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California / Toxic Substances Control / Hazardous Substances Engineer

Job-title file

Hazardous Substances Engineer

Design, analyze, and oversee technical systems or infrastructure, ensuring they meet specifications and codes.

135 employees hold this title in Toxic Substances Control. Median total compensation for the role is $110,456, above the department median of $102,059.

Employees
135
Total payroll
$14.2M
Role median
$110,456
Agency median
$102,059
Comparison
Above

What the records show

Role pay distribution

Pay distribution for this role

-$4,596$149,638+

Hover a bar for its range; click to filter the list below.

How total compensation varies among the 135 people in this role. Even for one job title, pay differs with seniority, step, overtime, and tenure. Each bar is a pay range; the far-right bar collects the highest earners.

Compared with the local labor market

Hazardous Substances Engineer pay vs. California

Across all employers in California, the median wage for Environmental Engineers — about 4,550 people — is $130,410. Toxic Substances Control pays a median base salary of $112,965 for this role, 13% below that figureabout the 37th percentile of local pay for the occupation.

Where Toxic Substances Control sits in the local pay range

10th
25th
Median
75th
90th
$79,790
$95,950
$130,410
$148,650
$170,790
Toxic Substances Control median · $112,965

The bar is the range of annual wages for Environmental Engineers across every employer in California, from the 10th to the 90th percentile, with the middle 50% highlighted. The marker shows Toxic Substances Control’s median base salary for this role. Both figures are base pay only.

And across the country

Nationwide, the median wage for Environmental Engineers — about 38,340 people — is $107,110. Toxic Substances Control’s median base salary is 5% above that national figure, about the 55th percentile of pay for the occupation nationally.

10th
25th
Median
75th
90th
$69,990
$83,570
$107,110
$134,420
$162,220
Toxic Substances Control median · $112,965

Local and national wages differ for reasons beyond how well a job pays — cost of living, the mix of employers, and local demand for the occupation all move the California range relative to the national one.

Computed over the 124 of 135 people in this role paid at least $25,000in base salary. The rest are part-year or part-time records, whose actual pay isn’t comparable to a full-time annual wage.

Median total compensation for this role at Toxic Substances Control is $110,456, which includes overtime and employer-paid benefits. The benchmark above excludes both, so total compensation is deliberately not compared against it.

Benchmark: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (May 2025). BLS Occupational Employment and Wage Statistics (OEWS) covers all employers in the area — private, non-profit, and government alike — so this is a comparison against the whole local labor market for the occupation, not against private-sector pay. OEWS wages are straight-time pay and exclude overtime, shift differentials, and employer-paid benefits, so the government figure shown here is base pay on the same basis. Total compensation is not comparable to it. Job titles are matched to the closest standard occupation, so the comparison is between similar work rather than an identical job classification.

Compare departments

This role across California

Hazardous Substances Engineer is held in 2 California departments. In Toxic Substances Control, the median of $110,456 ranks #1 of 2.

Highest-paying departments for this role

Median total compensation for the Hazardous Substances Engineer role in other Californiadepartments (highest first). Each bar links to that department’s page for this role.

Record list

Employees with this title

Page 1

Mera Golo

Hazardous Substances Engineer/Toxic Substances Control

2024 total comp
$116,894
Base pay
$116,389
Overtime
$0
Other pay
$505
Benefits
$0
Total compensation
$116,894
Employment type
Full-Time
Union / bargaining unit
R09
Work county
Sacramento
Middle name
S

Source-specific fields

Base Pay
$10,008
Cs/csu
Cs
Position Number
8105113726057
Salary Total
$10,008
Total Pay
$116,894

Mera Golo is a Hazardous Substances Engineer at Toxic Substances Control. They work full-time. 2024 total compensation came to $116,894. Union affiliation: R09.

Peggy Nguyen

Hazardous Substances Engineer/Toxic Substances Control

2025 total comp
$115,992
Base pay
$115,642
Overtime
$0
Other pay
$350
Benefits
$0
Total compensation
$115,992
Employment type
Full-Time
Union / bargaining unit
R09
Work county
Alameda
Middle name
H

Source-specific fields

Base Pay
$9,470
Cs/csu
Cs
Position Number
8105143726039
Salary Total
$9,186
Total Pay
$115,992

Peggy Nguyen holds the role of Hazardous Substances Engineer at Toxic Substances Control. Their status is full-time. In 2025, their total compensation was $115,992. Union affiliation: R09.

Yang Dong

Hazardous Substances Engineer/Toxic Substances Control

2025 total comp
$115,673
Base pay
$115,173
Overtime
$0
Other pay
$500
Benefits
$0
Total compensation
$115,673
Employment type
Full-Time
Union / bargaining unit
R09
Work county
Sacramento

Source-specific fields

Base Pay
$10,298
Cs/csu
Cs
Position Number
8105113726372
Salary Total
$9,989
Total Pay
$115,673

Yang Dong is a Hazardous Substances Engineer at Toxic Substances Control. They work full-time. 2025 total compensation came to $115,673. They are represented by R09.

Leonora Kuzmenko

Hazardous Substances Engineer/Toxic Substances Control

2025 total comp
$115,533
Base pay
$115,183
Overtime
$0
Other pay
$350
Benefits
$0
Total compensation
$115,533
Employment type
Full-Time
Union / bargaining unit
R09
Work county
Sacramento

Source-specific fields

Base Pay
$10,097
Cs/csu
Cs
Position Number
8105113726161
Salary Total
$8,396
Total Pay
$115,533

Leonora Kuzmenko holds the role of Hazardous Substances Engineer at Toxic Substances Control. Their status is full-time. In 2025, their total compensation was $115,533. Their bargaining unit is R09.

Jimmy Adams

Hazardous Substances Engineer/Toxic Substances Control

2025 total comp
$115,352
Base pay
$115,002
Overtime
$0
Other pay
$350
Benefits
$0
Total compensation
$115,352
Employment type
Full-Time
Union / bargaining unit
R09
Work county
Sacramento
Middle name
D

Source-specific fields

Base Pay
$11,131
Cs/csu
Cs
Position Number
8105113726144
Salary Total
$9,770
Total Pay
$115,352

At Toxic Substances Control, Jimmy Adams serves as a Hazardous Substances Engineer. They work full-time. Their 2025 pay totaled $115,352. They are represented by R09.

Erick Garcia

Hazardous Substances Engineer/Toxic Substances Control

2025 total comp
$114,691
Base pay
$114,341
Overtime
$0
Other pay
$350
Benefits
$0
Total compensation
$114,691
Employment type
Full-Time
Union / bargaining unit
R09
Work county
Los Angeles
Middle name
A

Source-specific fields

Base Pay
$10,309
Cs/csu
Cs
Position Number
8105363726901
Salary Total
$10,000
Total Pay
$114,691

Erick Garcia holds the role of Hazardous Substances Engineer at Toxic Substances Control. Their status is full-time. In 2025, their total compensation was $114,691. Union affiliation: R09.

Angel Solis

Hazardous Substances Engineer/Toxic Substances Control

2025 total comp
$114,268
Base pay
$107,491
Overtime
$6,428
Other pay
$350
Benefits
$0
Total compensation
$114,268
Employment type
Full-Time
Union / bargaining unit
R09
Work county
Sacramento

Source-specific fields

Base Pay
$9,341
Cs/csu
Cs
Position Number
8105113726001
Salary Total
$9,061
Total Pay
$114,268

Angel Solis is a Hazardous Substances Engineer at Toxic Substances Control. They work full-time. 2025 total compensation came to $114,268. They are represented by R09.

Ali Hobballah

Hazardous Substances Engineer/Toxic Substances Control

2025 total comp
$114,120
Base pay
$113,770
Overtime
$0
Other pay
$350
Benefits
$0
Total compensation
$114,120
Employment type
Full-Time
Union / bargaining unit
R09
Work county
Orange
Middle name
N

Source-specific fields

Base Pay
$10,298
Cs/csu
Cs
Position Number
8105043726158
Salary Total
$9,989
Total Pay
$114,120

Ali Hobballah is a Hazardous Substances Engineer at Toxic Substances Control. They work full-time. 2025 total compensation came to $114,120. Their bargaining unit is R09.

Kevin Lam

Hazardous Substances Engineer/Toxic Substances Control

2025 total comp
$112,586
Base pay
$112,411
Overtime
$0
Other pay
$175
Benefits
$0
Total compensation
$112,586
Employment type
Full-Time
Union / bargaining unit
R09
Work county
Sacramento

Source-specific fields

Base Pay
$9,808
Cs/csu
Cs
Position Number
8105313726601
Salary Total
$9,514
Total Pay
$112,586

At Toxic Substances Control, Kevin Lam serves as a Hazardous Substances Engineer. They work full-time. Their 2025 pay totaled $112,586. They are represented by R09.

Melanie Tieu

Hazardous Substances Engineer/Toxic Substances Control

2025 total comp
$112,308
Base pay
$111,958
Overtime
$0
Other pay
$350
Benefits
$0
Total compensation
$112,308
Employment type
Full-Time
Union / bargaining unit
R09
Work county
Sacramento
Middle name
P

Source-specific fields

Base Pay
$9,808
Cs/csu
Cs
Position Number
8106513726155
Salary Total
$9,514
Total Pay
$112,308

At Toxic Substances Control, Melanie Tieu serves as a Hazardous Substances Engineer. They work full-time. Their 2025 pay totaled $112,308. Their bargaining unit is R09.