Recycling Treated Municipal Wastewater for Industrial Water Use

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Appendix B Status of Water Reuse Regulations and Guidelines Table 5. California Draft Ground Water Recharge Regulations Craddock Consulting Engineers B-15 In Association with CDM & James Crook WWReuse Tm1_Appendix B_Regulatory.doc Contaminant Type Pathogenic Microorganisms Type of Recharge Surface spreading Subsurface injection Filtration ≤ 2 NTU Disinfection 5-log virus inactivation a , ≤ 2.2 total coliform per 100 ml Retention time underground 6 months 12 months Horizontal separation b 500 ft 2000 ft Regulated Contaminants Drinking water standards Total nitrogen Unregulated Contaminants TOC e in filtered wastewater TOC in recycled water Recycled water contribution (RWC) Meet all drinking water MCLs c (except nitrogen) and new federal and state regulations as they are adopted Level specified by DHS for existing project with no RWC increase ≤5 mg/L for new project or increased RWC at existing project Or NO2 d and NO3 d consistently met in mound (blending allowed) TOC ≤ 16 mg/L in any portion of the filtered wastewater not subjected to reverse osmosis (RO) treatment RO treatment as needed to achieve: TOC level specified by DHS for existing project with no RWC increase TOC ≤ (0.5 mg/L)/RWC (new project or increased RWC at existing project) Compliance point is in recycled water or mound f (no blending) 100% RO treatment to achieve: TOC level specified by DHS for existing project with no RWC increase TOC ≤ (0.5 mg/L)/RWC (new project or increased RWC at existing project) ≤ 50 % subject to above requirements 50-100 % subject to additional requirements a The virus log reduction requirement may be met by a combination of removal and inactivation. b May be reduced upon demonstration via tracer testing that the required detention time will be met at the proposed alternative distance. c MCL=maximum contaminant level. d NO2=nitrite and NO3=nitrate e TOC=total organic carbon f If mound monitoring approved. Source: Adapted from California Department of Health Services [2004].
Appendix B Status of Water Reuse Regulations and Guidelines Table 6. Florida Water Reuse Rules for Ground Water Recharge and Indirect Potable Reuse Type of Use Water Quality Limits 200 fecal coli/100 ml Treatment Required Ground water recharge via 20 mg/L CBOD5 Secondary rapid infiltration basins (RIBs) 20 mg/L TSS 12 mg/L NO3 (as N) No detectable fecal coli/100 ml Disinfection Ground water recharge via RIBs in unfavorable conditions Ground water recharge or injection to ground waters having TDS < 3000 mg/L Ground water recharge or injection to ground waters having TDS 3,000-10,000 mg/L Indirect potable reuse: discharge to Class I surface waters (used for public water supply) Craddock Consulting Engineers B-16 In Association with CDM & James Crook WWReuse Tm1_Appendix B_Regulatory.doc 20 mg/L CBOD5 5.0 mg/L TSS Primary a & secondary drinking water standards 10 mg/L total N No detectable total coli/100 ml 20 mg/LCBOD5 5.0 mg/L TSS 3.0 mg/L TOC 0.2 mg/L TOX b 10 mg/L total N Primary a & secondary drinking water standards No detectable total coli/100 ml 20 mg/LCBOD5 5.0 mg/L TSS 10 mg/L total N Primary drinking water standards a No detectable total coli/100 ml 20 mg/LCBOD5 5.0 mg/L TSS 3.0 mg/L TOC 10 mg/L total N Primary a & secondary drinking water standards WQBELs c may apply Secondary Filtration Disinfection Secondary Filtration Disinfection Multiple barriers for control of pathogens & organics Pilot testing required Secondary Filtration Disinfection Secondary Filtration Disinfection a Except for asbestos. b TOX = total organic halogen. c WQBELs are water quality based effluent limitations to ensure that water quality standards in a receiving body of water will not be violated. Source: Adapted from Florida Department of Environmental Protection [1999]. The Florida regulations include requirements for planned indirect potable reuse by injection into water supply aquifers and augmentation of surface supplies. A minimum horizontal separation distance of 500 feet is required between reclaimed water injection wells and potable water supply wells. The injection regulations pertain to G-I, G-II, and F-I ground waters, all of which are classified as potable aquifers. Reclaimed water must meet G-II ground water standards prior to injection. G-II ground water standards are, for the most part, primary and secondary drinking water standards. Florida considers
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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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Page 190 and 191: G Figure 3.26. Hastings WWTP - Indu
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Page 198 and 199: Craddock Consulting Engineers In As
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
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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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Page 232 and 233: Table 4. Examples of State Water Re
Page 238 and 239: Setback Distances Appendix B Status
Page 248 and 249: WATER USE (MGD) WATER USE (MGD) 3.5
Page 250 and 251: Table 3.9a. Industrial Water Use in
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Page 254 and 255: Table 3.10d. Industries in the Lowe
Page 256 and 257: WATER USE (MGD) WATER USE (MGD) 8 7
Page 258 and 259: Table 3.11d. Industries in the Minn
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Page 264 and 265: Table 3.12c. Industries in the Miss
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Page 284 and 285: MN Permit No Facility Minnesota Mun
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Minnesota DNR Waters 2005 Ground-wa
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Craddock Consulting Engineers In As
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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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