Wastewater Effluent Reuse –Wastewater Effluent Reuse –Irrigation Relief in the High DesertIrrigation Relief in the High Desert

City of AlbuquerqueCity of Albuquerque, NM, NMbybyJames Chavez, PE, City of AlbuquerqueJames Chavez, PE, City of AlbuquerqueBob Paulette, PE, Wilson & CompanyBob Paulette, PE, Wilson & CompanyRon Mosher, PE, Molzen-Corbin & AssociatesRon Mosher, PE, Molzen-Corbin & Associates

presented to the presented to the Rocky Mountain Section WEA/AWWA Rocky Mountain Section WEA/AWWA Annual Conference, Casper WyomingAnnual Conference, Casper WyomingSeptember 17, 2003September 17, 2003

MOLZEN-CORBIN& Associates

PaperPaper Outline Outline

IntroductionDevelopment of Effluent Reuse “Users”New NMED Reuse Discharge GuidelinesEffluent Polishing TreatmentReuse PipelineConclusions

IntroductionIntroduction

Effluent Reuse Part of Overall Water Resources Management Plan

Two Non-Potable Reuse ProjectsNorth – Saves 2,296 Ac-ft/yrSouth – Saves 2,455 Ac-ft/yrIn range of water for 2,000 homesEA & FONSI Complete 2001

Effluent Reuse “Users”Effluent Reuse “Users”Existing Potable Water UsersTurf IrrigationCooling WaterFeasibility Analysis Identified PotentialDesign Analysis Further Defined

– Quantity, Quality– Connection Points, Pressure– Existing System Modifications Required

(Drinking Fountains, etc)

Effluent Reuse Water Users

User Type of Irrigation Irrigated DemandFacilities Use Acres Avg Ac-ft/yr Max MGD

PNM - Cobisa Power Plant Cooling Water NA 93 0.17Ethicon Commercial Turf Irrigation 3 10 0.02Regional Recreation Complex Various Turf Irrigation 51 202 0.38Barelas Railroad Park Museum Turf Irrigation 11.5 38 0.09San Jose Park Athletic Fields Turf Irrigation 3.5 12 0.03Chavez Park Park Turf Irrigation 7.3 24 0.06Spirit/Clark Carr Road Roadway Median Greenbelt Irrigation 42.5 142 0.34UNM South Golf Course Golf Course Turf Irrigation 240 800 1.93Sunport Boulevard/Park Roadway Median Greenbelt Irrigation 2.5 8 0.02Albuquerque International Airport Airport Turf Irrigation 28.2 94 0.23Kirtland Park Park Turf Irrigation 8.5 29 0.07Puerto del Sol Golf Course Golf Course Turf Irrigation 72 240 0.58University Stadium/Sports Complex Athletic Fields Turf Irrigation 33.7 112 0.27Roosevelt Park Area Park Turf Irrigation 27.3 92 0.22Bullhead Park Park & Atheltic Fields Turf Irrigation 41.9 141 0.34Phil Chacon Park Park Turf Irrigation 58 195 0.47Future Medians Allowance Medians/Parks Turf Irrigation 66.5 223 0.52

697 2455 5.74

NMED Reuse GuidelinesNMED Reuse Guidelines

Finalized August 7, 2003Classes of Reuse - IA, IB, 2, 3Sets Performance LimitationsMore Flexibility in Facilities

Reuse Quality GuidelinesReuse Quality GuidelinesClass Parameter 30-Day Avg Maximum

Class 1A BOD5 10 15

Turbidity 3 NTU 5 NTU

Fecal Coliform 5 per 100 ml 23 per 100 ml

Class 1B BOD5 30 mg/l 45 mg/l

TSS 30 mg/l 45 mg/l

Fecal Coliform 100 per 100 ml 200 per 100 ml

Class 2 BOD5 30 mg/l 45 mg/l

TSS 30 mg/l 45 mg/l

Fecal Coliform 200 per 100 ml 400 per 100 ml

Class 3 BOD5 30 mg/l 45 mg/l

TSS 75 mg/l 90 mg/l

Fecal Coliform 1,000 per 100 ml 5,000 per 100 ml

Effluent Polishing TreatmentEffluent Polishing Treatment

Low Lift Pumping from Chlorine Contact Chamber

FiltrationDisinfectionClearwellHigh Lift Pumping

Overall Reuse Polishing Overall Reuse Polishing LayoutLayout

Filtration Screening StudyFiltration Screening Study

Conventional Deep Bed Coarse MediaAutomatic Backwash Traveling BridgeCloth FiltersDisk FiltersMembrane Filtration“Fuzzy” Filters

Reuse PipelineReuse Pipeline

Alignment Set By Feasibility Study, EA & FONSI

All in Existing R/WLocate within Corridors to Minimize Utility

ConflictsCrossing Permits – AMAFCA, MRGCD,

BNSF, NMDOT

Pipeline Alignment MapPipeline Alignment Map

Mid-Point Storage & PumpMid-Point Storage & Pump

Puerto Del Sol Golf Course1.9 million gallon Storage Tank560 gpm Pumping StationHeight Constraints – FAA & EstheticsLocation Constraints – Golfers & NeighborhoodPipeline Location Along Fairway

Mesa Del Sol Recreation AreaMesa Del Sol Recreation AreaNew Roadway Not BuiltFollow “Proposed” Right-of-Way40-50 Foot Cut/Fill

Pipeline Constraints – Pipeline Constraints – Non-Residential AreasNon-Residential Areas

Within Existing R/W Utility Conflict

Potential Permitting Issues

– MRGCD– AMAFCA– BNSF– NMDOT

Pipeline Installation – Pipeline Installation – Residential AreasResidential Areas

Residential “Issues” Traffic Control Residential Access “Good Neighbor”

THANK YOU!THANK YOU!

Now-------Questions???