Wastewater and Effluent: Raw Sewage, Treated Effluents and Trade Waste

The Environmental Laboratory provides effluent monitoring, primarily for the Rotorua Lakes Council (Treatment Plant, Pollution Control and Landfill).

We can offer effluent analyses for private businesses, resource consent holders, engineering consultants and those who own/operate on-site effluent treatment systems.

We offer a range of chemical and microbiological analyses including but not limited to:

Nutrients Testing

• Total Oxidised Nitrogen (Nitrate & Nitrite)
• Total Kjeldahl (organic) Nitrogen
• Total Nitrogen
• Total Phosphorus
• Total Dissolved Phosphorus
• Dissolved Reactive Phosphorus
• Physical Characteristics

Total Solids

• Suspended Solids
• Total Dissolved Solids
• Volatile Solids
• pH
• Dissolved Oxygen
• Conductivity
• Turbidity
• UV absorbance / Transmittance

General Chemistry

• Alkalinity
• Ammoniacal Nitrogen
• Chloride
• Chemical Oxygen Demand (COD)
• Carbonaceous Biological Oxygen Demand (cBOD5)

Microbiological Testing

• Faecal coliforms
• E. coli

We can also provide metals and organics analysis.