Remediation - Case Studies

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California Community Chooses Siemens Water Technologies For Removal of Perchlorate From Primary Drinking Wells

The Lincoln Avenue Water Company needed a treatment system for the removal of perchlorate from their primary wells. The company provides 2,000 gpm of drinking water to the community of Altadena, California. Recent water analysis from the wells indicated perchlorate levels above California's Pubic Health goal of 6 ppb.

California Water Services Company Commences 10-year Contract for Treatment of Nitrate and Perchlorate in Community Water System

The community has approximately 100 connections and is located in a remote agricultural section of the Central Valley. Annual well testing had shown levels of Nitrate at or near the Maximum Contamination Level (MCL) of 45 ppm NO3, also perchlorate was found in the groundwater at levels above the PublicHealth Goal (PHG) at 10 ppb.

City of Detroit Utilizes Midas® OCM to Remove H2S Odors at Collapsed Sewer

The Detroit Water and Sewer Department experienced a sewer collapse, resulting in the need to bypass, creating up to 120 ppm of H2S gas and odors at the drop shaft one half mile away. Westates Carbon Rolloff containers were installed onsite eliminating the sewer odors four days after receipt of the signed contract.

City of Fresno,CA Forced to Treats Previous Nitrate-contaminated Drinking Wells To Meet Population Increase and Summer Drought

In response to population increases and possible summer drought conditions, the City of Fresno was forced to search for additional water sources and consideration of returning their nitrate contaminated wells to service..

City of Steinhatchee, FL Relies on Siemens

During construction of a retaining pond for a new housing development, the building contractor caused contamination of the aquifer that supplies drinking water to this resort town. Contamination included the presence of fecal coliform and cryptosporidium beyond compliance levels and a visible discoloration.

Cucamonga Valley Water District Looks to Siemens for Nitrate Removal

The Cucamonga Valley Water District (CVWD) receives a significant portion of their water from the Los Angeles Metropolitan Water District (MWD). The MWD determined that there was an imminent chance of failure in the supply line to the city and notified the CVWD that they would need to shut off their supply for several weeks while repairs were made.

Hexavalent Chrome Contamination Treatment for Public Drinking Water Supply

The City of Colby, Kansas initiated a capital purchase and 3-year renewable service contract to treat chromate contaminated groundwater on the Ogalala drinking water aquifer.

HMO Process and Manganese Greensand Filters Reduce Radium at Knoxville Water Treatment Plant

When the city of Knoxville, Iowa, built a new water treatment plant in the fall of 1994, they required a treatment scheme that would remove iron and radium from the ground water supply in a single process. They also wanted a system that would need only minimal operator attention and maintenance.

One of the First Full-Scale Perchlorate Treatment Systems in a Northeast US Public Drinking Water Supply Installed by Siemens

In a statewide survey of municipal MA wells, two wells in question were found to have perchlorate concentration levels averaging 15 and 46 ppb (respectively) which exceeded the State of Massachusetts Department of Environmental Protection (MA DEP) Public Health Goal limits.

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