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Septic Threat Assessment with Spatial Indexing: Lessons Learned

Authors: Edward Carter
Owners: Edward Carter
Resource type:Composite Resource
Created:May 01, 2018 at 8:28 p.m.
Last updated: May 01, 2018 at 8:35 p.m. by Edward Carter


Septic Area Threat Assessment with Spatial Indexing
(lessons learned)

Switching from onsite disposal systems, usually septic tanks, to sewage treatment is one way to reduce nutrient loading to groundwater and the water bodies downstream. Spatial indexing helps identify trouble areas where conversion to sewer provides greater nutrient reductions to groundwater and the environment. There are several agencies looking at this same issue and using different methods. This poster illustrates one simple method that has been evaluated along with challenges in data acquisition, factor selection, and choice of weighting factors associated with the process. Results from this method of spatial indexing are presented for several Florida locations.

Subject Keywords

Spatial Indexing,OSTS,AWRA2018,Septic Tanks

How to cite

Carter, E. (2018). Septic Threat Assessment with Spatial Indexing: Lessons Learned, HydroShare, http://www.hydroshare.org/resource/f6163b856a10414cbcdaf29d1360b3fc

This resource is shared under the Creative Commons Attribution CC BY.


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  • Public Resource  Public
  • Sharable Resource  Shareable


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The people or organizations that created the intellectual content of the resource.

Name Organization Address Phone Author Identifiers
Edward Carter SJRWMD


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Edward Carter 7 months, 1 week ago

I wanted to thank Erica Hernandez and Andy Canion for their guidance and ground breaking.



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