Opportunities for Opportunities for Water Efficiency Water Efficiency State Agencies & Universities State Agencies & Universities Sharron Rogers/Rusty Harris-Bishop/Terry Sharron Rogers/Rusty Harris-Bishop/Terry Albrecht Albrecht Government Agency Environmental Sustainability Government Agency Environmental Sustainability Coordinator Coordinator NC Div. Pollution Prevention and Environmental NC Div. Pollution Prevention and Environmental Assistance Assistance Utility Saving Initiative – USI Utility Saving Initiative – USI & & Water System Protection EO Water System Protection EO
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Opportunities for Water Efficiency State Agencies & Universities Sharron Rogers/Rusty Harris-Bishop/Terry Albrecht Government Agency Environmental Sustainability.
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Opportunities for Opportunities for Water EfficiencyWater Efficiency
State Agencies & UniversitiesState Agencies & Universities
Sharron Rogers/Rusty Harris-Bishop/Terry AlbrechtSharron Rogers/Rusty Harris-Bishop/Terry Albrecht
Government Agency Environmental Sustainability Government Agency Environmental Sustainability CoordinatorCoordinatorNC Div. Pollution Prevention and Environmental AssistanceNC Div. Pollution Prevention and Environmental Assistance
&& Water System Protection EO Water System Protection EO
NC Drought Status
NC Water Use NC Water Use RestrictionsRestrictions
Emergency RestrictionsEmergency Restrictions– 6 Water Systems6 Water Systems
Voluntary RestrictionsVoluntary Restrictions– 122 Water Systems122 Water Systems
September 9, 2002
Mandatory RestrictionsMandatory Restrictions
–76 Water Systems76 Water Systems
Executive Order #26Executive Order #26 Water System ProtectionWater System Protection
All state government agencies discontinue “non-essential” water use until further notice
All such agencies immediately develop and begin implementing long term, financially feasible conservation measures
Signed August 15, 2002Signed August 15, 2002
Definition of Definition of “Non-Essential” Water Use“Non-Essential” Water Use
Do not have any health or safety Do not have any health or safety impacts; impacts;
Are not required by regulation; Are not required by regulation; and and
Are not needed to meet the core Are not needed to meet the core functions of the agencyfunctions of the agency
Examples of Examples of ‘non-essential’ water use‘non-essential’ water use
Irrigation of lawns and Irrigation of lawns and ornamental plants; ornamental plants;
Washing cars, off-road Washing cars, off-road equipment, and other equipment, and other vehicles unless necessary vehicles unless necessary for operator safety; for operator safety;
Washing of all building Washing of all building exteriors, outside structures, exteriors, outside structures, streets, sidewalks and streets, sidewalks and parking lots; parking lots;
Operation of all inside and Operation of all inside and outside decorative pools and outside decorative pools and fountains; fountains;
Routine watering of athletic Routine watering of athletic fields; fields;
Recreational water uses Recreational water uses such as swimming pools; such as swimming pools;
Dust suppression with water Dust suppression with water sources other than treated sources other than treated wastewater; wastewater;
Operating hoses without Operating hoses without hand-operated nozzles; hand-operated nozzles;
Using hoses for clean up (i.e. Using hoses for clean up (i.e. do not use hose as a broom), do not use hose as a broom), unless required by health unless required by health code; code;
Washing partial loads in Washing partial loads in washing machines and washing machines and dishwashers; dishwashers;
Non-essential ice machines; Non-essential ice machines; Don’t supply tap water at Don’t supply tap water at
Leaks, drips and other water Leaks, drips and other water losseslosses. .
Low & No-Cost Low & No-Cost MeasuresMeasures Install aerators on all Install aerators on all
faucets faucets Put water-filled plastic Put water-filled plastic
bottles (milk jugs) or bottles (milk jugs) or dams in toilet tanksdams in toilet tanks
Install low flow Install low flow showerheads and other showerheads and other plumbing equipment plumbing equipment
Reduce water pressure Reduce water pressure Reduce water flow rates Reduce water flow rates
at lavatory faucets and at lavatory faucets and at tank-less toilet at tank-less toilet valves valves
Turn off water-using Turn off water-using equipment when not in equipment when not in useuse
Reduce or eliminate Reduce or eliminate once-through cooling once-through cooling water water
Turn off air handling and Turn off air handling and cooling towers at nights cooling towers at nights and on weekendsand on weekends
Attach shut-off nozzles Attach shut-off nozzles to all hand held hosesto all hand held hoses
Sweep instead of using Sweep instead of using a hose to clean and a hose to clean and implement other dry implement other dry cleanup techniques cleanup techniques
Minimize garbage Minimize garbage disposal use disposal use
Long Term Long Term Conservation/Efficiency Conservation/Efficiency Programs:Programs:
Delegation of authority Delegation of authority Inventory water uses Inventory water uses Identification and tracking of daily water use Identification and tracking of daily water use
– Establishment of a Baseline – Establishment of a Baseline Detection & repair of leaks Detection & repair of leaks Installation of water conservation Installation of water conservation
devices/equipment/fixtures as feasible devices/equipment/fixtures as feasible Employee education and awareness program Employee education and awareness program Form a rapid response system for fixing leaks Form a rapid response system for fixing leaks
and replacing malfunction equipment and replacing malfunction equipment
State Agencies ActionsState Agencies Actions
Exec Order 26 Water System Exec Order 26 Water System Protection ParticipationProtection Participation
Voluntary Compliance with Local Voluntary Compliance with Local Government RestrictionsGovernment Restrictions
Establish Baseline Water UseEstablish Baseline Water Use
Prepare for USI participationPrepare for USI participation
DID YOU KNOW DID YOU KNOW N C State Government. . .N C State Government. . .
Owns <12,500 buildingsOwns <12,500 buildings Manages <82 million sq ft of Manages <82 million sq ft of
buildingsbuildings 35 facilities with NPDES waste water 35 facilities with NPDES waste water
discharge permitsdischarge permits 4.2 MGPD of waste water permitted4.2 MGPD of waste water permitted 149 hazardous waste generators149 hazardous waste generators 516K acres land managed516K acres land managed > 140 m miles per yr traveled> 140 m miles per yr traveled
NC Project GreenNC Project Green
North Carolina State Government’s Contribution North Carolina State Government’s Contribution to Environmental Sustainabilityto Environmental Sustainability
www.SustainableNC.org www.SustainableNC.org Executive Order #156Executive Order #156
NC Government NC Government “Business” Activities“Business” Activities
BehavioralBehavioral– educate staffeducate staff– report leaksreport leaks– run racks only when fullrun racks only when full
MechanicalMechanical– recycle final rinse waterrecycle final rinse water– use “electric eye” sensors on conveyor use “electric eye” sensors on conveyor
systemssystems– use properly sized dishwashersuse properly sized dishwashers
Dishwasher Water UseDishwasher Water Use
Typical Water Use of Commercial Dishwashers
0 0.5 1 1.5 2 2.5 3
ucounter
singledoor
clineconv
flightconv
Typ
e
gals/rack
max.
min.
Kitchen & Food PrepKitchen & Food PrepOther Water Use OptionOther Water Use Option
Pre-rinse SprayersPre-rinse Sprayers– 1.6 to 2.65 gpm models available1.6 to 2.65 gpm models available
Ice-making MachinesIce-making Machines– Air Cooled (<50 gal/100 lbs. ice) Air Cooled (<50 gal/100 lbs. ice)
vs. Water Cooled (120-300 gal/100 vs. Water Cooled (120-300 gal/100 lbs. ice)lbs. ice)
Garbage Disposal UseGarbage Disposal Use
Cleaning and RinsingCleaning and RinsingEfficient Washing/Sanitation Efficient Washing/Sanitation TechniquesTechniques
Conduct “Dry Cleanup” First Conduct “Dry Cleanup” First – Use Use squeegeessqueegees, brooms, shovels, vacuums; , brooms, shovels, vacuums;
collect residuals for reuse/recycle collect residuals for reuse/recycle Low Volume - High Pressure NozzlesLow Volume - High Pressure Nozzles Air-Assisted NozzlesAir-Assisted Nozzles Flow RestrictorsFlow Restrictors Automatic Shut-offs, TimersAutomatic Shut-offs, Timers Proper Equipment, Technique, & TrainingProper Equipment, Technique, & Training
– (e.g. do not use a hose as a broom)(e.g. do not use a hose as a broom)
Other Process Other Process Water Reuse MeasuresWater Reuse Measures
Reuse of once through, non-contact Reuse of once through, non-contact cooling water for next process bath or for cooling water for next process bath or for pre-heatpre-heat
Reuse of oil/water separator filtrate for Reuse of oil/water separator filtrate for mop water or paint booth water curtainsmop water or paint booth water curtains
Use of reverse osmosis reject water for Use of reverse osmosis reject water for cooling tower make-upcooling tower make-up
Condensate recovery & reuseCondensate recovery & reuse Other ideas?Other ideas?
LandscapingLandscaping Water Efficiency Water Efficiency
What can utility staff What can utility staff do?do? Promote AwarenessPromote Awareness
Media CoverageMedia CoverageHighlighting the ChampionsHighlighting the ChampionsBilling insertsBilling insertsWebsiteWebsite
CommunicationsCommunications– Business RoundtablesBusiness Roundtables– Council Sessions Council Sessions – ““Tell us what you are Tell us what you are
doing?” on websitedoing?” on website
What can outsiders What can outsiders do?do?
On-site AssistanceOn-site Assistance
– In-houseIn-houseUsing Self Assessment Checklist, Using Self Assessment Checklist,
Data surveys, benchmarking, Data surveys, benchmarking, etcetc
– Division of Pollution Division of Pollution Prevention & WRPPrevention & WRP
Vendors & Vendors & SuppliersSuppliers
Things to RememberThings to Remember
Industry regulatory requirements: Industry regulatory requirements: USDA, FDA, Local health USDA, FDA, Local health requirementsrequirements
Local building codes, fire safetyLocal building codes, fire safety EPA/State – water reuse rules, EPA/State – water reuse rules,
impacts to dischargeimpacts to discharge Customer / Product quality Customer / Product quality
Things to AskThings to AskYourselfYourself Do we have continuing senior Do we have continuing senior
management commitment?management commitment? Do we have the information we need?Do we have the information we need? Have we established a team?Have we established a team? Do we have an Action Plan & schedule?Do we have an Action Plan & schedule? How are we promoting awareness?How are we promoting awareness? How are we encouraging How are we encouraging
employee/student participation?employee/student participation? Are contingency plans in the works?Are contingency plans in the works?
State Agency Mandates:State Agency Mandates: www.SustainableNC.orgwww.SustainableNC.org
Checklists • Office Buildings • Dormitory/Group Living Operations • Food Service Operations • Hospitals/Medical Facilities • Industrial Laundering Operations • Landscaping/Irrigation • Schools • & bunch of Factsheets
Posters • Water Conservation Poster• Water Conservation Workplace Tips• Poster Water Conservation Message• Drip Reporting
Checklists and Posters
www.SustainableNC.org/water.htm
What Contingency Measures What Contingency Measures are we seeing in NC?are we seeing in NC?1. Shutting down of all restrooms, food 1. Shutting down of all restrooms, food
preparation areas and water fountains.preparation areas and water fountains.
2. Putting portable restroom facilities in use.2. Putting portable restroom facilities in use.
3. Making bottled water available to employees.3. Making bottled water available to employees.
4. Drilling wells to supply water to 4. Drilling wells to supply water to manufacturing processes.manufacturing processes.
5. Bringing in water by tanker truck from 5. Bringing in water by tanker truck from geographical areas with more abundant water geographical areas with more abundant water supplies.supplies.
6. Treating and recycling waste water 6. Treating and recycling waste water generated by the manufacturing process back generated by the manufacturing process back into the manufacturing process and/or cooling into the manufacturing process and/or cooling towers.towers.