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Biosolids and Sewage Sludge

Find content on the beneficial use and disposal of biosolids or sewage sludge, water treatment plant residuals, and domestic septage.

Beneficial Use or Disposal

Biosolids from Sludge: What Are They and How Are They Used?

Describes the nature and beneficial use—or land application—of biosolids (treated domestic sewage sludge), water treatment plant residuals, and domestic septage in Texas.

Pending Applications for Biosolids and Sewage Sludge Permits

Information and documents related to pending individual permit applications to land-apply or dispose of sewage sludge or biosolids from wastewater treatment plants.

Sewage Sludge and Biosolids: Am I Regulated?

Activities involved in the disposal or beneficial use of sewage sludge and biosolids, water treatment plant residuals, and domestic septage may require obtaining a permit or a registration or notifying TCEQ.

Reporting for Biosolids and Sludge 

Annual and Quarterly Reports for Class B Biosolids

Reporting periods, how and what to report, and links to forms to use if you land apply Class B biosolids.

Sewage Sludge Reporting: NeT-Biosolids (NETBIO)

Find out how to submit sludge data to TCEQ for your Texas Pollutant Discharge Elimination System (TPDES) permit for domestic wastewater.

Transporting Sludge 

Sludge Transporters: Am I Regulated?

Find out the types of waste and associated activities that require you to follow TCEQ regulations for transporters and haulers.

Contact Information 

For questions or additional information about land applying or disposing of sewage sludge or biosolids, domestic septage, or water treatment residuals, please contact the Land Application Team of the TCEQ Water Quality Division at P.O. Box 13087, MC-150, Austin, Texas 78711-3087. Call (ask for Biosolids program) 512-239-4671 or email biosolids@tceq.texas.gov

For questions about transporting sludge, contact the sludge transporter registration section in the Occupational Licensing and Registration Division at P.O. Box 13087, MC-129, Austin, TX 78711-3087. Call 512-239-6413, fax 512-239-6410, or email streg@tceq.texas.gov