Wastewater
Manage wastewater safely from collection and treatment through to return to the environment. Solutions can support single properties, businesses and reticulated communities.
What We Offer
Options Assessment:
Evaluate practical wastewater solutions for individual properties and communities.
Design and Delivery:
Coordinate system design, consenting, construction, installation and commissioning.
Environmental Assessment:
Prepare site investigations, impact assessments, budgets and nutrient balances.
Management and Policy:
Develop management plans, operating frameworks and wastewater policy.
Why It Matters
Effective wastewater management protects public health and ensures residential, commercial and industrial wastewater is collected, treated and returned safely to the environment. Considering design, management, funding and regulatory requirements together creates solutions that are reliable, consentable and appropriate for each site or community.
Aditional Benefits
Well-planned wastewater systems can reduce environmental risk, avoid unnecessary infrastructure costs and support staged growth from individual dwellings to reticulated communities. Land treatment can also recover water and nutrients for productive use, reduce surface-water discharges and lessen reliance on storage or treatment plant upgrades.
Onsite Wastewater

LEI provides design, management, risk assessment, peer review and policy support for onsite wastewater systems. Our advice helps you select solutions that suit the property, receiving environment and long-term operational needs without introducing unnecessary complexity.
Related Services
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Need practical advice for your environmental project?
Talk to LEI for quality, timely technical advice, big-picture planning and project management support tailored to your environmental goals.
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