Union Sanitary District (Alameda) water operator salary, 2025

Union Sanitary District (Alameda) is a sanitary district in Alameda County. 39 people worked as water operators for Union Sanitary District (Alameda) in 2025. Those who worked the full year earned an average of $158,954, overtime included.

What is the average water operator salary at Union Sanitary District (Alameda)?

Official pay range, wastewater collection operators¹

$96,559 to $142,016

from the lowest entry salary to the top of the highest title for wastewater collection operators, the largest group

Average total pay, full-year water operators¹

$158,954

average base pay $138,835

The largest group of Union Sanitary District (Alameda)'s water operators (17 of 39) hold the title Plant Operator III, with an official range of $130,291 to $158,369. Those who worked the full year earned an average of $169,438, $11,069 above the top of the range.

Water operators: 39; 36 of them worked the full year
Starting salary: $96,559; bottom of the Collection System Worker I range
Median total pay: $159,706; the middle water operator: half earned more, half less
Average pay rank: 21st; of 300 California employers

What does each water operator title at Union Sanitary District (Alameda) pay?

Each bar is the official range for one title, lowest first. The dot marks the average total pay of full-year staff in that title, where at least 5 people stand behind it.¹

Wastewater collection operators

Collection System Worker I$96,559 to $117,368 · fewer than 5 people
fewer than 5
Collection System Worker II$106,216 to $129,106 · 12 people
$140,255
Lead Collection System Worker$116,837 to $142,016 · 7 people
$173,901

Wastewater treatment operators

Plant Operator III Trainee 1$99,003 to $120,339 · fewer than 5 people
fewer than 5
Plant Operator III Trainee 2$111,608 to $135,661 · fewer than 5 people
fewer than 5
Plant Operator III$130,291 to $158,369 · 17 people
$169,438

official range average total pay, full year. "Fewer than 5" means too few full-year people in that title to show.

Does Union Sanitary District (Alameda) pay water operators more than other employers in Alameda County?

Average total pay of full-year water operators: Union Sanitary District (Alameda) next to every employer in the county together, and the whole state.¹

Union Sanitary District (Alameda)$158,954
All employers in Alameda County$159,204
All employers in California$123,726

Full-year water operators at Union Sanitary District (Alameda) earned $250 less than the Alameda County average and $35,228 more than the California average.

Where does Union Sanitary District (Alameda) rank among California employers?

Every employer with at least 5 full-year water operators, by average total pay.¹

All 300 California employers

Union Sanitary District (Alameda) ranks 21st of 300, above the middle employer.

Union Sanitary District (Alameda)

$50k$100k$150k$200k

Middle employer: $116,210

The 10 employers in Alameda County

Union Sanitary District (Alameda) ranks 4th of 10, above the middle employer.

Union Sanitary District (Alameda)

$140k$160k$180k$200k

Middle employer: $157,428

Each bar counts the employers whose average total pay falls in a $5,000 band. The dashed line marks the middle employer.

Pension and health cover at Union Sanitary District (Alameda)

As reported by the agency. Contributions are what the employer paid per full-year water operator, on top of wages.¹

Pension formula: 2% at 62; the most common formula among Union Sanitary District (Alameda)'s water operators
Employer pension contribution: $16,763; average per year
Health, dental and vision: $27,559; average paid by the employer per year

Questions about water operator pay at Union Sanitary District (Alameda)

What is the average water operator salary at Union Sanitary District (Alameda)?

Water operators at Union Sanitary District (Alameda) who worked the full year earned an average of $158,954 in 2025, overtime included. The middle water operator earned $159,706: half earned more, half less. The official pay range across its water operator titles runs from $96,559 to $142,016.

How much overtime do water operators at Union Sanitary District (Alameda) earn?

Full-year water operators were paid an average of $10,795 in overtime in 2025. The middle one was paid $6,759: a few people with a lot of overtime pull the average up.

What pension do water operators at Union Sanitary District (Alameda) get?

The most common pension formula among Union Sanitary District (Alameda)'s water operators is 2% at 62, as reported by the agency. The employer paid an average of $16,763 a year into the pension plan.

More salaries in Alameda County

Sources for the Union Sanitary District (Alameda) figures

Every person who held a water operator position at Union Sanitary District (Alameda) at any point in 2025 counts toward the headcount. Pay figures use only people who worked roughly the full year: those whose regular pay reached at least 90% of the bottom of their official range. Total pay is gross wages before tax, including overtime, lump sums and other pay. Averages lead; the median total pay is the middle person's, with half above and half below, and is less pulled by a few people with a lot of overtime. Every figure covers at least 5 people.

State Controller's Office, Government Compensation in California, 2025: positions, official pay ranges, wages, pension formula and employer contributions as reported by Union Sanitary District (Alameda).

How we read the data