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Clean Drought Contingency Plan- La Porte June 2011 Updatedoc (3).docx <br />CITY OF LA PORTE <br />DROUGHT CONTINGENCY PLAN <br />A. INTRODUCTION <br />Drought, or a number of other uncontrollable circumstances, can disrupt the normal <br />availability* of community or utility water supplies. Even though a city may have an adequate <br />water supply*, the supply* could become contaminated, or a disaster could destroy the supply*. <br />During drought periods, consumer demand is often significantly* higher than normal. Some <br />older systems, or systems serving rapidly* growing areas, may not have the capacity* to meet <br />higher than average demands without system failure or other unwanted consequences. <br />System treatment, storage, or distribution failures can also present a city* or utility* with an <br />emergency* demand management situation. <br />It is important to distinguish drought contingency* planning from water conservation planning. <br />While water conservation involves implementing permanent water use efficiency* or reuse <br />practices, drought contingency* plans establish temporaiv methods or techniques designed to <br />be used only* as long as an emergency* exists. <br />An effective drought contingency* plan will need to include the following six elements: <br />1. Trigger Conditions signaling the start of an emergency* period; <br />2. Drought contingency* measures; <br />3. Information and education; <br />4. Initiation procedures; <br />5. Termination notification actions; and <br />6. Means of implementation. <br />B. SYSTEM CONSTRAINTS <br />The La Porte Area Water Authority* is composed of three (3) entities - the cities of La Porte, <br />Morgan's Point, and Shoreacres. The Authority* purchased production capacity* from the City <br />of Houston's Southeast Water Purification Plant. In addition, the Authority* purchased <br />pumping capacity*, or peaking capacity*, at 1.25 times the production capacity*. Listed below is <br />the production and pumping capacity* for each entity*, together with total capacity*. <br />CUSTOMER <br />PRODUCTION <br />PUMPING <br />CAPACITY <br />CAPACITY <br />(MGD) <br />(MGD) <br />La Porte <br />6302 <br />7.879 <br />Morgan's Point <br />0.555 <br />0.69= <br />Shoreacres <br />0.343 <br />0.429 <br />TOTAL <br />7.20 <br />9.000 <br />' 2001 Capacity Figures <br />Page 1 of 5 <br />