WINONA, Minn. – Property owners in Winona County with septic systems going bad may apply for repair funds from a new federal grant. Lew Overhaug, of the county Environment Services agency, said property owners may apply for as much as $15,000 for repairs or 75% of the cost of a new system. Application form. The funds are from Biden infrastructure update money. There are 5,000 systems in the county, Overhaug said. All eventually begin failing and losing wastewater that contains pathogens, nitrogen or phosphorus into well water.