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10636 – Attoyac at SH 21

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  • 10636 – Attoyac at SH 21
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    10636 – Attoyac at SH 21

    October 28, 2022
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    Attoyac at SH 21 - TCEQ ID: 10636

    Site Description

    Attoyac Bayou at SH 21; 0.71 km West of the intersection of SH 21 and FM 1196; 4.77 km East of Chireno.

    Segment Description

    Segment 0612 – Attoyac Bayou. Attoyac Bayou is a freshwater stream measuring 81.7 miles in length from a point 3.9 km (2.4 miles) downstream of Curry Creek in Nacogdoches/San Augustine County to FM 95 in Rusk County. The designated uses for this segment include the following: high aquatic life, general, contact recreation, and public water supply. The area surrounding the watershed is managed for agricultural (cattle and poultry), silvicultural, recreational, and wildlife uses. The watershed contains many rural residents. This segment has three areas that are listed on the 303(d) list due to bacteria.

    Monitoring Performed Quarterly

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

     

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    Monitoring Stations

    0604 - Neches River below Lake Palestine
    • 10478 – Cedar Creek at FM 2497
    • 10479 – Cedar Creek at Loop 287
    • 10487 – Hurricane Creek at Loop 287
    • 10492 – Jack Creek at FM 2497
    • 10493 – Jack Creek at SH 94
    • 10494- Jack Creek at FM 3150
    • 10499 – Biloxi Creek at County Road 216
    • 10585 – Neches River at US 69
    • 13528 – Cedar Creek at FM 1336
    • 13529 – Hurricane Creek at SH 324
    • 16096 – Piney Creek at FM 358
    • 16097 – Biloxi Creek at FM 1818
    • 16098 – Buck Creek at FM 1818
    • 17339 – Lake Ratcliff
    • 21433 – Hurricane Creek below Kiwanis Park
    • 21434 – Cedar Creek at Ellis Ave
    0610 - Sam Rayburn
    • 15361 – Ayish Bayou at SH 103
    • 15523 – Sam Rayburn Reservoir Adjacent To Alligator Cove
    • 15524 – Sam Rayburn Reservoir near Shirley Creek
    • 21100 – Sam Rayburn Reservoir downstream of Marion’s Ferry
    • 21431 – Ayish Bayou at West Columbia Street
    • 21432 – Carrizo Bayou at SH 21
    0611 - Angelina River above Rayburn
    • 10474 – La Nana Bayou at CR 526
    • 10532 – Mud Creek at US 84
    • 10630 – Angelina River at SH 21
    • 10633 – Angelina River at SH 204
    • 10635 – Angelina River at FM 1798
    • 14477 – Mud Creek at US 79
    • 15801 – Lake Nacogdoches, Main Pool
    • 16301 – La Nana Bayou at N Loop 224
    • 17822 – Lake Striker, Upper Lake
    • 17824 – Lake Striker, Upper Lake
    • 20792 – La Nana Bayou at East Main
    • 21021 – Lake Nacogdoches, Upper Lake
    • 21429 – Bowles Creek at CR 4194
    • 21430 – Johnson Creek at CR 476
    0612 - Attoyac Bayou
    • 10636 – Attoyac at SH 21
    • 15253 – Attoyac at SH 7
    • 16076 – Attoyac at US 59
    • 20845 – West Creek at FM 2913
    • 21435 – Lake Naconiche, Main Pool

    The Angelina & Neches River Authority shall conserve, store, control, preserve, use, and distribute the stormwater, floodwater, and the water of the rivers and streams of the state in the Neches River Basin for the benefit of the human environment and the natural environment.

    Latest News

    • Notice of Non-Compliance with TCEQ Requirements – Prairie Grove Utilities
      April 9, 2026
    • Boil Water Notice Rescinded for Woodlawn Water Utilities
      April 4, 2026
    • Boil Water Notification for Woodlawn Water Utilities Customers west of Jack Creek
      April 2, 2026
    • Upcoming Repair Activities Woodlawn Water Utilities
      March 27, 2026
    • Boil Water Notice Rescinded for Central Heights Utilities
      January 28, 2026

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    • Prairie Grove Utilities
    • Woodlawn Water Utilities

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