tmdl_targets: Oregon TMDL targets

In DEQcdonald/odeqtmdl: Oregon TMDL database

Oregon TMDL targets

Description

Inventory of unique TMDL targets from Oregon TMDLs. Targets may include the TMDL Loading capacity, Load Allocation, Surrogate Measure, or Endpoint.

Usage

data(tmdl_targets)

Format

An object of class data.frame with 476 rows and 18 columns.

Details

Note the TMDL information is still being assembled and is undergoing review. Some information is not included or may be accurate. See each relevant TMDL document for the official record and more information. TMDLs developed by tribal governments are not included at this time.

• action_id: EPA ATTAINS Action ID assigned to each TMDL document.

• geo_id: Unique ID assigned to the NHD reaches where a TMDL target applies. ID is structured as YearTMDLissued_ShortTMDLdocName_TargetGeoArea.

• TMDL_pollutant: Name of TMDL pollutant causing the water quality impairment.

• field_parameter: Name of the parameter to be sampled in the field.

• target_type: Type of target, e.g. concentration, load, clarity, percent, temperature.

• target_value: Value of TMDL target.

• target_units: Parameter units of the TMDL target.

• Unit_UID: Parameter unit Unique ID. UIDs are the same as Oregon DEQ's AWQMS database.

• target_time_base: The time period to use with the statistical base to assess results against the TMDL target.

• time_base_UID: The target time period unique ID. UIDs are the same as Oregon DEQ's AWQMS database. NA indicates a UID has not been assigned.

• target_stat_base: The statistical method used to assess results against the TMDL target.

• stat_base_UID: The statistical method unique ID. UIDs are the same as Oregon DEQ's AWQMS database. NA indicates a UID has not been assigned.

• season_start: The beginning of the period when the target applies. Date in format '

• season_end: The end of the period when the target applies. Date in format '

• target_conditionals: Specific conditions or information describing how or when to apply the target.

• TMDL_element: The TMDL element under which the target is identified.e.g. Loading Capacity, Load Allocation, Surrogate Measure, Endpoint

• target_reference: TMDL page or table reference where target is discussed.

• target_comments: Comments about the TMDL target.

Examples

db1 <- data(tmdl_targets)
db2 <-odeqtmdl::tmdl_targets

DEQcdonald/odeqtmdl documentation built on Feb. 9, 2025, 10:13 a.m.