Pumping stations are shown as triangles on sewer plans and, as with sewers, different colours indicate their status. The colours are a follows:
- A black triangle indicates a public pumping station.
- Green indicates part of a section 104 agreement.
- Orange means the pumping station has recently transferred to become a public asset.
- A blue triangle indicates highway drainage.
- Purple indicates that the pumping station is private.
- A light grey triangle indicates an abandoned pumping station that is no longer used.
The black, orange and light grey pumping stations are Severn Trent Water’s responsibility. Green are the responsibility of the developer. Highway drains are maintained by the local authority.