A pump changes the whole job.

Understand the permission and disturbance before considering dredging.

Paystreak editorial research · Revised 3 November 2026
Desk research and teaching exercises. No first-hand site inspection is claimed.

Schematic river diagram: compare an inside bend, boulder wake and exposed crack; not a map or a promise of gold
Original Paystreak teaching illustration. Diagrams are schematic, not navigation maps.

Hand panning is a different activity

A suction dredge moves bed material with a pump and hose. Buying equipment does not establish mineral rights, land access or permission to discharge sediment. NZPAM’s permit-free fossicking conditions specify hand tools or non-motorised equipment within designated South Island areas.

Write the proposal precisely

Identify the footprint, access route, equipment, fuel, working period and expected disturbance. Separate mineral permission from landowner agreement and environmental requirements. Ask the relevant authorities about that actual proposal; a vague question about recreational gold may produce an answer that does not cover your machine.

Build the cost from the job

Transport, safe access, hoses, fuel, maintenance, recovery, sediment management and restoration all cost time or money. A purchase price alone is not a project budget. Treat this page as a scope checklist, not operating instruction or a prediction of returns.

For a first trip, reduce the problem

Begin with a permitted hand-panning session. Learn whether you enjoy sampling, repetitive work and cleanup. It is reasonable to stop at that scale. Powered machinery in moving water is not a sensible shortcut around basic field skills.

Try this before the next step.

Write down the exact proposed equipment and footprint. If any permission layer remains unknown, the equipment purchase stays on hold.

Sources & checks

These sources support the factual background. Exercises and buying checklists are Paystreak editorial suggestions, not reported recoveries, product tests or personal financial advice. Check live rules and notices before acting.

How we check and correct our guides