Quantification of Nitrate Level in Shallow and Deep Groundwater ...

The estimated nitrate concentrations for four categories of wells in the northeastern arid regions of Saudi Arabia—commercial treated water stations for ...

Nitrate (NO3−) is a vulnerable natural contaminant that can be found in groundwater. ... Drinking water from all commercial treated water stations ...

Quantification of Nitrate Level in Shallow and Deep Groundwater ...

1. When making nitrate analyses, the major source of errors in the used method may be caused the size of test water. The 20 mL can be 19.5 or ...

Quantifying nitrate pollution sources of shallow groundwater and ...

The results showed that the nitrate concentration ranged from 0.00 to 293.21 mg/L, and that 18.37% groundwater samples exceeded the standard of drinking water ...

Quantification of Nitrate Level in Shallow and Deep Groundwater ...

Quantification of Nitrate Level in Shallow and Deep Groundwater Wells for Drinking, Domestic and Agricultural Uses in Northeastern Arid Regions of Saudi Arabia.

[PDF] Quantification of Nitrate Level in Shallow and Deep ...

Nitrate (NO3−) is a vulnerable natural contaminant that can be found in groundwater. The estimated nitrate concentrations for four categories of wells in ...

Quantification of Nitrate Level in Shallow and Deep Groundwater ...

Quantification of Nitrate Level in Shallow and Deep Groundwater Wells for Drinking, Domestic and Agricultural Uses in Northeastern Arid Regions of Saudi Arabia.

Nitrate in Ground Water:

Assemble data sets describing the explanatory variables so that the variables can be quantified. In this case: □ Nitrate contamination of shallow ground water.

Quantification of Nitrate Level in Shallow and Deep ... - Altmetric

Quantification of Nitrate Level in Shallow and Deep Groundwater Wells for Drinking, Domestic and Agricultural Uses in Northeastern Arid Regions of Saudi Arabia.

Nitrate in shallow groundwater after more than four decades of ...

Sampling of 26 wells over an 18-month period revealed high spatial variability of groundwater nitrate concentrations, ranging from <0.1 mg-N/L to 1350 mg-N/L ( ...

National look at nitrate contamination of Ground Water

Nitrate concentrations in natural ground waters are usually less than 2 mg/L (Mueller and others, 1995). Risk of ground-water contamination by ...

Factors Affecting Nitrate Concentrations in Ground Water in Stafford ...

indicates that higher nitrate-N levels in shallow ground water may occur because of nutrient loading to shallow water tables and low vertical gradients and ...

Examining Relationships Between Groundwater Nitrate ...

We found that higher nitrate levels were potentially driven by three factors: source (agricultural nitrogen inputs), vulnerable soils (low ...

Examining Relationships Between Groundwater Nitrate ... - NCBI

Nitrate ingested from drinking water has been linked to adverse health outcomes (e.g., cancer, birth defects) at levels as low as ∼2 mg/L NO3‐N, ...

Groundwater Nitrate in Nebraska: Key Factors and Timescales of ...

Recent nitrate-N levels in groundwater are the result of several factors. Key factors include land use, the amount and timing of precipitation and irrigation ...

Estimated Nitrate Concentrations in Groundwater Used for Drinking

While nitrate does occur naturally in groundwater, concentrations greater than 3 mg/L generally indicate contamination (Madison and Brunett, ...

Sources and transport of nitrate in shallow groundwater in the ...

... Groundwater Basin, where high nitrate levels ... higher nitrate concentrations in shallow monitoring and domestic wells than in deep.

Spatiotemporal variation of nitrate concentrations in soil and ...

Recently, the NO3-N concentrations exceeded the Japanese drinking water standard of 10 mg L−1 in some wells. High nitrate levels in groundwater ...

Vulnerability of shallow groundwater and drinking-water wells to ...

The shallow groundwater model (mean square error or MSE = 2.96) yielded a coefficient of determination (R(2)) of 0.801, indicating that much of ...

Nitrate in Groundwater of the United States, 1991−2003

Nitrate concentrations were higher than the USEPA maximum contaminant level (MCL) of 10 mg/L in 437 wells (8%); concentrations were above the ...