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rTAPRECIPITATION AND Eto DATA FOR STOCKTON, CA <br /> 2 Years in 10 will have more Eto Average Potential Deep <br /> precipitation than: (in/mo) Percolation (in/mo) <br /> (in/mo) (in/day) <br /> January 4.42 1.24 0.04 3.18 <br /> February 3.20 1.96 0.07 1.24 <br /> March 3.43 3.41 0.11 -- <br /> April 1.92 5.10 0.17 <br /> May 0.50 6.82 0.22 <br /> June 0.25 7.80 0.26 <br /> July 0.23 8.06 0.26 <br /> August 0.40 7.13 0.23 <br /> September 0.76 5.40 0.18 <br /> October 1.39 3.72 0.12 -- <br /> November 3.31 1.80 0.06 1.51 <br /> December 3.67 0.93 0.03 2.74 <br /> TOTALS (in.) 18.92 53.4 ------ 8.67 <br /> This char[ illustrates that evapotranspiration far exceeds precipitation, even when using higher rainfall <br /> data that exceeds normal rainfall data by 56% (8.30 in. vs. 18.92 in.) Only in the months of January, <br /> February, November and December would deep percolation potentially occur, although deep <br /> percolation obviously occurred during this past March and April. This data illustrates a relatively <br /> high potential for there to be significant evapotranspiration (or bare soil surface evaporation) from the <br /> filter bed disposal area. <br /> III. NITRATE LOADING STUDY FINDINGS <br /> The Nitrate Loading Study findings will be discussed in the following sequential categories of: <br /> 1.) Projected wastewater flow volumes from the Office Building and Office Trailers <br /> 2.) Anticipated wastewater characteristics <br /> 3.) Nitrate loading from the project <br /> 4.)Decentralized wastewater management system for the Office Building <br /> 5.) Decentralized wastewater management system for the Office Trailers <br /> 6.) The Conclusions and Recommendations Section. <br /> 12 <br /> Chesney Consulting <br />