SUMMARY DATA

Startup Year	1991
Process	NF/RO
Capacity (MGD)	9.5; expandable to 12MGD
Recovery Rate (%)	83
Pretreatment	potassium permanganate, greensand pressure filters, sulfuric acid, antiscalant (polyacrylic acid), 5 micron polyprophylene cartridge filters
Post-Treatment	degasification, chlorination, fluoridation, pH adjustment, sodium hydroxide
Feed Water Composition	350/1600 mg/L
Product Water Composition	TDS = 268 mg/L; ph = 8.05
Concentrate Disposal	discharge to wastewater treatment plant to reclaim for irrigation

COSTS*

CAPITAL COST ($000)		O & M COSTS ($000)
Building		Electric Power	420
Plant Equipment		Steam
Wells or feed intake		O&M Personnel	392
Product tanks		Parts, Chemicals	414
Brine Disposal		Replacement Membranes	175
Other costs		Annual Debt Service	583
TOTAL	11,132	TOTAL	1984

*Source: Leitner & Associates, Survey of U. S. Costs and Water Rates for Desalination and Membrane Softening Plants, Water Treatment Technology Program Report No. 24, July 1997: U. S. Bureau of Reclamation Water Treatment Engineering & Research Group

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