New Ulm Eliminates Illegal Stormwater Flow

Minnesota city tackles inflow with an innovative sump pump inspection project.

New Ulm Eliminates Illegal Stormwater Flow

New Ulm summer workers Elizabeth Miller and George Smith inspect a home for signs of an illegal sump pump hookup.

Illegal sump pump connections in New Ulm, Minnesota, are a thing of the past. 

For the past three summers, the city took on an ambitious project to inspect every residence in the city for illegal connections. Although New Ulm has an ordinance against illegal sump pump hookups to the wastewater system, enforcing the rule has been a big challenge. 

Dan O’Connor, the city’s wastewater treatment supervisor, solved that challenge by hiring temporary summer workers to go out...

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