Future sewage systems or sewage works where they would be a significant drinking water threat will not be permitted except for:
• Wastewater collection facilities and associated parts: Sanitary sewers
• Wastewater collection facilities and associated parts: Sewage pumping station or lift station wet well, a holding tank or a tunnel
For full circumstance details refer to the Tables of Drinking Water Threats within the Technical Rules, CWA.
Municipalities are encouraged to complete master environmental servicing plans (MESPs) to avoid locating threats associated with sewage infrastructure in vulnerable areas.