About 220 properties in and near Haysville will be hooked up to city water because of contaminated groundwater in the area.
The contamination, which is composed of dry cleaning solvents tetrachloroethylene and trichloroethylene, started at the former American Cleaners dry cleaning site at 412 West Grand Avenue.
The Kansas Department of Health and Environment said Tuesday that only 174 agreements have been returned to the department.
The contamination is most strongly concentrated north of 79th Street.
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In some cases, private wells were found to have contamination above the level deemed acceptable for consumption by the Environmental Protection Agency.
KDHE has provided bottled water for homes with contaminated wells until they can be connected up to city water.
KDHE will cover the nearly $5 million cost of extending water lines to affected residents.
Katherine Burgess: 316-268-6400, @KathsBurgess