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Water Conservation. Presented at the Civil Engineer Corps Officer’s School Energy Manager’s Courses by: Daniel T. Magro Naval Facilities Engineering Service Center. CONGRATULATIONS. You’re the Base’s Water Conservation Officer !. WATER CONSERVATION. WHY? EPACT 1992 EO 12902
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Water Conservation Presented at the Civil Engineer Corps Officer’s School Energy Manager’s Courses by: Daniel T. Magro Naval Facilities Engineering Service Center
CONGRATULATIONS You’re the Base’s Water Conservation Officer!
WATER CONSERVATION WHY? EPACT 1992 EO 12902 Environmental Concerns Critical Nature of Water
STATISTICS COST OF WATER APPLICATIONS RESULTS ASSISTANCE AWARENESS WATER CONSERVATION
AVAILABILITY • 97% Salt Water. • 75% of remaining water is Glaciers. • Only 9% of rainfall available for beneficial use.
STATISTICS COST OF WATER APPLICATIONS RESULTS ASSISTANCE AWARENESS WATER CONSERVATION
How Much Does Your Water Cost? How Much Water Do You Use?
How Much Does Water Cost? • Free - “We Pump It Ourselves” • Unit Rate Shown on Utility Bill • No Standard Calculation or Formula For Determining Water Cost
How Much Does Water Cost? • Can’t just use an average value - $0.87 at Bangor, Washington - $4.22 at Navy Post Graduate School • Depends on many factors - How deep are your wells? - How pure is the water? - Surface or groundwater supply?
How Much Water Is Used? • Showers: 1 - 8 gpm avg 5 min pcd • Toilets: 1.6 - 6 gpfFlushed 7 times/day 4 - home 3 - work/school • Urinals: 0 - 2 gpf - Used 75% of time
STATISTICS COST OF WATER APPLICATIONS RESULTS ASSISTANCE AWARENESS WATER CONSERVATION
Sounds Great, But... • What kind of projects will save water at my Base? • Are there any projects that will really make an impact and have competitive SIR’s?
Once-Through Cooling • Significant water savings • Very common • Options: - Recycle - Reuse
Water Reclamation • Significant Water Savings Possible • Gaining Popularity • Examples - Florida - Texas - California • Highly Regulated • Need Positive Image
Equipment Sonic Surveying Instruments Correlation Equipment Ultrasonic Metering Equipment Experience Twelve years of metering experience Results Up to 20% of total production identified Typically will find 5 - 10 % NFESC Leak Detection Program
Greywater Systems Subsurface Irrigation Public Awareness Weather Forcasting Nozzles! Freeze Protection Improvements Others - Limited only by your creativeness Other Possibilities
STATISTICS COST OF WATER APPLICATIONS RESULTS ASSISTANCE AWARENESS WATER CONSERVATION
WATER AUDITS • 30% Reduction MCAS Iwakuni • 48% ReductionNAS PAX River • 56% ReductionNADEP Cherry Point • Your base?
WATER PROJECTS • 11 Projects on current Short List • 320 Million gallon savings • $810,000
STATISTICS COST OF WATER APPLICATIONS RESULTS ASSISTANCE AWARENESS WATER CONSERVATION
Water Conservation Support • Navy Water Conservation Guide • MIL-HDBK-1165 • EFD’s • NFESC • Software: - IWRAPS - WATERGY - ESC Spreadsheets
STATISTICS COST OF WATER APPLICATIONS RESULTS ASSISTANCE AWARENESS WATER CONSERVATION
Bathroom 5 min showers. (Saves 75 gal/wk/person) low-flow showerheads. (Saves 230 gal/wk) Shallow baths. (Saves 100 gal/wk/person) Water displacement toilet device. (Saves 50 gal/wk) Ultra-low flush toilets. (Saves 350 gal/wk) Start Saving Water Today
Bathroom (Con’t) Collect cold water while waiting for hot water. Use for watering plants. (Saves 50 gal/wk/person) Repair toilet leaks. Drop teaspoon of food coloring in tank. If color appears in bowl after 15 min, replace flapper valve. (Saves 100 gal/wk/toilet) Turn water off while brushing teeth. (Saves 35 gal/wk/person) Start Saving Water Today
Around The House Repair leaky faucets, fixtures and pipes around your home. (Saves 150 gal/leak) Wash only full laundry loads. (Saves 100 gal/wk) Collect washing machine rinse water in utility sink. Use it later to water indoor plants. (Saves 50 gal/wk) Start Saving Water Today
Outdoors Water lawns once a week, early in the morning or after the sun sets. (Saves 250 gal/wk) Adjust sprinklers- don’t spray sidewalks. Test sprinkler systems periodically for proper application. (Varies~ 250 gal/wk) Set lawn mower blades one notch higher. Use Bark, peat moss, or gravel to cover bare ground in gardens and around trees. (Saves 200 gal/wk) Start Saving Water Today
Outdoors (Con’t) Never hose driveways, patios, or sidewalks. Use broom. (Saves 100 gal/wk) Cover swimming pools. (Saves 250 gal/wk) Don’t leave hose run continuously when washing cars. (Saves 150 gal/wk) Start Saving Water Today
Kitchen Dishwasher full loads only. (Saves 30 gal/wk) Put food waste in trash/rinse plates w/short blasts of water. (Saves 60 gal/wk) Run garbage disposal on alternate days. (Saves 25 gal/wk) Start Saving Water Today
Water Resources Management Distribution of Water Fresh Water 3.0% Atmosphere 0.035% Rivers 0.030% Soil Moist 0.060% Lakes 0.300% Groundwater <750 m 11.0% Groundwater >750 m 11.0% Ocean Water 97.0% Icesheets and Glaciers 75.0%
Water Use-Where it goes... Total Water 100 Units Evaporation and Evapotranspiration 71 Units Streamflow 29 Units Not Withdraw from streamflow 20 Units Non-economic Evaporation 32 Units Evapotranspiration Crops, pasture, forest 39 Units Municipal/ Rural 1 Unit Irrigation 3 Units Industry 5 Units