Glossary

In relation to a watercourse, the maximum upstream location on that watercourse at which a tidal variation in water level is observed.

In relation to a water sample, the total concentration of all forms of nitrogen found in the water sample. This includes nitrate, nitrite, ammonia-N and organic forms of nitrogen.

In relation to a water sample, the total concentration of all forms of phosphorus found in it.

In relation to a water sample, the measure of the particles mixed in it.

The measure of the light-scattering properties of water. This is an indicator of the presence of suspended solids.