Walnut, CA

Refinery & Process Operator programs in Walnut

1 listed program in Walnut, with statewide pay data from BLS.

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$104,560Average pay (state, all experience levels)
$72,930Entry-level / bottom 10%
$103,250Median pay (state)
$128,840Top 10% earn over

1 listed program in Walnut · 15 in California. Average = BLS mean across all experience levels, not starting pay. Pay: California, BLS OEWS May 2025 estimates, released 2026-05-15.

Programs

Listed programs in Walnut

Schools: NCES IPEDS Completions 2023-24, matched by 6-digit CIP code; “Graduates 2023-24” is the number of first-major certificates or associate degrees the school awarded in that program from July 2023 to June 2024 (IPEDS). Tuition: U.S. Dept. of Education College Scorecard (updated 2026-10-15), matched by IPEDS unit ID; it is the published figure, not a quote. Apprenticeship sponsors: DOL Office of Apprenticeship partner file (retrieved 2026-10-29); apprenticeships are typically paid, so no tuition is listed — contact the program.
Program / provider	Type	Graduates 2023-24	Tuition	Source
Mt San Antonio College Chemical Technology/Technician	Associate degree	4	$1,364–$11,136 Annual tuition & fees, in-state to out-of-state (institution-wide)	IPEDS 2023-24 · CIP 41.0301

BLS wage data

Refinery & Process Operator pay near Walnut

BLS publishes no metro estimate that we could match to this city, so statewide wages from the BLS OEWS May 2025 estimates, released 2026-05-15.

Source: BLS OEWS May 2025 estimates, released 2026-05-15.
Area	10th pct	25th pct	Median	75th pct	90th pct	Mean	Employed
California	$72,930	$96,810	$103,250	$119,200	$128,840	$104,560	3,360
United States	$57,110	$77,510	$96,710	$106,320	$115,880	$90,630	33,160

All process operator programs in California →

Related resources

Keep researching

Registered apprenticeships in CaliforniaThe full DOL sponsor list for the state. · RegisteredTradeSchools.com Trade schools approved for the GI BillSearch programs that accept VA education benefits. · VeteranTradeSchools.com

Sources

Wages: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May 2025 estimates, released 2026-05-15 (news release USDL-26-0725; data tables). Cross-checked against the BLS Public Data API on 2026-11-03.
Occupation: O*NET OnLine, 51-8093.00 Petroleum Pump System Operators, Refinery Operators, and Gaugers, retrieved 2026-11-03 (CC BY 4.0).
Apprenticeship sponsors: U.S. Department of Labor, Office of Apprenticeship: partner sponsors file, retrieved 2026-10-29 (Partner Finder).
Schools & graduates: U.S. Department of Education, NCES IPEDS Completions 2023-24 (C2024_A) and Institutional Characteristics (HD2024), award year 2023-24, matched by 6-digit CIP code (completions file; CIP-SOC crosswalk).
Tuition: U.S. Department of Education, College Scorecard (Most Recent Cohorts: Institution + Field of Study), data updated 2026-10-15, matched by IPEDS unit ID (source).

Program listings are matched from public files by occupation code or organization name; they are not endorsements and we have not visited or tested any program. Confirm schedules, entry requirements and costs with the program. Compiled by the HighPayingTrades team; last refreshed 2026-11-03.