How can a water rat be driven away? - briefly
Set up humane traps or deterrent devices, eliminate access to water and food, and modify the habitat to make it unsuitable for the rodent.
How can a water rat be driven away? - in detail
To eliminate water rats from a property, focus on three primary actions: habitat alteration, physical barriers, and targeted removal.
Alter the environment so it no longer supports the species. Remove standing water, repair leaking pipes, and clear vegetation that provides cover. Trim overhanging branches that grant easy access to roofs or walls. Store feed, garbage, and compost in sealed containers to eliminate food sources.
Install exclusion devices that prevent entry. Fit tight-fitting mesh (no larger than 1 mm) over vents, drains, and gaps around foundations. Use metal flashing around the base of structures to block climbing routes. Ensure all doors and windows close securely.
Apply direct control methods when the population persists. Set live‑catch traps baited with fish, meat, or fruit; check traps frequently and relocate captured animals far from the site. Deploy snap traps in concealed locations, positioning them perpendicular to running water where rats travel. Use commercially available repellents containing predator urine or bittering agents, reapplying after rain.
Maintain sanitation to discourage re‑infestation. Clean up spilled feed, remove debris, and keep lawns mowed. Encourage natural predators such as owls and raptors by installing nesting boxes. Regularly inspect the property for new signs of activity and address any breaches immediately.