| Element Summary |
| Activity | Allows for the reporting of monitoring activities conducted at a Station Location. |
| ActivityAssignmentProjectIdentifier | A designator used to uniquely identify within an Organization the project with which an activity is associated. |
| ActivityBottomDepthAltitudeMeasureValue | A measurement of the lower vertical location of a vertical location range (measured from a reference point) at which an activity occurred. |
| ActivityCommentText | General comments concerning the activity. |
| ActivityConductingOrganizationText | A name of the Organization conducting an activity. |
| ActivityDepthAltitudeMeasureUnitCode | The code that represents the unit for measuring the vertical measure. |
| ActivityDepthAltitudeMeasureValue | A measurement of the vertical location (measured from a reference point) at which an activity occurred. |
| ActivityDepthAltitudeReferencePointText | The reference used to indicate the datum or reference used to establish the depth/altitude of collection. |
| ActivityDescription | Basic identification information for the location/site that is monitored or used for sampling. |
| ActivityEndDate | The calendar date when the field activity was completed. |
| ActivityEndTime | The measure of clock time when the field activity ended. |
| ActivityIdentifier | Designator that uniquely identifies an activity within an organization, station, and activity start date. |
| ActivityLocation | Geospatial description of monitoring site, if it is different from that described in the station description. |
| ActivityMediaSubdivisionText | Name or code indicating the environmental matrix as a subdivision of the sample media. |
| ActivityMediaText | Name or code indicating the environmental medium where the sample was taken. |
| ActivityStartDate | The calendar date on which the field activity was started. |
| ActivityStartTime | The measure of clock time when the field activity began. |
| ActivityTopDepthAltitudeMeasureValue | A measurement of the upper vertical location of a vertical location range (measured from a reference point) at which an activity occurred. |
| ActivityTypeCode | The text describing the type of activity. |
| AddressPostalCode | The combination of the 5-digit Zone Improvement Plan (ZIP) code and the four-digit extension code (if available) that represents the geographic segment that is a subunit of the ZIP Code, assigned by the U. |
| AddressTypeName | Categorizes an address as either location, shipping, or mailing address. |
| AnalysisDate | Date on which a laboratory run occurred to obtain a result. |
| AnalysisTime | The local time and relative time zone using UTC in which a laboratory run occurred to obtain a result. |
| AttachedBinaryObject | Reference document, image, photo, GIS data layer, laboratory material or other electronic object attached within a data exchange, as well as information used to describe the object. |
| BinaryObjectContent | The actual binary object. |
| BinaryObjectFileName | The text describing the descriptive name used to represent the file, including file extension. |
| BinaryObjectFileTypeCode | The text or acronym describing the binary content type of a file. |
| CharacteristicName | The object, property, or substance which is evaluated or enumerated by either a direct field measurement, a direct field observation, or by laboratory analysis of material collected in the field. |
| CommentText | Free text with general comments concerning the activity. |
| CountryCode | A code designator used to identify a primary geopolitical unit of the world. |
| CountyCode | A code designator used to identify a U. |
| DetectionQuantitationLevel | Information that describes one of a variety of detection or quantitation levels determined in a laboratory. |
| DetectionQuantitationLevelMeasure | Constituent concentration that, when processed through the complete method, produces a signal that is statistically different from a blank. |
| DetectionQuantitationLevelMeasureUnitCode | The code that represents the unit for measuring the detection or quantitation level. |
| DetectionQuantitationLevelTypeName | Text describing the type of detection or quantitation level used in the analysis of a characteristic. |
| ElectronicAddress | A location within a system of worldwide electronic communication where a computer user can access information or receive electronic mail. |
| ElectronicAddressText | A resource address, usually consisting of the access protocol, the domain name, and optionally, the path to a file or location. |
| ElectronicAddressTypeName | The name that describes the electronic address type. |
| HorizontalCollectionMethodCode | The code that represents the method used to determine the latitude and longitude coordinates for a point on the earth. |
| HorizontalReferenceDatumCode | Information that describes the reference datum used in determining latitude and longitude coordinates. |
| LaboratoryName | The name of Lab responsible for the result. |
| LabSamplePreparation | Describes Lab Sample Preparation procedures which may alter the original state of the Sample and produce Lab subsamples. |
| LabSamplePreparationDate | The date on which the sample preparation procedure was performed in the lab. |
| LabSamplePreparationMethod | Identifies the formally documented method ID, method ID context, and method name used to prepare the sample in the lab. |
| LabSamplePreparationTime | The time on which the sample preparation procedure was performed in the lab. |
| LatitudeMeasure | The measure of the angular distance on a meridian north or south of the equator. |
| LocalityName | The name of a city, town, village or other locality. |
| LocationAddressText | The address that describes the physical (geographic) location of the front door or main entrance of a facility site, including urban-style street address or rural address. |
| LongitudeMeasure | The measure of the angular distance on a meridian east or west of the prime meridian. |
| MeasureUnitCode | The code that represents the unit for measuring the item. |
| MeasureValue | The recorded dimension, capacity, quality, or amount of something ascertained by measuring or observing. |
| MethodIdentifierCode | The identification number or code assigned by the method publisher. |
| MethodIdentifierCodeListIdentifier | A designator specifying the code set used to provide a reference method code. |
| MethodName | The title of the method that appears on the method from the organization that published it. |
| MonitoringLocation | An identifiable location where an environmental sample, onsite measurement, and/or observation is determined. |
| MonitoringLocationDelete | An identifiable location using a minimum set of information where an environmental sample, onsite measurement, and/or observation is determined. |
| MonitoringLocationDescriptionText | Text description of the monitoring location. |
| MonitoringLocationGeospatial | Monitoring location geographic location. |
| MonitoringLocationIdentifier | A designator used to describe the unique name, number, or code assigned to identify the monitoring location. |
| MonitoringLocationIdentity | Basic identification information for the location/site that is monitored or used for sampling. |
| MonitoringLocationName | The designator specified by the sampling organization for the site at which sampling or other activities are conducted. |
| MonitoringLocationTypeName | The descriptive name for a type of monitoring location. |
| Organization | Schema used to transfer organization information. |
| OrganizationAddress | The physical address of an organization. |
| OrganizationDelete | Schema used to delete organization information. |
| OrganizationDescription | The particular word(s) regularly connected with a unique framework of authority within which a person or persons act, or are designated to act, towards some purpose. |
| OrganizationDescriptionText | Information that further describes an organization. |
| OrganizationFormalName | The legal designator (i. |
| OrganizationIdentifier | A designator used to uniquely identify a unique business establishment within a context. |
| OWWQX | Main Schema used to transfer water monitoring results to EPA Office of Water. |
| OWWQXDelete | Main Schema used to delete a portion of water monitoring results from EPA Office of Water system. |
| PortableDataLoggerLineName | Portable data logger name. |
| Project | An environmental data collection effort that has a stated purpose and puts a series of samples and results into a meaningful context. |
| ProjectDescriptionText | Project description text. |
| ProjectIdentifier | A designator used to uniquely identify a data collection project within a context of an organization. |
| ProjectName | The name assigned by the Organization (project leader or principal investigator) to the project. |
| ReferenceMethod | Identifies the procedures, processes, and references required to determine the methods used to obtain a result. |
| Result | Describes the results of a field measurement, observation, or laboratory analysis. |
| ResultAnalyticalMethod | Allows for the optional association of an analytical method employed either in the Lab or in the Field with any result. |
| ResultBiasText | Text describing the systematic error or bias of the reported measure. |
| ResultCommentText | Free text with general comments concerning the result. |
| ResultDescription | Describes the results of a field measurement, observation, or laboratory analysis. |
| ResultDetectionConditionText | The textual descriptor of a result. |
| ResultDetectionQuantitationLevel | Information that describes one of a variety of detection or quantitation levels determined in a laboratory. |
| ResultLabInformation | Describes information obtained by a laboratory related to a specific laboratory analysis. |
| ResultLaboratoryCommentCode | User defined free text describing the particle size class for which the associated result is defined. |
| ResultParticleSizeBasisText | User defined free text describing the particle size class for which the associated result is defined. |
| ResultSampleFractionText | The text name of the portion of the sample associated with results obtained from a physically-partitioned sample. |
| ResultStatisticalBaseCode | The code for the method used to calculate derived results. |
| ResultStatusText | Indicates whether the result value is in a confirmed or final state or is still a preliminary value pending further quality assurance checks. |
| ResultTemperatureBasisText | The name that represents the controlled temperature at which the sample was maintained during analysis, e. |
| ResultTimeBasisText | The period of time (in days) over which a measurement was made. |
| ResultValueMeasure | The reportable measure of the result for the chemical, microbiological or other characteristic being analyzed. |
| ResultValueMeasurePrecisionText | The precision of the recorded value. |
| ResultValueMeasureUnitCode | The code that represents the unit for measuring the chemical substance, microbiological substance or other characteristic. |
| ResultValueTypeName | A name that qualifies the process which was used in the determination of the result value (e. |
| ResultWeightBasisText | The name that represents the form of the sample or portion of the sample which is associated with the result value (e. |
| SampleCollectionEquipmentCode | The code that represents equipment used in collecting the sample. |
| SampleCollectionMethodText | Where a documented sample collection method has been employed, this element will be used to capture the identifying code for that method. |
| SampleDescription | Basic identification information for the sample collected as part of a monitoring activity. |
| SampleHoldingContainerColorCode | The code that represents the color of the sample container. |
| SampleHoldingContainerMaterialCode | The code that represents the material of the sample container. |
| SamplePreparation | Describes a sample preparation procedure which may be conducted on an initial Sample or on subsequent subsamples. |
| SamplePreparationMethodText | Text describing sample preparation methods and equipment of a sample which may also produce subsamples from an initial sample. |
| SamplePreservationChemicalText | Identifies the chemical means applied in the field to preserve the sample. |
| SamplePreservationThermalCode | Identifies the temperature means applied in the field to preserve the sample. |
| SampleSubsampleDescription | Uniquely identifies and describes a subsample produced by the operation of sample preparation. |
| SampleTissueAnatomyName | The name of the anatomy from which a tissue sample was taken. |
| SampleTissueTaxonomicName | The name of the organism from which a tissue sample was taken. |
| SampleTransportStorageDescription | The text describing sample handling and transport procedures used. |
| SourceMapScaleNumber | The number that represents the proportional distance on the ground for one unit of measure on the map or photo. |
| StateCode | A code designator used to identify a principal administrative subdivision of the United States, Canada, or Mexico. |
| SubsampleIdentifier | The designator (unique within the Organization, Station, Activity Start Date, and Activity ID) which identifies the subsample. |
| SupplementalAddressText | The text that provides additional information about an address, including a building name with its secondary unit and number, an industrial park name, an installation name or descriptive text where no formal address is available. |
| TelephoneExtensionNumberText | The number assigned within an organization to an individual telephone that extends the external telephone number. |
| TelephoneNumberText | The number that identifies a particular telephone connection. |
| TelephoneNumberTypeName | The name that describes a telephone number type. |
| Telephonic | An identification of a telephone connection. |
| TribalCode | The code that represents the American Indian tribe or Alaskan Native entity. |
| VerticalCollectionMethodCode | The code that represents the process used to verify the vertical measure. |
| VerticalMeasure | The measure of elevation (i. |
| VerticalMeasureUnitCode | The code that represents the unit for measuring the vertical measure. |
| VerticalReferenceDatumCode | Information that describes the reference datum used to determine the vertical measure (i. |