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Urban Water Quality Issues July 17th, 2008 Greensboro, North Carolina NACAA Annual Meeting & Professional Improvement Conf...
Development Patterns
Ultra Urban Environment <ul><li>Increasing: </li></ul><ul><ul><li>impervious areas </li></ul></ul><ul><ul><li>land value <...
Typical Urban Non-Point Source Pollutant Loading
Typical Urban Non-Point Source Pollutant Loading Algae bloom; York River, 9/9/05 Courtesy Bill Portlock, Chesapeake Bay Fo...
Why is it that this particular design does not have to follow the fundamental unit processes of water quality?
Physics of Settling – Stokes Law Henry Darcy 1803 - 1858 Media Filtration – Darcy’s Law
BMP Evaluation In the Lab; or in the Field?
Lesson 1: Clearly Defined Project Goals <ul><li>Quality Assurance Project Plan </li></ul><ul><li>Conditions and Definition...
Treatment Objectives  and Performance Goals
<ul><li>Particle Size </li></ul>Treatment Objectives  and Performance Goals
Treatment Objectives and  Performance Goals
Treatment Objectives and Performance Goals
Treatment Objectives and Performance Goals
Treatment Objectives and Performance Goals
Lesson 2: Sample Collection Grab samples Flow-paced auto samples
One Grab = One Snapshot Multiple Grabs =Multiple Snapshots
Lesson 3: Site Selection - Location Currituck Gas House Barco, NC
Lesson 3: Site Selection - Simplicity Trench Drain from  up-hill side of pumps Trench Drain on  down-hill side of   Oil-Wa...
<ul><li>1 pipe in and 1 pipe out! </li></ul>Simple is better!
Eliminate Variables and External Influences (MEP) Lesson: All fuel islands should have an Oil/Water Separator
Lesson 4: Learn the 1 st  Law of Monitoring: <ul><li>What Can Go Wrong, Will Go Wrong! </li></ul>
Once upon a time, there was this site . . . <ul><li>10/02 System Maintenance </li></ul><ul><li>10/02 Remote automated samp...
Corrective Action Taken
As Luck Would Have It (or not): <ul><li>1-2/03 Storm Capture </li></ul><ul><li>5/03 Phone Line Disabled by Lightning </li>...
But then . . . <ul><li>9/03 New Automated Sampling  Equipment Installed  </li></ul><ul><li>9/03 System Outfall Area Impact...
 
Hurricane Isabel
<ul><li>2/04 Outfall Area Restored </li></ul>Before After
The Saga Continues: <ul><li>3/04 Storm Capture </li></ul><ul><li>8-9/04 Phone lines and Automated  Sampling Equipment Disa...
Alex, Bonnie, & Earl – 8-9/04
We Are Committed! <ul><li>6/05 Resume Monitoring </li></ul>
No Matter What . . . <ul><li>9/05 Rodents </li></ul>
Corrective Action Taken AND THEN:
We Survived Hurricane Season ‘05
Happily Ever After <ul><li>8/06 Project Completed! </li></ul>
Lesson 5: Predict the Weather and Act Fast
We Got Better! 10% Early 2000’s success rate – Captures vs. Atts. 35 Qualified Storm Events -  (meet DQO of >0.1 in. and >...
Key Elements to a Successful Field Monitoring Project <ul><li>Clearly defined  </li></ul><ul><ul><li>Project Goals </li></...
Adaptive management in action From: Restoration of Puget Sound Rivers Ralph and Poole, 2003 As Conceived in Consensus Buil...
As generally implemented Adaptive management in pieces
Experimentation in the Urban Environment We’re running out of experimental opportunities!
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Joe Battiata

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Urban Water Quality Issues

  1. 1. Urban Water Quality Issues July 17th, 2008 Greensboro, North Carolina NACAA Annual Meeting & Professional Improvement Conference
  2. 2. Development Patterns
  3. 3. Ultra Urban Environment <ul><li>Increasing: </li></ul><ul><ul><li>impervious areas </li></ul></ul><ul><ul><li>land value </li></ul></ul><ul><li>Decreasing </li></ul><ul><ul><li>land availability </li></ul></ul><ul><li>Increasing Need for: </li></ul><ul><li>Space Efficient Best Management Practices </li></ul>
  4. 4. Typical Urban Non-Point Source Pollutant Loading
  5. 5. Typical Urban Non-Point Source Pollutant Loading Algae bloom; York River, 9/9/05 Courtesy Bill Portlock, Chesapeake Bay Foundation
  6. 6. Why is it that this particular design does not have to follow the fundamental unit processes of water quality?
  7. 7. Physics of Settling – Stokes Law Henry Darcy 1803 - 1858 Media Filtration – Darcy’s Law
  8. 8. BMP Evaluation In the Lab; or in the Field?
  9. 9. Lesson 1: Clearly Defined Project Goals <ul><li>Quality Assurance Project Plan </li></ul><ul><li>Conditions and Definitions </li></ul><ul><ul><li>Treatment Objective </li></ul></ul><ul><ul><li>Performance Goals </li></ul></ul><ul><li>Project Description </li></ul><ul><li>Quality Assurance Plan </li></ul>
  10. 10. Treatment Objectives and Performance Goals
  11. 11. <ul><li>Particle Size </li></ul>Treatment Objectives and Performance Goals
  12. 12. Treatment Objectives and Performance Goals
  13. 13. Treatment Objectives and Performance Goals
  14. 14. Treatment Objectives and Performance Goals
  15. 15. Treatment Objectives and Performance Goals
  16. 16. Lesson 2: Sample Collection Grab samples Flow-paced auto samples
  17. 17. One Grab = One Snapshot Multiple Grabs =Multiple Snapshots
  18. 18. Lesson 3: Site Selection - Location Currituck Gas House Barco, NC
  19. 19. Lesson 3: Site Selection - Simplicity Trench Drain from up-hill side of pumps Trench Drain on down-hill side of Oil-Water separator Canopy drain StormFilter Vault Bypass/Diversion manhole Outlet junction manhole
  20. 20. <ul><li>1 pipe in and 1 pipe out! </li></ul>Simple is better!
  21. 21. Eliminate Variables and External Influences (MEP) Lesson: All fuel islands should have an Oil/Water Separator
  22. 22. Lesson 4: Learn the 1 st Law of Monitoring: <ul><li>What Can Go Wrong, Will Go Wrong! </li></ul>
  23. 23. Once upon a time, there was this site . . . <ul><li>10/02 System Maintenance </li></ul><ul><li>10/02 Remote automated sampling equipment Installed </li></ul><ul><li>11/02 Remote automated sampling equipment disabled by insect infestation </li></ul>
  24. 24. Corrective Action Taken
  25. 25. As Luck Would Have It (or not): <ul><li>1-2/03 Storm Capture </li></ul><ul><li>5/03 Phone Line Disabled by Lightning </li></ul><ul><li>6/03 Automated Sampling Equipment Fried by Lightning </li></ul>
  26. 26. But then . . . <ul><li>9/03 New Automated Sampling Equipment Installed </li></ul><ul><li>9/03 System Outfall Area Impacted by Adjacent Construction Activities and Heavy Storms </li></ul>
  27. 28. Hurricane Isabel
  28. 29. <ul><li>2/04 Outfall Area Restored </li></ul>Before After
  29. 30. The Saga Continues: <ul><li>3/04 Storm Capture </li></ul><ul><li>8-9/04 Phone lines and Automated Sampling Equipment Disabled by Lightning (again); AND </li></ul>
  30. 31. Alex, Bonnie, & Earl – 8-9/04
  31. 32. We Are Committed! <ul><li>6/05 Resume Monitoring </li></ul>
  32. 33. No Matter What . . . <ul><li>9/05 Rodents </li></ul>
  33. 34. Corrective Action Taken AND THEN:
  34. 35. We Survived Hurricane Season ‘05
  35. 36. Happily Ever After <ul><li>8/06 Project Completed! </li></ul>
  36. 37. Lesson 5: Predict the Weather and Act Fast
  37. 38. We Got Better! 10% Early 2000’s success rate – Captures vs. Atts. 35 Qualified Storm Events - (meet DQO of >0.1 in. and >72 hr. antecedent conditions); hindsight 29% Successful Captures (10) vs. Opportunities (35) 43% Successful Captures (10) vs. Attempts (23) 23 Attempts to capture storm samples 68 Days with measurable precipitation
  38. 39. Key Elements to a Successful Field Monitoring Project <ul><li>Clearly defined </li></ul><ul><ul><li>Project Goals </li></ul></ul><ul><ul><li>Data Quality Objectives </li></ul></ul><ul><ul><li>Methods </li></ul></ul><ul><li>Appropriate Site Selection </li></ul>Dedicated Project Team
  39. 40. Adaptive management in action From: Restoration of Puget Sound Rivers Ralph and Poole, 2003 As Conceived in Consensus Building Process As Designed in Consensus Building Process
  40. 41. As generally implemented Adaptive management in pieces
  41. 42. Experimentation in the Urban Environment We’re running out of experimental opportunities!
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    Jun. 19, 2010

Joe Battiata

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