After the Second World War Lindau developed to the north and the entire infrastructure was improved.

In 1957 the village got a multipurpose hall, (reconditioned in 2006).
A new elementary school was established in 1965 which serves today as a Hauptschule and Realschule.
A new kindergarten was built in 1969.
Lindau got its own sports field, and a new fire station was built in 1971 as well as asphalted roads equipped with modern lighting.

In 1969 Lindau joined the Rhumetal district drainage project, completed in 1976.

On 1 January 1973 as part of administrative reform of Lower Saxony the district of Duderstadt was dissolved, from which Lindau was placed in Landkreis Northeim (district).
Lindau also lost the status of a municipality as together with six other villages the united municipality Gemeinde Katlenburg-Lindau was created.
Lindau had become part of a predominantly Lutheran area and it is reported that the bell was tolled at the (catholic) village church.

In 1983 Lindau joined a natural gas network while the Peter und Paul Kirche catholic church was renovated during a seven-year closure.

The mill stream created in 1872 by the company Greve for water power at the oast house was filled in 1984.

In 1985 Lindau opened a large sportsground with a grandstand for 250 spectators.

In 1987 the district of Northeim built a "center for innovation" next to the Max Planck Institute, to offer production facilities for high tech companies.

In the years 1946, 1947, 1981 and 1994 Lindau was afflicted by heavy flooding of the Rhume, which caused severe damage.
The flood dam built in 1995 has so far prevented similar events.

In 2014, the Max Planck Institute relocated to Göttingen.
After the Second World War Lindau developed to the north and the entire infrastructure was improved.
In 1957 the village got a multipurpose hall, (reconditioned in 2006). A new elementary school was established in 1965 which serves today as a Hauptschule and Realschule. A new kindergarten was built in 1969. Lindau got its own sports field, and a new fire station was built in 1971 as well as asphalted roads equipped with modern lighting.
In 1969 Lindau joined the Rhumetal district drainage project, completed in 1976.
On 1 January 1973 as part of administrative reform of Lower Saxony the district of Duderstadt was dissolved, from which Lindau was placed in Landkreis Northeim (district). Lindau also lost the status of a municipality as together with six other villages the united municipality Gemeinde Katlenburg-Lindau was created. Lindau had become part of a predominantly Lutheran area and it is reported that the bell was tolled at the (catholic) village church.
In 1983 Lindau joined a natural gas network while the Peter und Paul Kirche catholic church was renovated during a seven-year closure.
The mill stream created in 1872 by the company Greve for water power at the oast house was filled in 1984.
In 1985 Lindau opened a large sportsground with a grandstand for 250 spectators.
In 1987 the district of Northeim built a "center for innovation" next to the Max Planck Institute, to offer production facilities for high tech companies.
In the years 1946, 1947, 1981 and 1994 Lindau was afflicted by heavy flooding of the Rhume, which caused severe damage. The flood dam built in 1995 has so far prevented similar events.
In 2014, the Max Planck Institute relocated to Göttingen.
Lindau (Katlenburg-Lindau)