Showing results for: domestic water well Articles
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The Effects That Well Depth and Wellhead Protection Have on Bacterial Contamination of Private Water Wells in the Estes Park Valley, Colorado
Over the past five years, it is estimated that 10% of residential water wells have tested positive for total coliform and 2% for E.coli bacteria in the Estes Park Valley, Colorado. Many of these water wells are shallow or hand-dug in construction. In this study, samplings of 30 private untreated water wells were tested for total coliform bacteria in the Estes Park Valley. Water wells were ...
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Residential Bacterial Well Water, Minnesota, USA - Case Study
Background: Recently, Argonide was approached by a customer with a challenging residential issue. The location is in the St. Cloud area of Minnesota. The home is served by well water plagued with Iron Bacteria that yielded a “Swampy” odor in the water. Even with a water treatment system installed, this condition makes controlling the iron bacteria build up in the toilet tanks and ...
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Ion ScaleBuster Water Conditioning - Pre Membrane Pretreatment 2 - Case Study
OVERVIEW Solutions Limpides (Granby QC) has been experimenting with ScaleBuster® conditioners as part of membranes (RO - Reverse Osmosis, UF – Ultra Filtration and now also NF – Nano Filtration) pre-treatment since 2014 for hard and veryhard water. WATER SYSTEM CHALLENGES In rural Quebec, most residential water supply comes from wells. When Hardness exceeds 5 gpg (85 ppm) with ...
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How To: Size Expansion Tanks Using Wessels Free Tank Calculator
Wessels Company is proud to offer a free web and phone app (iOS and android) for sizing and converting a selection of our tank products online or on your phone. In our easy-to-use app guide, you will find a quick reference page explaining the icons. Here are the icons most commonly found on the app: The calculator allows you to select the type of tank you wish to size: HVAC ...
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Economic impacts of inadequate sanitation in Bangladesh
This study estimates the nonmonetary, financial, and economic costs of poor sanitation in the areas of health, drinking water, and domestic water, as well as user preference and welfare. Financial costs refer to the direct financial expense paid in monetary terms by someone, such as changes in household and government spending and real income losses for households. Nonmonetary costs consist of ...
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2018 Hurricanes Contaminated Wells Across the Southeast
Some agricultural waste lagoons that dot North Carolina’s agricultural regions overflowed during the 2018 storms, contaminating groundwater with pathogens. Agricultural waste and private septic systems were major sources of pollutants Major hurricanes Florence and Michael, which hit the Southeastern United States in 2018, not only killed approximately 70 people and caused an estimated ...
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Assessment of domestic consumption in intermittent water supply networks: case study of Puerto Ayora (Galápagos Islands)
Intermittent water distribution systems are a stark reality in developing countries. Puerto Ayora, the centre of tourism of the Galápagos Archipelago, is not an exception, with its population and tourists suffering from scarce water resources. However, the extreme per capita consumptions, well above those in 24/7 supply situations in many other countries, contradict the (sense of) scarcity. ...
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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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Evaluation of pot-chlorination of wells during a cholera outbreak, Bissau, Guinea-Bissau, 2008
We evaluated the ability of UNICEF-designed pot-chlorinators to achieve recommended free residual chlorine (FRC) levels in well water in Bissau, Guinea-Bissau, during a cholera outbreak. Thirty wells were randomly selected from six neighbourhoods. Pot-chlorinators – perforated plastic bottles filled with gravel, sand and calcium hypochlorite granules – were placed in each well. FRC was measured ...
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Opportunistic pathogens relative to physicochemical factors in water storage tanks
Household water in Oman, as well as in other countries in the region, is stored in tanks placed on house roofs that can be subjected to physicochemical factors which can promote microbial growth, including pathogens and opportunistic pathogens which pose health risks. Water samples were collected from 30 houses in a heavily populated suburb of Muscat. The tanks used were either glass reinforced ...
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Faecal sludge management - Malaysia Philippines
1. Overview and key points Malaysia has been recognised to have adopted a good sanitation model through the use legislative reforms and implementation models. A firm set of guidelines along with clear knowledge on the role played by every stakeholder, especially that of developers whose responsibility it is to construct their own wastewater treatment, enabled an increase in sanitation coverage ...
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Construction Machinery
In the construction and bridge construction, ABT equipment shows itself and can provide tremendous help in various scenarios. ABT provides large drilling equipment to help you build bridges and building foundations. Its function is to pass through the soft and highly compressive soil or water, transfer the load of pile to the harder, more compact or less compressive foundation bearing layer, ...
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Project - Wellhead Protection Area Delineation and Vulnerability Scoring for the Brantford Airport Wellfield
Client: Grand River Conservation Authority (GRCA): 400 Clyde, Cambridge, ON Contact: Sonja Strynatka, P.Geo, Senior Hydrogeologist Key Personnel: Michael Takeda, Spencer Malott, E.J. Wexler The Brantford Airport wellfield, located 6 kilometers west of the Brantford town centre, services a small population of residential and industrial water users. A single well (Airport Well 1) ...
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An overview of reverse osmosis
Reverse osmosis is the separation or filtration method by which many types of molecules and ion particles are removed from the solution through porous membrane-technology filtration. Reverse osmosis systems work very well at removing all types of hard minerals and contaminants in the water. Hard water minerals are easily removed from the reverse osmosis membrane. An amount of pressure is applied ...
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Case study - Pemaco superfund site remediation
OVERVIEW Pemaco was formerly a chemical facility located in a light industrial and residential area of Maywood, CA, adjacent to the Los Angeles River. No one knows how long hazardous substances had been leaking into the ground but the operations date back to the 1940's. Up until closure of the facility in 1991, chlorinated solvents, aromatic solvents, and flammable liquids had all been used in ...
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