Page 9 - A Guide for Users of Packaged Wastewater Treatment Systems
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A GUIDE FOR USERS OF PACKAGED WASTEWATER TREATMENT PLANTS - BRITISH WATER WWTP FG GU-V 1.1-2020 9
Technician to remedy the problem so
you avoid polluting and the associated
enforcement actions.
OTHER SOURCES OF
INFORMATION
1. British Water's list of Accredited Service Technicians can be
viewed at:
https://www.britishwater.co.uk/directory/findengineer.aspx
2. Other British Water publications available at
The environmental regulator may sample the discharge www.britishwater.co.uk are:
from the system to check that it meets the required standards. A. Code of Practice: Guide to the Installation of Sewage
10. Treatment Systems
B. Code of Practice: Guide to Desludging Sewage Treatment
REGULATOR CHECKS Systems
C. Code of Practice: Flows and Loads 4
D. Code of Practice: Maintenance and Servicing by
Be aware that once your Packaged British Water Accredited Technicians
Wastewater Treatment Plant has been GLOSSARY:
commissioned and is in operation, the
environmental regulator may at any Greywater: Water coming from your bathroom sinks, showers,
time and without notice sample the tubs, and washing machines. It is not water that has come
into contact with faeces, either from the toilet or from
discharge from the system to check that washing diapers.
it meets the required standards. The CE marking: The letters ‘CE’ appear on many products traded
environmental regulator also has the on the extended Single Market in the European Economic
right to review and vary the discharge Area (EEA). They signify that products sold in the EEA have
requirements that it sets. been assessed to meet high safety, health, and environmental
protection requirements.
A correctly designed and installed Primary, secondary and even tertiary treatment: There
are three main stages of the wastewater treatment process,
Packaged Wastewater Treatment Plant will known as primary (sedimentation), secondary (biological)
be able to meet the stringent standards and tertiary water treatment (mostly comprised of removing
set by the regulator. If your system is phosphates and nitrate).
being maintained by a qualified British Septic tanks: Septic tanks are chambers in the ground divided
into smaller chambers. The compartments sort solid waste
Water Accredited Service Technician from liquid. The liquid is then allowed to enter the ground
then it is unlikely to fail its consents as via a drainage field. They should not receive surfacewater or
the discharge will be sampled periodically rainwater runoff. These are not the same as soakaways which
may be used for clean rainfall runoff. Septic tanks need to be
so that any issues are picked early and emptied occasionally, about once a year depending upon usage,
quickly addressed. If your system does to remove sludge but not as often as cesspools.
fail to meet the required discharge Cesspools/cesspits: A cesspool/cesspit is a single chamber
standard then you should act promptly. in the ground storing sewage and wastewater until full. Once
full, a contractor is employed to empty it. Cesspools must not
Contact a British Water Accredited Service discharge to the environment.
