NPDES Articles
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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Agency (EPA) has announced that it will be hosting several events to gather input on regulatory actions that could be repealed, replaced or modified as part of EPA’s regulatory reform efforts under Executive Order (EO) 13777.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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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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Emphasis Shifting to Toxicity Reduction
Untitled Document Under the Clean Water Act (CWA), the U.S. Environmental Protection Agency (EPA) established the National Pollutant Discharge Elimination System (NPDES) permitting program as a means of controlling the discharge of wastewater to national surface water supplies. The NPDES program is used within the CWA to help prevent the discharge of "toxic ...
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Cost effective monitoring strategies in MS4 programs - Case Study
A Tale of Two Cities: The Evolution of Monitoring Strategies In Municipal Separate Storm Sewer System (MS4) Programs City of Hoover NPDES Permit History On October 12. 2001, the Alabama Department erf Environmental Management (ADEM) issued National Pollutant Discharge Elimination Systems (NPDES) Permit Number ALS000001 for "Birmingham Area Municipal Separate Storm Sewer System and Jefferson ...
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Test & treat - treating hydrostatic test water
A pipeline company in Iowa conducted a hydrostatic test of its pipeline, producing 39,000 barrels of fluid for treatment. The hydrostatic test water was to be discharged in accordance with a National Pollutant Discharge Elimination System (NPDES) permit. The permit required that discharge of the treated test water could not exceed a period of 14 days from the date the test was conducted. Fluid ...
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Project - Lobsterman’s Wharf
Lobsterman’s Wharf is a seasonal restaurant serving seafood and meat dishes. Fried as well as grilled food is on the menu. There is also a 14-room inn as part of the property. All kitchen wastewater flows through an automatic grease removal unit prior to entering an existing grease trap. Sanitary and kitchen flow enters a pump station that pumps the influent to the treatment plant located ...
By Walden, Inc.
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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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Wetlands for Industrial Wastewater Treatment at the Savannah River Site
ABSTRACT The A-01 effluent outfall, which collects both normal daily process flow and stormwater runoff from a industrial research facility, did not meet the South Carolina Department of Health and Environmental Control (SCDHEC) National Pollutant Discharge Elimination System (NPDES) permit limits for metals, toxicity, and total residual chlorine at the outfall sampling point. Copper was the ...
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Environmental Engineering case study
USX Corporation, Fairless Hill, Bucks County Evaluated hydraulics of water distribution system and its capability to meet very high fire flow requirements for Industrial Park. Assisted with presentation and discussion with Falls Township. Upper Makefield Township, The Arbors Reviewed and approved design of water supply system for new age-restricted development, as an addition to the ...
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US EPA Announces Final Water Quality Trading Policy
On January 13, 2003, US EPA released its new National Water Quality Trading Program. This policy calls on states to develop programs for trading water pollution reduction credits, much as has been done with air pollutants for several years. This approach is consistent with the Bush Administration's preference for market-based solutions to environmental issues. Trading is likely to be helpful in ...
By AECOM
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Wetlands For Industrial Wastewater Treatment At The Savannah River Site: A Case Study
ABSTRACT The A-01 effluent outfall, which collects both normal daily process flow and stormwater runoff from a industrial park-type area, did not meet the South Carolina Department of Health and Environmental Control (SCDHEC) National Pollutant Discharge Elimination System (NPDES) permit limits for metals, toxicity, and total residual chlorine at the outfall sampling point. However, copper ...
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Damage control - handling major hurricane damage to production platform
A major operating company in the Gulf of Mexico had some unique challenges when their existing systems were damaged during a major hurricane in the Gulf of Mexico. They selected CETCO Oilfield Services to provide them with temporary services, personnel for 24 hour coverage, and a complete equipment rental package to handle all the production for the platform while repairs were being conducted. ...
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Woodson IL Case Study 33 Year old system
Date of Design: 1973 by Benton & Associates Jacksonville, IL Date of Hinde Engineering Installation: 1974 Design Data: Domestic Waste only Design Flow <0.100 MGD Design Load BOD 200 mg/l ~170 PPD TSS 200 mg/l ~170 PPD 2 Lagoons ~ 2 Acres Total 10’ WD 2’ FB 2 Sand Filters In 1999 ADS converted the original aeration system to Out-of-Water HDPE headers and new aeration diffusers. ...
By EP Aeration
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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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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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Case study - Mazzei implements a reliable and efficient back-up effluent oxygenation system for The Butler County Ohio LeSourdsville WWTP
Post-treatment Aeration Maintains Dissolved Oxygen in Effluent High-Solids Wastewater Prior to River Discharge. Butler County, OH The Problem: The LeSourdsville WWTP in Butler County, Ohio, was required to meet their NPDES permit requirement of 6 mg/l dissolved oxygen at the plants Miami River outfall. During normal operation the dissolved oxygen increase is accomplished in a cascade basin. ...
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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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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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Stormwater Solids Reduction for NPDES Permits
Finally obtaining a National Pollution Discharge Elimination System (NPDES) Permit is often a relief but is by far not the end of the story. Meeting the requirements of that permit often proves to be quite difficult and stiff fines are freely doled out to those who fail to meet regulatory limits. For one Midwest jet propulsion manufacturing facility, the issue of total daily solids discharge ...
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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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