Water and Wastewater Treatment Plant and System Operators Salary by State

National average: $62,404 · 50 states · BLS OEWS May 2025

StateMean Salary
California$87,190
Washington$82,770
Nevada$80,880
Connecticut$78,890
New Jersey$77,530
Colorado$72,670
Illinois$71,820
Wyoming$71,550
Minnesota$71,490
Oregon$70,620
Massachusetts$69,900
New York$69,680
Alaska$68,600
Vermont$67,130
Delaware$66,310
Maine$65,010
New Hampshire$64,810
Maryland$64,570
Hawaii$64,550
Rhode Island$64,260
Wisconsin$64,070
Pennsylvania$64,020
North Dakota$62,080
Utah$61,930
Montana$61,570
Florida$61,180
Arizona$61,160
Iowa$60,790
Virginia$60,500
Nebraska$60,380
Michigan$60,080
Ohio$58,990
Indiana$56,680
South Carolina$55,910
South Dakota$55,750
Alabama$55,300
Idaho$55,060
North Carolina$54,620
New Mexico$53,870
Tennessee$53,790
Missouri$53,190
Texas$51,920
Georgia$51,630
West Virginia$50,590
Kansas$49,290
Mississippi$49,060
Louisiana$48,160
Kentucky$47,770
Oklahoma$47,350
Arkansas$45,590