CertifiedHours

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 35 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 $50.41 an hour (hydraulic dredge: group 1) to $91.43 (power equipment operator). Your contract may lock an earlier modification.

Scope

Dredging Construction Projects (Excludes D.O.E. Hanford Site in Benton and Franklin Counties)

Rates by classification

Total is the basic rate plus the fringe. Source is the agreement or survey the rate came from; a marker means the group changed in this modification. A dagger (†) means the fringe carries a footnote or percentage the total does not include; read the group’s notes.

ClassificationBasic rateFringeTotalSource
ENGI0302-030 · Operating Engineers agreement, June 1, 2014
ZONE 2 (26-45 RADIUS MILES) - ADD $1.00 TO ZONE 1 RATES ZONE 3…
Full text

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

$37.35$17.40$54.75Agreement
ZONE 2 (26-45 RADIUS MILES) - ADD $1.00 TO ZONE 1 RATES ZONE 3…
Full text

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

$36.93$17.40$54.33Agreement
ZONE 2 (26-45 RADIUS MILES) - ADD $1.00 TO ZONE 1 RATES ZONE 3…
Full text

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

$38.39$17.40$55.79Agreement
ZONE 2 (26-45 RADIUS MILES) - ADD $1.00 TO ZONE 1 RATES ZONE 3…
Full text

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

$37.35$17.40$54.75Agreement
ZONE 2 (26-45 RADIUS MILES) - ADD $1.00 TO ZONE 1 RATES ZONE 3…
Full text

ZONE 2 (26-45 RADIUS MILES) - ADD $1.00 TO ZONE 1 RATES ZONE 3 (OVER 45 RADIUS MILES) - ADD $1.30 TO ZONE 1 RATES BASEPOINTS: KENT, EVERETT, MT. VERNON, BELLINGHAM, PORT ANGELES, PORT TOWNSEND, ABERDEEN, SHELTON, BREMERTON, WENATCHEE, AND YAKIMA.$ 36.93 17.40 DREDGING: 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$53.33Agreement
Group definitions, zones and premiums for ENGI0302-030
DREDGING: 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 text

HYDRAULIC 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$52.21Agreement
HYDRAULIC DREDGE: GROUP 6…
Full text

HYDRAULIC 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$51.94Agreement
HYDRAULIC DREDGE: GROUP 5…
Full text

HYDRAULIC 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$51.66Agreement
HYDRAULIC DREDGE: GROUP 4…
Full text

HYDRAULIC 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$51.50Agreement
HYDRAULIC DREDGE: GROUP 3…
Full text

HYDRAULIC 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$51.34Agreement
HYDRAULIC DREDGE: GROUP 2…
Full text

HYDRAULIC 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$50.73Agreement
HYDRAULIC DREDGE: GROUP 1…
Full text

HYDRAULIC 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$50.41Agreement
ENGI0612-002 · Operating Engineers agreement, June 1, 2025
POWER EQUIPMENT OPERATOR…
Full text

POWER 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$87.28Agreement
POWER EQUIPMENT OPERATOR…
Full text

POWER 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$91.43Agreement
POWER EQUIPMENT OPERATOR…
Full text

POWER 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$89.64Agreement
POWER EQUIPMENT OPERATOR…
Full text

POWER 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$87.95Agreement
ENGI0612-013 · Operating Engineers agreement, June 1, 2025
POWER EQUIPMENT OPERATOR…
Full text

POWER 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$87.28Agreement
POWER EQUIPMENT OPERATOR…
Full text

POWER 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$91.43Agreement
POWER EQUIPMENT OPERATOR…
Full text

POWER 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$89.64Agreement
POWER EQUIPMENT OPERATOR…
Full text

POWER 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$87.95Agreement
ENGI0701-003 · Operating Engineers agreement, January 1, 2024
DREDGING: TENDERMAN ZONE C$57.82$16.70$74.52Agreement
DREDGING: TENDERMAN ZONE B$54.82$16.70$71.52Agreement
DREDGING: TENDERMAN ZONE A$51.82$16.70$68.52Agreement
DREDGING: LEVERMAN, HYDRAULIC ZONE C$62.47$16.70$79.17Agreement
DREDGING: LEVERMAN, HYDRAULIC ZONE B$59.47$16.70$76.17Agreement
DREDGING: LEVERMAN, HYDRAULIC ZONE A$56.47$16.70$73.17Agreement
DREDGING: LEVERMAN, DIPPER, FLOATING CLAMSHELL ZONE C$62.47$16.70$79.17Agreement
DREDGING: LEVERMAN, DIPPER, FLOATING CLAMSHELL ZONE B$59.47$16.70$76.17Agreement
DREDGING: LEVERMAN, DIPPER, FLOATING CLAMSHELL ZONE A$56.47$16.70$73.17Agreement
DREDGING: ASSISTANT MATE ZONE C$53.95$16.70$70.65Agreement
DREDGING: ASSISTANT MATE ZONE B$50.95$16.70$67.65Agreement
DREDGING: ASSISTANT MATE ZONE A$47.95$16.70$64.65Agreement
DREDGING: ASSISTANT ENGINEER ZONE C$59.31$16.70$76.01Agreement
DREDGING: ASSISTANT ENGINEER ZONE B$56.31$16.70$73.01Agreement
DREDGING: ASSISTANT ENGINEER ZONE A$53.31$16.70$70.01Agreement

Modification history

Modification 0January 2, 2026
Modification 1May 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

Prevailing wage rates: Adams, Asotin, Benton and 36 more counties, Washington (Heavy) · WA20260080 Mod 1 · CertifiedHours