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M <br /> U1 <br /> N <br /> 9T <br /> N <br /> J Jit.' C9 <br /> Surface Water <br /> Freeboard - 1 ft. minimum <br /> Diversion Terrace <br /> u1 .,.. ._ ®. v.. ..� .._.. ...... ,_. _. ... ._ � r .._ ._ �. _ r _ ... .__ ... ._ ._ — ------• Emergency <br /> w <br /> ;, Spillway Crest <br /> Around Outside 25-1EAR, 24-HCUR STORM STORAGE � <br /> Perimeter of Lagoon ..... .® ®. ...r _, � ...._ � r .r. ...... .�. _. ... _. ..... .� _. ._ _. �.�----0. Start <br /> Irrigation <br /> Lo <br /> c29i <br /> NOR14AL WASTEWATER STORAG- <br /> Stop LO <br /> Irrigation <br /> 1 <br /> DESIGN TREATMENT VOLUME <br /> rt[{[oic9. <br /> L 1.5 L 1 MAy JJ i 9 S <br /> ?.5 Sandy soils <br /> ` SLUDGE ACCUMULATION � <br /> - c <br /> FIGURE 1. ANAEROBIC LAGOON DES I GH AND MANAGEMENT <br /> Notes: 1) Lagoon Length to Width Ratio should not exceed 4:1. <br /> 2) Normal storage liquid depths should be at least 6 feet. <br /> 3)' Sludge accumulation capacities should be designed for a lagoon life <br /> expectancy of 15-20 years. <br /> 4) Normal wastewater storage capacities should be figured for at least a <br /> 941-day storage. <br /> M <br /> m <br /> co <br />