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- Explore Data /
- Bay of Plenty region /
- Air Quality /
- Whakatane
Whakatane at Kopeopeo

The Kopeopeo site was established in mid 2006. PM10 (from home heating) is the main contaminant of concern in this area. We verify our data before it is shared publicly to ensure its accuracy so no live data is displayed here. We need this level of accuracy to support the National Environmental S...
- Explore Data /
- Taranaki region /
- River Quality /
- Whenuakura River
Whenuakura River at Nicholson Road

The monitoring site at Nicholson Road is located in the lower reaches of the Whenuakura River, 10.7 km upstream of the coast. This site is in the upper tidal section of the river, upstream of any saline influence. Water quality is moderate, although median values, particularly for nutrients and clar...
- Learn /
- Factsheets
Actions that make a difference to waterway health

Throughout New Zealand, there are many initiatives underway to improve water quality and aquatic ecosystem health. These initiatives include action by individuals, iwi/hapū, communities, industry, and central and local government – often working together to address waterway health issues. Despite th...
- Learn /
- Factsheets /
- Estuaries
Assessing state of our estuaries

What do we mean by 'state'? The term 'state' is used to describe the current condition of a site. This assessment is usually based on a variety of indicators. For Estuary Health, the states of three indicators are considered to determine the health of the monitoring site: Mud content Contaminant...
- Learn /
- Factsheets /
- Groundwater
Calculating groundwater quality state

What do we mean by 'state'? On LAWA, we use the term 'state' to describe a site's current conditions. For a given indicator, the ‘state’ is an estimate of the concentration or value that you might expect to find in the groundwater if you were to take a sample from a well today.
- Learn /
- Factsheets /
- Groundwater
Calculating groundwater quality trends

What do we mean by ‘trend’? Groundwater quality is always changing. It may show short-term changes, like responses to rainfall events, chemical spills or groundwater pumping. It may show seasonal cycles, and it may respond differently to periods of wet or dry years. On top of these shorter-term vari...
- Learn /
- Factsheets
Calculating water quality state for our rivers

Why are we recording the current state of our freshwaters? We measure the current state of our rivers, streams and lakes to get an idea about whether our water is suitable for use for various purposes, and about the effect of different pressures (e.g. urbanisation, farming, etc.) on the condition of...
- Learn /
- Factsheets /
- Estuaries
Estuary contaminants

What are estuary contaminants? Contaminants are any pollutants or substances that can become harmful to humans or living organisms when introduced into their environment. A range of different contaminants can be monitored in estuaries and generally fall into two broad categories – metals and organic...
- Learn /
- Factsheets /
- Estuaries
Estuary macrofauna

What are estuary macrofauna? Estuary macrofauna are small, invertebrate animals in estuaries that can be seen with the naked eye (greater than 0.5 mm). There are thousands of species of macrofauna including worms, snails, crustaceans and bivalve shellfish like pipi and cockles.
- Learn /
- Factsheets /
- Air Quality Topic
How is air quality measured?

There are different instruments available for measuring levels of air pollutants. Regional councils and unitary authorities choose their instruments based on factors such as cost, ease of operation, reliability, accuracy and the smallest time scale of data needed, e.g., 10 mins or 24-hours. There...
- Learn /
- Factsheets
Lake Trophic Level Index

The Trophic Level Index (TLI) is a method of characterising the ecological health of lakes based on the amount of nutrients and algae growing in them. It provides an integrated measure of water quality that can be tracked over time and that can be used to estimate biological productivity. It is pr...
- Learn /
- Factsheets /
- Air Quality Topic
Monitoring air quality in New Zealand

Read this factsheet to find out more on air quality monitoring in New Zealand, including who monitors air quality, and the standards and guidelines that air pollutants are monitored against.

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