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Wastewater Projects

Wastewater Systems Built & Operated by ILRW:

City of Greenville City of Gruver

City of Ayrshire

City of Truesdale City of Dickens Dolliver, IA
City of Archer City of Webb Fish Lake, MN

 

Potential Future Wastewater Systems To Be Built & Operated by ILRW:

Melvin, IA Lu Verne, IA Loon Lake, MN
     
 

 

 


CITY OF GRUVER

Gruver 2-cell lagoon

Gruver service line

In 2001, ILRW was contacted by the city of Gruver to help find a solution to their sewer system problems. This was ILRW's first wastewater project.

ILRW partnered with McClure Engineering from Fort Dodge, Iowa to help find a creative solution that was both technically and financially feasible--meaning ILRW could afford to build and maintain the system and the residents could afford the monthly bill.

A conventional gravity collection system that flows to a two-cell lagoon was completed in 2004. The mainlines were installed by means of directional drilling on-grade.

The pictures to the left show the lagoon site (top) and installation of a service line (bottom).

 

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CITY OF GREENVILLE

Greenville - planting

Greenville - plants 1 year later

The City of Greenville's wastewater system was installed in 2005. Greenville's sewers system was out of code and needed to be compliant with Iowa Department of Natural Resource's standards. ILRW partnered with North American Wetland Engineering (NAWE) from Minnesota to design this system.

Initial discussions between Greenville's city council and ILRW began in 2002. Several options were weighed, but the most feasible solution was to install a small diameter gravity collection system to a subsurface horizontal flow wetland with continuous discharge to Willow Creek subsurface.

Greenville made history in Iowa as this was the first horizontal flow wetland in the state...AND it sits within city limits, just yards away from the city hall and residents.

  • 95% of the mainlines were directionally bored
  • The longest bore in town was 960 feet long

 

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CITY OF AYRSHIRE

Ayrshire 2-cell lagoon

Ayrshire Service line

ILRW's third wastewater project began with the City of Ayrshire contacting ILRW in 2006.

Ayrshire's sewer system is a low pressure collection system. Individual grinder pump stations at each home pump the wastewater to a two-cell lagoon.

The pictures to the left show one of the lagoons at the lagoon site (top) and installation of a service line and grinder pump that was put in at each residence (bottom).

 

 

 

 

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CITY OF TRUESDALE

Truesdale Farm Pond

Truesdale Treatment System

The city of Truesdale also provided another "first" - at least for ILRW.

The collection system installed was a small diameter gravity collection system (like Greenville's), but ILRW tried a new tactic with the treatment system - a recirculating media filter process that continuously discharges to a farm pond. What this means is the raw septic tank effluent makes mulitiple passes through textile fabric, which acts as a media for biological growth. Once the wastewater has reached an acceptable level of treatment, it is then discharged to the farm pond.

Truesdale's wastewater system was completed in 2008.

The pictures to the left show the farm pond (top) and the treatment site (bottom).

 

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CITY OF DICKENS

Dickens WW Site

Dickens WW Site

In 2008, ILRW completed the Dickens wastewater system.

This system was setup like Ayrshire's wastewater system. There is a low pressure collection system with individual grinder pump stations at each home that pumps the wastewater to a two-cell lagoon.

The pictures on the left show the lagoon being constructed.

 

 

 

 

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CITY OF DOLLIVER

Dolliver WW Treatment Site

Dollver WW Treatment Site

In October 2009, Dolliver's Wastewater System was completed.

This system closely resembles Truesdale's system in all parts except for the discharge system.

The collection system installed is a small diameter gravity collection system with the treatment system using a recirculating media filter process that continuously discharges to a river. What this means is the raw septic tank effluent makes mulitiple passes through textile fabric, which acts as a media for biological growth. Once the wastewater has reached an acceptable level of treatment, it is then discharged to the Des Moines river.

 

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