Water and Wastewater Treatment Plant and System Operators Salary in Maryland

State wage data from the BLS OEWS survey, May 2025.

Median annual

$61,870

Median hourly

$30

Average annual

$64,570

Employed in state

1.8K

The median annual salary for Water and Wastewater Treatment Plant and System Operators in Maryland is $61,870, or about $30 an hour. That is 3% higher than the national median.

Pay in Maryland ranges from $44,990 at the 10th percentile to $88,970 at the 90th percentile. Roughly 1.8K people work as water and wastewater treatment plant and system operators in the state.

Pay distribution in Maryland

10th$44,990

25th$49,820

Median$61,870

75th$76,850

90th$88,970

Salary calculator

Pay amountPay period

Hours / weekWeeks / year

Hourly: $29.75
Daily: $238
Weekly: $1,190
Bi-weekly: $2,380
Monthly: $5,156
Annual: $61,870

$61,870 a year is around the 50th percentile for Water and Wastewater Treatment Plant and System Operatorss in Maryland. The median is $61,870.

Water and Wastewater Treatment Plant and System Operators — Maryland
Percentile	Hourly	Annual
10th percentile	$21.60	$44,990
25th percentile	$23.90	$49,820
Median	$29.80	$61,870
75th percentile	$37.00	$76,850
90th percentile	$42.80	$88,970
Average (mean)	$31.00	$64,570
Employment	1,770 people

Water and Wastewater Treatment Plant and System Operators pay by metro area in Maryland

Metro area	Median annual	Employment
Washington-Arlington-Alexandria, DC-VA-MD-WV	$73,600	1.6K
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	$66,680	1.6K
Baltimore-Columbia-Towson, MD	$60,640	910
Lexington Park, MD	$56,440	80
Hagerstown-Martinsburg, MD-WV	$51,700	100
Salisbury, MD	$47,210	70

Other jobs in Maryland

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