Water Services

Effective management of wastewater, stormwater, drinking water, and trade industrial waste is critical for sustaining healthy communities and ecosystems. At LDE, our Three Waters services are designed to address the challenges of water resource management while prioritizing environmental sustainability, public health, and resilience to climate change.

We strictly follow all New Zealand standards to ensure quality and compliance. Contact us to learn more.

Wastewater Management

Stormwater Management

Drinking Water Supply

Trade Industrial Waste

Wastewater Management

Introduction

LDE offers innovative wastewater management solutions tailored to meet the needs of residential, commercial, and industrial clients. With a focus on sustainability and compliance, we design systems that ensure efficient collection, treatment, and disposal of wastewater. Our solutions are grounded in protecting public health, minimizing environmental impact, and meeting strict regulatory standards.

From decentralized treatment systems to large-scale wastewater infrastructure, our team is committed to delivering solutions that are cost-effective and resilient. At LDE, we combine technical expertise with a deep understanding of New Zealand’s unique environmental challenges to provide tailored outcomes that exceed expectations.

Expertise and Approach

Our wastewater engineering team draws on extensive experience in managing complex projects across diverse sectors. By leveraging cutting-edge technologies and best practices, we develop solutions that align with client goals while addressing local environmental and community needs. We integrate innovative treatment methods, robust risk management strategies, and adaptive designs to create reliable systems that stand the test of time.

Key Services

System Design and Optimization: Custom wastewater collection and treatment solutions tailored for efficiency and reliability.
Compliance and Regulation: Ensuring all designs meet regional and national environmental and health standards.
On-Site Wastewater Treatment: Decentralized solutions for rural and urban developments.
Environmental Impact Assessments: Comprehensive evaluations to mitigate ecological risks.
Monitoring and Maintenance Plans: Long-term strategies to maintain system performance and compliance.

Stormwater Management

Introduction

LDE specializes in designing and implementing stormwater management systems that protect communities from flooding, control erosion, and safeguard water quality. By integrating advanced hydrological analysis with innovative infrastructure solutions, we help clients achieve sustainable stormwater management outcomes.

Whether managing urban stormwater runoff or developing solutions for rural catchments, our designs balance functionality with environmental stewardship. At LDE, we aim to enhance resilience to extreme weather events and create systems that complement natural ecosystems.

Expertise and Approach

Our team combines local knowledge with global best practices to deliver stormwater solutions tailored to New Zealand’s dynamic environmental conditions. From green infrastructure to traditional engineering systems, we incorporate a holistic approach that optimizes water flow and reduces adverse impacts. Through proactive planning and collaboration with stakeholders, we ensure stormwater systems meet current and future needs.

Key Services

Stormwater System Design: Tailored solutions for effective water collection, conveyance, and storage.
Flood Risk Management: Comprehensive analysis and mitigation strategies to minimize flood impacts.
Erosion Control: Solutions to stabilize land and prevent sedimentation in waterways.
Green Infrastructure: Implementation of permeable pavements, rain gardens, and bioswales.
Stormwater Quality Improvement: Integration of treatment systems to reduce pollutants and enhance water quality.

Drinking Water Supply

Introduction

At LDE, we provide reliable and sustainable drinking water supply solutions to meet the needs of communities, businesses, and industries. With a focus on safety and efficiency, our services ensure the delivery of high-quality water through well-designed infrastructure. We prioritize adherence to stringent standards, ensuring the systems we design not only meet today’s needs but are also adaptable to future demands.

From source to tap, our team delivers end-to-end solutions that emphasize durability, operational efficiency, and public health. At LDE, we are committed to helping communities access clean and safe drinking water through innovative engineering.

Expertise and Approach

Our drinking water experts bring extensive experience in system design, network optimization, and treatment technologies. By leveraging the latest tools and methodologies, we provide solutions that align with client goals while prioritizing resource conservation. We take a client-focused approach, working closely with stakeholders to address challenges and deliver outcomes that exceed expectations.

Key Services

Water Treatment Systems: Design and implementation of treatment processes to ensure water quality.
Distribution Network Design: Development of efficient and resilient systems for urban and rural settings.
Storage Solutions: Design of reservoirs and tanks to ensure a reliable water supply.
Regulatory Compliance: Ensuring all systems meet New Zealand’s drinking water standards.
System Upgrades and Maintenance: Optimization of existing infrastructure for improved performance and longevity.

Trade Industrial Waste

INTRODUCTION

LDE (Engineering and Science) Consulting is a multidisciplinary firm specialising in providing innovative, sustainable, and practical solutions to complex environmental and engineering challenges. With a proven track record in New Zealand’s water sector, LDE is at the forefront of managing the 4th water - trade and industrial wastes. These waste streams pose unique environmental, regulatory, and operational challenges, requiring a comprehensive approach to assessment, treatment, and compliance monitoring.

Our expertise spans a wide range of industries, including manufacturing, food and beverage processing, forestry, dairy, and pharmaceuticals. We are committed to helping businesses minimise environmental impact, meet regulatory standards, and achieve operational efficiency.

CORE COMPETENCIES

Assessment of Trade and Industrial Wastes

Our team of environmental engineers, scientists, and process specialists use advanced methodologies to evaluate the characteristics and impacts of trade and industrial waste streams.

Sampling and analysis: comprehensive sampling protocols and laboratory analysis to determine key parameters such as pH, BOD₅/COD, suspended solids, heavy metals, and hazardous substances
Waste characterisation: detailed profiling of waste streams to identify pollutant sources, variability, and volume
Impact assessment: quantitative and qualitative assessment of trade waste impacts on municipal wastewater systems, receiving environments, and regulatory compliance

Design and Optimisation of Treatment Systems

LDE delivers customised treatment solutions tailored to the specific needs of each client and waste stream.

Pre-treatment systems: design and implementation of screening, pH adjustment, oil and grease separation, and solids removal systems
Biological treatment: integration of aerobic, anaerobic, or hybrid systems for effective organic pollutant reduction
Chemical and physical treatment: expertise in advanced oxidation, coagulation/flocculation, filtration, and membrane technologies
Emerging technologies: application of cutting-edge solutions, such as electrocoagulation and advanced adsorption systems, to tackle complex contaminants
System optimisation: performance reviews and process audits to enhance existing treatment systems and reduce operational costs

Compliance Monitoring and Reporting

Regulatory compliance is critical for businesses managing trade and industrial wastes. LDE offers end-to-end services to ensure adherence to New Zealand’s legislative and council requirements.

Regulatory liaison: guidance on compliance with the Resource Management Act (RMA), local bylaws, and trade waste agreements
Monitoring programs: development and implementation of bespoke compliance monitoring plans, including real-time data collection and reporting systems
Data analysis and reporting: statistical analysis and interpretation of monitoring data to identify trends and ensure compliance with discharge limits
Risk assessment: identification and mitigation of risks associated with non-compliance, including contingency planning

Sustainable Solutions and Resource Recovery

LDE is committed to sustainable practices and helping clients transition towards circular economy principles.

Waste minimisation: identification of process inefficiencies and recommendations for reducing waste at the source
Resource recovery: development of strategies to recover valuable resources such as water, energy, and nutrients from waste streams
Carbon reduction: integration of low-carbon technologies to align with New Zealand’s climate change goals

KEY DIFFERENTIATORS

Experienced team: our team comprises industry-leading professionals with expertise in trade waste management, environmental science, and engineering
Advanced tools and technologies: we employ state-of-the-art analytical tools, modelling software, and treatment technologies
Regulatory expertise: deep understanding of New Zealand’s regulatory landscape and long-standing relationships with local councils and regulatory bodies
Holistic approach: end-to-end solutions from waste assessment to compliance, integrating sustainability at every stage
Client-centric service: tailored solutions designed to meet the unique needs of each client, ensuring operational efficiency and cost-effectiveness.

ACTIONS

Food processing plant trade waste management
- conduct a comprehensive waste assessment, leading to the design and commissioning of a biological treatment system that reduced BOD₅ by up to 85%
- achieve full compliance with local discharge limits while lowering operational costs by a minimum of 20%
Heavy metal waste treatment for manufacturing facilities
- Design and implement a chemical treatment process to remove heavy metals from wastewater
- Ensure compliance with stringent discharge standards, avoiding regulatory penalties
Real-time monitoring system for a dairy processing plant
- Develop a customised compliance monitoring solution, integrating real-time sensors and cloud-based reporting tools
- Reduce reporting time by 50% and enhance regulatory confidence

WHY CHOOSE LDE - COMMITMENT TO EXCELLENCE

At LDE we understand the critical role trade and industrial waste management plays in safeguarding New Zealand’s water resources. By combining technical expertise, innovative solutions, and a commitment to sustainability, we empower businesses to navigate the challenges of the 4th water with confidence and responsibility.

Water Services

Wastewater Management

Stormwater Management

Drinking Water Supply

Trade Industrial Waste

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What We Do

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