1 / 18

Get out Obj #9 &10 for a stamp Review for today’s quiz Obj #1-10 Pass back the permission slip!

Get out Obj #9 &10 for a stamp Review for today’s quiz Obj #1-10 Pass back the permission slip!. Where does your water come from?. Houston Water sources:. Lake Livingston (806 MGD) Lake Conroe (60 MGD) Lake Houston (150 MGD) Evangeline aquifer.

eagan
Download Presentation

Get out Obj #9 &10 for a stamp Review for today’s quiz Obj #1-10 Pass back the permission slip!

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Get out Obj #9 &10 for a stamp • Review for today’s quiz Obj #1-10 • Pass back the permission slip!

  2. Where does your water come from?

  3. Houston Water sources: Lake Livingston (806 MGD) Lake Conroe (60 MGD) Lake Houston (150 MGD) Evangeline aquifer

  4. 1. Screening2. Coagulationalum3.Sedimentation4. Filtration5. disinfection:chlorineUV raysozone

  5. Check out the 2012 water report • Identify: • Five radioactive particles. • One fat soluble herbicide • One heavy metal which causes brain damage • Three organic chemicals that probably come from petroleum refineries • How many of these contaminants were higher than the Maximum Containment Level? (MCL)

  6. Overdraft – taking more water OUT of an aquifer than is recharging IN to the aquifer • (What would happen to your bank account if you did this?) Consequences of using our ground water

  7. Water has mass in an aquifer

  8. Subsidence – sinking of land due to aquifer overdraft

  9. Baytown – Brownwood subdivision

  10. Brownwood 1953

  11. Brownwood 1978

  12. Baytown Nature Center today

  13. Saltwater intrusion

  14. Houston is switching to just surface water to protect the city from further subsidence. • Overdraft leads to subsidence 

  15. What is the role of alum in water treatment? • What materials is the filtration system made out of ? • Why is chlorine added to our drinking water? • Why is fluoride added to our drinking water? • How are subsidence and overdraft related? • Why does it matter that our drinking water supplies are downstream of Dallas? Check for understanding

More Related