Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins
! This page will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline.

USGS 08039100 Ayish Bayou nr San Augustine, TX

  Stream Site

DESCRIPTION:
Latitude 31°23'46",   Longitude 94°09'03"   NAD27
San Augustine County, Texas, Hydrologic Unit 12020005
Drainage area: 89.0 square miles
Contributing drainage area: 89.0 square miles,
Datum of gage: 190.22 feet above   NGVD29.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2007-12-16  2026-01-15  
 Daily Data
    Discharge, cubic feet per second  1959-02-17  1985-09-30  9723 
    Gage height, feet  1997-10-01  2014-09-30  6133 
 Daily Statistics 
    Discharge, cubic feet per second  1959-02-17  1985-09-30 9723 
    Gage height, feet  1997-10-01  2014-09-30 6133 
 Monthly Statistics 
    Discharge, cubic feet per second  1959-02  1985-09  
    Gage height, feet  1997-10  2014-09  
 Annual Statistics 
    Discharge, cubic feet per second  1959  1985  
    Gage height, feet  1998  2014  
 Peak streamflow 1958-09-21  2024-01-24  67 
 Field measurements 1959-02-17  2025-02-13  352 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 2000-08-02  2000-08-02  1 
 Water-Year Summary 2005  2014  10 
 Revisions  Loading...
OPERATION:
Record for this site is maintained by the USGS Texas Water Science Center
Email questions about this site to Texas Water Science Center Water-Data Inquiries