product I... Level Underground Storage Tank Inspector$59,768
Product I... Level Underground Storage Tank Inspector$71,377
Product Q... Level Underground Storage Tank Inspector$76,499

How Do Underground Storage Tank Inspector Salaries Vary from State to State?

Your salary can change significantly depending on where you work. States with a higher cost of living and strong industrial sectors often pay more to attract Underground Storage Tank Inspectors. For example, consider the average annual salaries in these key locations:
  • District of Columbia: $56,676.
  • California: $56,461.
  • Massachusetts: $55,709.

Top Paying Cities for Underground Storage Tank Inspectors

Salaries can also vary between different cities. Major metropolitan areas or cities with a high demand for technicians often offer more competitive pay. Here are a few examples of average annual salaries in different U.S. cities:

  • San Jose: $64,564
  • San Francisco: $63,857
  • Oakland: $62,512

What Skills Can Increase an Underground Storage Tank Inspector's Salary?

Demanded Skills for the Role:

  • Commitment (Mentioned in 4.27% Job Postings): An agreement or pledge to do something in the future a commitment to improve conditions at the prison especially : an engagement to assume a financial obligation at a future date.
  • Container (Mentioned in 2.85% Job Postings): Container is an object used for or capable of holding, esp for transport or storage, such as a carton, box, etc.
  • CornerStone (Mentioned in 2% Job Postings): A relational database for MS-DOS released by Infocom, a company best known in the 1980s for developing interactive fiction video games. It is generally considered a key factor in Infocom's demise.
Skills Demand Percentage
Commitment 4.27%
Container 2.85%
CornerStone 2%

What skills can make your compensation higher?

Mastering certain specialized skills can lead to a significant increase in pay. Here are examples of skills and the potential impact they can have on an Underground Storage Tank Inspector's salary.

  • Confidentiality: Can increase your salary by up to 7%.
  • Process Improvement: Can increase your salary by up to 4%.
  • Leadership: Can increase your salary by up to 4%.
Skill Salary Salary % Increase
Confidentiality $54,772
7%
Process Improvement $53,236
4%
Leadership $53,236
4%

Underground Storage Tank Inspector Salary by Industry: Top Paying Sectors

For Underground Storage Tank Inspector roles, the industry you choose can affect earning potential by as much as 45% (the gap between the highest and lowest paying industries). Data shows that the Financial Services and Software & Networking sectors offer the strongest compensation, at 20% above the average. In contrast, Underground Storage Tank Inspector positions in Edu., Gov't. & Nonprofit or Hospitality & Leisure typically offer lower base pay, as these industries often view Underground Storage Tank Inspector as a support function rather than a direct revenue driver.

The top paying industries for an Underground Storage Tank Inspector

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Financial Services$61,426$30.020%
Software & Networking$61,426$30.020%
Biotechnology$58,867$28.015%
Pharmaceuticals$58,867$28.015%
Energy & Utilities$56,308$27.010%

How Education impacts an Underground Storage Tank Inspector's Salary?

Your level of education can impact your salary potential. While many Underground Storage Tank Inspectors enter the field with a Associate's Degree degree, higher education can lead to more specialized and higher-paying roles.

According to our 100% employer-reported salary data, the median salary for an Underground Storage Tank Inspector with a Associate's Degree is between $47,367 and $50,672).

Underground Storage Tank Inspector Salaries by Degree Level

Typical Education for Underground Storage Tank Inspector
Degree Level % of user with this level of education
No Diploma 53.3%
High School 53.3%
Associates 26.7%
Bachelors 20.0%
Masters 0.0%
Doctorate 0.0%

Underground Storage Tank Inspector Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how an Underground Storage Tank Inspector's annual salary breaks down can help with budgeting. Below, you can see the average hourly rate, weekly pay, and monthly pay for this role. Use the buttons to switch between different pay periods.

Last Updated on September 01, 2026
$46,336
Average $51,189/year
$57,820
$3,861
Average $4,266/month
$4,818
$891
Average $984/week
$1,112
$22
Average $25/hour
$28
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $57,820 $4,818 $1,112 $28
Average $51,189 $4,266 $984 $25
25th Percentile $46,336 $3,861 $891 $22

Most common benefits for Underground Storage Tank Inspector

  • Social Security
  • 401 (k)
  • Disability
  • Healthcare
  • Pension
  • Time Off (days)

Common company salaries for Underground Storage Tank Inspector

Here are companies hiring for Underground Storage Tank Inspector and their salaries, click below for more details.

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FAQ about Underground Storage Tank Inspector

1. What industry pays the highest salary for Underground Storage Tank Inspector?

The Financial Services industry offers the highest average compensation for Underground Storage Tank Inspector roles, with salaries approximately 20% above the market median.

Where Does Our Salary Data Come From?

Salary.com provides salary estimates, histograms, trends, and comparisons using data from employer job postings and third-party sources.

We offer detailed salary information across multiple percentiles for your reference. (Click here to learn Why the Salary Midpoint Formula Is Crucial for Achieving Pay Equity.)

With the most extensive online, real-time compensation data available, Salary.com helps you pinpoint your exact pay target.

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