Greywater plants already have a high level of technical maturity and reliability. In addition to further technical optimisation, however, it is crucial to inform relevant customer groups in order to successfully market such plants.
An international comparison of such plants does not result in a homogeneous requirement profile due to a variety of norms, standards and requirements. In Europe and the vast majority of nations, there are no specific legal regulations for greywater plants. Even the definition of greywater frequently differs as to whether more strongly loaded kitchen effluents should be taken into account and where recycled greywater can be used.
By testing according to existing regulations and orientating to national fact sheets and rules, one/the industry can create an appropriate means to ensure access to national domestic markets today and to demonstrate the quality of products to customers effectively.
Greywater plants are often combined with rainwater systems..
PIA offers the following different test methods:
Extensive American test methods for domestic and commercial greywater plants with numerous end uses.
- NSF/ANSI 350:
- For domestic and commercial water reuse, sewage and greywater treatment plants.
- NSF/ANSI 350-1:
- For domestic and commercial water re-use greywater treatment systems for underground infiltration.