|
|
|
bathing water description |
This is a small, sheltered, sandy bay, named after the River Saith, which cascades
as a waterfall over the limestone cliffs onto the north of the beach. Facing north
west, the bay is relatively small, at approximately 250 metres wide. The coastal waters
and coastal belt is designated as Cardigan Bay Special Area of Conservation, confirming
the high conservation status of the area. The water quality sample point is located
to the centre of the beach.
|
|
county name |
Ceredigion |
|
eso outfalls statement |
Tresaith is potentially impacted by one storm, emergency outfalls on the foreshore,
particularly during periods of heavy rainfall. This protects domestic properties from
being flooded by sewage, during heavy rainfall. However, sewer overflows operating
during and following heavy rain, can result in a fall in the quality of bathing water
at Tresaith.
In recent years, telemetry equipment has been installed in most of the overflows by
the Council and Dŵr Cymru Welsh Water. This technology has allowed the Council and
Dŵr Cymru to respond to warnings of blockages in the sewage system and reduced the
number of actual and potential overflows.
|
|
history statement |
Natural Resources Wales has developed a good working relationship with Dŵr Cymru Welsh
Water and liaises regularly to identify problems that could affect bathing water quality.
|
|
investigations statement |
Natural Resources Wales continues to work with Ceredigion County Council and Dŵr Cymru
Welsh Water to establish sources of pollution around the beach.
Inspections are carried out by Natural Resources Wales in partnership with the local
authority and the water company. These are carried out pre-season (before the 1st
of May) and mid-season if required (during the bathing water season).
|
|
local authority statement |
Natural Resources Wales and Ceredigion County Council have been working together to
improve the bathing water quality at Tresaith for a number of years.
|
|
macro algae statement |
This bathing water does not have a history of large amounts of seaweed (macroalgae). |
|
misconnections statement |
Wrongly connected waste water pipes can affect the water quality of rivers and the
sea. Natural Resources Wales has worked with Ceredigion County Council and Dŵr Cymru
Welsh Water to trace the sources of pollution from household toilet and utility misconnections
to the private and public surface water systems, discharging into Tresaith bathing
waters.
Modern sewerage systems have two separate systems, one takes foul sewage to sewage
treatment, the other takes rainwater runoff through surface water drains to rivers,
lakes and the sea. Misconnections occur when waste water pipes are plumbed into surface
water drains instead of the foul water sewerage system. This can give rise to pollution
when the waste water is discharged directly to the environment through the surface
water drain. For example, a washing machine or toilet may be incorrectly plumbed so
that it discharges to the surface drain rather than the foul sewage drain.
|
|
phytoplankton statement |
Phytoplankton (microscopic algae) naturally increase in number at certain times of
the year. This process is known as a phytoplankton bloom. These algal blooms can occur
at any beach during the bathing season and are usually noticeable by a surface scum.
This beach does not have a history of such blooms.
|
|
source |
|
stw outfalls statement |
Sewage from Tresaith is pumped to the Sewage Treatment Works at Aberporth. This discharges
directly offshore at Aberporth, to the south of Tresaith. Disinfection through membrane
filtration treatment of the effluent protects bathing water quality.
|
|
version string |
1 |
|
zoi description |
The natural drainage (hydrological) catchment surrounding the bathing water is predominantly
agricultural. The River Saith, along with two other streams, located a mile either
side of Tresaith, are likely sources of diffuse run off, as they drain an agricultural
catchment several miles wide.
|
|
bathing water |
ukl1402-38670 |
|
local authority |
Sir Ceredigion - Ceredigion |
|
standard language collection |
2014-38670:1
|
|
|
algae general statement |
Seaweed (macroalgae) and phytoplankton (microscopic algae) are a natural part of the
marine and freshwater environment. Below we note whether these have been recorded
in quantities sufficient to be a nuisance.
|
|
eso outfalls general statement |
The majority of sewers in England and Wales are “combined sewers” and carry both sewage
and surface water from roofs and drains. A storm overflow operates during heavy rainfall
when the sewerage system becomes overwhelmed by the amount of surface water. The overflow
prevents sewage from backing up pipes and flooding properties and gardens. An emergency
overflow will only operate infrequently, for example due to pump failure or blockage
in the sewerage system.
|
|
local authority general statement |
Heavy rain falling on pavements and roads often flows into surface water drains or
highway drains, ending up in local rivers and, ultimately, the sea. The quality of
bathing water may be adversely affected as a result of such events.
|
|
pollution management general statement |
It is the Environment Agency and Natural Resources Wales role to drive improvement
of water quality at bathing waters that are at risk of failing European standards.
It is natural for water to run off the land to the sea. Water quality at a bathing
water is dependent upon the type and area of land (the catchment) draining to the
water and the activities undertaken in that catchment.
|
|
stw outfalls general statement |
Discharges from sewage treatment works have improved substantially in England and
Wales since the 1980s.
|
|
|
web res image |
ukl1402-38670_1-webres.jpg |
|