Prevailing wage rates · Washington · Wage determination
Prevailing wage rates: Adams, Asotin, Benton and 36 more counties, Washington
Heavy construction · WA20260080 modification 1, published May 18, 2026
The short answer
This sheet sets 36 classifications for heavy work in Adams, Asotin, Benton and 36 more counties, Washington. Each line is a basic hourly rate plus a fringe rate, and the sum is the minimum you must pay for that work, from $64.65 an hour (dredging: assistant mate zone a) to $79.17 (dredging: leverman, dipper, floating clamshell zone c). Your contract may lock an earlier modification.
Scope
Dredging Construction Projects (Excludes D.O.E. Hanford Site in Benton and Franklin Counties)
What changed this year
First published January 2, 2026, this sheet is now on modification 1, but none of its modifications has changed a rate.
Latest change
May 18, 2026 · modification 1
Classification names reworded; no change among the 26 lines we could match
SAM.gov reworded this sheet’s classification names in this modification, so not every line can be matched to the one before. Only lines matched with certainty are compared here; nothing is guessed. If your trade is not listed, compare it against your contract’s copy.
Compared line by line from each modification as published on SAM.gov. A line we could not pair with certainty is left out rather than guessed.
Rates by classification
These are the rates in modification 1 as published on SAM.gov. The determination and modification written into your contract are the ones that bind you; check that number before relying on this table. Total is the basic rate plus the fringe. Source is the agreement or survey the rate came from and its year; a survey year long past means the rate has not been surveyed since. A marker means the group changed in this modification. In the Since column, a dash means SAM.gov reworded the line during the year and it cannot be matched to the first publication with certainty. A dagger (†) means the fringe carries a footnote or percentage the total does not include; read the group’s notes.
| Classification | Basic rate | Fringe | Total | Source |
|---|---|---|---|---|
| ENGI0302-030 · Operating Engineers agreement, June 1, 2014 | ||||
ZONE 2 (26-45 RADIUS MILES) - ADD $1.00 TO ZONE 1 RATES ZONE 3…Full textZONE 2 (26-45 RADIUS MILES) - ADD $1.00 TO ZONE 1 RATES ZONE 3 (OVER 45 RADIUS MILES) - ADD $1.30 TO ZONE 1 RATES BASEPOINTS: KENT, EVERETT, MT. VERNON, BELLINGHAM, PORT ANGELES, PORT TOWNSEND, ABERDEEN, SHELTON, BREMERTON, WENATCHEE, AND YAKIMA | $37.35 | $17.40 | $54.75 | Agreement, 2014 |
ZONE 2 (26-45 RADIUS MILES) - ADD $1.00 TO ZONE 1 RATES ZONE 3…Full textZONE 2 (26-45 RADIUS MILES) - ADD $1.00 TO ZONE 1 RATES ZONE 3 (OVER 45 RADIUS MILES) - ADD $1.30 TO ZONE 1 RATES BASEPOINTS: KENT, EVERETT, MT. VERNON, BELLINGHAM, PORT ANGELES, PORT TOWNSEND, ABERDEEN, SHELTON, BREMERTON, WENATCHEE, AND YAKIMA | $36.93 | $17.40 | $54.33 | Agreement, 2014 |
ZONE 2 (26-45 RADIUS MILES) - ADD $1.00 TO ZONE 1 RATES ZONE 3…Full textZONE 2 (26-45 RADIUS MILES) - ADD $1.00 TO ZONE 1 RATES ZONE 3 (OVER 45 RADIUS MILES) - ADD $1.30 TO ZONE 1 RATES BASEPOINTS: KENT, EVERETT, MT. VERNON, BELLINGHAM, PORT ANGELES, PORT TOWNSEND, ABERDEEN, SHELTON, BREMERTON, WENATCHEE, AND YAKIMA | $38.39 | $17.40 | $55.79 | Agreement, 2014 |
ZONE 2 (26-45 RADIUS MILES) - ADD $1.00 TO ZONE 1 RATES ZONE 3…Full textZONE 2 (26-45 RADIUS MILES) - ADD $1.00 TO ZONE 1 RATES ZONE 3 (OVER 45 RADIUS MILES) - ADD $1.30 TO ZONE 1 RATES BASEPOINTS: KENT, EVERETT, MT. VERNON, BELLINGHAM, PORT ANGELES, PORT TOWNSEND, ABERDEEN, SHELTON, BREMERTON, WENATCHEE, AND YAKIMA | $37.35 | $17.40 | $54.75 | Agreement, 2014 |
ZONE 2 (26-45 RADIUS MILES) - ADD $1.00 TO ZONE 1 RATES ZONE 3…Full textZONE 2 (26-45 RADIUS MILES) - ADD $1.00 TO ZONE 1 RATES ZONE 3 (OVER 45 RADIUS MILES) - ADD $1.30 TO ZONE 1 RATES BASEPOINTS: KENT, EVERETT, MT. VERNON, BELLINGHAM, PORT ANGELES, PORT TOWNSEND, ABERDEEN, SHELTON, BREMERTON, WENATCHEE, AND YAKIMA | $36.93 | $17.40 | $54.33 | Agreement, 2014 |
DREDGING: ZONE 1: GROUP 1…Full textDREDGING: ZONE 1: GROUP 1 ASSISTANT MATE (DECKHAND) (CHELAN (WEST OF THE 120TH MERIDIAN), CLALLAM, DOUGLAS (WEST OF THE 120TH MERIDIAN), GRAYS HARBOR, ISLAND, JEFFERSON, KING, KITSAP, KITTITAS, MASON, OKANOGAN (WEST OF THE 120TH MERIDIAN), SAN JUNA, SKAGIT, SNOHOMISH, WHATCOM AND YAKIMA (WEST OF THE 120TH MERIDIAN) COUNTIES) ZONE 2 (26-45 RADIUS MILES) - ADD $1.00 TO ZONE 1 RATES ZONE 3 (OVER 45 RADIUS MILES) - ADD $1.30 TO ZONE 1 RATES BASEPOINTS: KENT, EVERETT, MT. VERNON, BELLINGHAM, PORT ANGELES, PORT TOWNSEND, ABERDEEN, SHELTON, BREMERTON, WENATCHEE, AND YAKIMA | $35.93 | $17.40 | $53.33 | Agreement, 2014 |
Group definitions, zones and premiums for ENGI0302-030DREDGING: ZONE 1: GROUP 6 MAINTENANCE (CHELAN (WEST OF THE 120TH MERIDIAN), CLALLAM, DOUGLAS (WEST OF THE 120TH MERIDIAN), GRAYS HARBOR, ISLAND, JEFFERSON, KING, KITSAP, KITTITAS, MASON, OKANOGAN (WEST OF THE 120TH MERIDIAN), SAN JUNA, SKAGIT, SNOHOMISH, WHATCOM AND YAKIMA (WEST OF THE 120TH MERIDIAN) COUNTIES) DREDGING: ZONE 1: GROUP 5 LEVERMAN, HYDRAULIC (CHELAN (WEST OF THE 120TH MERIDIAN), CLALLAM, DOUGLAS (WEST OF THE 120TH MERIDIAN), GRAYS HARBOR, ISLAND, JEFFERSON, KING, KITSAP, KITTITAS, MASON, OKANOGAN (WEST OF THE 120TH MERIDIAN), SAN JUNA, SKAGIT, SNOHOMISH, WHATCOM AND YAKIMA (WEST OF THE 120TH MERIDIAN) COUNTIES) DREDGING: ZONE 1: GROUP 4 CRANEMAN, ENGINEER WELDER (CHELAN (WEST OF THE 120TH MERIDIAN), CLALLAM, DOUGLAS (WEST OF THE 120TH MERIDIAN), GRAYS HARBOR, ISLAND, JEFFERSON, KING, KITSAP, KITTITAS, MASON, OKANOGAN (WEST OF THE 120TH MERIDIAN), SAN JUNA, SKAGIT, SNOHOMISH, WHATCOM AND YAKIMA (WEST OF THE 120TH MERIDIAN) COUNTIES) DREDGING: ZONE 1: GROUP 3 ASSISTANT ENGINEER (ELECTRIC, DIESEL, STEAM OR BOOSTER PUMP); MATES AND BOATMEN (CHELAN (WEST OF THE 120TH MERIDIAN), CLALLAM, DOUGLAS (WEST OF THE 120TH MERIDIAN), GRAYS HARBOR, ISLAND, JEFFERSON, KING, KITSAP, KITTITAS, MASON, OKANOGAN (WEST OF THE 120TH MERIDIAN), SAN JUNA, SKAGIT, SNOHOMISH, WHATCOM AND YAKIMA (WEST OF THE 120TH MERIDIAN) COUNTIES) DREDGING: ZONE 1: GROUP 2 OILER (CHELAN (WEST OF THE 120TH MERIDIAN), CLALLAM, DOUGLAS (WEST OF THE 120TH MERIDIAN), GRAYS HARBOR, ISLAND, JEFFERSON, KING, KITSAP, KITTITAS, MASON, OKANOGAN (WEST OF THE 120TH MERIDIAN), SAN JUNA, SKAGIT, SNOHOMISH, WHATCOM AND YAKIMA (WEST OF THE 120TH MERIDIAN) COUNTIES) | ||||
| ENGI0302-128 · Operating Engineers agreement, June 1, 2021 | ||||
HYDRAULIC DREDGE: GROUP 7…Full textHYDRAULIC DREDGE: GROUP 7: (ADAMS, ASOTIN, BENTON, CHELAN (EAST OF THE 120TH MERIDIAN), COLUMBIA, DOUGLAS (EAST OF THE 120TH MERIDIAN), FERRY, FRANKLIN, GARFIELD, GRANT, LINCOLN, OKANOGAN (EAST OF THE 120TH MERIDIAN), PEND OREILLE, SPOKANE, STEVENS, WALLA WALLA, WHITMAN AND YAKIMA (EAST OF THE 120TH MERIDIAN) COUNTIES WORK PERFORMED ON HYDRAULIC DREDGES) | $31.56 | $20.65 | $52.21 | Agreement, 2021 |
HYDRAULIC DREDGE: GROUP 6…Full textHYDRAULIC DREDGE: GROUP 6: (ADAMS, ASOTIN, BENTON, CHELAN (EAST OF THE 120TH MERIDIAN), COLUMBIA, DOUGLAS (EAST OF THE 120TH MERIDIAN), FERRY, FRANKLIN, GARFIELD, GRANT, LINCOLN, OKANOGAN (EAST OF THE 120TH MERIDIAN), PEND OREILLE, SPOKANE, STEVENS, WALLA WALLA, WHITMAN AND YAKIMA (EAST OF THE 120TH MERIDIAN) COUNTIES WORK PERFORMED ON HYDRAULIC DREDGES) | $31.29 | $20.65 | $51.94 | Agreement, 2021 |
HYDRAULIC DREDGE: GROUP 5…Full textHYDRAULIC DREDGE: GROUP 5: (ADAMS, ASOTIN, BENTON, CHELAN (EAST OF THE 120TH MERIDIAN), COLUMBIA, DOUGLAS (EAST OF THE 120TH MERIDIAN), FERRY, FRANKLIN, GARFIELD, GRANT, LINCOLN, OKANOGAN (EAST OF THE 120TH MERIDIAN), PEND OREILLE, SPOKANE, STEVENS, WALLA WALLA, WHITMAN AND YAKIMA (EAST OF THE 120TH MERIDIAN) COUNTIES WORK PERFORMED ON HYDRAULIC DREDGES) | $31.01 | $20.65 | $51.66 | Agreement, 2021 |
HYDRAULIC DREDGE: GROUP 4…Full textHYDRAULIC DREDGE: GROUP 4: (ADAMS, ASOTIN, BENTON, CHELAN (EAST OF THE 120TH MERIDIAN), COLUMBIA, DOUGLAS (EAST OF THE 120TH MERIDIAN), FERRY, FRANKLIN, GARFIELD, GRANT, LINCOLN, OKANOGAN (EAST OF THE 120TH MERIDIAN), PEND OREILLE, SPOKANE, STEVENS, WALLA WALLA, WHITMAN AND YAKIMA (EAST OF THE 120TH MERIDIAN) COUNTIES WORK PERFORMED ON HYDRAULIC DREDGES) | $30.85 | $20.65 | $51.50 | Agreement, 2021 |
HYDRAULIC DREDGE: GROUP 3…Full textHYDRAULIC DREDGE: GROUP 3: (ADAMS, ASOTIN, BENTON, CHELAN (EAST OF THE 120TH MERIDIAN), COLUMBIA, DOUGLAS (EAST OF THE 120TH MERIDIAN), FERRY, FRANKLIN, GARFIELD, GRANT, LINCOLN, OKANOGAN (EAST OF THE 120TH MERIDIAN), PEND OREILLE, SPOKANE, STEVENS, WALLA WALLA, WHITMAN AND YAKIMA (EAST OF THE 120TH MERIDIAN) COUNTIES WORK PERFORMED ON HYDRAULIC DREDGES) | $30.69 | $20.65 | $51.34 | Agreement, 2021 |
HYDRAULIC DREDGE: GROUP 2…Full textHYDRAULIC DREDGE: GROUP 2: (ADAMS, ASOTIN, BENTON, CHELAN (EAST OF THE 120TH MERIDIAN), COLUMBIA, DOUGLAS (EAST OF THE 120TH MERIDIAN), FERRY, FRANKLIN, GARFIELD, GRANT, LINCOLN, OKANOGAN (EAST OF THE 120TH MERIDIAN), PEND OREILLE, SPOKANE, STEVENS, WALLA WALLA, WHITMAN AND YAKIMA (EAST OF THE 120TH MERIDIAN) COUNTIES WORK PERFORMED ON HYDRAULIC DREDGES) | $30.08 | $20.65 | $50.73 | Agreement, 2021 |
HYDRAULIC DREDGE: GROUP 1…Full textHYDRAULIC DREDGE: GROUP 1: (ADAMS, ASOTIN, BENTON, CHELAN (EAST OF THE 120TH MERIDIAN), COLUMBIA, DOUGLAS (EAST OF THE 120TH MERIDIAN), FERRY, FRANKLIN, GARFIELD, GRANT, LINCOLN, OKANOGAN (EAST OF THE 120TH MERIDIAN), PEND OREILLE, SPOKANE, STEVENS, WALLA WALLA, WHITMAN AND YAKIMA (EAST OF THE 120TH MERIDIAN) COUNTIES WORK PERFORMED ON HYDRAULIC DREDGES) | $29.76 | $20.65 | $50.41 | Agreement, 2021 |
| ENGI0612-002 · Operating Engineers agreement, June 1, 2025 | ||||
POWER EQUIPMENT OPERATOR…Full textPOWER EQUIPMENT OPERATOR: OILER; ASSISTANT MATE (DECKHAND) (PIERCE COUNTY) ZONE 1 (0-25 RADIUS MILES - BASE RATE ZONE 2 (26-45 RADIUS MILES) - ADD $1.00 TO ZONE 1 RATES ZONE 3 (OVER 45 RADIUS MILES) - ADD $1.30 TO ZONE 1 RATES BASEPOINTS: TACOMA, OLYMPIA, AND CENTRALIA | $59.96 | $27.32 | $87.28 | Agreement, 2025 |
POWER EQUIPMENT OPERATOR…Full textPOWER EQUIPMENT OPERATOR: LEVERMAN, HYDRAULIC (PIERCE COUNTY) ZONE 1 (0-25 RADIUS MILES - BASE RATE ZONE 2 (26-45 RADIUS MILES) - ADD $1.00 TO ZONE 1 RATES ZONE 3 (OVER 45 RADIUS MILES) - ADD $1.30 TO ZONE 1 RATES BASEPOINTS: TACOMA, OLYMPIA, AND CENTRALIA | $64.11 | $27.32 | $91.43 | Agreement, 2025 |
POWER EQUIPMENT OPERATOR…Full textPOWER EQUIPMENT OPERATOR: ENGINNER WELDER (PIERCE COUNTY) ZONE 1 (0-25 RADIUS MILES - BASE RATE ZONE 2 (26-45 RADIUS MILES) - ADD $1.00 TO ZONE 1 RATES ZONE 3 (OVER 45 RADIUS MILES) - ADD $1.30 TO ZONE 1 RATES BASEPOINTS: TACOMA, OLYMPIA, AND CENTRALIA | $62.32 | $27.32 | $89.64 | Agreement, 2025 |
POWER EQUIPMENT OPERATOR…Full textPOWER EQUIPMENT OPERATOR: ASSISTANT ENGINEER (ELECTRIC, DIESEL, STEAM, OR BOOSTER PUMP); MATES & BOATMEN (PIERCE COUNTY) ZONE 1 (0-25 RADIUS MILES - BASE RATE ZONE 2 (26-45 RADIUS MILES) - ADD $1.00 TO ZONE 1 RATES ZONE 3 (OVER 45 RADIUS MILES) - ADD $1.30 TO ZONE 1 RATES BASEPOINTS: TACOMA, OLYMPIA, AND CENTRALIA | $60.63 | $27.32 | $87.95 | Agreement, 2025 |
| ENGI0612-013 · Operating Engineers agreement, June 1, 2025 | ||||
POWER EQUIPMENT OPERATOR…Full textPOWER EQUIPMENT OPERATOR: OILER; ASSISTANT MATE (DECKHAND) (LEWIS, PACIFIC(NORTH OF A LINE EXTENDING FROM THE NORTHWEST CORNER OF WAHKIAKUM COUNTY TO THE PACIFIC OCEAN), AND THURSTON COUNTIES) ZONE 1 (0-25 RADIUS MILES - BASE RATE ZONE 2 (26-45 RADIUS MILES) - ADD $1.00 TO ZONE 1 RATES ZONE 3 (OVER 45 RADIUS MILES) - ADD $1.30 TO ZONE 1 RATES BASEPOINTS: TACOMA, OLYMPIA, AND CENTRALIA | $59.96 | $27.32 | $87.28 | Agreement, 2025 |
POWER EQUIPMENT OPERATOR…Full textPOWER EQUIPMENT OPERATOR: LEVERMAN, HYDRAULIC (LEWIS, PACIFIC(NORTH OF A LINE EXTENDING FROM THE NORTHWEST CORNER OF WAHKIAKUM COUNTY TO THE PACIFIC OCEAN), AND THURSTON COUNTIES) ZONE 1 (0-25 RADIUS MILES - BASE RATE ZONE 2 (26-45 RADIUS MILES) - ADD $1.00 TO ZONE 1 RATES ZONE 3 (OVER 45 RADIUS MILES) - ADD $1.30 TO ZONE 1 RATES BASEPOINTS: TACOMA, OLYMPIA, AND CENTRALIA | $64.11 | $27.32 | $91.43 | Agreement, 2025 |
POWER EQUIPMENT OPERATOR…Full textPOWER EQUIPMENT OPERATOR: ENGINNER WELDER (LEWIS, PACIFIC(NORTH OF A LINE EXTENDING FROM THE NORTHWEST CORNER OF WAHKIAKUM COUNTY TO THE PACIFIC OCEAN), AND THURSTON COUNTIES) ZONE 1 (0-25 RADIUS MILES - BASE RATE ZONE 2 (26-45 RADIUS MILES) - ADD $1.00 TO ZONE 1 RATES ZONE 3 (OVER 45 RADIUS MILES) - ADD $1.30 TO ZONE 1 RATES BASEPOINTS: TACOMA, OLYMPIA, AND CENTRALIA | $62.32 | $27.32 | $89.64 | Agreement, 2025 |
POWER EQUIPMENT OPERATOR…Full textPOWER EQUIPMENT OPERATOR: ASSISTANT ENGINEER (ELECTRIC, DIESEL, STEAM, OR BOOSTER PUMP); MATES & BOATMEN (LEWIS, PACIFIC(NORTH OF A LINE EXTENDING FROM THE NORTHWEST CORNER OF WAHKIAKUM COUNTY TO THE PACIFIC OCEAN), AND THURSTON COUNTIES) ZONE 1 (0-25 RADIUS MILES - BASE RATE ZONE 2 (26-45 RADIUS MILES) - ADD $1.00 TO ZONE 1 RATES ZONE 3 (OVER 45 RADIUS MILES) - ADD $1.30 TO ZONE 1 RATES BASEPOINTS: TACOMA, OLYMPIA, AND CENTRALIA | $60.63 | $27.32 | $87.95 | Agreement, 2025 |
| ENGI0701-003 · Operating Engineers agreement, January 1, 2024 | ||||
| DREDGING: TENDERMAN ZONE C | $57.82 | $16.70 | $74.52 | Agreement, 2024 |
| DREDGING: TENDERMAN ZONE B | $54.82 | $16.70 | $71.52 | Agreement, 2024 |
| DREDGING: TENDERMAN ZONE A | $51.82 | $16.70 | $68.52 | Agreement, 2024 |
| DREDGING: LEVERMAN, HYDRAULIC ZONE C | $62.47 | $16.70 | $79.17 | Agreement, 2024 |
| DREDGING: LEVERMAN, HYDRAULIC ZONE B | $59.47 | $16.70 | $76.17 | Agreement, 2024 |
| DREDGING: LEVERMAN, HYDRAULIC ZONE A | $56.47 | $16.70 | $73.17 | Agreement, 2024 |
| DREDGING: LEVERMAN, DIPPER, FLOATING CLAMSHELL ZONE C | $62.47 | $16.70 | $79.17 | Agreement, 2024 |
| DREDGING: LEVERMAN, DIPPER, FLOATING CLAMSHELL ZONE B | $59.47 | $16.70 | $76.17 | Agreement, 2024 |
| DREDGING: LEVERMAN, DIPPER, FLOATING CLAMSHELL ZONE A | $56.47 | $16.70 | $73.17 | Agreement, 2024 |
| DREDGING: ASSISTANT MATE ZONE C | $53.95 | $16.70 | $70.65 | Agreement, 2024 |
| DREDGING: ASSISTANT MATE ZONE B | $50.95 | $16.70 | $67.65 | Agreement, 2024 |
| DREDGING: ASSISTANT MATE ZONE A | $47.95 | $16.70 | $64.65 | Agreement, 2024 |
| DREDGING: ASSISTANT ENGINEER ZONE C | $59.31 | $16.70 | $76.01 | Agreement, 2024 |
| DREDGING: ASSISTANT ENGINEER ZONE B | $56.31 | $16.70 | $73.01 | Agreement, 2024 |
| DREDGING: ASSISTANT ENGINEER ZONE A | $53.31 | $16.70 | $70.01 | Agreement, 2024 |
Modification history
| Modification 0 | January 2, 2026 |
| Modification 1 | May 18, 2026 (current) |
Published by the Wage and Hour Division; read from sam.gov. The sheet is checked for a newer modification each day. Contracts awarded since January 1, 2017 also carry Executive Order 13706 paid sick leave (one hour per 30 worked, up to 56 a year).
Questions people ask
- Which rate do I pay on WA20260080?
- The line for the classification of work actually performed: the basic rate plus the fringe. You may pay the fringe into benefit plans, as cash on every hour, or a mix. Overtime after 40 hours is 1.5 times the basic rate; fringe is paid on every hour and never multiplied.
- My trade is not on this sheet. What do I do?
- Do not borrow the nearest name. Ask the contracting agency for a conformance on Standard Form 1444 before the first week of that work, and note it as pending on the payroll.
- Does modification 1 apply to my contract?
- Only if it was in force when your contract was awarded (generally at bid opening). An earlier modification locked into the contract keeps applying, except on option years, added scope and indefinite-quantity contracts. The number and modification are on the first page of the exhibit in your contract.
How to read a wage determination · Paying the fringe in cash or through plans · Overtime on these rates · Fringe credit calculator
Put these rates on a certified payroll.
Start here and WA20260080 is already filled in when you set up the job. CertifiedHours loads this sheet, checks every line against it as you type hours, and prints the WH-347. Free for one payroll a month.
Start a payroll on this sheetOn this sheet
- 36 classifications in 5 rate groups
- 5 from agreements, 0 from surveys
- Counties: Adams, Asotin, Benton, Chelan, Clallam, Clark, Columbia, Cowlitz, Douglas, Ferry, Franklin, Garfield, Grant, Grays Harbor, Island, Jefferson, King, Kitsap, Kittitas, Klickitat, Lewis, Lincoln, Mason, Okanogan, Pacific, Pend Oreille, Pierce, San Juan, Skagit, Skamania, Snohomish, Spokane, Stevens, Thurston, Wahkiakum, Walla Walla, Whatcom, Whitman, Yakima