EGRET (version 2.3.0)

processQWData: Processing of USGS NWIS Water Quality Data

Description

Processes water quality portal data. This function looks at detection limit and detection conditions to determine if a value is left censored or not. Censored values are given the qualifier "

Usage

processQWData(data, pCode = TRUE)

Arguments

data

dataframe from Water Quality Portal

pCode

logical if TRUE, assume data came from a pCode search, if FALSE, characteristic name.

Value

• data dataframe with first column dateTime, and at least one qualifier and value columns (subsequent qualifier/value columns could follow depending on the number of parameter codes)

See Also

readWQPqw

Examples

library(dataRetrieval)

rawSample <- readWQPqw('USGS-01594440','', '', '')
rawSampleSelect <- processQWData(rawSample)

rawWQP <- readWQPqw('21FLEECO_WQX-IMPRGR80','Phosphorus', '', '')
Sample2 <- processQWData(rawWQP)