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the soil properties in terms of how hydrophobic it was. Generally greening of the grass starts to occur within a week of resuming irrigation. Member Hammer asked if any of the varieties of grass are tested for foot traffic tolerance. Professor Sandor indicated the U of M does and has atraffic simulator. Fine Fescue is not high traffic tolerant, so mixing varieties work best. Mr. Culver wondered what the disadvantage is to using Fescue's in a very sunny area. Professor Sandor explained there is no disadvantage. Fescue's may need more water if in the sun then the shade. Member Hammer asked which varieties are more resilient to weeds and clover. Professor Sandor explained a lot of the weed issues arise when there are bare spots in the soil. Fescue is a very dense cover and does shade out some weeds. Some also have underground toxin response to reduce crabgrass. There is some research being done on this. Professor Sandor continued his presentation on Turfgrass Water Requirements, Fertility, Cultivation and Irrigation Programming. Chair Cihacek thanked Professor Sandor for the presentation and thought the Commission learned a lot from it and will discuss it at a future meeting. 6. Items for Next Meeting — October 22, 2019 Discussion ensued regarding the October PWETC agenda: • Community Development/Building Department: Current Sustainability Requirements and Incentives • Utility Rate Discussion — Council approval in December • Met Council Representative Presentation — Tentative • Youth Commissioner Update Mr. Culver commented the November agenda has the 2020 Workplan review for the Public Works Department. Chair Cihacek noted a representative from the Met Council might come to the November meeting. He explained December the Commission does not meet and January he would like to have Sustainability topics. He would like to also have a debrief on Professor Sandor's presentation. 7. Adjourn Page 5 of 6