2024 Bathing Water Profile for Lee-on-Solent
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The bathing water is a gently shelving resort beach adjacent to the shopping centre of Lee-on-the-Solent. More than 1 km of beach faces south-west, across the end of Southampton Water and the Solent and is sheltered from the wind by the Isle of Wight. The beach is predominantly shingle with some sand intermixed. A promenade sits above the beach, behind which is a grassed area with an urban backdrop.
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Gosport
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Hampshire
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There is a discharge 1.5km to the north (Salterns Road, Stubbington storm overflow) and two discharges 1km to the south (Lakeside storm overflow and Queens Road storm overflow) that occur when heavy rainfall overwhelms the sewerage system but are designed not to affect bathing water compliance.
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The misconnection of domestic foul water to surface water drainage can affect the water quality of rivers and the sea. Sources of contamination into the local surface water drainage have been investigated and misconnections rectified.
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For the four year (2020-2023) assessment period where data is available, seaweed (macroalgae) was not assessed as being sufficient to be objectionable, but was observed as being present on 61% of visits. The shore can become covered with seaweed, depending on tides and the weather. Groynes, rocks and other fixed objects may have a covering of seaweed which can be slippery.
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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.
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For the four year (2020-2023) assessment period where data is available, phytoplankton (microscopic algae) was not assessed as being sufficient to be objectionable, but was observed as being present on 14% of visits. Microscopic algae (phytoplankton) increase in number at certain times of the year. This process is known as a phytoplankton bloom. Blooms of phytoplankton can result in the water appearing discoloured or a foam forming on the water. The risks to human health from contact, ingestion or inhalation with marine algae that currently occur in UK coastal waters are considered to be low. However, some individuals may be more sensitive and display some reactions. A common marine algae found in UK coastal waters is Phaeocystis, which is often mistaken for sewage as it forms foam and a brown scum, but it is non-toxic.
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There are no active pollution risk forecasts made at this bathing water. However any bathing water has the potential to be affected by a pollution incident and if this occurs a pollution risk warning with associated advice against bathing will be issued on this website.
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2024 Bathing Water Profile for Lee-on-Solent
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2024-09-30
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2024-05-01
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There is a treated sewage treatment works discharge 3km from the shore of the beach which is designed to protect bathing water quality. This discharge was upgraded to receive ultraviolet disinfection to protect shellfish beds in 2013, which provides further protection to the bathing water.
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Environment Agency samplers make observations of litter present on the beach at every visit, this includes assessments of sewage debris, litter and tar. At Lee-on-Solent for the four year (2020-2023) assessment period where data is available, sewage debris was not noted at this site. Litter was assessed as being sufficient to be objectionable for 2% of visits, with 79% of visits noting the presence of litter. Tarry residue was not noted at this site.
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The bathing water is a resort beach which is situated in a low lying peninsula area. The natural drainage (hydrological) catchment surrounding the bathing water is approximately 140 hectares. There are no streams within the beach area but the River Meon discharges approximately 3km to the north-west of the bathing water and the River Alver 3km to the south-east. The rivers Test and Itchen enter the sea via Southampton Water. The surrounding peninsula area is predominantly urban with some areas of managed grasslands.
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lee on solent
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Lee-on-Solent
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Sampling point at Lee-on-Solent
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456172
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50.8009570638879
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-1.204262010643014
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100458
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Sampling point at Lee-on-Solent
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p152 dT23 h59 m59 s
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2024 05 01 t00:00:00
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2024-05-01T00:00:00
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2024 09 30 t23:59:59
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2024-09-30T23:59:59
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2024 16800:1
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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.
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The majority of sewers in England 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.
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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.
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It is the Environment Agency role to drive improvement of water quality at bathing waters that are at risk of failing higher 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.
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Discharges from sewage treatment works have improved substantially in England since the 1980s.
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