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Water-resources data for the 2004 water year for New Mexico consist of records of discharge and water quality of streams; stage, contents, and water quality of lakes and reservoirs; and water levels and water quality in wells and springs. This report contains discharge records for 185 gaging stations; stage and contents for 22 lakes and reservoirs; water quality for 39 gaging stations, 108 wells, and 9 partial-record stations and miscellaneous sites; and water levels at 128 observation wells. Also included are 80 crest-stage, partial-record stations. Additional water data were collected at various sites not involved in the systematic data-collection program and are published as miscellaneous measurements. Two seepage investigations were made during the year. These data represent that part of the National Water Data System collected by the U.S. Geological Survey and cooperating Federal, State, and local agencies in New Mexico.
Preface
Report documentation page
Surface-water stations, in downstream order, for which records are published in this volume
Ground-water wells, by county, for which records are published in this volume
Discontinued surface-water-discharge stations
Discontinued surface-water-quality stations
Introduction
Cooperation
Summary of hydrologic conditions
Streamflow
Ground-water levels
Downstream order and station number
Numbering system for wells and miscellaneous sites
Special networks and programs
Explanation of stage- and water-discharge records
Data collection and computation
Data presentation
Station manuscript
Peak discharge greater than base discharge
Data table of daily mean values
Statistics of monthly mean data
Summary statistics
Identifying estimated daily discharge
Accuracy of field data and computed results
Other data records available
Explanation of precipitation records
Data collection and computation
Data presentation
Explanation of water-quality records
Collection and examination of data
Water analysis
Surface-water-quality records
Classification of records
Accuracy of the records
Arrangement of records
On-site measurements and sample collection
Water temperature
Sediment
Laboratory measurements
Data presentation
Remark codes
Water-quality control data
Blank samples
Reference samples
Replicate samples
Spike samples
Explanation of ground-water-level records
Site identification numbers
Data collection and computation
Data presentation
Water-level tables
Hydrographs
Ground-water-quality data
Data collection and computation
Laboratory measurements
Access to USGS water data
Definition of terms
Surface-water records
Discharge at partial-record stations and miscellaneous sites
Seepage investigations
Analyses of samples collected at water-quality partial-record stations and miscellaneous sites
Ground-water levels
Quality of ground water
Index
ILLUSTRATIONS
Figure 1. Map of New Mexico showing areas of 5-year ground-water-level monitoring
and years measured or scheduled for measurement
2. Hydrographs showing ground-water-level trends for the last 20 years
3. Diagram showing system for assigning latitude-longitude numbers to wells, springs,
and miscellaneous sites
4. Map showing New Mexico well-numbering system
5. Map showing Texas well-numbering system
6. Map of New Mexico showing location of surface-water gaging stations
7. Map of New Mexico showing location of partial-record stations
8. Map of New Mexico showing location of active surface-water-quality gaging stations
9. Map of New Mexico showing location of observation wells
TABLES
Calendar for water year 2004
Conversion factors
Send questions or comments about this report to the author, L.K. Miller (505) 830-7908
For more information about USGS activities in New Mexico, visit the USGS New Mexico District home page.
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