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Groundwater

Environmental Implications of Excess Fertilizer and Manure on Water Quality

When nutrients and other pollutants associated with animal manures and commercial fertilizers are not managed properly, they can affect plant and animal life (including humans) negatively. Some of these impacts include algae blooms causing the depletion of oxygen in surface waters, pathogens and nitrates in drinking water, and the emission of odors and gases into the air.

Water Quality and Nitrogen

Monitoring studies conducted at national and state levels show that nitrogen (N) concentrations in groundwater exceed health standards more often than other common contaminants, such as pesticides.

How to for Assess Nitrogen Problems in Water Resources

Over the years, scientists have come to realize that accurately predicting nitrogen (N) problems in water resources depends on knowledge of the interaction among many factors. It is a complicated process that we have not yet mastered, but we do know that some factors consistently exert significant control over the processes that affect N mobility, availability, and accessibility. Determining the value of these factors and combining those values into a single value assigned to a specific geographic area is the basis for assessment.

Environmental Impacts of Brine (Produced Water)

Brine, or produced water, is a byproduct of oil and gas production. It consists of water from the geologic formation, injection water, oil and salts. Brine has a high salt concentration the ions of the salts negatively affect the site's soil and vegetation, impairing its ability to produce crops and forage. the goal of brine spill remediation is to remove or minimize salts in the soil.

Working to Avoid Nitrogen Contamination

Activities of human beings have changed the balance of nitrogen (N) on the planet. Burning fossil fuels for energy, intensive use of land to grow food, and disposal of organic wastes have an effect on the N cycle. Studying the influence of our activities on the N cycle helps us understand the consequences of changing the balance of N in the environment.

A Guide to Plugging Abandoned Wells

This publication provides a guide on how to properly abandon unused wells with example problems. Abandoned wells can provide a direct link for contaminants to enter the groundwater plus the larger wells can be a safety hazard. Used by both NRCS and ND Health Department.

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