Talkin Tarn

Blue Green algae alert system in place

As part of the continuing improvement works at Talkin Tarn Country Park, a new algae alert system has been introduced for local visitors.

Although measures have been introduced to reduce the amount of blue green algae blooming within the tarn's waters, the new system will ensure that visitors are aware of the extent of the algae.

The Blue Green Algae System is similar to a traffic light warning and includes three simple levels:

• Green Little or no evidence of blue green algae;
• Amber Sporadic minor blue green algae blooms. Visitors are advised to keep themselves and their dogs out of the water;

• Red Major blue green algae present. Visitors are advised to keep themselves and their dogs out of the water.

An explanation of the system is on the main notice board near the entrance to the car park with a sign indicating the current status of the algae. These signs are also displayed on the new Information board next to the changing rooms, in the tearoom and on the notice board by the Tarn End Hotel entrance.

Fiona Shipp, Manager of Talkin Tarn Country Park said:

Although measures have been introduced to minimise the amount of blue green algae including a new aeration system and the planting of reeds which help naturally clean the tarn's sediment, there will always be a presence within the tarn. During the summer months the algae is likely to bloom and we want to make sure that visitors are aware of the water's safety.

The new traffic light system is easy to follow and will keep visitors informed at all times. Algae can come and go very quickly so we advise visitors to check the notice boards each time they come for the current status.

Carlisle City Council took over the management of the Country Park from Cumbria County Council in April last year. The environmental measures introduced as part of the £1million improvement works have resulted in the site being chosen as one of three in the Award for Sustainability in the 2007 Public Servants of the Year Awards.

As part of the improvement works, an aeration system is now in place to minimise the blue-green algae. The system is housed in the Alex boathouse lower floor and pumps compressed air to approximately 30 mushroom shaped outlets, via tubes on the tarn bed.

Work has been carried out to remove dead weed from the bays, which had been rotting down. This work requires large machinery and is carried out approximately three times per year depending on the volume of weed. The weed is left as long as possible as it contains important food sources for the wildfowl.