
Special machinery and systems for mechanical water management and sludge treatment with MudMaster®

Aquarius Water Management AG
Schindellegi (Schwyz) · EngelbergNew on Amplifa
About Aquarius Water Management
Aquarius Water Management AG is a Swiss company for mechanical water management based in Schindellegi (Schwyz) with its registered seat in Engelberg. The company supports projects for the cleaning and maintenance of bodies of water: from problem analysis through consulting, tender preparation and vendor selection to end-to-end project management as general contractor. The portfolio includes weed harvester boats, trash skimmer boats, amphibious vehicles and customer-specific special machinery for sludge treatment. With the patented MudMaster® sludge treatment plant, Aquarius WM offers an integrated system for dredging and sludge dewatering that can be sold, rented or leased. The company can look back on more than 45 years of experience and over 300 successful projects, and serves customers on all five continents through a network of strategic partners.
- Site
- Schindellegi
- Processes
- Sludge treatment/dewatering (MudMaster® system), Production of customer-specific special machinery, Project consulting and management (water body maintenance, water analyses), Consulting (problem assessment, project support, tender preparation, vendor selection), Special machinery & custom solutions (tailor-made machines, machinery trading), MudMaster® sludge treatment solution (sale, rental, leasing, sales partnership), Import and trading of special watercraft for water cleaning and maintenance, Water analyses
- Founded
- 1993
- Employees
- 2-10
- Industries
- Mechanical engineering, Mechanical water management, Water management / environmental technology, Water management/environmental technology
- 01
Consulting and problem analysis
- 02
Engineering and special machinery development
- 03
Assembly of customer-specific machines
- 04
Sales and worldwide trading (import)
- 05
MudMaster® rental and leasing
- 06
Project management as general contractor
Locations

Schindellegi
CHHeadquarters
- MudMaster® sludge treatment plant
- Weed harvester boats / Weed Harvesters
- Trash Skimmers
- Amphibious vehicles
Engelberg
CHRegistered seat
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Sludge treatment/dewatering (MudMaster® system)Engineering | – | – | – | – | – |
| Production of customer-specific special machineryAssembly | – | – | – | – | – |
| Project consulting and management (water body maintenance, water analyses)Engineering | – | – | – | – | – |
4 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| MudMaster® sludge treatment plant | Aquarius Water Management MudMaster® | – | – | – | – |
| Weed harvester boats (Weed Harvesters) | – | – | – | – | – |
| Trash Skimmers (trash skimming boats) | – | – | – | – | – |
| Amphibious vehicles for water body maintenance | – | – | – | – | – |
Additional services
History
- 1993
Entry in the Swiss commercial register on 03.03.1993
- 2016
Patent: sludge treatment plant for dewatering sludge (18.05.2016)
- 2021
Renamed to ACVISTA AG (17.02.2021)
- 2025
Renamed to Aquarius WM AG (09.01.2025)