Water & Wastewater Treatment Systems 310 361-7995 CONTACT Water Treatment Particulate and contaminate removal. Speak with an Engineer Home - Water & Wastewater Products - Water Treatment Potential water treatment processes for inorganic contaminants can be grouped into three categories: physical, chemical, and biological. Typical contaminants of concern in industrial waters include suspended metals, dissolved metals, nitrate, sulfate, and cyanide. Common metals and metalloids include arsenic, antimony, selenium, lead, copper, cadmium, and zinc. Physical treatment technologies can be further divided into the following categories: Iron and Manganese Removal Arsenic Removal Perchlorate Removal Nitrate Removal- Ion Exchange Emergency Chlorine Scrubber Consult with an Engineer DECADES OF EXPERIENCE. 24/7 SUPPORT. Call or message us today to learn how partnering with EWS can make your project a reliable success. Email Address * Text Tell us about your project... CONNECT 310-667-4377 Southern California 13720 Cimarron Avenue Gardena, CA 90249 p: 310.667.4377 fax: 310.667.4395 Linecard Northern California 4171 Suisun Valley Rd. Suite H2 Fairfield, CA 94534 p: 415.883.9605 fax: 415.883.9606 Linecard Other EWS Companies McKenna Engineering Process Solutions & Integration, Inc. SoCal Pump & Vacuum Subscribe to our Email Blasts Email Subscribe