Portnashangan, Lough Owel

Portnashangan, Lough Owel is classified as achieving Excellent Water Quality in 2025 based on the assessment of bacteriological results for the period 2022 to 2025. Portnashangan, Lough Owel has achieved an Excellent Water Quality rating for the four consecutive years 2022 to 2025. Annual water quality ratings are generally calculated using monitoring results over a four-year period and are assessed against stringent bacterial limits to protect bather health.

Portnashangan is an inland water bathing area located on the shores of Lough Owel. It is a relatively shallow lake with a rocky, marl covered bottom. Lough Owel supports a diverse aquatic flora; such as pond weed and stoneworts. The bathing area is a popular bathing area. Jet ski bye laws prohibit use of jet skis on the lake. The bathing area extends over an area of approximately 50meters wide and 130 meters long (c.0.62Ha).