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i <br /> E. SYSTEM AUDIT/PROBLEMS <br /> 1. System Audit: <br /> a. Average,seasonal,peak use patterns. Figures 1 through 4 best illustrates <br /> average,seasonal,and peak use patterns. Figures 1 through 3 are for individual <br /> entities, with Figure 4 representing the total Authority. Historical use data___'_= Deleted:These figures <br /> indicates that the La Porte Area Water Authority follows most entities in having_______ Deleted:cities <br /> higher average water use in the summer m ,the from lawn watering. The peak <br /> to average use ratio(average daily summ l0'1s'e divided by average annual daily <br /> rrrr/r� <br /> use) is 1. for the Authority_ This 1at1o� relatively_low because-of the very_ _ Deleted:32 <br /> humid climate and high average rein a I; erarea receives. <br /> r� <br /> b. Unaccounted water volumes al0jiike y causes(Figures 1 through 4 illustrates the <br /> relationship between water diiion and sales%f,M.each individual entity and the <br /> Authority as a whole. ThefdiFerence between production and sales can typically <br /> be attributed to all or some o.,the following: <br /> 1. Flushing of war&nmains <br /> 2. f fie fighting ✓ elf <br /> 3. gaccurate metering; <br /> 4. <br /> 5. Ura,authopie�ryuater usew� <br /> 6. Un }teredfwafAr usfr Deleted:sales <br /> C. egt�ap,: treatment, torage;:'ands n ution system. <br /> . -, r <br /> or . u <br /> Mx <br /> '�'r}he cities ofy�a Porte, Morga 5r Point, and�horeacres presently obtain 90/0 of <br /> thele+water supply from sVrr ace water supplied by the La Porte Area Water <br /> ARoji . he%(surface watrer'is purchased by the Authority from the City of <br /> rl ,r fbl,e�✓'4 rrlr 0 <br /> i' Houston`s out"a st;:Vll�ter Puf�firation Plant. The remaining 10%of their water <br /> fr%lf irrf,Z) rrrf. <br /> eeds arefs�pplied fro�ig�oundy✓ater wells. The water is tested on a regular <br /> f <br /> rp)rffrY.rr, fi r.. . <br /> f ba sjin acegfdance with aI!L'�tate and federal regulations. The Cities of La Porte, <br /> r� rirrr1r <br /> M0rg,a fs Poin�and Shore acres currently have adequate storage facilities <br /> /r r requir,to e ',(he state's "Minimum Water Quantity Requirements for Public <br /> Water <br /> d Limit of ex <br /> isti g supply/potential new sources. <br /> 'rl Js apparef from the systems audit that all three(3)entities are very capable of <br /> rrlr. <br /> promdu�gl(wffrr'ater to their customers from groundwater sources. In addition, the . <br /> disrnz0�tjon and transmission systems are adequate to supply their needs for <br /> severaffyears. <br /> With the conversion to surface water, the adequacy of groundwater supplies to <br /> meet peak load demands in any drought contingencies that might occur are <br /> apparent. However, due to the constraints imposed by the Harris-Galveston <br /> Subsidence District on groundwater withdrawal,these sources will only be used <br /> to supply peak demand in possible drought contingencies. <br /> 4 <br />