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Danielle Brown <br /> From: Josh Hansen <josh@oregonsewer.com> <br /> Sent: Thursday,January 4, 2024 4:49 PM <br /> To: Danielle Brown <br /> Subject: 1195 Howell Prairie Site eval updates <br /> Attachments: 4700 Howell Prarie - Current Flow Data Nov-Dec.pdf <br /> Follow Up Flag: Follow up <br /> Flag Status: Flagged <br /> A WARNING:This email originated outside of Marion County. <br /> DO NOT CLICK links or attachments unless you trust the sender and know the content is safe. <br /> Hi Danny, <br /> Thanks for the phone call earlier. I did some digging and came up with some more data for you. I also learned something <br /> today, our water meter also keeps daily flow data for the last 60 days, so I have daily usage for the past 2 months. I went <br /> ahead and compiled it into a spreadsheet with attendance numbers.This is a good representation of flow data for <br /> average attendance and hopefully will help with sizing. I also was mistaken on the amount of proposed seating.The <br /> actual proposed seating amount should be 300 max(not 500). So, if you take the actual flow data from our highest flow <br /> day at 1182 gallons/492 in attendance=—2.4 gallon per day. If we take 2.4 gpd/person x 300 max seats=720 gpd (1,440 <br /> peak). Hope this helps and let me know once you have had a chance to review.Thanks <br /> 2004 1161144401.1. <br /> Oregon Sewer & Drain LLC <br /> 503.874.9414 Office <br /> 503.302.0833 Cell <br /> ccb#201683 deq#38968 <br /> www.oregonsewer.com <br />