At the Water Authority of Western Nassau County’s (WAWNC) Plants 28 and 30, 7.0 MGD of potable drinking water is supplied to consumers through a series of four groundwater wells. Iron concentrations at both plants had exceeded the established standard and rendered the existing treatment […]
South Farmingdale Water District was ready for an upgrade to its iron removal system. The existing system had been designed and constructed in 1998 and used a Ferrosand for filtering. Experiencing reduced back wash run times and iron clogging, the District chose H2M for the […]
Routine inspection of the South Huntington Water District’s Plant 13 concrete tank revealed deficiencies that needed to be addressed. The concrete dome roof was in poor condition. Patch repairs weren’t holding. Something was going to give. The District hired H2M to design a replacement for […]
Plainview Water District’s 1.25 million-gallon elevated water tank, constructed in 1970, was in need of a full interior and exterior coatings rehabilitation. Inspection of the carbon steel tank revealed that its existing coatings system had reached the end of its expected service life and was […]
Looking for a rehabilitation of one of their three water tanks, the City of Yonkers called H2M. After performing a structural and coating systems evaluation on the 1 million gallon steel elevated storage tank, H2M recommended full rehabilitation of the interior and exterior coatings. The […]
Adding to their Master Plan, the Borough of Leonia chose H2M to prepare a new element to their master plan. A Green Building and Environmental Sustainability Plan Element would help Leonia guide land-use decisions and provide a basis for ordinance addressing sustainability and land use […]
When West Hempstead Water District was ready to start developing their digital water supply and distribution system management program, they asked H2M to create a new GIS. In the process, we converted their existing AutoCAD-based distribution map into an ArcGIS geodatabase format. The new GIS […]
Long Island American Water (LIAW) was concerned about the condition of two of its water mains; crossing the Reynolds Channel, both mains serve as transmission mains to supply water to the Village of Atlantic Beach, a barrier beach community located on the south shore of […]
The Hicksville Water District faced a difficult task when high levels of nitrates and volatile organic compounds (VOCs) were found in two of their water supply wells. The source of the contamination was determined to be former residential septic systems that were still in place, […]
If a new house went up on your block, would you bake a cake, take a walk over to your new neighbors, and welcome them to the neighborhood? Not in this case. If you happen to live on Meleny Road in Locust Valley, your new […]
When the South Farmingdale Water District sought to enhance their existing water supply and distribution system management program, they turned to H2M to create a GIS to meet their needs. And when they decided that they would need on-the-go access to their data, they requested […]
What does it take to revitalize a struggling downtown in the midst of an economic downturn? Leadership, public and private investment, and community support—not to mention a first-class wastewater treatment plant. With H2M’s help, the Village of Patchogue, NY, recently upgraded and expanded their Wastewater […]
The Greenlawn Water District owns and maintains the tallest water storage tank on Long Island. At 219 feet above grade, the tank holds 1 million gallons of water to help support water pressures to Greenlawn’s 12,000 customers. H2M performed preliminary inspection, prepared plans and specifications […]
Located within New Jersey’s Passaic County, the Borough of Ringwood’s water utility needed upgrades to its outlying area—the Upper Ringwood Service Area. H2M was retained to provide reliable, quality water supply without excessive levels of unaccounted water loss. Long-term solutions for reliable water service were […]
With Wells 7-1 and 7-2 impacted by contamination, H2M was retained by the South Huntington Water District (SHWD) to evaluate and determine the most viable and cost-effective VOC-removal treatment technology. H2M prepared an engineering study for SHWD to evaluate available VOC removal alternatives, which concluded […]
