03-09-15 Regular Meeting of La Porte City Council

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Revised 2014 (d) use of water to wash down buildings or structures for purposes other than immediate fire protection; (e) flushing gutters or permitting water to run or accumulate in any gutter or street; (f) use of water to fill, refill, or add to any indoor or outdoor swimming pools or Jacuzzi -type pools; (g) use of water in a fountain or pond for aesthetic or scenic purposes except where necessary to support aquatic life; (h) failure to repair a controllable leak(s) within a reasonable period after having been given notice directing the repair of such leak(s); and (i) use of water from hydrants for construction purposes or any other purposes other than fire fighting. Odd numbered address: street addresses, box numbers, or rural postal route numbers ending in 1, 3, 5, 7, or 9. D. SYSTEM CONSTRAINTS The La Porte Area Water Authority is composed of three (3) entities - the cities of La Porte, Morgan's Point, and Shoreacres. The Authority purchased production capacity from the City of Houston's Southeast Water Purification Plant. In addition, the Authority purchased pumping capacity, or peaking capacity, at 1.25 times the production capacity. Listed below is the production and pumping capacity for each entity, together with total capacity. CUSTOMER PRODUCTION PUMPING CAPACITY CAPACITY (MGD) (MGD) La Porte 6.925 8.65625 Morgan's Point 0.550 0.68750 Shoreacres 0.325 0.40625 TOTAL 7.800 9.75000 In addition, each entity has the ability to supply its entire water supply through groundwater production from wells. After 1990, the Harris -Galveston Coastal Subsidence District decreed that no more than ten per cent (10%) of each entity's yearly water production can be produced from groundwater. Although additional pumping capacity is planned for peak purposes, groundwater production will be utilized for peaking purposes whenever possible. Temporary reductions or disruptions in surface water supply can be offset by increased groundwater withdrawals. Careful monitoring and management of groundwater withdrawal is necessary to avoid exceeding the yearly ten per cent (10%) limit above. Long-term reductions or disruptions in surface water supply would require special permission from the Subsidence District to exceed allowable groundwater withdrawal. It is anticipated that conservation measures would be required by the District to allow increased groundwater withdrawal.