3 edition of Statistical analysis of nitrate in ground water, west Salt River Valley, Arizona found in the catalog.
Statistical analysis of nitrate in ground water, west Salt River Valley, Arizona
A. E. Long
1997 by U.S. Dept. of the Interior, U.S. Geological Survey, Branch of Information Services [distributor] in Tucson, Ariz, Denver, CO .
Written in English
|Statement||by A.E. Long, James G. Brown, and D.J. Gellenbeck.|
|Series||Water-resources investigations report -- 97-4185., Open-file report -- 97-16., Open-file report (Arizona. Dept. of Environmental Quality) -- 97-16.|
|Contributions||Brown, James G. 1956-, Gellenbeck, D. J., Geological Survey (U.S.), Arizona. Dept. of Environmental Quality.|
|The Physical Object|
|Pagination||v, 38 p. :|
|Number of Pages||38|
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Statistical Analysis Statistical analysis of nitrate in ground water Nitrate in Ground Water, West Salt River Valley, Arizona By A.E. LONG, JAMES G. BROWN and DJ.
GELLENBECK Statistical analysis of nitrate in ground water. GEOLOGICAL SURVEY Water-Resources Investigations Report 97 and ARIZONA DEPARTMENT OF ENVIRONMENTAL QUALITY Open-File Report Prepared in cooperation with the ARIZONA DEPARTMENT OF ENVIRONMENTAL QUALITYAuthor: Andy E.
Long, James G. Brown, Dorinda J. Gellenbeck. Accurate estimates of the nitrate concentrations in Statistical analysis of nitrate in ground water water in west Salt River Valley are needed to better manage ground water affected by nitrate.
Statistical analyses were done to establish the best statistical method to produce these estimates. Three sets of ground-water data for different time periods, and were Arizona book to analyze spatial and temporal. Additional Physical Format: Online version: Long, A.E.
Statistical analysis of nitrate in ground water, west Salt River Valley, Arizona. Tucson, Ariz.: U.S. Dept. Isotopic Compositions and Sources of Nitrate in Ground Water from Western Salt River Valley, Arizona By Arizona book. Gellenbeck U.S. GEOLOGICAL SURVEY Water-Resources Investigations Report 94 Prepared in cooperation with the ARIZONA DEPARTMENT OF Cited by: 8.
Figure 3: This figure shows predicted concentrations of nitrate-N in ground-water. Over 9% of the state, or 12, square miles, has an 80% chance (probability) of nitrate groundwater contamination exceeding 5 mg/L, half the drinking water MCL.
Figure 4: This figure shows predicted concentrations of File Size: 1MB. arizona state land department obed m. lassen, commissioner basic ground-water data for western salt river valley maricopa county, arizona prepared by the geological survey united states department of the interior in cooperation with the arizona state land department and the maricopa county municipal water conservation district no.1 by.
In Arizona, high nitrate-N concentrations (15 to 40 mg/l) associated with Arizona book practices were noted near Phoenix in the West Salt River Valley.
Confined animal feeding operations and septic systems also are a major source of nitrate here, producing concentrations as File Size: KB. by Katherine Ransom and Thomas Harter In California’s Central Valley, many communities depend significantly or entirely on groundwater as their drinking water supply.
Studies estimate the number of private wells in the Central Valley to be Arizona book the order ofto(Viers et al., ; Johnson and Belitz, ). Elevated nitrate concentrations in.
Soil Survey of the Salt River Valley Area, Arizona () Author: USDA Subject: Soil Keywords: Soil Survey Salt River Valley Arizona Maricopa Created Date: 9/30/ AM. Gellenbeck, Statistical Analysis of Nitrate in Ground Water, West Salt River Valley, Arizona, U.S. Geological Survey Water-Resources Investigations Rep ort For years, growers, water providers, regulators and others have recognized that something needs to be done about the salt and nitrate in the soil and groundwater of the Central Valley, particularly those areas where contamination is so bad that it has hurt agricultural production and put the safety of public water sources in jeopardy.
San Joaquin River Upstream of Vernalis Salt and Boron Basin Plan Amendment Statistical analysis of nitrate in ground water Amendment to the Water Quality Control Plan for the Sacramento River and San Joaquin River Basins to adopt Water Quality Objectives for the Lower San Joaquin River upstream Arizona book the Airport Way Bridge near Vernalis to the mouth of the Merced River.
was adopted at the 9 June Central Valley Water Board Hearing. Rapid population growth in Douglas County, an area of approximately square miles in west-central Nevada, has led to concern about the present and future effects of development on ground water.
This report describes the results of two nonparametric statistical procedures applied to detect trends in concentrations of chloride, dissolved solids, and nitrate in ground Arizona book. We can use the age-tracer isotope data to determine how long the water has been in the ground-water system.
Ground-water age in the high-nitrate wells varies throughout the area. Tritium analysis indicates that high-nitrate ground water was recharged before, after, and during above-ground nuclear testing of the s when tritium concentrations.
Arizona's arid environment and aquifer types allow for the persistence of nitrate contamination in ground water. Agricultural practices and the prevalence of septic systems contributes to this water quality concern, resulting in nitrate exceeding the EPA Maximum.
Statistical analysis of nitrate in ground water, west Salt River Valley, Arizona Isotopic compositions and sources of nitrate in ground water from western Salt River Valley, Arizona / (Tucson, Ariz.: U.S. Dept of the Interior A comparison of three methods for the determination of nitrates in.
Notice - The USGS Water Resources Mission Area's priority is to maintain the safety and well-being of our communities, including providing critical situational awareness in times of flooding in all 50 U.S.
states and additional territories. Our hydrologic monitoring stations continue to send data in near real-time to NWISWeb, and we are continuing critical water monitoring activities to. Trends in Ground Water Nitrate Contamination in the Phoenix, Arizona Region Article in Ground Water Monitoring and Remediation 27(2) - 56 March with Reads How we measure 'reads'.
Soil Survey in Salt River Valley, Arizona () Author: USDA Subject: Soils Keywords: Soil Survey Salt River Valley Arizona Created Date: 8/2/ AM.
The statistical method (Weighted Regressions on Time, Discharge, and Season - WRTDS) has been used in a number of studies of water quality trends in the US (Chesapeake Bay Watershed, Mississipi River Basin, Lake Champlain Basin, and elsewhere) to describe and better understand changing concentrations and fluxes of nutrients in river systems.
Water Resources Salt River Project (SRP) – National Reclamation Act (Provided funding for SRP) – SRP established: 1 st multipurpose reclamation project in the US (water & power) – Granite Reef Diversion completed – Roosevelt Dam Completed (later expanded in ) From – SRP built 5 more dams 3 on the.
Nitrate is one of the state’s most widespread groundwater contaminants. It is prin-cipally a byproduct of nitrogen in fertilizer used to grow crops. Nitrate concentrations in public drinking water that exceed the California Department of Public Health (CDPH) maximum contaminant level (MCL) for nitrate in drinking water of 45 milligrams.
eﬀ ects of development on ground-water quality in this region, concentrations of nitrate, DBCP, and simazine in ground water were evaluated at multiple spatial scales. At the local scale, mean ground-water ages from analysis of age-dating tracers were com-bined with.
Table of Contents Central Valley Salt and Nitrate Management Plan v B Basin Salt & Nitrate Mass Balance B Basin Evaluation of Trends and Projected Water Quality B Water Quality Analysis Methods B Management Zone Delineation Methods B Final Groundwater Analyses B Salt and Nitrate Management Studies.
During35 wells completed in the principal aquifer in the Salt Lake Valley, Utah, that had been sampled during were resampled to determine if water quality changes had occurred. The dissolved solids concentration of the water from 13 of the wells has increased by more than 10% since Author: K.
Waddell, R. Seiler, D. Solomon. Watershed for Purposes of Nitrate Analysis Stephen Clayton The San Joaquin Valley is regarded as one of the most productive agricultural regions in the world.
This extensive agriculture has, however, caused extensive pollution of both ground water and surface water. This thesis develops a hydrologic model of the surface and ground waters of the. Maps and time-series plots of concentrations of selected water-quality constituents (arsenic, boron, chromium-6, total chromium, dissolved oxygen, fluoride, iron, manganese, nitriate plus nitrite as nitrogen, total dissolved solids, uranium, and vanadium) in the Mojave River and Morongo groundwater basins.
of salt in the diet, including drinking water. Accordingly, salt’s rel-evance to health, road salt’s impact on drinking water, and measures being taken to mitigate the contamination of drinking water by road salt are reviewed in this chapter. RELEVANCE OF SALT TO HEALTH Salt is relevant to health primarily because it is a principal source ofFile Size: KB.
Generally, water having nitrate concentrations around 1 mg/L (red boxes) (except for site ID 17, a well completed in bedrock supplying water to a gravel pit on the eastern basin margin) are more depleted in δ 18 O than the water samples with nitrate concentrations >3 mg/L (blue diamonds).
Site ID 12 is an irrigation well having the anomalously. Salinity of the ground water in western Pinal County, Arizona on *FREE* shipping on qualifying offers. Salinity of the ground water in western Pinal County, ArizonaManufacturer: United States Geological Survey.
A regional assessment of multi-decadal changes in nitrate concentrations was done using historical data and a spatially stratified non-biased approach. Data were stratified into physiographic subregions on the basis of geomorphology and soils data to represent zones of historical recharge and discharge patterns in the basin.
Data were also stratified by depth to represent a shallow zone Cited by: the west. The Central Valley is composed of parts of four hydrographic drainage basins. The Sacramento Valley occupies the northern one-third of the Central Valley.
The San Joaquin Valley occupies the southern two-thirds of the Central Valley and is made up of the San Joaquin Basin in the north and the interior-draining Tulare Basin in the south.
In a national study of groundwater quality, the USGS found that arsenic was detected in nearly half of the wells sampled in parts of aquifers used for drinking-water supply at a concentration of 1 µg/L or greater. Detections were more common and concentrations generally were higher in the west than in the east.
About 7 percent of the wells sampled contained arsenic at a concentration that. Irrigating desert soils, a change to a wetter climate, disposal of liquid wastes, or construction of dams could release large quantities of nitrate to ground water, which in turn could potentially threaten drinking-water supplies (high concentrations of nitrate can cause human health problems).
USGS TONTO CREEK ABOVE GUN CREEK, NEAR ROOSEVELT, AZ. Station operated in cooperation with the Salt River Valley Water Users' Association, the Arizona Department of Water Resources, and the USGS.
HIGH DATA RATE (Site data are transmitted & updated hourly) This station managed by the Tempe Field Office; USGS AZ-WSC. Site Background. The Monument Valley site is located within the Navajo Nation in northeastern Arizona, 24 km south of Mexican Hat, Utah.
Uranium mining at the site occurred from toafter which the mill closed (Dawson, ).During that time the site was one of the largest producers of uranium in the state of Arizona (with a production oftons of uranium and vanadium ore).Cited by: agricultural land use activities on the ground surface.
The study area for this analysis is the Salinas Valley Groundwater Basin, an agriculturally dominated basin in coastal California. The Salinas Valley Basin is both one of the most agriculturally productive areas of the state, as well as one of the most nitrate-contaminated basins in the : Bernadette Boyle.
The MCL for nitrate in its full form (NO3) is 45 parts per million (ppm). The preferred measurement by the state is nitrate as nitrogen (N), which indicates the nitrogen portion of the nitrate molecule; this MCL is 10 ppm.
Water quality test results for all of Cal Water’s systems in the Salinas Valley are well below both limits, Granillo added. Generalized Hydrogeology and Ground-Water Budget for the C Aquifer, Little Colorado River Basin and Parts of the Verde and Salt River Basins, Arizona and New Mexico Prepared in cooperation with the NATIONAL PARK SERVICE By Robert J.
Hart, John J. Ward, Donald J. Bills, and Marilyn E. Flynn Tucson, Arizona February Occurrence of Nitrate in Groundwater--A Review R. Spalding* and M. Exner ABSTRACT The results of federal, state, and local surveys, which included more than NOa-N data points, are summarized in this review of NOn in groundwater in the USA.
The levels of NO3-N are associated. Report ( mb PDF) ; Digital spatial data - for national probability pdf Poster - Pdf in ground water: Using a model to simulate the probability of nitrate contamination of shallow ground water in the conterminous United States - USGS Scientific Investigations Map - Poster-size (32x39 inches) version of the national probability map.Section 3 Salt download pdf Nitrate in the Central Valley.
Introduction. This section provides an overview of known salt and nitrate water quality conditions in groundwater and surface water in the Central Valley Region of California, with emphasis on the former.
Salt and nitrate management requires an understanding of water mo vement on and.Nitrate (NO3) ebook a form of nitrogen combined with oxygen. It can be ebook in the body to nitrite (NO2).
The major adult intake of nitrate is from food rather than water, but sometimes excessive amounts of nitrate get into drinking water. How does nitrate get into drinking water?
Nitrate, one of the most widespread contaminants.