Recycling Treated Municipal Wastewater for Industrial Water Use

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Section 2: Recycled Wastewater Demand & Supply Recycling Treated Municipal Wastewater for Industrial Water Use Table 2.11. Industrial Water Demand and Recycled Wastewater Supply Summary by Watershed Watershed Ground Water DEMAND SUPPLY ATTRIBUTES Surface Water Total Total Without Power Facilities* Larger WWTP Capacity (WWTPs > 1 mgd) Smaller WWTP Design Capacity (WWTPs < 1 mgd) Larger WWTP Discharge Flow, 2005 No. of Industry Categories with Water Permits Ground Water Availability Ground Water Contamination Susceptibility 2004 Industrial Water Use, mgd mgd mgd mgd No. =Favors Recycling Cedar River 4.1 0.1 4.1 4.1 26.9 2.6 9.7 4 No Factor No Factor Des Moines River 0.6 0.1 0.7 0.7 5.8 3.1 3.1 2 No Factor Lower Mississippi River 13.3 578.8 592.1 14.9 77.3 15.8 41.0 10 Minnesota River 17.3 327.7 345.0 19.0 123.5 22.4 73.4 10 Mississippi River- Headwaters 21.5 939.6 961.1 51.3 337.4 31.5 233.6 15 No Factor No Factor Potential Factor No Factor No Factor Missouri River 0 0.1 0.1 0.1 1.5 2.0 0.7 1 No Factor Rainy River
Section 2: Recycled Wastewater Demand & Supply Recycling Treated Municipal Wastewater for Industrial Water Use Factors Influencing Potential for Industrial Use of Recycled Wastewater The availability of higher quality ground water, typically sought first for municipal and industrial purposes, is a key factor in planning for growth in most of Minnesota. The summary of watershed inventories presented in Table 2.11 includes the assessment of indicators favoring recycled wastewater applications. This high level assessment indicates several areas of the state with limited ground water supplies. These areas are in the Des Moines River and Missouri River watersheds, in the southwest part of the state, northwestern Minnesota in parts of the Red River of the North watershed, and in the Rainy River and Western Lake Superior watersheds, in north central and northeastern Minnesota. The water requirements for ethanol facilities in the southwest part of the state have prompted agencies and industries to work together to meet immediate water demands while protecting the aquifer supplies for long-term use. There are also community-specific water supply limitations in quality and quantity. Ground water contamination is found throughout the state and certain aquifer characteristics make some aquifers a less reliable supply, as in the karst area of the Lower Mississippi River watershed. In general, the water quality of an area and susceptibility to contamination must be assessed on a site specific basis. Community-level planning has usually been used to assess water supply needs in Minnesota. Planning has moved to the watershed level as observed in the state’s water-limited areas of the Des Moines River, Missouri River, and Red River watersheds. Water supply planning, including identification of future water supply limitations, has encompassed a regional scale in the 7-county Twin Cities metro area, as directed under Minnesota Statutes, Section 473.1565. As the state moves forward with TMDL development and new WWTPs or existing ones are expanded, evaluations of wastewater recycling facilities to reduce pollutant discharges are expected to become more prevalent. However, municipalities will not be able to recycle without partners – industries and other wastewater recycle customers need to commit to meeting their water demands with this alternative supply. As observed in the expansion of the ethanol industry and the construction of the Mankato Energy Center – a limited water supply was the key factor that led to consideration of a recycled wastewater supply. While other drivers may lead to wastewater recycling partnerships between municipalities and industries, the most significant driver in the near-term is expected to be water supply limitations, principally ground water supplies limited by quantity or quality issues. 34 Metropolitan Council Environmental Services
Page 2 and 3: Acknowledgements This study was con
Page 4 and 5: Contents Recycling Treated Municipa
Page 6 and 7: Contents Recycling Treated Municipa
Page 8 and 9: Executive Summary Vision Executive
Page 10 and 11: Section 1: Introduction 1.1 Project
Page 12 and 13: Table 1.2. Water Use in Minnesota,
Page 14 and 15: Section 1: Introduction Recycling T
Page 16 and 17: 1.5 Summary Section 1: Introduction
Page 18 and 19: Section 2: Recycled Wastewater Dema
Page 26 and 27: Figure 2.9. Ground Water Contaminat
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Page 38 and 39: Table 2.8. Ethanol Plant Capacity a
Page 42 and 43: 2.7 References Section 2: Recycled
Page 44 and 45: Section 3: Recycled Wastewater Syst
Page 46 and 47: Water Quality Overview The total co
Page 48 and 49: Industrial Water Quality Concerns S
Page 50 and 51: Emerging Contaminants of Concern Se
Page 56 and 57: 3.4 Storage and Transmission Overvi
Page 60 and 61: Cost by Standard Industry Categorie
Page 62 and 63: Costs and Planning Considerations S
Page 64 and 65: Section 4: Implementation Considera
Page 66 and 67: Economic Incentives and Risk Assess
Page 68 and 69: Section 5: Summary and Potential Ne
Page 70 and 71: Long-Term Vision Section 5: Summary
Page 72: Exhibit A: California Water Recycli
Page 75 and 76: Metropolitan Council Recycling Trea
Page 77 and 78: Contents Section 1 - Introduction C
Page 79 and 80: Craddock Consulting Engineers In As
Page 81 and 82: Section 1 Introduction Craddock Con
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Page 89 and 90: Section 2 Implementation Considerat
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Section 2 Implementation Considerat
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Table 2.4. Examples of State Water
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Craddock Consulting Engineers 3-1 I
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Section 3 Inventory of Major WWTPs
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Figure 3.6. Industrial Reuse Custom
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Figure 3.7b. Ground Water Availabil
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") Figure 3.8c. Cedar River Watersh
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") ") ") ") Figure 3.10c. Lower Mis
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Figure 3.12c. Mississippi River - H
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Figure 3.14b. Rainy River Watershed
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") Figure 3.16c. St. Croix River Wa
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Figure 3.18 Metro Area Industrial R
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G G Flying Cloud Dr !! G! G Figure
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Figure 3.22. Rogers WWTP - Industri
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G G G! Dodd Rd GG Figure 3.24. Rose
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G Figure 3.26. Hastings WWTP - Indu
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State Hwy 36 ! Figure 3.28. St. Cro
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Craddock Consulting Engineers In As
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Water Use Code Categories Minnesota
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Minnesota Water Use for All Categor
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Air Conditioning 0.2% Waterworks 15
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Minnesota Water Use, 2000-2004 - St
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Minnesota Water Use in 2004 (withou
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Minnesota Water Use in 2000 (withou
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UseCode by Year Minnesota Power Gen
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Water Use (MGD) Water Use (MGD) 350
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Minnesota Industrial Processing Fac
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Minnesota Industrial Processing Fac
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Water Use (MGD) Water Use (MGD) 120
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Water Use (MGD) Water Use (MGD) 13.
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Overview There are no federal regul
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Appendix B Status of Water Reuse Re
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Table 4. Examples of State Water Re
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Setback Distances Appendix B Status
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WATER USE (MGD) WATER USE (MGD) 3.5
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Table 3.9a. Industrial Water Use in
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Table 3.10a. Industrial Water Use i
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Table 3.10d. Industries in the Lowe
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WATER USE (MGD) WATER USE (MGD) 8 7
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Table 3.11d. Industries in the Minn
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Table 3.11d. Industries in the Minn
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WATER USE (MGD) WATER USE (MGD) 12
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Table 3.12c. Industries in the Miss
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Table 3.17c. Industries in the West
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MN Permit No Facility Minnesota Mun
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MN Permit No Facility Minnesota Mun
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Minnesota DNR Waters 2005 Ground-wa
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Permit No. Organization NAICS Code
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Metropolitan Council Recycling Trea
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TM2: Sampling Plan and Results Recy
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Recommended Limits for Various Indu
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Exhibit B Blue Lake WWTP Sampling R
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MCES Blue Lake Plant Final Effluent
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Date Day of Wk MCES Blue Lake Plant
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MCES Empire Plant Final Effluent Sa
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Date Day of Wk 10/24/06 Tuesday 10/
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Exhibit D Metropolitan (Metro) WWTP
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MCES Metropolitan Plant Final Efflu
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Date Day of Wk 4/19/07 Thursday 4/2
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MCES Seneca Plant Final Effluent Sa
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Date Day of Wk 10/8/06 Sunday 10/9/
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Metropolitan Council Recycling Trea
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Section 5 - Costs Table of Contents
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TM3: Recycled Wastewater System Com
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WWTP 1 - 2 - 3 - 4 - 5 - 1 Treatmen
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o Synthetic medium o Two-stage Surf
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Table 13 WATER REUSE SYSTEM COST OF
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Cost of Service, $/1000 gallon 1.00
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Cost of Service, $/1000 gallons 8.0
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Appendix A Water Reuse Regulatory E
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Table A-1. 2000 California Water Re
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California Department of Health Ser
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Other Media Type Filters Fuzzy Filt
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Appendix B TECHNICAL MEMORANDUM Rec
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Appendix B Reclaimed Water Transmis
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Exhibit 1 Transmission Main Cost To
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Pipe Installation Data (DR 18 PVC P
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Equipment Costs (with O&P) Item Des
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Water Reuse Pipe Line Construction
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Construction Unit Costs Item (2006
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Crew Costs (with O&P) St. Paul Pres
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Capital PROJECT Cost Curves for Rec
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Diam (in) Annual Average Day Flow A
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Diam (in) Annual Average Day Flow A
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Pipe Capital Project Cost, $ Millio
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Pipe Capital Project Cost, $/1000 g
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Annual Pipe Average Annual Velocity
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Pipe Capital Project Cost, $ Millio
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Exhibit 3 Water Reuse System O&M Co
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Diam (in) Annual Average Day Flow (
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Pumping Cost, $/1000 gallons 0.095
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Water Reuse System Estimated Cost o
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WATER REUSE SYSTEM COST OF SERVICE
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Appendix D-1 Water Reuse System Cos
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Water Reuse System Estimates of Pro
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Cost Curves as Basis for Tertiary 1
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Secondary Treatment Assumptions Sus
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Craddock Consulting Engineers 1 In
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TM4: WWTP Effluent Quality Recyclin
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Frequency of Occurrence, % Frequenc
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No. of Plants Total Permitting Desi
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Frequency of Occurrence, % Frequenc
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No. of Plants Total Permitting Desi
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Craddock Consulting Engineers 1 In
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1.0 Introduction This technical mem
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Exhibit A Regulatory Stakeholder Me
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MCES Recycling Treated Wastewater f
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Municipal Wastewater Reuse Regulato
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Exhibit B Industry Stakeholder Meet
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Recycling Treated Wastewater For In
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Institutional Issues Topic Discussi
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Institutional Issues Topic Discussi
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Exhibit C Broader Base Stakeholder
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Recycling Treated Municipal Wastewater for Industrial Water Use

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