Wisconsin Individual license record
Donald J Firkus Jr.
AMHERST, WI · Portage County
Source roster record · No participation in quote requests is established by this listing.
Source record
The received date records the owner-supplied cleaned CSV import, not a fresh official roster check. Any roster edition date is taken from the supplied source files. Source wording and licence details describe that observation; they do not establish current status, contact deliverability or service coverage.
From the supplied Wisconsin DNR service directories roster file received October 11, 2026. Identified roster edition: 2026-07-07. The received date is not a fresh agency verification.
- Record kind
- Individual license record
- Individual listed
- FIRKUS, DONALD J JR
- Source name listed
- FIRKUS, DONALD J JR
- Contact name listed
- FIRKUS, DONALD J JR
- License / record number
- 6760
- Source work / record detail
- driller; pump installer
- Listed phone
- (715) 570-7601
- Listed email
- dj@djswaterservice.com
- Listed address
- DJ'S WATER SERVICE 6522 OAK DR
AMHERST, WI 54406 - Address county
- Portage County
Check the official Wisconsin DNR service directories source or lookup
Before you hire
Confirm that the record covers the work you need, ask which business will sign the contract, and compare written scopes and references. The questions to ask a well driller and quote checklist cover what to compare.
Other records with addresses in Portage County
- Bob Konkol — record 4509
- BOB'S PLBG & HTG OF CTR WI INC — record 6456
- Chad Kramar — record 8003
- CHETS PLBG & HTG INC — record 4832
- DJ'S WATER SERVICE — record 7072
- Donald Rasmussen — record 4092