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USGS Current Conditions for Kansas

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Historic (pre-2007) gage-height data may contain erroneous values, such as pressure sensors encased in ice, even if they are flagged as approved. These data are made available to the public, but data users are cautioned to carefully screen the data and contact the USGS Kansas Water Science Center if they have questions or concerns about specific values.

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Parameter Help

Parameter codes are 5-digit codes used to identify the constituent measured and the units of measure. Some parameter code definitions include information about the methods used to measure the constituent, but this level of information is not currently consistent in the naming system. There are two types of parameter codes:

  1. Fixed-value codes, where the result value is a numeric code that represents a textual meaning. These codes are described here.
  2. Numeric codes, where the result is a numeric value for chemical, physical, and biological data.

  3. The following table shows an example of several parameter codes and definitions. This table also illustrates how several parameter codes may exist for one type of measurement.
    Parameter Code Parameter Definition
    00910 Calcium, water, unfiltered, milligrams per liter as calcium carbonate
    00915 Calcium, water, filtered, milligrams per liter
    00916 Calcium, water, unfiltered, recoverable, milligrams per liter
    91051 Calcium, water, filtered, micrograms per liter
  4. A complete list of parameter codes, associated groupings can be found here.