Recycling Treated Municipal Wastewater for Industrial Water Use

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WWTP 1 - 2 - 3 - 4 - 5 - 1 Treatment Existing Facilities Potential New Facilities New or Refurbished Facilities 2 Additional Disinfection Non- Seasonal Storage Additional treatment processes to meet industrial water supply requirements Additional disinfection for reclaimed regulatory limits and residual in the transmission system Storage for smaller WWTPs and where industrial demand does not match WW flow Pump station to supply industries Reclaimed water transmission main and branch transmission lines 3 4 5 Pump Station Industry A Industry C Industry B WWTP Site Transmission Area/Industry Site 6 - 7 - 6 7 Treatment Treatment Industry D Booster pump for transmission to some industries Industry on-site treatment Schematic shows possible combination of facilities for Industries A-D supplied from reclaimed water transmission main line Figure 2. Water Reuse System Conceptual Model
3.0 Treatment 3.1 Industrial Water Quality Requirements TM3: Recycled Wastewater System Components and Costs Recycling Treated Municipal Wastewater for Industrial Water Use There are two water quality drivers that affect the treatment requirements for reclaimed water: The regulatory requirements which are typically for the protection of public health and the environment and focus on microbiological parameters. The user-specific requirements for the water supply, which in the case of industries is a very specific set of water quality criteria for a given facility. 3.1.1 Regulatory Requirements Reclaimed water for industrial use in Minnesota is currently required to meet regulatory limits based on the California Water Recycling Criteria, Title 22 California Code of Regulations (Title 22). The complete list of criteria is included in Appendix A, Exhibit 1. The criteria specific to industrial applications (excluding any irrigation uses) are listed in Table 1. The Minnesota Pollution Control Agency (MPCA) handles permitting recycled wastewater as part of the National Pollutant Discharge Elimination System (NPDES) permit process. The MPCA establishes recycled wastewater water quality criteria on a case-by-case basis and bases its assessment on the Title 22 criteria. Therefore, the Title 22 criteria will serve as the basis for selection of treatment technologies to meet regulatory requirements in this study. Table 1. California Water Recycling Criteria (Industrial Uses) Type of Use Total Coliform Limits Treatment Required Cooling water where no mist created ≤ 23/100 ml Process water where no worker contact Boiler feed Mixing concrete 1 ≤ 240/100 ml Secondary (max in any 30- Disinfection day period) Cooling water where mist created 2 Process water where worker contact likely ≤ 2.2/100 ml 1 ≤ 23/100 ml (max in any 30day period) Secondary Coagulation 3 Filtration Disinfection Source: Adapted from State of California [2000a]. 1 Based on running 7-day median; daily sampling is required. 2 Drift eliminator required; chlorine or other biocide required to treat cooling water to control Legionella and other microorganisms. 3 Not required under certain conditions. Craddock Consulting Engineers 5 In Association with CDM & James Crook TM3-Component&Costs_0707
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Acknowledgements This study was con
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Contents Recycling Treated Municipa
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Contents Recycling Treated Municipa
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Executive Summary Vision Executive
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Section 1: Introduction 1.1 Project
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Table 1.2. Water Use in Minnesota,
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Section 1: Introduction Recycling T
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1.5 Summary Section 1: Introduction
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Section 2: Recycled Wastewater Dema
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Figure 2.9. Ground Water Contaminat
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Table 2.8. Ethanol Plant Capacity a
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2.7 References Section 2: Recycled
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Section 3: Recycled Wastewater Syst
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Water Quality Overview The total co
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Industrial Water Quality Concerns S
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Emerging Contaminants of Concern Se
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3.4 Storage and Transmission Overvi
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Cost by Standard Industry Categorie
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Costs and Planning Considerations S
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Section 4: Implementation Considera
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Economic Incentives and Risk Assess
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Section 5: Summary and Potential Ne
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Long-Term Vision Section 5: Summary
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Exhibit A: California Water Recycli
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Metropolitan Council Recycling Trea
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Contents Section 1 - Introduction C
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Craddock Consulting Engineers In As
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Section 1 Introduction Craddock Con
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Craddock Consulting Engineers 2-1 I
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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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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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Page 324 and 325: TM2: Sampling Plan and Results Recy
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Page 331 and 332: MCES Blue Lake Plant Final Effluent
Page 333 and 334: Date Day of Wk MCES Blue Lake Plant
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Page 368 and 369: Section 5 - Costs Table of Contents
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Page 403 and 404: Table 13 WATER REUSE SYSTEM COST OF
Page 409 and 410: Cost of Service, $/1000 gallon 1.00
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Page 423 and 424: 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 of Service, $/1000 gallon 2.00
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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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