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BROWSE SECTION
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Pretreatment
Stormwater
Permits and Forms
Frequently Asked Questions
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Industrial Storm Water Frequently Asked Questions
Industrial Storm Water Answers
- What is the difference between Municipal Separate Storm Sewer System (MS4) and sanitary sewer systems?
The storm drain or MS4 collects rainwater and discharged it directly to a creek or other water body without any treatment. A discharge to the sanitary sewer goes into the sanitary sewer collection system, then to a treatment facility before it is released to the environment.
- Are discharges at my facility regulated?
Every facility that discharges wastewater are regulated and must be permitted. Read more on Industrial Wastewater and Storm Water Regulations from Texas Commission on Environmental Quality (TCEQ).
- Do I need a permit to discharge to the sanitary sewer?
In order to protect the biological treatment of wastewater at the POTW, there are limits for certain parameters.
- Do I need a permit to discharge to the storm sewer? Or What can be discharged to the storm sewer?
- What are allowable discharges to the storm sewer system?
- Discharges from fire fighting activities and uncontaminated fire hydrant flushing (excluding discharges of hyperchlorinated water, unless the water is first dechlorinated and discharges are not expected to adversely affect aquatic life; uncontaminated fire hydrant flushing include flushing from systems which utilize potable water, surface water, or groundwater that does not contain additional pollutants; uncontaminated fire hydrant flushing do not include systems utilizing wastewater as source water);
- potable water sources (excluding discharges of hyperchlorinated water, unless the water is first dechlorinated and discharges are not expected to adversely affect aquatic life);
- lawn watering and similar irrigation drainage;
- water from the routine external washing of buildings, conducted without the use of detergents or other chemicals;
- water from the routine washing of pavement conducted without the use of detergents or other chemicals and where spills or leaks of toxic or hazardous materials have not occurred (unless all spilled material has been removed);
- uncontaminated air conditioner condensate, compressor condensate, and steam condensate;
- water from foundation or footing drains where flows are not contaminated with pollutants (e.g., process materials, solvents, and other pollutants);
- springs and other uncontaminated ground water;
- What discharges are prohibited?
- What is a NAICS or SIC?
The North American Industry Classification System (NAICS) is a comprehensive demand-oriented product classification system to complement the new supply-oriented industry classification system of Canada, Mexico, and the United States.
The Standard Industrial Classification (SIC) has been replaced by the new North American Industry Classification System (NAICS), but several data sets are still available with SIC-based data. Both SIC and NAICS classify establishments by their primary type of activity.
- What is the Small Business Assistant program from Texas Commission on Environmental Quality (TCEQ)?
- What is the Texas Pollutant Discharge Elimination System (TPDES)?
This state program is for issuing, amending, terminating,
monitoring, and enforcing permits, and imposing and enforcing pretreatment requirements under Clean Water Act and the Texas Water Code and Texas Administrative Code regulations.
- Need information on Pressure Washing?
Pressure washers conducting business within the jurisdiction of the San Antonio Water System are eligible to join the San Antonio Water System Power Wash Program. For registration and registered Power Washers, visit SAWS Power Washing.
- How do I get my GPS location?
GPS coordinates for your location can be determined by using TerraServer-USA Web. The TerraServer-USA Web site provides free public access to maps and aerial photographs of the United States.
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