NPDES Articles
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Understanding the pH-Algae Connection in Industrial Water Management
Preserving and efficiently utilising water resources is a global priority aligned with sustainable development goals. Water quality is of great importance in industrial settings due to its impact on operational efficiency, regulatory compliance, and environmental responsibility. One often underestimated yet profound challenge in the water quality in industrial settings is the interplay between ...
By LG Sonic
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Monitor and Control TSS, pH & Algae - Webinar
Are elevated pH and TSS levels a concern? In wastewater and industrial ponds algae directly influence pH and TSS levels. Warm, stagnant, and nutrient-rich water creates the ideal conditions for algae to bloom. Making discharge into surface water or rivers difficult and risking (NPDES) environmental compliance. EJ Neafsay and Greg Eiffert will talk you through: How algae negatively affect pH, ...
By LG Sonic
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NPDES Effluent Guidelines: A Guide to pH
In the United States, before wastewater can be discharged into a lake or river, it is mandatory to meet the National Pollutant Discharge Elimination System (NPDES) effluent guidelines. These parameters – pH (potential hydrogen), TSS (total suspended solids) and BOD (biological oxygen demand) – can be lowered by controlling algal growth. This blog is the first is a three-part series to ...
By LG Sonic
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What Are Point- and Nonpoint-Source Water Pollution?
Water pollution can come from a single source, or from a variety of sources, a difference that presents challenges in prevention The United States Clean Water Act (CWA) of 1972 made it illegal to discharge any pollutant from a “point source” into navigable waters without a permit. What exactly is point-source pollution? The Environmental Protection Agency describes a point source as ...
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Year in Review: Our 8 Biggest Achievements of 2021
The year 2021 may have had its challenges, but we didn’t let that get in the way of reaching our ambitious goals. This year, we have grown more than ever before, as a company and as individuals. And this naturally translated into great ...
By LG Sonic
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How to control TSS and pH in industrial ponds and lagoons
Blue-green algae blooms can easily form in industrial waters; Algae cause a myriad of problems. Most importantly, they influence pH and TSS; Monitoring and controlling algae growth keeps TSS and pH low, thus helping you comply with the NPDES permit limits. ...
By LG Sonic
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NIPSCO electric company wins Water Award with LG Sonic technology
Northern Indiana Public Service Co. (NIPSCO) received the Water Award by POWER magazine for meeting NPDES permit limits sustainably with ultrasound treatment. To see video, please click ...
By LG Sonic
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Complying with NPDES effluent guidelines
To comply with the stringent NPDES effluent guidelines, it is vital to understand the mechanisms and interactions that affect the balance in the aquatic ecosystems. The National Pollutant Discharge Elimination System (NPDES) requires power plants in the U.S. to control their levels of harmful pollutants released in surface waters according to the specific effluent limitations. In this article, ...
By LG Sonic
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NPDES effluent guidelines: Industrial wastewater discharge
To comply with the stringent NPDES effluent guidelines, it is vital to understand the mechanisms and interactions that affect the balance in the aquatic ecosystems. The National Pollutant Discharge Elimination System (NPDES) requires power plants in the U.S. to control their levels of harmful pollutants released in surface waters according to the specific effluent limitations. In this ...
By LG Sonic
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Mansfield, Arkansas; ISAM - Integrated Surge Anoxic Mix - Case Study
City Gets Consistent Compliance, Thriving Discharge Creek, and State Award by Replacing Extended Aeration WWTP with Special Activated Sludge Process. Also Gains Better Reliability, Easier Maintenance, and Exceptionally Low Sludge Yield. Client: Mansfield, Arkansas Solution: ISAM - Integrated Surge Anoxic Mix Background: Mansfield, Arkansas - Plant Management for the city’s recently ...
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The middle Rio Grande watershed based MS4 permit - Case Study
ALBUQUERQUE MS4 – THE EARLY YEARS In the early years of its permit history, the Albuquerque Metropolitan Arroyo Flood Control Agency (AMAFCA) operated with a typical MS4 Phase I, individual permit that included Minimum Control Measures along with Best Management Practices to enhance water quality including: Public education and outreach Public participation and involvement Illicit ...
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Big energy savings through better mixing, less aeration runtime- USNHWW-LOC126.001 (ID135) - Case Study
Topics: wastewater, energy savings, MLSS/TSS, ammonia, odor control, partial mix, sludge reduction Overview: This municipal wastewater treatment system serves a community of approximately 15,000 residents. The wastewater treatment facility is a partial mix lagoon system utilizing aeration, and comprised of 3 lagoons and 1 sludge storage basin. Lagoon 1 is 9.3 acres, 9.3 ft deep, 25.9 MG total ...
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Tale of Two Cities: Innovators Improve MS4 Monitoring Strategies
Overview Dissatisfied with the quality and quantity of data available using traditional collection methods, Hoover, AL, turned to advancements in continuous monitoring to take its MS4 program to the next level. Not long after, Montgomery, AL, followed suit. Challenge Back in 2007, operating independently from Alabama’s Storm Water Management Authority, the City of Hoover, was looking for ...
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Tale of Two Cities: Innovators Improve MS4 Monitoring Strategies - Case Study
Overview Dissatisfied with the quality and quantity of data available using traditional collection methods, Hoover, AL, turned to advancements in continuous monitoring to take its MS4 program to the next level. Not long after, Montgomery, AL, followed suit. Challenge Back in 2007, operating independently from Alabama’s Storm Water Management Authority, the City of Hoover, was looking for ...
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EPA Releases Interpretive Statement on whether CWA NPDES Permit Program Applies to Releases of a Pollutant from a Point Source to Groundwater
On April 23, 2019, the U.S. Environmental Protection Agency (EPA) announced it was making available its Interpretive Statement addressing whether the Clean Water Act’s (CWA) National Pollutant Discharge Elimination System (NPDES) permit program applies to releases of a pollutant from a point source to groundwater (Interpretive Statement) for comment. 84 Fed. Reg. 16810. EPA is issuing the ...
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Comparing Performance of Dissolved Oxygen Probes and Examining Payback of the RDO PRO Probe Used to Monitor Aeration Basins
Introduction Wastewater Treatment Plants (WWTPs) can use reliable dissolved oxygen (DO) data to improve operations, especially with continuous DO monitoring and realtime data acquisition. When DO probes and controllers are connected to blower controls through a SCADA system, the Publicly Owned Treatment Works (POTW) or WWTP will be able to: Optimize sewage treatment Reduce energy bills ...
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The Power of Reclaimed Water
Power generation need not be another source of strain on diminishing freshwater resources. Well-established water reclamation technologies are enabling producers to conserve resources and money. Meeting the needs of a planetary population expected to surpass eight billion people by 2025 is requiring more output from fewer resources. In the case of dwindling supplies of freshwater, the strain ...
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3 Costly Non-Compliance issues you can avoid by oil skimming
Editor’s note: This post was originally published in 2013 and has been updated for comprehensiveness. A proper oil skimming system can help you meet Environmental Protection Agency (EPA) requirements. Since the government created the Federal Water Pollution Control Act in 1948, U.S. businesses have come to view environmental responsibility as a duty that goes beyond regulatory compliance. ...
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Bissell Point, Missouri - Trickling Filter installations applications - Case Study
Bissell Point, the largest wastewater treatment facility in Missouri, expanded their facility in the mid-1980s to provide secondary treatment. The goal of the upgrade was to select a reliable process that would achieve high-rate BOD removal. They opted for trickling filter technology and worked with Brentwood to install roughly 3 million cubic feet of plastic media in 6 towers. Nearly 25 years ...
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EPA to host events soliciting information on regulatory reforms
The U.S. Environmental Protection Agency (EPA) has announced that it will be hosting several events to gather input on regulatory actions that could be repealed, replaced or modified as part of EPA’s regulatory reform efforts under Executive Order (EO) 13777. The Office of Pesticide Programs (OPP) will host a public meeting on the Pesticide Program Dialogue Committee (PPDC) on May 3, ...
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