What are the main factors that influence an Environmental Engineer III's salary?

The primary factors are: 1) Experience Level, 2) Geographic Location, 3) Education/Skills, 4) Company Size & Industry

How does experience change An Environmental Engineer 's salary?

An Environmental Engineer 's salary grows with experience: an Environmental Engineer I (0-2 years)earns $76,618, an Environmental Engineer II (2-4 years)earns $89,529, an Environmental Engineer III (4-7 years)earns $105,607, an Environmental Engineer IV (7+ years)earns $129,150, an Environmental Engineer V (7-10 years)earns $157,712,

What are the highest paying states for an Environmental Engineer III?

Environmental Engineer III salary varies significantly by state. The top 3 highest paying states for Environmental Engineer III roles are District of Columbia $115,462, California $115,024, Massachusetts $113,491. These tech hubs typically pay 10-15% above the national average.

How much do different types of Environmental Engineer roles make?

Salaries for Environmental Engineer level roles vary by specialization: Environmental Engineer V: $155,734; Environmental Specialist III: $142,509; Environmental Engineer IV: $127,530; Facilities Engineer III: $112,201; Environmental Analysis Engineer III: $104,290.

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Environmental Engineer III Salary in Delaware

How much does an Environmental Engineer III make in Delaware?

As of April 01, 2026, the average salary for an Environmental Engineer III in Delaware is $105,607 per year, which breaks down to an hourly rate of $51.

However, an Environmental Engineer III's salary can vary significantly. Here’s a look at the typical salary range:

Top Earners (90th percentile): $127,503
Majority Range (25th-75th percentile): $97,703 to $117,068
Entry-Level (10th percentile): $90,507

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Environmental Engineer III Salaries by Percentile

	Annual Salary	Monthly Pay	Weekly Pay	Hourly Wage
75th Percentile	$117,068	$9,756	$2,251	$56
Average	$105,607	$8,801	$2,031	$51
25th Percentile	$97,703	$8,142	$1,879	$47

You may get higher pay by adjusting the following factors:

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Key Factors That Influence Environmental Engineer III Salaries

An Environmental Engineer III'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 and company size can directly affect your earning potential.

How Experience Level Affects Environmental Engineer Salaries?

Experience is a primary driver of an Environmental Engineer III'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:

Environmental Engineer I (0-2 years): $76,618
Environmental Engineer II (2-4 years): $89,529
Environmental Engineer III (4-7 years): $105,607
Environmental Engineer IV (7+ years): $129,150
Environmental Engineer V (7-10 years): $157,712

Job Role	Years of Experience	Average Salary
Environmental Engineer I	0-2 years	$76,618
Environmental Engineer II	2-4 years	$89,529
Environmental Engineer III	4-7 years	$105,607
Environmental Engineer IV	7+ years	$129,150
Environmental Engineer V	7-10 years	$157,712

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What Am I Worth?

How Do Environmental Engineer III 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 Environmental Engineer IIIs. For example, consider the average annual salaries in these key locations:

District of Columbia: $115,462.
California: $115,024.
Massachusetts: $113,491.

District of Columbia $115,462 California $115,024 Massachusetts $113,491 Washington $113,074 New Jersey $113,032 Alaska $112,886 Connecticut $111,447 New York $110,863

Hawaii $108,997 Rhode Island $108,121 Maryland $107,526 Minnesota $106,713 Colorado $106,400 Illinois $106,296 Oregon $105,899 Delaware $105,607

New Hampshire $105,424 Virginia $105,013 Pennsylvania $103,814 Nevada $103,209 North Dakota $103,011 Michigan $102,698 Wisconsin $102,583 Vermont $102,354

Texas $101,718 Maine $101,676 Arizona $101,613 Ohio $101,540 Georgia $100,581 Indiana $100,101 Wyoming $100,007 Utah $99,861

Iowa $99,799 Kansas $99,298 Louisiana $99,152 North Carolina $99,100 Missouri $99,079 Florida $98,673 Montana $98,454 Nebraska $98,245

Kentucky $98,130 South Carolina $97,713 Tennessee $97,452 Idaho $97,348 New Mexico $96,587 Oklahoma $96,420 Alabama $95,805 South Dakota $94,772

Arkansas $94,209 West Virginia $93,907 Mississippi $93,000

Top Paying Cities for Environmental Engineer IIIs

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:

Lincoln: $109,299
Little Creek: $108,287
Magnolia: $108,736

Lincoln, DE $109,299 Little Creek, DE $108,287 Magnolia, DE $108,736 Milford, DE $109,299 Marydel, DE $107,881 Millsboro, DE $109,299 Millville, DE $110,029 Milton, DE $109,299

Nassau, DE $109,299 Ocean View, DE $110,029 Rehoboth Beach, DE $110,029 Seaford, DE $108,152 Selbyville, DE $110,029 Smyrna, DE $107,756 Viola, DE $108,736 Woodside, DE $108,423

Bear, DE $106,963 Newark, DE $107,005 Claymont, DE $107,088 Delaware City, DE $107,005 Hockessin, DE $107,088 Kirkwood, DE $107,005 Middletown, DE $107,537 Montchanin, DE $107,088

New Castle, DE $107,088 Odessa, DE $107,683 Port Penn, DE $106,713 Rockland, DE $107,088 Saint Georges, DE $107,005 Townsend, DE $107,526 Winterthur, DE $107,088 Lewes, DE $109,299

Wilmington, DE $107,088 Dover, DE $108,235 Dover Afb, DE $108,486 Bethany Beach, DE $110,029 Bethel, DE $108,152 Bridgeville, DE $109,299 Camden Wyoming, DE $108,350 Cheswold, DE $107,985

Clayton, DE $107,714 Dagsboro, DE $110,029 Delmar, DE $108,152 Ellendale, DE $109,299 Felton, DE $109,299 Fenwick Island, DE $110,029 Frankford, DE $110,029 Frederica, DE $109,299

Georgetown, DE $109,299 Greenwood, DE $109,299 Harbeson, DE $109,299 Harrington, DE $109,299 Hartly, DE $107,662 Houston, DE $109,299 Kenton, DE $107,714 Laurel, DE $108,152

Yorklyn, DE $107,088

Environmental Engineer III Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how an Environmental Engineer III'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 April 01, 2026

$97,703

Average $105,607/year

$117,068

$8,142

Average $8,801/month

$9,756

$1,879

Average $2,031/week

$2,251

$47

Average $51/hour

$56

	Annual Salary	Monthly Pay	Weekly Pay	Hourly Wage
75th Percentile	$117,068	$9,756	$2,251	$56
Average	$105,607	$8,801	$2,031	$51
25th Percentile	$97,703	$8,142	$1,879	$47

Environmental Engineer III Salary Growth & Career Path

Environmental Engineer III

Environmental Engineer IV

Environmental Engineer V

For an Environmental Engineer III, the most direct path to higher earnings is advancing to the Environmental Engineer IV role. This promotion typically comes with a significant pay increase, bringing the average annual salary to $129,150 - a projected growth of 22% over your current level.

Salaries of jobs related to Environmental Engineer III

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