The investigation into the wastewater spill that filled Lake Taupō with sewerage has concluded with no plans to prosecute.
A five-month investigation took place since the incident in July, with the Waikato Regional Council deciding it would not initiate a prosecution.
About 800,000 litres of wastewater, including raw sewage, was discharged directly into the lake on July 2 and 3.
A burst underground water main caused a footpath to collapse on to a sewerage pipe, resulting in it breaking and discharging wastewater to the lake.
![The site of the water main break and wastewater spill on the Taupō lakefront. Photo / File](https://www.nzherald.co.nz/resizer/v2/OFYT2E6SPXKTUWCXJ72GDFT2RQ.jpg?auth=70df201ef6a6eeae851744b0180c6561dcfd4bf810d9249a9b90a1450b3fe4fa&width=16&height=11&quality=70&smart=true)