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Learn more about Montana State Hospital
Case Study

Montana State Hospital

The Hospital needed to upgrade its wastewater treatment facility to address both operational challenges and regulatory compliance requirements. As the largest state-run psychiatric hospital in Montana, the facility generates a significant volume of wastewater daily, containing a complex mix of biological and chemical contaminants. Over time, the existing treatment system became outdated and inefficient, struggling to meet the increased demand and the stricter environmental standards set by regulatory agencies.

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Learn more about Laurelville, OH Wastewater Treatment Plant
Case Study

Laurelville, OH Wastewater Treatment Plant

Laurelville’s wastewater treatment plant, which is owned and operated by the village, discharges treated wastewater into the nearby Brimstone Creek. Recently, their wastewater treatment plant upgrade became a top city priority due to non-compliance with EPA regulations. The 50-year-old facility had been unable to meet winter ammonia limits in the effluent and was still unable to achieve satisfactory results after several modifications including the addition of enhanced aeration and a biofilter. Additionally, the synthetic liners in the lagoons had deteriorated due to age.  Another challenge the city faced was the plant was originally supposed to begin a major upgrade in late 2020 however, the pandemic delayed the process and increased costs. The city reached out to Lemna to provide a cost-effective solution for enhancing their existing facility, to accommodate projected flows as well as meet BOD, TSS and ammonia limits.

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Learn more about Elkhart, IA Wastewater Treatment Plant
Case Study

Elkhart, IA Wastewater Treatment Plant

Over the last 15 years Elkhart’s population has more than doubled. As a result of the growth, their wastewater lagoon system had reached its capacity. In addition, the city received a NPDES permit from the Iowa Department of Natural Resources, requiring new stringent regulations in the effluent. In contemplating solutions for its aerated lagoon system, the city explored various alternatives, all of which necessitated a significantly larger system than the current one. However, due to the system's proximity to residential areas within 300 feet, the city council strongly opposed expanding the treatment system at its current location. The city reached out to Lemna to provide a solution to their complex problem.

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Learn more about Blairstown, IA Wastewater Treatment Plant
Case Study

Blairstown, IA Wastewater Treatment Plant

Nestled close to rivers and lakes, the city of Blairstown was faced with a vital decision.  Their aging wastewater treatment plant was nearing the end of its useful life and was no longer able to meet the needs of the growing community. The plant was originally built in the 1950s and had been expanded and upgraded several times over the years, but it was no longer able to adequately treat the wastewater to meet state and federal environmental standards. This was a major concern for the community, as it could lead to increased pollution of the nearby Cedar River and pose a health risk to residents and wildlife.  The city reached out to Lemna Environmental Technologies (LET) to provide a solution to their complex problem.

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Learn more about Poplar Bluff, MO Wastewater Treatment Plant
Case Study

Poplar Bluff, MO Wastewater Treatment Plant

Poplar Bluff is a small city in Southeast Missouri. It is the county seat of Butler County and is known as "The Gateway to the Ozarks" among other names. Poplar Bluff takes its name from a bluff that overlooks the Black River. Due to its vicinity from several natural wonders, this small city boasts sparkling springs and rivers, a national forest, and state parks making it an excellent outdoor destination. Nestled close to a string of springs and rivers, this community was faced with a vital decision. They needed to improve their existing treatment plant so it could meet more rigorous effluent requirements.

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Learn more about Dairy Processor – Wisconsin
Case Study

Dairy Processor – Wisconsin

A global cheese producer in Wisconsin was embarking on a strategic initiative to accommodate the projected surge in cheese production, thereby necessitating the expansion of their wastewater management capabilities. Their existing infrastructure featured a lagoon-based system utilizing 17 floating, high-speed surface aerators across three primary lagoons, with an additional polishing lagoon. However, it became evident that this setup would prove inadequate in meeting their future demands for wastewater treatment.

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Learn more about Bloomfield, MO Wastewater Treatment Plant
Case Study

Bloomfield, MO Wastewater Treatment Plant

Located in the rural heartland of Missouri, the small town of Bloomfield faced a challenging decision regarding its wastewater treatment needs. With a population of around 2,400 residents, the existing treatment plant was struggling to meet increasingly stringent discharge limits on key pollutants and would soon be unable to accommodate the city's growth.

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