Ayish Bayou at SH 103 - TCEQ ID: 15361

Site Description

Ayish Bayou at SH 103; 0.8 km East of FM 705.

Segment Description

Segment 0610A - Ayish Bayou (unclassified water body). Ayish Bayou is a 32 mile-length freshwater stream extending from the confluence of Sam Rayburn Reservoir south of San Augustine in San Augustine County to the upstream perennial portion of the stream north of San Augustine in San Augustine County. This stream segment, including the upper, middle, and lower portions, is listed on the 303 (d) list for bacteria. Currently, it is classified under a 5a category. The first year this water body was listed for impairments was 2000.

Monitoring Performed Quarterly

Field Parameters Conventional Parameters Bacterial Parameters
Dissolved Oxygen Ammonia-N E. coli
Days Since Last Significant Rainfall Chloride  
Flow Severity Chlorophyll-a  
Instantaneous Stream Flow Pheophytin-a  
pH Sulfate  
Present Weather Total Dissolved Solids (TDS)  
Secchi Transparency Total Nitrate+Nitrite  
Specific Conductance Total Phosphorus  
Total Water Depth Total Suspended Solids (TSS)  
Water Temperature    

 

Photos

  • Upstream April 2010

    Facing northeast, looking upstream from highway. Photo taken 2010-04-10

  • Upstream May 2011

    Facing northeast, looking upstream from below bridge. Photo taken 2011-05-03

  • Downstream May 2011

    Facing southwest, looking downstream from below bridge. Photo taken 2011-05-03

360 Degree View - click here to open in a new window


Map