# Environmental Engineering - References

## Academic Papers and Research

1. **Biological Wastewater Treatment: Principles, Modelling and Design**
   - https://doi.org/10.2166/9781780401867
   - Henze, M. et al. - Comprehensive biological treatment reference

2. **Advances in Water Treatment by Adsorption Technology**
   - https://doi.org/10.1038/s41545-020-0060-8
   - De Gisi, S. et al. - Modern adsorption treatment approaches

3. **Membrane Bioreactors: Operation and Results of Municipal Wastewater Treatment**
   - https://doi.org/10.1016/j.watres.2009.01.011
   - Judd, S. - MBR technology overview and performance

4. **Constructed Wetlands for Wastewater Treatment**
   - https://doi.org/10.1016/j.ecoleng.2006.12.025
   - Vymazal, J. - Nature-based treatment systems

5. **In Situ Bioremediation: When Does It Work?**
   - https://www.nap.edu/catalog/2131/in-situ-bioremediation-when-does-it-work
   - National Research Council - Bioremediation fundamentals

6. **Permeable Reactive Barriers for Groundwater Remediation**
   - https://doi.org/10.1016/j.jhazmat.2008.08.061
   - Thiruvenkatachari, R. et al. - PRB technology review

7. **Air Pollution Control Engineering**
   - https://doi.org/10.1007/978-1-59259-778-9
   - De Nevers, N. - Foundational air pollution control text

8. **Life Cycle Assessment: Theory and Practice**
   - https://doi.org/10.1007/978-3-319-56475-3
   - Hauschild, M.Z. et al. - LCA methodology reference

## Industry Standards and Guidelines

### Water and Wastewater Standards

9. **Ten States Standards (Recommended Standards for Water Works)**
   - https://www.health.state.mn.us/communities/environment/water/tenstates/
   - US drinking water treatment design standards

10. **Ten States Standards (Recommended Standards for Wastewater Facilities)**
    - https://www.health.state.mn.us/communities/environment/water/tenstates/wastewater.html
    - US wastewater treatment design standards

11. **AWWA Standards**
    - https://www.awwa.org/Resources-Tools/Resource-Topics/Standards
    - American Water Works Association standards

12. **WEF Manual of Practice Series**
    - https://www.wef.org/resources/publications/
    - Water Environment Federation technical guides

13. **EPA Design Manual: Municipal Wastewater Stabilization Ponds**
    - https://www.epa.gov/sites/default/files/2014-08/documents/stabilization_pond.pdf
    - Lagoon system design guidance

14. **EPA Design Manual: Fine Pore Aeration Systems**
    - https://nepis.epa.gov/
    - Aeration system design guidance

15. **NSF/ANSI Drinking Water Treatment Standards**
    - https://www.nsf.org/consumer-resources/articles/drinking-water-treatment-standards
    - Treatment equipment certification standards

### Air Quality Standards

16. **EPA AP-42: Compilation of Air Emission Factors**
    - https://www.epa.gov/air-emissions-factors-and-quantification/ap-42-compilation-air-emissions-factors
    - Primary emission factor database

17. **EPA Air Pollution Control Cost Manual**
    - https://www.epa.gov/economic-and-cost-analysis-air-pollution-regulations/cost-reports-and-guidance-air-pollution
    - Control technology cost estimation

18. **AERMOD Implementation Guide**
    - https://www.epa.gov/scram/air-quality-dispersion-modeling-preferred-and-recommended-models
    - Air dispersion modeling guidance

19. **EPA Method 1 through Method 29 (Stack Sampling Methods)**
    - https://www.epa.gov/emc/emc-promulgated-test-methods
    - Stack testing methodologies

20. **OAQPS Control Techniques Guidelines**
    - https://www.epa.gov/ground-level-ozone-pollution/control-techniques-guidelines-and-alternative-control-techniques
    - VOC control guidance documents

### Remediation Standards

21. **EPA Superfund Remedy Selection Guidance**
    - https://www.epa.gov/superfund/superfund-remedy-selection-guidance
    - CERCLA remedy selection criteria

22. **EPA Regional Screening Levels (RSLs)**
    - https://www.epa.gov/risk/regional-screening-levels-rsls
    - Risk-based screening values

23. **EPA Soil Screening Guidance**
    - https://www.epa.gov/superfund/superfund-soil-screening-guidance
    - Soil screening level development

24. **ASTM E1527-21: Phase I Environmental Site Assessment**
    - https://www.astm.org/e1527-21.html
    - Phase I ESA standard practice

25. **ASTM E1903-19: Phase II Environmental Site Assessment**
    - https://www.astm.org/e1903-19.html
    - Phase II investigation standard

26. **ITRC Technical Guidance Documents**
    - https://www.itrcweb.org/guidance
    - Interstate Technology & Regulatory Council guidance

### Solid Waste Standards

27. **EPA RCRA Orientation Manual**
    - https://www.epa.gov/hwgenerators/resource-conservation-and-recovery-act-rcra-orientation-manual
    - RCRA regulatory overview

28. **EPA Criteria for Municipal Solid Waste Landfills (40 CFR 258)**
    - https://www.epa.gov/landfills/municipal-solid-waste-landfills
    - Subtitle D landfill requirements

29. **EPA Design, Construction, and Operation Manual for Sanitary Landfills**
    - EPA landfill design guidance

30. **SWANA Technical Guidelines**
    - https://swana.org/resources
    - Solid Waste Association technical resources

## Best Practices and Methodologies

### Water and Wastewater Treatment

31. **Metcalf & Eddy - Wastewater Engineering: Treatment and Resource Recovery**
    - https://www.mheducation.com/highered/product/wastewater-engineering-treatment-resource-recovery-tchobanoglous-stensel/M9780073401188.html
    - Definitive wastewater engineering reference

32. **AWWA - Water Quality and Treatment: A Handbook on Drinking Water**
    - https://www.awwa.org/Store/Product-Details/productId/80640804
    - Comprehensive drinking water treatment handbook

33. **Crittenden, J.C. et al. - MWH's Water Treatment: Principles and Design**
    - https://www.wiley.com/en-us/MWH%27s+Water+Treatment%3A+Principles+and+Design
    - Advanced water treatment design

34. **Davis, M.L. - Water and Wastewater Engineering: Design Principles and Practice**
    - https://www.mheducation.com/highered/product/water-wastewater-engineering-design-principles-practice-davis/M9780071713849.html
    - Engineering design principles

35. **Qasim, S.R. - Wastewater Treatment Plants: Planning, Design, and Operation**
    - https://doi.org/10.1201/9780203734209
    - Practical plant design and operation

36. **Judd, S. - The MBR Book: Principles and Applications of Membrane Bioreactors**
    - https://www.elsevier.com/books/the-mbr-book/judd/978-0-08-096682-3
    - Membrane bioreactor technology

37. **Asano, T. et al. - Water Reuse: Issues, Technologies, and Applications**
    - https://www.mheducation.com/highered/product/water-reuse-issues-technologies-applications-asano-burton/M9780071459273.html
    - Water recycling and reuse

### Air Quality Engineering

38. **Cooper, C.D. and Alley, F.C. - Air Pollution Control: A Design Approach**
    - https://www.waveland.com/browse.php?t=396
    - Air pollution control design text

39. **Schnelle, K.B. and Brown, C.A. - Air Pollution Control Technology Handbook**
    - https://www.taylorfrancis.com/books/mono/10.1201/9781420036435/air-pollution-control-technology-handbook-karl-schnelle-charles-brown
    - Control technology selection guide

40. **Wark, K. et al. - Air Pollution: Its Origin and Control**
    - Classic air pollution engineering text

41. **Heinsohn, R.J. and Kabel, R.L. - Sources and Control of Air Pollution**
    - https://www.pearson.com/en-us/subject-catalog/p/sources-and-control-of-air-pollution/P200000003481
    - Source control engineering

42. **Seinfeld, J.H. and Pandis, S.N. - Atmospheric Chemistry and Physics**
    - https://www.wiley.com/en-us/Atmospheric+Chemistry+and+Physics%3A+From+Air+Pollution+to+Climate+Change
    - Atmospheric science fundamentals

43. **Turner, D.B. - Workbook of Atmospheric Dispersion Estimates**
    - Classic dispersion modeling reference

### Site Remediation

44. **Suthersan, S.S. - Remediation Engineering: Design Concepts**
    - https://www.routledge.com/Remediation-Engineering-Design-Concepts/Suthersan-Payne-Schnobrich/p/book/9781498773461
    - Comprehensive remediation engineering

45. **Fetter, C.W. - Contaminant Hydrogeology**
    - https://www.waveland.com/browse.php?t=406
    - Contaminant transport fundamentals

46. **Wiedemeier, T.H. et al. - Natural Attenuation of Fuels and Chlorinated Solvents**
    - https://www.wiley.com/en-us/Natural+Attenuation+of+Fuels+and+Chlorinated+Solvents+in+the+Subsurface-p-9780471197492
    - MNA guidance

47. **Domenico, P.A. and Schwartz, F.W. - Physical and Chemical Hydrogeology**
    - https://www.wiley.com/en-us/Physical+and+Chemical+Hydrogeology
    - Hydrogeology fundamentals

48. **EPA - Groundwater Issue Papers**
    - https://www.epa.gov/remedytech/groundwater-issue-papers
    - Technical guidance on remediation technologies

49. **NRC - Alternatives for Ground Water Cleanup**
    - https://www.nap.edu/catalog/2311/alternatives-for-ground-water-cleanup
    - Groundwater remediation evaluation

### Solid and Hazardous Waste

50. **Tchobanoglous, G. et al. - Solid Waste Engineering: A Global Perspective**
    - https://www.cengage.com/c/integrated-solid-waste-management-engineering-principles-and-management-issues-1e-tchobanoglous/
    - Solid waste management engineering

51. **LaGrega, M.D. et al. - Hazardous Waste Management**
    - https://www.waveland.com/browse.php?t=650
    - Hazardous waste engineering

52. **Daniel, D.E. - Geotechnical Practice for Waste Disposal**
    - https://www.springer.com/gp/book/9780412351709
    - Landfill geotechnical design

53. **McBean, E.A. et al. - Solid Waste Landfill Engineering and Design**
    - Landfill design principles

54. **Christensen, T.H. - Solid Waste Technology and Management**
    - https://www.wiley.com/en-us/Solid+Waste+Technology+and+Management
    - Comprehensive solid waste reference

### Sustainability and LCA

55. **ISO 14040:2006 - Environmental Management - Life Cycle Assessment - Principles and Framework**
    - https://www.iso.org/standard/37456.html
    - LCA methodology standard

56. **ISO 14044:2006 - Environmental Management - Life Cycle Assessment - Requirements and Guidelines**
    - https://www.iso.org/standard/38498.html
    - LCA requirements standard

57. **Curran, M.A. - Life Cycle Assessment Handbook**
    - https://www.wiley.com/en-us/Life+Cycle+Assessment+Handbook%3A+A+Guide+for+Environmentally+Sustainable+Products-p-9781118099728
    - Practical LCA guide

58. **Graedel, T.E. and Allenby, B.R. - Industrial Ecology and Sustainable Engineering**
    - https://www.pearson.com/en-us/subject-catalog/p/industrial-ecology-and-sustainable-engineering/P200000003456
    - Industrial ecology principles

59. **McDonough, W. and Braungart, M. - Cradle to Cradle: Remaking the Way We Make Things**
    - https://www.c2ccertified.org/
    - Circular economy design principles

60. **GHG Protocol Standards**
    - https://ghgprotocol.org/standards
    - Carbon accounting methodology

## Key Tools and Technologies

### Water and Wastewater Software

61. **EPANET**
    - https://www.epa.gov/water-research/epanet
    - Water distribution system modeling

62. **SWMM (Storm Water Management Model)**
    - https://www.epa.gov/water-research/storm-water-management-model-swmm
    - Stormwater and sewer system modeling

63. **GPS-X (Hydromantis)**
    - https://www.hydromantis.com/GPS-X.html
    - Wastewater treatment process modeling

64. **BioWin (EnviroSim)**
    - https://envirosim.com/products/biowin
    - Biological treatment process simulation

65. **SUMO (Dynamita)**
    - https://dynamita.com/sumo/
    - Advanced wastewater process modeling

66. **WaterGEMS/SewerGEMS (Bentley)**
    - https://www.bentley.com/software/openflows-watergems/
    - Water and sewer infrastructure modeling

67. **InfoWorks ICM (Innovyze)**
    - https://www.autodesk.com/products/innovyze
    - Integrated catchment modeling

### Air Quality Software

68. **AERMOD**
    - https://www.epa.gov/scram/air-quality-dispersion-modeling-preferred-and-recommended-models
    - EPA preferred dispersion model

69. **CALPUFF**
    - http://www.src.com/calpuff/
    - Long-range transport modeling

70. **TANKS**
    - https://www.epa.gov/air-emissions-factors-and-quantification/tanks-emissions-estimation-software
    - Storage tank emission estimation

71. **AERSCREEN**
    - https://www.epa.gov/scram/air-quality-dispersion-modeling-screening-models
    - Screening-level dispersion model

72. **BREEZE Software Suite**
    - https://www.trinityconsultants.com/breeze-software
    - Commercial air quality modeling

73. **MOVES (Motor Vehicle Emission Simulator)**
    - https://www.epa.gov/moves
    - Mobile source emission modeling

74. **SPECIATE Database**
    - https://www.epa.gov/air-emissions-modeling/speciate
    - Air emission speciation profiles

### Remediation and Groundwater Software

75. **MODFLOW**
    - https://www.usgs.gov/software/modflow-6-usgs-modular-hydrologic-model
    - USGS groundwater flow model

76. **MT3DMS**
    - https://www.usgs.gov/software/mt3dms-modular-3-d-multi-species-transport-model
    - Contaminant transport model

77. **BIOCHLOR**
    - https://www.epa.gov/water-research/biochlor-natural-attenuation-decision-support-system
    - Chlorinated solvent natural attenuation

78. **BIOSCREEN**
    - https://www.epa.gov/water-research/bioscreen-natural-attenuation-decision-support-system
    - Hydrocarbon natural attenuation

79. **Visual MODFLOW (Waterloo Hydrogeologic)**
    - https://www.waterloohydrogeologic.com/products/visual-modflow-flex/
    - Groundwater modeling interface

80. **GMS (Groundwater Modeling System)**
    - https://www.aquaveo.com/software/gms-groundwater-modeling-system-introduction
    - Integrated groundwater modeling

81. **FEFLOW (DHI)**
    - https://www.mikepoweredbydhi.com/products/feflow
    - Finite element groundwater modeling

### GIS and Data Management

82. **ArcGIS Environmental Solutions**
    - https://www.esri.com/en-us/industries/natural-resources/environmental-management
    - GIS for environmental applications

83. **QGIS**
    - https://qgis.org/
    - Open-source GIS platform

84. **Google Earth Engine**
    - https://earthengine.google.com/
    - Cloud-based environmental analysis

85. **Esri Hydro Tools**
    - https://www.esri.com/en-us/arcgis/products/arcgis-pro/overview
    - Hydrologic analysis tools

### LCA and Sustainability Tools

86. **openLCA**
    - https://www.openlca.org/
    - Open-source LCA software

87. **SimaPro**
    - https://simapro.com/
    - Commercial LCA software

88. **GaBi**
    - https://sphera.com/life-cycle-assessment-lca-software/
    - Life cycle assessment software

89. **Ecoinvent Database**
    - https://ecoinvent.org/
    - LCA database

90. **GREET Model (Argonne)**
    - https://greet.es.anl.gov/
    - Greenhouse gas and energy analysis

### Monitoring and Laboratory

91. **EPA Approved Methods**
    - https://www.epa.gov/cwa-methods
    - Clean Water Act analytical methods

92. **Standard Methods for Examination of Water and Wastewater**
    - https://www.standardmethods.org/
    - APHA/AWWA/WEF laboratory methods

93. **EPA SW-846 Test Methods**
    - https://www.epa.gov/hw-sw846
    - Hazardous waste characterization methods

94. **ASTM Environmental Standards**
    - https://www.astm.org/products-services/standards-and-publications/standards/environmental-standards.html
    - Environmental testing standards

## Books and Learning Resources

### Foundational Texts

95. **Mihelcic, J.R. and Zimmerman, J.B. - Environmental Engineering: Fundamentals, Sustainability, Design**
    - https://www.wiley.com/en-us/Environmental+Engineering%3A+Fundamentals%2C+Sustainability%2C+Design
    - Modern environmental engineering text

96. **Masters, G.M. and Ela, W.P. - Introduction to Environmental Engineering and Science**
    - https://www.pearson.com/en-us/subject-catalog/p/introduction-to-environmental-engineering-and-science/P200000003482
    - Introductory environmental engineering

97. **Vesilind, P.A. et al. - Introduction to Environmental Engineering**
    - Comprehensive introductory text

98. **Peavy, H.S. et al. - Environmental Engineering**
    - Classic environmental engineering reference

99. **Kiely, G. - Environmental Engineering**
    - https://www.mheducation.co.uk/environmental-engineering-9780071162050-emea
    - International environmental engineering text

100. **Henry, J.G. and Heinke, G.W. - Environmental Science and Engineering**
     - Integrated environmental science and engineering

### Climate and Sustainability

101. **IPCC Assessment Reports**
     - https://www.ipcc.ch/reports/
     - Climate change science and impacts

102. **Houghton, J.T. - Global Warming: The Complete Briefing**
     - https://www.cambridge.org/core/books/global-warming/0BABBA8C71FCCE2686E618191D7C9D52
     - Climate change fundamentals

103. **Pachauri, R.K. and Meyer, L.A. - Climate Change 2014: Synthesis Report**
     - https://www.ipcc.ch/report/ar5/syr/
     - IPCC synthesis report

104. **Stern, N. - The Economics of Climate Change: The Stern Review**
     - https://www.cambridge.org/core/books/economics-of-climate-change/A1E0BBF2F0ED8E2E4142A9C878052204
     - Economic analysis of climate change

105. **Hawken, P. - Drawdown: The Most Comprehensive Plan Ever Proposed to Reverse Global Warming**
     - https://drawdown.org/
     - Climate solutions compendium

### Environmental Chemistry and Toxicology

106. **Manahan, S.E. - Environmental Chemistry**
     - https://www.routledge.com/Environmental-Chemistry/Manahan/p/book/9780367861278
     - Comprehensive environmental chemistry

107. **Schwarzenbach, R.P. et al. - Environmental Organic Chemistry**
     - https://www.wiley.com/en-us/Environmental+Organic+Chemistry
     - Organic contaminant fate and transport

108. **Stumm, W. and Morgan, J.J. - Aquatic Chemistry**
     - https://www.wiley.com/en-us/Aquatic+Chemistry%3A+Chemical+Equilibria+and+Rates+in+Natural+Waters
     - Aquatic chemistry fundamentals

109. **Newman, M.C. - Fundamentals of Ecotoxicology**
     - https://www.routledge.com/Fundamentals-of-Ecotoxicology/Newman/p/book/9781498741316
     - Ecotoxicology principles

110. **Rand, G.M. - Fundamentals of Aquatic Toxicology**
     - https://www.routledge.com/Fundamentals-of-Aquatic-Toxicology/Rand/p/book/9781560320906
     - Aquatic toxicology methods

### Environmental Law and Policy

111. **Percival, R.V. et al. - Environmental Regulation: Law, Science, and Policy**
     - https://www.aspenlawschool.com/products/percival-environmental
     - Environmental law text

112. **Lazarus, R.J. - The Making of Environmental Law**
     - https://press.uchicago.edu/ucp/books/book/chicago/M/bo3645815.html
     - History of environmental regulation

113. **Salzman, J. and Thompson, B.H. - Environmental Law and Policy**
     - https://www.westacademic.com/Salzman-and-Thompsons-Environmental-Law-and-Policy
     - Environmental law overview

## Community Resources and Professional Organizations

### Professional Organizations

114. **Water Environment Federation (WEF)**
     - https://www.wef.org/
     - Water quality professional organization

115. **American Water Works Association (AWWA)**
     - https://www.awwa.org/
     - Drinking water professional organization

116. **Air & Waste Management Association (A&WMA)**
     - https://www.awma.org/
     - Air quality and waste management organization

117. **American Academy of Environmental Engineers and Scientists (AAEES)**
     - https://www.aaees.org/
     - Board certification for environmental engineers

118. **National Ground Water Association (NGWA)**
     - https://www.ngwa.org/
     - Groundwater professional organization

119. **Solid Waste Association of North America (SWANA)**
     - https://swana.org/
     - Solid waste professional organization

120. **Society of Environmental Toxicology and Chemistry (SETAC)**
     - https://www.setac.org/
     - Environmental toxicology and chemistry

121. **International Water Association (IWA)**
     - https://iwa-network.org/
     - International water professional organization

### Conferences

122. **WEFTEC (Water Environment Federation Technical Exhibition and Conference)**
     - https://www.weftec.org/
     - Premier water quality conference

123. **AWWA ACE (Annual Conference and Exposition)**
     - https://www.awwa.org/Events-Networking/Events-Calendar
     - Major drinking water conference

124. **A&WMA Annual Conference**
     - https://www.awma.org/ace
     - Air and waste management conference

125. **Battelle Chlorinated Conference**
     - https://www.battelle.org/conferences
     - Remediation technology conference

126. **NGWA Groundwater Summit**
     - https://groundwatersummit.org/
     - Groundwater conference

127. **WasteExpo**
     - https://www.wasteexpo.com/
     - Solid waste industry conference

128. **Greenbuild International Conference**
     - https://www.greenbuildexpo.com/
     - Green building conference

### Journals

129. **Environmental Science & Technology**
     - https://pubs.acs.org/journal/esthag
     - Premier environmental science journal

130. **Water Research**
     - https://www.sciencedirect.com/journal/water-research
     - Leading water research journal

131. **Journal of Environmental Engineering (ASCE)**
     - https://ascelibrary.org/journal/joeedu
     - Environmental engineering journal

132. **Journal of the Air & Waste Management Association**
     - https://www.tandfonline.com/toc/uawm20/current
     - Air and waste management journal

133. **Groundwater**
     - https://ngwa.onlinelibrary.wiley.com/journal/17456584
     - NGWA groundwater journal

134. **Journal of Hazardous Materials**
     - https://www.sciencedirect.com/journal/journal-of-hazardous-materials
     - Hazardous materials journal

135. **Waste Management**
     - https://www.sciencedirect.com/journal/waste-management
     - Solid waste management journal

136. **Environmental Pollution**
     - https://www.sciencedirect.com/journal/environmental-pollution
     - Environmental pollution research

137. **Journal of Cleaner Production**
     - https://www.sciencedirect.com/journal/journal-of-cleaner-production
     - Sustainability and cleaner production

### Government Resources

138. **EPA Office of Water**
     - https://www.epa.gov/aboutepa/about-office-water
     - US water regulations and guidance

139. **EPA Office of Air and Radiation**
     - https://www.epa.gov/aboutepa/about-office-air-and-radiation
     - US air quality regulations

140. **EPA Office of Land and Emergency Management**
     - https://www.epa.gov/aboutepa/about-office-land-and-emergency-management
     - Waste and remediation guidance

141. **USGS Water Resources**
     - https://www.usgs.gov/mission-areas/water-resources
     - Water data and research

142. **NOAA Air Resources Laboratory**
     - https://www.arl.noaa.gov/
     - Atmospheric research

143. **CDC National Center for Environmental Health**
     - https://www.cdc.gov/nceh/
     - Environmental health guidance

## Additional Specialized Resources

### Emerging Contaminants

144. **EPA PFAS Information**
     - https://www.epa.gov/pfas
     - PFAS regulatory and technical information

145. **ITRC PFAS Technical and Regulatory Guidance**
     - https://pfas-1.itrcweb.org/
     - PFAS characterization and treatment

146. **EPA Contaminant Candidate List**
     - https://www.epa.gov/ccl
     - Emerging drinking water contaminants

147. **Microplastics in Drinking Water (WHO)**
     - https://www.who.int/publications/i/item/9789241516198
     - Microplastics health assessment

### Green Infrastructure

148. **EPA Green Infrastructure Resources**
     - https://www.epa.gov/green-infrastructure
     - Green infrastructure guidance

149. **Low Impact Development Center**
     - https://lowimpactdevelopment.org/
     - LID design resources

150. **American Rivers Green Infrastructure Resources**
     - https://www.americanrivers.org/green-infrastructure/
     - Urban green infrastructure

### Climate Adaptation

151. **EPA Climate Change Adaptation Resource Center**
     - https://www.epa.gov/arc-x
     - Climate adaptation planning

152. **NOAA Climate Adaptation Resources**
     - https://coast.noaa.gov/digitalcoast/topics/climate-adaptation.html
     - Coastal climate adaptation

153. **Georgetown Climate Center Adaptation Clearinghouse**
     - https://www.adaptationclearinghouse.org/
     - State and local adaptation resources

### Environmental Justice

154. **EPA Environmental Justice Resources**
     - https://www.epa.gov/environmentaljustice
     - EJ guidance and tools

155. **EJScreen: Environmental Justice Screening Tool**
     - https://www.epa.gov/ejscreen
     - EJ screening and mapping

156. **WE ACT for Environmental Justice**
     - https://www.weact.org/
     - Environmental justice advocacy

### Digital Transformation

157. **Water Research Foundation Digital Water Resources**
     - https://www.waterrf.org/
     - Digital water utility resources

158. **Smart Water Magazine**
     - https://smartwatermagazine.com/
     - Digital water technology news

159. **EPA Internet of Water**
     - https://internetofwater.org/
     - Water data infrastructure

160. **IWA Digital Water Programme**
     - https://iwa-network.org/programmes/digital-water/
     - Digital transformation in water sector
