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The Parkland sanitary District is located south of Superior Wisconsin and serves approximately 334 customers within its district boundaries. At the time of the districts creation, wastewater treatment in homes and businesses was accomplished y individual septic systems and holding tanks. A significant number of theses septic systems were failing resulting in odor in the area. The tight clay soil, numerous wetlands, and high groundwater table made replacement of the individual septic systems with code compliant systems difficult, and when possible, expensive to install. Thus many homes would have been forced to rely on holding tanks with associated pump out costs. The relatively small size of the community limits the ability of the district to raise funds for the construction and operation of a new wastewater collection and treatment system.
In addition, the District desired to have a method to bill each individual user for the volume of wastewater generated at each user location. The District also had to monitor flows of discharge to the City of Superior collection system (for billing purposes) and comply with the City of Superior's requirement to cease flow of storage if tanks in the City's collection system were full.
While working with the District through a facility planning process, MSA determined that the most cost effective solution was to design and construct a low pressure sewer collection system and pump to the nearby City of Superior. An agreement between the City and Sanitary District was signed with a stipulation that a holding basin be included in the Parkland system. The holding basin will store waste water during peak storm events when the City temporarily can not accept flows due to capacity limitations in the City's collection system. The new systems includes over 92,000 lineal feet of low pressure sewer, a 1 million gallon holding basin; four lift stations and a new District garage.
To address the District's desire for an individual billing system, an automated control and billing system with real time monitoring of more that 334 grinder stations and the total flow to the City of Superior was designed. The system is a multi-level secure wireless Supervisory Control and Data Acquisition (SCADA) system. This system tracks usage at each of the 334 site and creates proportional invoices automatically. The SCADA system has features like remote access and control by use of Smart Phones. Total flow measurement was provided by a magnetic flow meter meeting the City of Superior requirements and real time flows are transmitted to the City.
The District obtained a 2.34 million dollar grant from the Army Corp of Engineers and a 4.8 million dollar grant from Rural Development for the project. Grant funding covered approximately 67% of the 10.6 million dollar total project cost, adding no upfront cost to homeowners. Construction on this project is near completion.