Tressie Word

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  • Tressie Word

    1. 1. A Wastewater Treatment, Reuse and Outreach Program at the Autonomous University of Benito Juarez in Oaxaca, Mexico by Tressie Word, M.S. Winzler & Kelly Consulting Engineers
    2. 2. the intro. <ul><li>Concept </li></ul><ul><li>Context </li></ul><ul><li>Outreach </li></ul><ul><li>Technology </li></ul><ul><li>Lessons learned </li></ul><ul><li>Outcomes </li></ul><ul><li>Next steps </li></ul>
    3. 3. <ul><li>Build capacity in natural wastewater treatment, reuse and watershed management in the Oaxaca Valley </li></ul><ul><li>Capacity building is the creation of an enabling environment with appropriate policy, legal frameworks & institutional development; including community participation, development of resources & strengthening of managerial systems (UNDP, 1991). </li></ul><ul><ul><li>A long-term, continuing process that involves all stakeholders </li></ul></ul>the concept.
    4. 4. the approach.
    5. 5. the players. <ul><ul><li>Humboldt State University (HSU) </li></ul></ul><ul><ul><li>Universidad Autonómica de Benito </li></ul></ul><ul><ul><li>Juárez de Oaxaca (UABJO) </li></ul></ul><ul><li>Associated organizations </li></ul><ul><ul><ul><li>Dr. Robert Gearheart, HSU Professor </li></ul></ul></ul><ul><ul><ul><li>Peter Haase, Principal Engineer, Fall Creek Engineering </li></ul></ul></ul><ul><ul><ul><li>~ HSU Volunteer </li></ul></ul></ul><ul><ul><ul><li>Tressie Word, Staff Engineer, Winzler & Kelly ~ HSU Lecturer </li></ul></ul></ul><ul><ul><ul><li>Administration </li></ul></ul></ul><ul><ul><ul><li>Chemistry Department Faculty, Students & Staff </li></ul></ul></ul><ul><ul><ul><li>Institute of Nature and Society of Oaxaca </li></ul></ul></ul><ul><ul><ul><li>Rio Salado Watershed Committee </li></ul></ul></ul><ul><ul><ul><li>Federal, State and Local Water Commissions </li></ul></ul></ul><ul><ul><ul><li>Oaxaca Secretary of Health </li></ul></ul></ul>
    6. 6. the funds. <ul><li>Current Sources </li></ul><ul><ul><li>UABJO </li></ul></ul><ul><ul><li>Private Individuals </li></ul></ul><ul><ul><li>Private Companies </li></ul></ul><ul><ul><li>State of Oaxaca </li></ul></ul><ul><li>Potential Sources </li></ul><ul><ul><li>- National Water Commission </li></ul></ul><ul><ul><li>of Mexico (CNA) </li></ul></ul><ul><ul><li>National Secretary of Environment and Natural Resources (SEMARNAT) </li></ul></ul><ul><ul><li>Secretary of Health of Oaxaca (SSO) </li></ul></ul><ul><ul><li>Secretary of Social Development of Oaxaca (SEDESOL) </li></ul></ul><ul><ul><li>- Inter-American Development Bank </li></ul></ul><ul><ul><li>- North American Development Bank </li></ul></ul>
    7. 7. the specifics. <ul><li>Establish local need & engagement </li></ul><ul><li>Pursue funding </li></ul><ul><li>Outreach program </li></ul><ul><ul><ul><li>Monitoring & recording wastewater data </li></ul></ul></ul><ul><ul><ul><li>Educational, technical & operational guidance </li></ul></ul></ul><ul><ul><ul><li>Development of a technical support network </li></ul></ul></ul><ul><ul><ul><li>International exchange opportunities </li></ul></ul></ul><ul><li>Workshop series </li></ul><ul><ul><ul><li>Four annual participative workshops </li></ul></ul></ul><ul><li>On-campus demonstration facility </li></ul><ul><ul><ul><li>Natural wastewater treatment & reclamation </li></ul></ul></ul>
    8. 8. the context.
    9. 9. the status of water and wastewater in Mexico. <ul><li>Over-exploitation of </li></ul><ul><li>water resources (INEGI, 2007) </li></ul><ul><li>Insufficient or lacking </li></ul><ul><li>wastewater sanitation measures (CNA, 2004) </li></ul><ul><ul><li>Infrastructure </li></ul></ul><ul><ul><li>Operation & maintenance </li></ul></ul><ul><ul><li>Monitoring </li></ul></ul>
    10. 10. (CNA, 2004)
    11. 12. (CNA, 2004) 20% to 35% of wastewater is treated in Mexico (INEGI, 2007)
    12. 13. the effects. <ul><li>Environment </li></ul><ul><li>Contamination of potable water resources (Briscoe, 1993) </li></ul><ul><li>Ecosystem imbalances </li></ul><ul><li>(Welch & Lindell, 1992) </li></ul><ul><li>Pollution of soils & agricultural produce (INEGI, 2007) </li></ul>
    13. 14. the effects. <ul><li>Human Health </li></ul><ul><li>Pathogens cause gastro-intestinal infections, typhoid, cholera & dysentery </li></ul><ul><li>Toxic chemicals from industry, agriculture & urban areas cause harmful effects </li></ul>
    14. 15. the status of wastewater in Oaxaca de Juárez, Oaxaca. <ul><li>Population 256,130 </li></ul><ul><li>Activated sludge treatment (still starting-up) </li></ul><ul><li>In the very recent past, most wastewater was discharged directly to rivers (Atoyac, Salado & Jaltlaco) & streets </li></ul>http://www.tomzap.com/coaxaca.html
    15. 16. the status of wastewater in communities surrounding Oaxaca de Juárez.
    16. 17. the UABJO project goals. <ul><li>Goals </li></ul><ul><ul><li>On-campus infrastructure improvements </li></ul></ul><ul><ul><ul><li>Ecological wastewater treatment & and reuse </li></ul></ul></ul><ul><ul><ul><li>Water quality monitoring capacity </li></ul></ul></ul><ul><ul><li>Improve water & wastewater conditions in the Oaxaca Valley </li></ul></ul><ul><ul><li>Enhance community relations </li></ul></ul><ul><ul><li>Support applied research efforts </li></ul></ul><ul><ul><li>Expand international exchange opportunities </li></ul></ul>
    17. 18. the workshop participants. <ul><li>Collaborative efforts involving governments, private firms & civil society strongly support project success (UNWWAP, 2006) </li></ul><ul><li>Government </li></ul><ul><li>Water authorities </li></ul><ul><li>Industry </li></ul><ul><li>Academia </li></ul><ul><li>Plant managers & operators </li></ul><ul><li>Private sector </li></ul><ul><li>Concerned citizens </li></ul>Workshop 1
    18. 19. the workshop foci. <ul><li>Workshop 1: Natural Wastewater </li></ul><ul><li>Treatment System Science & Design </li></ul><ul><li>Workshop 2: Watershed and Wastewater Management Permitting, Funding Sources, and Laws </li></ul><ul><li>Workshop 3: Sustainable Technologies and Monitoring for Watershed Protection, Wastewater Treatment and Reuse </li></ul><ul><li>Workshop 4: Watershed and Wastewater Management Technique Start-up, Troubleshooting, Operation and Maintenance </li></ul>
    19. 20. the demonstration project. Goal: Create a natural, simple, inexpensive, low-maintenance, energy efficient, wastewater treatment & reclamation project
    20. 21. the technology. <ul><li>Upflow Anaerobic Sludge Blanket </li></ul><ul><li>Facultative Lagoon </li></ul><ul><li>Free Surface Wetlands </li></ul><ul><li>Filtration </li></ul><ul><li>Storage </li></ul><ul><li>Subsurface Irrigation </li></ul>
    21. 22. the technology.
    22. 23. front view side view upflow anaerobic sludge blanket
    23. 24. the technology. <ul><li>Meets secondary treatment effluent standards for water reuse (Wendland et al, 2006) </li></ul><ul><li>Demands low energy </li></ul><ul><li>Produces little sludge </li></ul><ul><li>Requires simple operation & maintenance </li></ul>
    24. 25. the permits. <ul><li>UABJO Project </li></ul><ul><ul><li>Permit Requirements Waived </li></ul></ul><ul><ul><ul><li>Autonomous University </li></ul></ul></ul><ul><ul><ul><li>Pilot project </li></ul></ul></ul><ul><li>General Process </li></ul><ul><ul><li>Environmental Impact Report </li></ul></ul><ul><ul><li>Design approval process </li></ul></ul><ul><ul><li>Permit required from the National Water Commission </li></ul></ul>
    25. 26. the construction.
    26. 27. the team. Final Design & Construction
    27. 28. site visit: feb 2007.
    28. 29. site visit: aug 2007.
    29. 30. the final product.
    30. 33. the outreach. <ul><li>Guendulain </li></ul>
    31. 34. <ul><li>Tlacalula </li></ul>
    32. 35. <ul><li>Tlacalula </li></ul>
    33. 36. <ul><li>Mitla </li></ul>
    34. 37. <ul><li>Huayapam </li></ul>
    35. 38. Huayapam
    36. 39. the challenges. <ul><li>Political climate </li></ul><ul><li>Cultural differences </li></ul><ul><li>Communication </li></ul><ul><li>Coordination </li></ul><ul><li>Funding </li></ul><ul><li>Regulatory enforcement </li></ul><ul><li>Weather </li></ul>
    37. 40. the lessons. <ul><li>Employ sincere cultural & political sensitivity </li></ul><ul><ul><li>Changes in government & administration have broad, immediate implications </li></ul></ul><ul><li>Anticipate emergent events & weak points </li></ul><ul><li>Maintain long-term presence </li></ul><ul><li>Support solid local engagement in project components </li></ul><ul><ul><li>Apply flexible, transparent, engaged problem solving practices </li></ul></ul><ul><li>Provide appropriately complex operation, maintenance & evaluation guidelines </li></ul>
    38. 41. the outcomes. <ul><li>On-campus wetland wastewater treatment, reuse & demonstration system </li></ul><ul><li>Establishment of a university wastewater outreach program </li></ul><ul><ul><li>Local information network on wastewater treatment technology </li></ul></ul><ul><ul><li>Local wastewater monitoring program </li></ul></ul>
    39. 42. the outcomes. <ul><li>The implementation of two constructed wetland wastewater treatment plants stemmed from the first workshop </li></ul><ul><ul><li>Matatlan (~9,000 Inhabitants) </li></ul></ul><ul><ul><li>Tlalixtac (~10,000 Inhabitants) </li></ul></ul><ul><li>The workshop series continues </li></ul>
    40. 43. the future. <ul><li>Provide a venue to create an Oaxaca Committee for Water, Environmental and Health </li></ul><ul><li>Support surrounding communities to implement appropriate water and wastewater projects </li></ul><ul><li>Expand UABJO international exchange opportunities </li></ul><ul><li>Develop of a local wastewater technical support network </li></ul><ul><li>Continue technical support for UABJO demonstration and outreach programs </li></ul>
    41. 44. <ul><li>The Appropedia Foundation: Living library of sustainable development projects in the developing world </li></ul><ul><ul><li>http://www.appropedia.org </li></ul></ul><ul><li>Institute of Nature and Society of Oaxaca: Studies, publications and outreach in Oaxaca, Mexico on watershed management and sustainable development </li></ul><ul><ul><li>http://insooaxaca.com </li></ul></ul><ul><li>My email: tressieword@w-and-k.com </li></ul>some resources.
    42. 45. ¿ questions?

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