City of Superior

Superior, IA

Key Features:

• Individual septic tank with effluent pumps at each home
• Discharge effluent to City of Estherville 6 miles away
• STEP system design to eliminate need for main lift station

Key Experience:

• Negotiated sewer rates as a bulk customer, with Superior’s rates tied to Estherville residential rates
• Continued operational support to assist new city staff after project completion

Low Pressure Collection System

Analyzed collection system alternatives and treatment alternatives. Designed a septic tank effluent pump (STEP) system for Superior’s residents. The STEP system reduced street surface disturbance and was lower cost than a gravity sewer system. The STEP system also eliminated need for a main lift station and backup generation.