Littérature scientifique sur le sujet « Microbial community of soil, surface and groundwater »

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Articles de revues sur le sujet "Microbial community of soil, surface and groundwater"

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Turky, Azza Sh. "Microbial community in rural shallow groundwater affected by surface contaminated soil." International Journal of Academic Research 4, no. 4 (2012): 188–97. http://dx.doi.org/10.7813/2075-4124.2012/4-4/a.26.

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Villeneuve, Karine, Valérie Turcotte-Blais, and Cassandre Sara Lazar. "Effect of Snowmelt on Groundwater Bacterial Community Composition and Potential Role of Surface Environments as Microbial Seed Bank in Two Distinct Aquifers from the Region of Quebec, Canada." Microorganisms 11, no. 6 (2023): 1526. http://dx.doi.org/10.3390/microorganisms11061526.

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Events of groundwater recharge are associated with changes in the composition of aquifer microbial communities but also abiotic conditions. Modification in the structure of the community can be the result of different environmental condition favoring or hindering certain taxa, or due to the introduction of surface-derived taxa. Yet, in both cases, the local hydrogeochemical settings of the aquifer is likely to affect the amount of variation observed. Therefore, in our study, we used 16S rRNA gene sequencing to assess how microbial communities change in response to snowmelt and the potential co
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Vargha, M., Z. Somlai, Z. Takáts, and K. Márialigeti. "Microbiological impact of atrazine pollution in river sediment and soil." Acta Agronomica Hungarica 52, no. 3 (2004): 297–308. http://dx.doi.org/10.1556/aagr.52.2004.3.11.

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Atrazine is a frequently detected pollutant in agricultural soils, groundwater and surface waters. Microbial degradation was confirmed in soils, and recently several atrazine-degrading bacteria have been isolated. Degradation in aquifers, however, is not well understood, and to date, atrazine degraders have not been isolated from water. In the present study, the impact of atrazine was assessed in agricultural soil and river sediment and the composition of the atrazine-degrading bacterial community in the soil and sediment was compared. Atrazine pollution increased the number and diversity of t
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Ben Ali, Akram R., Francisco F. Omar Holguin, and Manoj K. Shukla. "Soil Microbial Composition and Soil Health of Reverse-Osmosis-Concentrate and Brackish-Groundwater Irrigated Soils in Southern New Mexico." Soil Systems 7, no. 2 (2023): 37. http://dx.doi.org/10.3390/soilsystems7020037.

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The phospholipid fatty acid method was used to determine the shifts in microbial biomass due to irrigation with reverse-osmosis (RO) concentrate (or highly saline reject water) and brackish groundwater (BGW). In this greenhouse study, RO concentrate and BGW were applied to irrigate pecan trees for 8 months for two consecutive seasons. The objectives of the study were to (i) evaluate how irrigation with RO concentrate and BGW impacts soil microbial composition in pecan rhizospheres using microbial phospholipid fatty acid (PLFA) biomarkers as indicators, and (ii) evaluate its implications on soi
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Aislabie, J., J. Ryburn, and A. Sarmah. "Culturable microbes in shallow groundwater underlying ornithogenic soil of Cape Hallett, AntarcticaThis article is one of a selection of papers in the Special Issue on Polar and Alpine Microbiology." Canadian Journal of Microbiology 55, no. 1 (2009): 12–20. http://dx.doi.org/10.1139/w08-118.

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The objective of this study was to investigate the culturable psychrotolerant microbial community in groundwater from Seabee Hook, Antarctica. Shallow groundwater can be present in coastal regions at higher latitudes during the Antarctic summer. Perched groundwater atop ice-cemented permafrost occurs on Seabee Hook, Cape Hallett, at depths from 5 to 80 cm below the soil surface. Compared with terrestrial water from other sites in Antarctica, the groundwater was high in salt and nutrients, reflecting proximity to the sea and ornithogenic soil. Microbial communities in groundwater samples from S
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Wakelin, Steven A., Paul N. Nelson, John D. Armour, Velupillai Rasiah, and Matthew J. Colloff. "Bacterial community structure and denitrifier (nir-gene) abundance in soil water and groundwater beneath agricultural land in tropical North Queensland, Australia." Soil Research 49, no. 1 (2011): 65. http://dx.doi.org/10.1071/sr10055.

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We explored the microbial ecology of water draining through the soil (lysimeter samples) and in the shallow aquifers (bore samples) underlying sugarcane and banana fields near the Great Barrier Reef (GBR), Australia. Lysimeter and bore water samples were collected and analysed chemically and with DNA fingerprinting methods (PCR-DGGE and clone library sequencing) to characterise the structure of the bacterial community. Bacterial communities in soil water and bore water were distinct (P < 0.05), and a primary factor linked with bacterial community structure was water pH (P < 0.05), partic
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Singh, Anusha, Tanja Shabarova, and Paul Bulzu. "Different components of interconnected karst environment select for highly distinct microbial communities." ARPHA Conference Abstracts 5 (July 14, 2022): e89679. https://doi.org/10.3897/aca.5.e89679.

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Karst environments, formed by dissolution of rocks, present a unique opportunity to study groundwater and surface water as a single dynamic system. We aimed to explore the hydrological connections and identify shared microbiome between different components of this complex landscape (terrestrial, surface-subsurface freshwater networks and two different lake strata) on example of karst landscape at north shore of Lake Thun (CH).52 samples from soil and 87 from the freshwater network were collected during low hydrological conditions. Additionally, 43 samples from 13 different lakes across Europe
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Chen, Zhichao, Jialiang Luo, Yiheng Jiao, Xiaoxuan Lyu, Shidong Wang, and Hebing Zhang. "Soil Characteristics and Response Mechanism of the Microbial Community in a Coal–Grain Compound Area with High Groundwater Levels." Agronomy 14, no. 9 (2024): 1993. http://dx.doi.org/10.3390/agronomy14091993.

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Coal mining has led to escalating ecological and environmental issues in significant coal and grain production areas, posing a severe danger to food security. This study examines the disturbance patterns of soil factors and microbial communities in coal and grain production areas, and attempts to understand the impact of subsidence and water accumulation stress on soil characteristics and microbial communities in coal mining subsidence areas with high subsidence levels. Five specific regions of Zhao Gu Yi Mine, situated in Henan Province and under the ownership of Jiaozuo Coal Group, were chos
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Moore-Kucera, Jennifer, Anita Nina Azarenko, Lisa Brutcher, Annie Chozinski, David D. Myrold, and Russell Ingham. "In Search of Key Soil Functions to Assess Soil Community Management for Sustainable Sweet Cherry Orchards." HortScience 43, no. 1 (2008): 38–44. http://dx.doi.org/10.21273/hortsci.43.1.38.

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Organic growers are required to maintain or improve soil chemical, biological, and physical properties and thus need to integrate biological processes into fertility management. However, few guidelines exist for satisfying tree nutrient demands ecologically. Sound nitrogen (N) management is a key component for overall orchard productivity whereas poor N management may result in multiple environmental impacts, including runoff to surface or leaching to groundwater sources. Many growers substitute synthetic inputs with rapid-release, approved N fertilizers that have little effect on long-term so
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Pérez-Lucas, Gabriel, and Simón Navarro. "How Pharmaceutical Residues Occur, Behave, and Affect the Soil Environment." Journal of Xenobiotics 14, no. 4 (2024): 1343–77. http://dx.doi.org/10.3390/jox14040076.

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Many pharmaceuticals (PhMs), compounds for the treatment or prevention of diseases in humans and animals, have been identified as pollutants of emerging concern (PECs) due to their wide environmental distribution and potential adverse impact on nontarget organisms and populations. They are often found at significant levels in soils due to the continuous release of effluent and sludge from wastewater treatment plants (WWTPs), the release of which occurs much faster than the removal of PhMs. Although they are generally present at low environmental concentrations, conventional wastewater treatmen
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Thèses sur le sujet "Microbial community of soil, surface and groundwater"

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GRENNI, PAOLA. "Effects of pesticides and pharmaceuticals on soil and water bacterial communities." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2011. http://hdl.handle.net/10281/19697.

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Studying soil and water ecosystems using a microbial ecology approach, which analyses the diversity and functioning of microbial communities, can help in evaluating the impact of environmental stressors, such as xenobiotics. In fact, soil and water microorganisms play an important role in maintaining ecosystem environmental quality. For instance, the ability of soil and water to recover from chemical contamination is primarily dependent on the presence of a microbial community with the ability to remove it. Furthermore the microbial community characteristics of an ecosystem can indicate change
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Martin, Teri L. "Groundwater nitrate removal and soil microbial community structure in a riparian zone." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0011/MQ33250.pdf.

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Bailey, Jennifer Diane. "Vertical Distribution of Wetland Plant Roots and Their Associated Bacteria in Groundwater-fed Wetlands." Wright State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=wright1452708738.

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Day, Mark C. J. "The influence of non-UV light on soil surface microbial community development and the fate of crop protection products." Thesis, University of Warwick, 2015. http://wrap.warwick.ac.uk/73961/.

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Crop protection products (CPPs) are an essential component of modern agriculture, necessary to improve crop yield to feed the ever-increasing world population. Regulation and safety testing of CPPs entering the environment is mandatory to ensure that their use is not at the detriment of environmental or human health. Regulatory laboratory studies typically over-estimate the persistence of CPPs within the environment as they are not representative of environmental conditions. This study investigated the role of non-UV light on CPP degradation and the development of soil surface communities. The
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Gualandi, Giovanni <1973&gt. "Chlorinated aliphatic and aromatic hydrocarbons biodegradation: bioaugmentation tests in slurry microcosmos and study of the catabolic potential of microbial community in the interface between groundwater and surface water." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2007. http://amsdottorato.unibo.it/382/1/giovanni_gualandi.pdf.

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Gualandi, Giovanni <1973&gt. "Chlorinated aliphatic and aromatic hydrocarbons biodegradation: bioaugmentation tests in slurry microcosmos and study of the catabolic potential of microbial community in the interface between groundwater and surface water." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2007. http://amsdottorato.unibo.it/382/.

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Livres sur le sujet "Microbial community of soil, surface and groundwater"

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Kirchman, David L. Degradation of organic matter. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198789406.003.0007.

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The aerobic oxidation of organic material by microbes is the focus of this chapter. Microbes account for about 50% of primary production in the biosphere, but they probably account for more than 50% of organic material oxidization and respiration (oxygen use). The traditional role of microbes is to degrade organic material and to release plant nutrients such as phosphate and ammonium as well as carbon dioxide. Microbes are responsible for more than half of soil respiration, while size fractionation experiments show that bacteria are also responsible for about half of respiration in aquatic hab
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Chapitres de livres sur le sujet "Microbial community of soil, surface and groundwater"

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Taggart, Dora M., and Trent A. Key. "Molecular Biological Tools Used in Assessment and Remediation of Petroleum Hydrocarbons in Soil and Groundwater." In Advances in the Characterisation and Remediation of Sites Contaminated with Petroleum Hydrocarbons. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-34447-3_10.

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AbstractMolecular biological tools (MBTs) are used to assess and characterize the microbiology and associated biological processes at contaminated sites, including ecological roles, phylogenetic diversity, and metabolic and co-metabolic capabilities related to contaminant biodegradation and biotransformation. MBTs have changed our approach to the assessment and remediation of petroleum hydrocarbons in the environment. In contaminated-site management, several MBTs and stable isotope analysis methods can be used to measure the presence, abundance, and activity of petroleum hydrocarbon-degrading
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Miles, Sarah M., Ron Gestler, and Sandra M. Dworatzek. "Bioremediation of Petroleum Hydrocarbons in the Subsurface." In Advances in the Characterisation and Remediation of Sites Contaminated with Petroleum Hydrocarbons. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-34447-3_14.

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AbstractDue to human activity and, to a lesser extent, natural processes, petroleum hydrocarbons continue to pollute the environment. These contaminants of concern can be found globally and their remediation is key to restoring affected sites to safe and functional status. Conventional treatment of sites contaminated with petroleum hydrocarbons relies heavily on remediation approaches that are often financially prohibitive or may be technically impractical and that sometimes produce undesirable by-products. Using microbes that occur in nature (if not always at the site), can be a viable treatm
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Gallegos-Neyra, Elvia Manuela, Francisco José Torner-Morales, América Patricia Garcia-Garcia, Cesar Alejandro Zamora-Barrios, Iván Andrés Arredondo-Fragoso, and Israel Valencia Quiroz. "Water in the Arid and Semi-Arid Zones of Mexico." In Soil Improvement and Water Conservation Biotechnology. BENTHAM SCIENCE PUBLISHERS, 2025. https://doi.org/10.2174/9789815322439125010006.

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This chapter analyzes the current situation and challenges faced by water management in the arid and semi-arid zones of Mexico. It examines the hydroclimatic characteristics of these regions, highlighting the importance of water for maintaining their unique ecosystems and supporting the rural populations that depend on it. Various water sources are studied, including groundwater aquifers, surface waters, rainwater harvesting, and treated wastewater. Each source is vital but presents distinct challenges for sustainable management, including the need for regulatory measures and innovative conser
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Kaur, Sarabjeet, and Monita Dhiman. "Occurrence and Source of Microplastic in the Environment." In Microplastic Pollution: Causes, Effects and Control. BENTHAM SCIENCE PUBLISHERS, 2023. http://dx.doi.org/10.2174/9789815165104123010005.

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Microplastics are ubiquitous on the earth, even in the purest environments like arctic snow, inaccessible mountains, via. Microplastics may be disseminated via air fallout near metropolitan areas, however, the great bulk of data points to water as the primary distribution channel. Researchers have discovered that surface and groundwater are also polluted by microplastics, despite maximum research focusing on marine pollution. The international community visualizes a decline in the concentration of floating plastic waste as an essential step toward the long-term sustainability of the seas. Howe
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Actes de conférences sur le sujet "Microbial community of soil, surface and groundwater"

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Stîngaci, Aurelia, Tatiana Şerbacova, Anna Samoilova, et al. "Entomopathogenic biopesticides - an alternative increasing the adaptability of plants to stress impact and eco-friendly source for the control of pests." In 5th International Scientific Conference on Microbial Biotechnology. Institute of Microbiology and Biotechnology, Republic of Moldova, 2022. http://dx.doi.org/10.52757/imb22.34.

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The use of chemical fertilizers and chemical plant protection products in unacceptable amounts has led to a steady decline in soil and crop productivity worldwide. Pesticides contribute to the pollution of ground and surface waters, and there are strong indications that long term exposure to POPs can have a negative impact on biodiversity (Topping et. al., 2020). The current level of plant protection does not solve all problems of crop production, since pesticides are not able to protect plants from abiotic stresses. Meanwhile, losses from stress factors are estimated at 5182% (Monastyrsky O.G
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Doupe, J. T., and W. R. Livingstone. "Response, Remediation and Risk Management of a Crude Oil Pipeline Spill." In 1998 2nd International Pipeline Conference. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/ipc1998-2117.

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In December 1995, an oil spill was discovered along a section of pipeline located near the bank of a major river, less than 1 km upstream of the water supply intake of a southern Alberta community. The spill, which involved light crude oil, was observed at ground surface over an area of approximately 3 000 m2 at the top of the river slope and had also migrated downslope through the subgrade soils and along the groundwater table toward the river. The initial emergency response activities consisted of removing and disposing of oil-stained vegetation and snow, and the containment and recovery of
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van Velzen, Leo, L. Teunckens, V. Daniska, M. Vasko, E. Hajkova, and I. Matejovic. "European Radiation Survey and Site Execution Manual (EURSSEM)." In ASME 2009 12th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2009. http://dx.doi.org/10.1115/icem2009-16176.

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Within the framework of the “Co-ordination Network on Decommissioning of Nuclear Installations Project (2005–2008)” funded by the European Community a first edition of EURSSEM has been developed to promote common understanding of key issues in the development of a strategy, implementation and execution of a programme to remediate radioactively contaminated sites. The objective of EURSSEM is to describe and provide a consistent consensus information and guidance on strategy, planning, implementation and execution of stakeholder involvement, performing, and assessing radiological soil surface an
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Rapports d'organisations sur le sujet "Microbial community of soil, surface and groundwater"

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Ringelberg, David B., Charles M. Reynolds, Karen L. Foley, and Lawrence B. Perry. Microbial Community Shifts Associated with RDX Loss in a Saturated and Well-Drained Surface Soil. Defense Technical Information Center, 2005. http://dx.doi.org/10.21236/ada430688.

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Baker, Christopher, Amanda Barker, Thomas Douglas, Stacey Doherty, and Robyn Barbato. Seasonal variation in near-surface seasonally thawed active layer and permafrost soil microbial communities. Engineer Research and Development Center (U.S.), 2024. http://dx.doi.org/10.21079/11681/48754.

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Understanding how soil microbes respond to permafrost thaw is critical to predicting the implications of climate change for soil processes. However, our knowledge of microbial responses to warming is mainly based on laboratory thaw experiments, and field sampling in warmer months when sites are more accessible. In this study, we sampled a depth profile through seasonally thawed active layer and permafrost in the Imnavait Creek Watershed, Alaska, USA over the growing season from summer to late fall. Amplicon sequencing showed that bacterial and fungal communities differed in composition across
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Raikow, David, Jacob Gross, Amanda McCutcheon, and Anne Farahi. Trends in water quality and assessment of vegetation community structure in association with declining mangroves: A condition assessment of American Memorial Park. National Park Service, 2023. http://dx.doi.org/10.36967/2301598.

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American Memorial Park (AMME) in Saipan contains a rare mangrove wetland that is known to support several endangered species. Through monitoring water quality and vegetation characteristics of the wetland for &gt;10 years we documented a declining mangrove population, an increase in invasive plant species, and declining surface water salinity. Comprehensive surveys conducted in 2014 and 2019 quantified declines in the plant community observed by park staff. Surface water salinity declined from 2009 to 2018 and no other trend in surface water quality was observed. Over the time period of the pr
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Schlossnagle, Trevor H., Janae Wallace,, and Nathan Payne. Analysis of Septic-Tank Density for Four Communities in Iron County, Utah - Newcastle, Kanarraville, Summit, and Paragonah. Utah Geological Survey, 2022. http://dx.doi.org/10.34191/ri-284.

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Iron County is a semi-rural area in southwestern Utah that is experiencing an increase in residential development. Although much of the development is on community sewer systems, many subdivisions use septic tank soil-absorption systems for wastewater disposal. Many of these septic-tank systems overlie the basin-fill deposits that compose the principal aquifer for the area. The purpose of our study is to provide tools for waterresource management and land-use planning. In this study we (1) characterize the water quality of four areas in Iron County (Newcastle, Kanarraville, Summit, and Paragon
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Schlossnagle, Trevor H., and Torri Duncan. Analysis of Septic-Tank Density for Rockville, Washington County, Utah. Utah Geological Survey, 2024. http://dx.doi.org/10.34191/ri-288.

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Rockville is a small rural town in southwestern Utah that is experiencing an increase in residential development. New developments in rural areas often use septic tank soilabsorption systems for wastewater disposal, although there is potential to utilize an existing community sewer system. Because potential future septic-tank systems may overlie the principal drinking water aquifer for Rockville, city off icials asked the Utah Geological Survey to conduct a septictank density analysis. The purpose of our study is to provide tools for water-resource management and land-use planning. In this stu
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