Read the City's water quality protection publications.
Generally, there are six categories of data collected:
A more complete description of the parameters and methods for the most recent sample years are provided in the introduction to the Watershed Summary Report More detailed information on the specific methods for field and lab analysis in addition to metrics for determining scores is located in report COA-ERM-1999-01 Environmental Integrity Index Methodology, May 31, 2002 edition.
Detailed information for each watershed from the EII report can be accessed by clicking on the watershed name from the list below. In addition, a general summary of each watershed can be accessed at the Watershed Fact Sheets.
|Phase 1 – 2015||Phase II – 2016|
|Barton Creek||Bear Creek|
|Blunn Creek||Bee Creek|
|Boggy (North) Creek||Bull Creek|
|Buttermilk Creek||Carson Creek|
|Country Club Creek||Cottonmouth Creek|
|Decker Creek||Dry Creek East|
|East Bouldin Creek||Dry (North) Creek|
|Elm Creek||Eanes Creek|
|Fort Branch||Lake Austin Tributaries (6)|
|Gilleland Creek||Lake Creek|
|Harpers Branch||Little Barton Creek|
|Harris Branch||Little Bear Creek|
|Johnson Creek||Little Bee Creek|
|Little Walnut Creek||Marble Creek|
|Shoal Creek||North Fork Dry|
|Tannehill Branch||Onion Creek|
|Waller Creek||Rattan Creek|
|West Bouldin Creek||Slaughter Creek|
|Williamson Creek||South Boggy Creek|
|South Fork Dry|
|Taylor Slough (North)|
|Taylor Slough (South)|
We have developed a watershed viewer, so it is easy to find out what watershed you live in and to find out its Environmental Integrity Index score.