ContractorHistory

Washington contractor

NW WATER TREATMENT

First registered in Washington on January 17, 2007

License number
NWWATWT943R7
UBI
602095634
Trade
Electrical(all electrical contractors in Washington)
L&I license type and specialty
ELECTRICAL CONTRACTOR · Domestic Pump
City
LYNDEN, WA(all contractors in Lynden)
Phone
(360) 354-2044

A newer license record under the same UBI is on file: Northwest Water Treatment LLC, license NORTHWT78425, EXPIRED, effective June 28, 2022. See Related licenses below.

Current verification

  • Found: No Attorney General complaint records found
  • Review: Registration is not currently active
  • Review: Registration appears to be expired
  • Review: 3 other license records under the same UBI

From the state records below; each section shows its source and when it was last synced.

Registration

Status
EXPIRED
Effective date
January 17, 2007
Expiration date
August 9, 2023
Suspension date
September 7, 2021

Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 7, 2026.

Related licenses

3 other license numbers are registered under the same UBI, 602095634. A UBI identifies one business with the state; a business may hold more than one license, renew under a new number, or register a new license after an earlier one closed.

  • Northwest Water Treatment LLCEXPIRED

    License NORTHWT78425 · ELECTRICAL CONTRACTOR · June 28, 2022 to June 28, 2026 · suspension date September 7, 2024

  • Northwest Water Treatment LLCEXPIRED

    License NORTHWT784K5 · PLUMBING CONTRACTOR · June 28, 2022 to June 28, 2026 · suspension date April 19, 2026

  • NW WATER TREATMENTEXPIRED

    License NWWATT*942RJ · CONSTRUCTION CONTRACTOR · December 11, 2006 to August 9, 2023 · suspension date January 18, 2022

Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 7, 2026.

Bond

L&I does not publish bond records for contractors with EXPIRED status.

Source: L&I Contractor License Data - Bond, Washington State Department of Labor & Industries. Last synced October 9, 2026.

Liability insurance

Chapter 19.28 RCW, the electrical contractor licensing law, requires a bond and does not require liability insurance. L&I's insurance dataset has no policy on file for this contractor.

Source: L&I Contractor License Data - Insurance, Washington State Department of Labor & Industries. Last synced October 9, 2026.

People

Principals L&I lists for this license.

  • NIEUWSMA, DAN A.Since December 27, 2006
  • NIEUWSMA, MARLAE J.Since December 27, 2006

Source: L&I Contractor License - Principal Data, Washington State Department of Labor & Industries. Last synced October 9, 2026.

Attorney General complaints

No Attorney General complaint records found.

Matched on business name and city: NW WATER TREATMENT in LYNDEN. Complaints filed under another name or city are not included.

One other registered contractor shares this business name and city: NW WATER TREATMENT (NWWATT*942RJ, EXPIRED). Complaints are matched by business name and city, so any complaint records shown here also appear on those pages. The records do not say which of these contractors a complaint was about.

A complaint record does not establish that the business violated the law.

Source: Attorney General Consumer Complaints, Washington State Attorney General's Office. Last synced October 9, 2026.

Record history

Changes to this contractor's state records since we began tracking them. The state's current-status tools do not show these.

No changes recorded since our records began on October 6, 2026.

Sources

Record last synced October 7, 2026.

Check this record against the state directly on L&I's Verify a Contractor page (search by license number NWWATWT943R7).