Water and Wastewater Treatment Plant and System Operators salary by location
National median: $60,020 (2025 OEWS). Percentages below describe each area's published median against that national figure.
| Location | Type | Median | vs national | Employment | Year |
|---|---|---|---|---|---|
| San Francisco, CA | metropolitan | $125,160 | +108.5% | 1,040 | 2025 |
| San Jose, CA | metropolitan | $108,190 | +80.3% | 460 | 2025 |
| Vallejo, CA | metropolitan | $106,150 | +76.9% | 200 | 2025 |
| Napa, CA | metropolitan | $101,540 | +69.2% | 100 | 2025 |
| Fairbanks, AK | metropolitan | $99,840 | +66.3% | 40 | 2025 |
| Seattle, WA | metropolitan | $99,010 | +65.0% | 830 | 2025 |
| Santa Cruz, CA | metropolitan | $94,060 | +56.7% | 80 | 2025 |
| Olympia, WA | metropolitan | $88,270 | +47.1% | 70 | 2025 |
| Wenatchee, WA | metropolitan | $87,840 | +46.4% | 40 | 2025 |
| Mount Vernon, WA | metropolitan | $87,310 | +45.5% | 90 | 2025 |
| Santa Maria, CA | metropolitan | $85,960 | +43.2% | 250 | 2025 |
| Sacramento, CA | metropolitan | $85,950 | +43.2% | 1,010 | 2025 |
| Las Vegas, NV | metropolitan | $84,450 | +40.7% | 300 | 2025 |
| Portland, OR | metropolitan | $83,860 | +39.7% | 450 | 2025 |
| New York, NY | metropolitan | $83,320 | +38.8% | 3,690 | 2025 |
| San Luis Obispo, CA | metropolitan | $83,190 | +38.6% | 200 | 2025 |
| Riverside, CA | metropolitan | $82,780 | +37.9% | 1,580 | 2025 |
| Los Angeles, CA | metropolitan | $82,460 | +37.4% | 2,230 | 2025 |
| Santa Rosa, CA | metropolitan | $82,200 | +37.0% | 190 | 2025 |
| Bridgeport, CT | metropolitan | $81,810 | +36.3% | 170 | 2025 |
| CA | state | $81,770 | +36.2% | 11,630 | 2025 |
| Stockton, CA | metropolitan | $81,600 | +36.0% | 280 | 2025 |
| NV | state | $81,440 | +35.7% | — | 2025 |
| Bellingham, WA | metropolitan | $81,430 | +35.7% | 80 | 2025 |
| Spokane, WA | metropolitan | $81,240 | +35.4% | 130 | 2025 |
| Hartford, CT | metropolitan | $81,100 | +35.1% | 330 | 2025 |
| WA | state | $80,800 | +34.6% | 2,030 | 2025 |
| Kennewick, WA | metropolitan | $80,750 | +34.5% | 80 | 2025 |
| Anchorage, AK | metropolitan | $80,740 | +34.5% | 150 | 2025 |
| Chico, CA | metropolitan | $80,360 | +33.9% | 100 | 2025 |
| New Haven, CT | metropolitan | $80,130 | +33.5% | 130 | 2025 |
| Vineland, NJ | metropolitan | $80,040 | +33.4% | 60 | 2025 |
| Reno, NV | metropolitan | $79,770 | +32.9% | 160 | 2025 |
| San Diego, CA | metropolitan | $79,630 | +32.7% | 880 | 2025 |
| Chicago, IL | metropolitan | $79,290 | +32.1% | 1,770 | 2025 |
| Bloomington, IL | metropolitan | $79,220 | +32.0% | 60 | 2025 |
| Bremerton, WA | metropolitan | $79,100 | +31.8% | 90 | 2025 |
| CT | state | $78,820 | +31.3% | 980 | 2025 |
| NJ | state | $78,760 | +31.2% | 2,500 | 2025 |
| Modesto, CA | metropolitan | $78,710 | +31.1% | 210 | 2025 |
| Norwich, CT | metropolitan | $78,610 | +31.0% | 130 | 2025 |
| Yuba City, CA | metropolitan | $78,520 | +30.8% | 100 | 2025 |
| Oxnard, CA | metropolitan | $78,350 | +30.5% | 320 | 2025 |
| Rochester, MN | metropolitan | $78,270 | +30.4% | 80 | 2025 |
| Salinas, CA | metropolitan | $77,920 | +29.8% | 190 | 2025 |
| Rockford, IL | metropolitan | $77,830 | +29.7% | 90 | 2025 |
| Redding, CA | metropolitan | $77,550 | +29.2% | 90 | 2025 |
| Minneapolis, MN | metropolitan | $77,170 | +28.6% | 1,010 | 2025 |
| Jacksonville, FL | metropolitan | $77,150 | +28.5% | 460 | 2025 |
| Merced, CA | metropolitan | $76,790 | +27.9% | 110 | 2025 |
| Visalia, CA | metropolitan | $76,580 | +27.6% | 190 | 2025 |
| Bozeman, MT | metropolitan | $76,390 | +27.3% | 70 | 2025 |
| Denver, CO | metropolitan | $76,150 | +26.9% | 960 | 2025 |
| Waterbury, CT | metropolitan | $75,400 | +25.6% | 150 | 2025 |
| Yakima, WA | metropolitan | $75,290 | +25.4% | 90 | 2025 |
| Racine, WI | metropolitan | $74,880 | +24.8% | 50 | 2025 |
| El Centro, CA | metropolitan | $74,790 | +24.6% | 100 | 2025 |
| MN | state | $74,670 | +24.4% | 2,290 | 2025 |
| St. Cloud, MN | metropolitan | $74,670 | +24.4% | 100 | 2025 |
| Boulder, CO | metropolitan | $74,270 | +23.7% | 170 | 2025 |
| CO | state | $74,200 | +23.6% | 2,620 | 2025 |
| Grand Junction, CO | metropolitan | $73,920 | +23.2% | 60 | 2025 |
| Washington, DC | metropolitan | $73,600 | +22.6% | 1,630 | 2025 |
| Barnstable Town, MA | metropolitan | $73,460 | +22.4% | 140 | 2025 |
| Fort Collins, CO | metropolitan | $73,330 | +22.2% | 170 | 2025 |
| Boston, MA | metropolitan | $73,330 | +22.2% | 1,460 | 2025 |
| Medford, OR | metropolitan | $73,270 | +22.1% | 40 | 2025 |
| Florence, AL | metropolitan | $72,010 | +20.0% | 70 | 2025 |
| Madison, WI | metropolitan | $71,850 | +19.7% | 150 | 2025 |
| Eugene, OR | metropolitan | $70,250 | +17.0% | 80 | 2025 |
| Santa Fe, NM | metropolitan | $69,870 | +16.4% | 240 | 2025 |
| Mankato, MN | metropolitan | $69,830 | +16.3% | 60 | 2025 |
| OR | state | $69,720 | +16.2% | 1,240 | 2025 |
| Sheboygan, WI | metropolitan | $69,440 | +15.7% | 50 | 2025 |
| MA | state | $68,550 | +14.2% | 2,510 | 2025 |
| Jacksonville, NC | metropolitan | $68,120 | +13.5% | 70 | 2025 |
| Urban Honolulu, HI | metropolitan | $67,840 | +13.0% | 340 | 2025 |
| IL | state | $67,810 | +13.0% | 3,500 | 2025 |
| Lincoln, NE | metropolitan | $67,650 | +12.7% | 70 | 2025 |
| Des Moines, IA | metropolitan | $67,450 | +12.4% | 330 | 2025 |
| Fresno, CA | metropolitan | $67,260 | +12.1% | 400 | 2025 |
| Burlington, VT | metropolitan | $67,250 | +12.0% | 90 | 2025 |
| Green Bay, WI | metropolitan | $67,190 | +11.9% | 140 | 2025 |
| Worcester, MA | metropolitan | $67,190 | +11.9% | 360 | 2025 |
| Albany, OR | metropolitan | $67,060 | +11.7% | 40 | 2025 |
| Milwaukee, WI | metropolitan | $66,980 | +11.6% | 440 | 2025 |
| Ann Arbor, MI | metropolitan | $66,770 | +11.2% | 130 | 2025 |
| Philadelphia, PA | metropolitan | $66,680 | +11.1% | 1,650 | 2025 |
| Missoula, MT | metropolitan | $66,550 | +10.9% | 60 | 2025 |
| Oshkosh, WI | metropolitan | $66,450 | +10.7% | 80 | 2025 |
| Kokomo, IN | metropolitan | $66,230 | +10.3% | 40 | 2025 |
| Springfield, MA | metropolitan | $66,200 | +10.3% | 160 | 2025 |
| Colorado Springs, CO | metropolitan | $65,970 | +9.9% | 230 | 2025 |
| Fargo, ND | metropolitan | $65,970 | +9.9% | 80 | 2025 |
| Greeley, CO | metropolitan | $65,840 | +9.7% | 220 | 2025 |
| Duluth, MN | metropolitan | $65,640 | +9.4% | 180 | 2025 |
| HI | state | $65,560 | +9.2% | 610 | 2025 |
| Pittsburgh, PA | metropolitan | $65,480 | +9.1% | 1,020 | 2025 |
| Monroe, MI | metropolitan | $65,360 | +8.9% | 60 | 2025 |
| Atlantic City, NJ | metropolitan | $65,300 | +8.8% | 140 | 2025 |