The titles of the district and board did not change however, the local board assuming extra duties as a sanitary authority.

He later served on its board of governors and also on the local sanitary authority.

In boroughs, the sanitary authority was merged into the corporation.

The existing corporation or commissioners became the urban sanitary authority.

The existing local board or poor law guardians became the sanitary authority for their area.

The existing local authority became an urban sanitary authority, without change of title.

The poor law guardians for the parishes in the district became the rural sanitary authority.

These all became urban sanitary authorities in 1875.

In response, the Public Health Act 1872 set up new local sanitary authorities to police legislation.

All town commissioners that were sanitary authorities became urban district councils.