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For example, the average number of children per American household is 1.8, and two parents= <br /> 3.8. Water usage is also inflated at 69 gpcpd since the use of low flow fixtures are now <br /> mandatory. And assuming that people live in their houses 24/7, 365 dpy is not even close to <br /> reality. Consequently, in my opinion, 75% of 69 gpcpd historical water use should now be used <br /> (52 gpcpd) along with 75%of yearly occupancy(274 dpy). Therefore,by using these data, we <br /> now find that the yearly volume of wastewater generated for this project is 14,477 cfpy, not <br /> 40,989 cfpy(an approximate 2.75x decrease). <br /> Respectfully submitted, 4 t o f e s sl o <br /> CHESNEY CONSULTING `��a°n D' Ches�d��p <br /> No.75479 co <br /> ti <br /> Civil <br /> ro <br /> Don Chesney, PE/CCA die°f Calif°5�1 <br /> Registered Civil Engine r#C75479 <br /> Certified Crop Advisor/CA Registered Nitrogen Management Specialist#341829 <br /> ATTACHMENTS <br /> Irrometer Soil Solution Access Tube Data Sheet <br /> San Joaquin County Department of Public Works Isohyetal Map of Mean Annual Precipitation. <br /> Page 3 of 3 <br /> Chesney Consulting <br />