
The ABC’s of Engineering: What is TSS?
Total Suspended Solids (TSS) are tiny particles—such as sediment, dirt, organic matter, and debris—that are carried by stormwater runoff. When these particles enter streams, rivers, and lakes, they can reduce water quality, harm aquatic habitats, and transport pollutants like phosphorus, heavy metals, and bacteria. In New Jersey, managing TSS is a key component of stormwater design. The state’s stormwater regulations




