Groundwater contaminants - PowerPoint PPT Presentation


Groundwater Quality Assessment & Corrosiveness Evaluation

Explore groundwater quality using WQI & corrosion indices. Study in Bihar, India aids in sustainable management approaches.

0 views • 14 slides


Understanding the Economic and Health Impacts of Groundwater Nitrate Contamination in Nebraska

The economic and health costs of groundwater nitrate contamination in Nebraska highlight the challenges of ensuring safe drinking water. Despite largely safe levels, proactive strategies are essential due to rising nitrate levels and costly maintenance efforts. The compliance record shows progress i

0 views • 18 slides



Sustainable Use of Groundwater

Groundwater management and sustainable use are crucial in India, as highlighted by the Ministry of Jal Shakti. The country faces challenges such as declining groundwater levels, quality deterioration, and increasing demand-supply gaps. Effective strategies and responsible practices are needed to add

0 views • 20 slides


Overview of Guam Regulatory Aquifer Mapping and Groundwater Protection

Guam's Regulatory Aquifer Mapping includes conflicting maps from USEPA, the Northern Guam Lens Study, and Groundwater Protection Zones, impacting land use regulations and water quality standards. Issues arise from inconsistencies in regulatory tools and language errors within the protection zones. Z

2 views • 19 slides


Understanding the Water Cycle and Its Importance in Nature

Water is essential for all life on Earth, continuously moving through different physical states in a cycle that has been occurring for over 4 billion years. The Water Cycle involves processes like evaporation, transpiration, condensation, precipitation, and collection, ensuring water is always movin

11 views • 7 slides


Groundwater Recharge Station Project

The Groundwater Recharge Station Project, Project Number 21-381, at California State University, Stanislaus involves the construction of a groundwater recharge station. The notice to contractors provides details on bid proposals, project scope, budget estimate, project duration, and prequalification

0 views • 19 slides


Microplastic Occurrence in South Korean Groundwater by Well Depth and Hydrogeology

The study conducted by Kangwon National University in South Korea analyzed microplastic occurrence in groundwater from wells of varying depths and hydrogeological settings. Samples were collected from the National Groundwater Monitoring Network pipes in Gapyeong and Chuncheon. Water type analysis re

7 views • 6 slides


Understanding the Water Bearing and Yielding Properties of Rocks

This informative content delves into the significance of porosity and permeability in rock formations, detailing primary and secondary porosity types, factors influencing porosity, and the concept of Darcy's Law governing groundwater flow. It emphasizes the relationship between effective porosity, r

1 views • 13 slides


Understanding Groundwater: Occurrence, Recharge, and Movement

Groundwater occurs when water seeps into the subsurface through cracks and pores in rocks and soil, forming the water table. Recharge happens naturally through processes like precipitation and snowmelt, as well as artificially through methods like recharge wells and water spread over land. The movem

0 views • 8 slides


Understanding Groundwater Level Measurement Technologies

Groundwater levels are commonly measured using submersible pressure transducers, with data loggers used for monitoring and recording. Different options such as vented vs. non-vented systems, battery voltage considerations, and specifications for pressure sensors are discussed. Additional equipment l

0 views • 12 slides


Human Health Risk Assessment due to High Concentrated Arsenic in Groundwater

This term paper focuses on assessing human health risks associated with elevated levels of arsenic in drinking groundwater. Various exposure routes and sources of arsenic contamination are investigated, leading to a comprehensive risk assessment. The results indicate non-carcinogenic effects and pot

0 views • 6 slides


Groundwater Suitability Mapping Training Overview

The training program focuses on GIS and Remote Sensing for overlay analysis, with an emphasis on generating groundwater suitability maps. Dr. Maarten Waterloo leads the session, covering topics like data processing, automation, and sensitivity analysis. The program includes hands-on activities and e

0 views • 14 slides


Impact of Road Deicing Salts on Water Quality in Upper Passaic River Basin

An in-depth geochemical analysis conducted by Dr. Michael A. Turner and Dr. Duke U. Ophori studied the impact of road deicing salts on groundwater quality in the Upper Passaic River Basin, New Jersey. The study focused on major ions in groundwater, statistical analysis of ion concentrations, correla

0 views • 19 slides


Impacts and Implications of Climate Change on Groundwater Resources

Climate change has significant effects on groundwater resources, impacting storage, abstraction, and regulation. These impacts lead to challenges in water supply management, with implications on socio-ecological activities such as water stress, drought, and disease outbreaks. Understanding these con

0 views • 44 slides


Surface Water-Groundwater Interactions and Nitrogen Cycling in a Tidally Influenced River Study

Study on the dynamic interactions between surface water and groundwater in a tidal river, focusing on nitrogen cycling. The research highlights the impact of tidal fluctuations on bank storage, nitrogen transformation, and nutrient cycling. Findings suggest that river discharge affects the exchange

1 views • 16 slides


Arctic Environmental Seminar on Contaminants, Waste Handling, and Impact Reduction

Seminar on Arctic contaminants and plastic monitoring, waste handling practices at INTERACT stations, with presentations on AMAP monitoring programmes, waste handling systems, and survey design. Books on reducing environmental impacts of Arctic fieldwork and research stations are also highlighted.

2 views • 7 slides


Request for Declaratory Ruling Regarding Groundwater Contamination in North Carolina

Cape Fear River Watch, Sierra Club, Waterkeeper Alliance, and Western North Carolina Alliance have petitioned the EMC for a declaratory ruling concerning the application of groundwater rules to coal ash lagoons. They seek clarification on the 2L Rule's requirements for corrective action and source e

0 views • 7 slides


Sustainable Groundwater Management in Stanislaus County: A Comprehensive Overview

Long-term groundwater replenishment programs, pumping policies, and the Sustainable Groundwater Management Act (SGMA) are crucial for managing water resources in Stanislaus County. The Modesto Irrigation District's (MID) efforts in conjunctive use, groundwater recharge projects, and public outreach

2 views • 10 slides


Groundwater Contaminant Identification Through Water Sampling Techniques

This informative content discusses water sampling techniques used to identify contaminants in groundwater, focusing on factors such as FSMA regulations, total nitrogen levels, and best practices for sampling. It also addresses the importance of monitoring agricultural water quality to prevent microb

0 views • 28 slides


Understanding the Importance of Soil and Groundwater Measurements

Explore the significance of infiltration and hydraulic conductivity measurements in environmental studies, training sessions offered by Eijkelkamp Training & Consultancy, and various reasons for conducting measurements such as defining drain distance, disconnecting rainwater, soil and groundwater po

0 views • 55 slides


San Benito County Water District Groundwater Sustainability Agency Technical Advisory Committee Meeting Summary

The San Benito County Water District Groundwater Sustainability Agency Technical Advisory Committee met on August 26, 2020, to discuss various topics including update on GSP schedule, setting sustainability criteria, and monitoring for subsidence issues. The meeting highlighted the need for more sys

0 views • 33 slides


Virtual Groundwater Research Lab Solutions

CeRDI from the Centre for eResearch and Digital Innovation focuses on creating virtual groundwater research laboratories using interoperable technologies. They address challenges such as providing access to complex data, incorporating qualitative and quantitative data into models accurately, harness

0 views • 21 slides


Understanding Mental Contamination: Causes and Effects

Mental contamination is a phenomenon where individuals experience feelings of internal dirtiness and distress without physical contact with a contaminant. It is common among women who have experienced sexual trauma. Symptoms include fear of imagined contaminants, ritualistic acts to neutralize them,

0 views • 7 slides


Sustainable Groundwater Management Grant Applications Update

An update on the Round 2 Sustainable Groundwater Management Grants, including details on the grant application process, funding availability, application submissions, and project components. The applications are part of efforts to support sustainable groundwater management in the Turlock Subbasin an

0 views • 6 slides


Iron and Manganese Removal from Groundwater Study

Iron and manganese are common natural elements in groundwater, but their presence can lead to various issues such as metallic taste, staining of clothes and fixtures, and growth of iron bacteria. This study aims to analyze groundwater wells in Libya, identify high levels of iron and manganese, and p

0 views • 29 slides


Understanding Soil Pollution and Contaminants: Impact, Regulations, and Remediation

Effects of Soil Pollution include harm to aquatic life, crop contamination, structural damage, and health risks. Various contaminants of concern, such as heavy metals and radioactive compounds, pose threats to the environment and human health. Regulations by the EPA and California EPA set screening

0 views • 32 slides


Enhancing Flow Opportunities in Scott Valley Groundwater Study

The Scott Valley Groundwater Study identifies flow enhancement opportunities to improve water management and increase stream flows. Initiatives include developing an integrated hydrologic model, exploring water management strategies, and implementing groundwater recharge projects since 2008. The stu

0 views • 6 slides


Long-Term Management of Contaminated Soil and Groundwater in Iwilei District, Honolulu

The Iwilei District in Honolulu, Hawaii, spans 315 acres with multiple landowners and responsible parties. It features commercial and industrial use, including bulk fuel terminals, former MGP site, active/inactive petroleum pipelines, and Dole Cannery. The area has been impacted by petroleum-contami

0 views • 25 slides


Human Impacts on Groundwater Systems in Minnesota: A Study of Interactions and Solutions

Explore the intricate relationships between human activities and groundwater systems in Minnesota through investigations, models, and technological solutions. Utilize place-based evidence, including insights from Minnesota American Indian tribes and cultures, to understand and address climate change

0 views • 7 slides


Prioritisation of Emerging Contaminants: NORMAN Approach Overview

The NORMAN approach aids in prioritising emerging contaminants by categorising substances into action categories based on knowledge gaps and then prioritising them for further action. Typical steps involve choosing candidate substances, relevant parameters, using prioritisation algorithms, and addre

0 views • 17 slides


Prioritization of Emerging Contaminants in Europe

The NORMAN approach focuses on setting priorities among emerging contaminants in Europe by selecting over 700 substances based on expert judgment and scientific literature citations. The prioritization scheme specifically designed for emerging substances involves assessing knowledge gaps and necessa

0 views • 17 slides


Training Course on Control of Contaminants in Food Phase 2

This presentation covers key aspects of Regulations 882/2004/EC and EU/625/2017 regarding official controls on contaminants in food. It discusses strategic planning, risk-based approaches, new provisions, and the Multi-annual National Control Plan. The new Regulation EU/625/2017 brings changes in co

0 views • 10 slides


Redox Conditions and pH Control in a Mountain Watershed: Study in Red Canyon, Wyoming, USA

Exploring redox conditions and trace element concentrations in a semi-arid mountain watershed, this study in Red Canyon, Wyoming, delves into the impact of oxic surface water and anoxic groundwater on trace element cycling. The investigation aims to enhance understanding of seasonal variabilities, f

0 views • 11 slides


Understanding Groundwater Hydraulics and Hydrology

Explore the fundamentals of groundwater hydraulics and hydrology in this course, covering topics such as Darcy's law, aquifer testing, unsaturated flow, and more. Dive into practical applications and participate in a team project focusing on limiting hydraulic containment of contaminated aquifers. G

0 views • 25 slides


Enhanced Groundwater Recharge Technologies Overview

This presentation on Enhanced Groundwater Recharge Technologies covers a range of topics including background information, local assessments, groundwater recharge zones, and opportunities in Stanislaus County. It delves into various methods such as drywells, spreading basins, and aquifer storage, as

0 views • 9 slides


Enhancing Groundwater Governance and Cooperation in Phase 2 of GGRETA Project

The proposed Phase 2 of the GGRETA Project aims to improve groundwater governance, develop gender-responsive water approaches, and enhance cooperation on water security in countries like El Salvador, Honduras, South Africa, and others. The objectives include improving resource knowledge, fostering c

0 views • 5 slides


Understanding Groundwater Hydrology Concepts at Brigham Young University

Explore the derivation of transient terms, specific storage mechanisms, and distinctions between specific storage, storativity, and specific yield in groundwater hydrology. Delve into the mathematical equations governing groundwater flow and storage, understanding the change in mass stored in the sy

0 views • 17 slides


Understanding Groundwater Sustainability and Equilibrium Dynamics

This content delves into the concepts of groundwater sustainability, equilibrium, and capture in relation to groundwater management. It explores transitional storage, groundwater mining, and debunks the water budget myth. The images and explanations illustrate how pumping affects aquifers, the evolu

0 views • 11 slides


Exploring the Critical Relationship Between Climate and Groundwater

Investigating groundwater as a vital global resource, this study delves into the profound impact of climate change on groundwater levels and quality. Highlighting challenges and solutions, it emphasizes the urgent need for sustainable groundwater management practices.

0 views • 21 slides


Water Contamination and Human Health: Causes, Types, and Examples

Water contamination poses a significant risk to human health, caused by various pollutants such as microorganisms, chemicals, industrial wastes, and sewage. Common sources include human and animal sewage, industrial emissions, pesticides, and agricultural runoff. Different types of contaminants incl

0 views • 25 slides