Recycling Treated Municipal Wastewater for Industrial Water Use

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Section 3 Inventory of Major WWTPs and Potential Reuse Demands Table 3.27. Industrial Water Reuse Inventory Summary by Watershed Watershed Ground Water Surface Water Total Total Without Power Facilities* Larger WWTP Capacity (WWTPs > 1 mgd) Smaller WWTP Capacity (WWTPs < 1 mgd) Larger WWTP Discharge Flow, 2005 No. of Industry Categories with Water Permits Ground Water Availability 3-52 Craddock Consulting Engineers In Association with CDM & James Crook WWReuseTM1_Sec 3_final.doc 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 0.56 0.16 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 No Factor Minnesota River 17.3 327.7 345.0 19.0 123.5 22.4 73.4 10 No Factor Potential Factor Mississippi River- Headwaters 21.5 939.6 961.1 51.3 337.4 31.5 233.6 15 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 3 Inventory of Major WWTPs and Potential Industrial Reuse Demands Craddock Consulting Engineers 3-53 In Association with CDM & James Crook WWReuseTM1_Sec 3_final.doc The Met Council database provided a single data source for a regional inventory of industries and their water demand. A more accurate method to identify potential industries for a specific WWTP is the analysis of water billing records, which typically provide enough detail to also assess any industrial seasonal water demands. While the inventories performed on a state and watershed basis for this study do not include all potential industrial water users, they do provide an indication of the types of industries in the area and the types of industries that may be attracted to the area. If it is assumed that the degree of diversity of industries in the watersheds does not change (number of industry categories represented as listed in Table 3.27), then one would expect to see a similar diversity in the future. Diversity of industries is an indicator of areas that may be more advantageous for wastewater reuse. Given the capital and O&M costs associated with supplying reclaimed water, and that costs per gallon supplied typically decrease with increased supply, municipalities in areas with multiple industrial customers will be more likely to invest in facilities for wastewater reuse. If some industries have seasonal or weekly production schedules, the fluctuations can be dampened by having a more diverse set of customers. As indicated in Table 3.27, the watersheds with the most diverse (therefore, potential) industrial reuse customers are the larger watersheds that have larger population centers. The diversity criterion is only an indicator and has limitations with the data set used in this study. Smaller communities may have other industries that are not captured by the DNR database. Areas with industries that have the highest ground water use are possibly better candidates for water reuse, particularly if there are local supply issues. From Table 3.27, the watersheds with the greatest demand for ground water by major industries are also those with the greatest land area: Mississippi River-Headwaters, Minnesota River and Lower Mississippi River. These watersheds also have the largest reclaimed water supply. While these watersheds do not have regional water supply issues like those in the southwest and northeast of Minnesota, local issues and the proximity of a diversity of industries may provide a community-specific fit for use of reclaimed water by industries. The other criterion used to assess areas that may favor water reuse by industries, was the WWTP location and capacity. The more industries closer to the plant, the more favorable a customer they are for reclaimed water. Capacity can be an indicator in its comparison to the current plant flow rates. Plants approaching capacity may be planning for expansion and any treatment modifications could roll in requirements for reclaimed water. Conversely, plants with excess capacity and limited growth potential in the area, may attract industry for its treatment capacity, and if supply is an issue, water reuse options could be explored. This criteria is not applicable on a broad watershed basis. However, specific WWTPs are noted in the watershed discussion on factors influencing potential for industrial reuse.
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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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Page 144 and 145: Section 3 Inventory of Major WWTPs
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Page 182 and 183: Figure 3.22. Rogers WWTP - Industri
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Page 190 and 191: G Figure 3.26. Hastings WWTP - Indu
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Page 200 and 201: Water Use Code Categories Minnesota
Page 202 and 203: Minnesota Water Use for All Categor
Page 204 and 205: Air Conditioning 0.2% Waterworks 15
Page 206 and 207: Minnesota Water Use, 2000-2004 - St
Page 208 and 209: Minnesota Water Use in 2004 (withou
Page 210 and 211: Minnesota Water Use in 2000 (withou
Page 212 and 213: UseCode by Year Minnesota Power Gen
Page 214 and 215: Water Use (MGD) Water Use (MGD) 350
Page 216 and 217: Minnesota Industrial Processing Fac
Page 218 and 219: Minnesota Industrial Processing Fac
Page 220 and 221: Water Use (MGD) Water Use (MGD) 120
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Page 226 and 227: Overview There are no federal regul
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Appendix B Status of Water Reuse Re
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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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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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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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