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Construct WQP url for data retrieval

Source: R/constructNWISURL.R
constructWQPURL.Rd

Construct WQP url for data retrieval. This function gets the data from here: https://www.waterqualitydata.us

Usage

constructWQPURL(siteNumbers, parameterCd, startDate, endDate, legacy = TRUE)

Arguments

siteNumbers

string or vector of strings USGS site number.

parameterCd

string or vector of USGS parameter code. This is usually an 5 digit number.

startDate

character starting date for data retrieval in the form YYYY-MM-DD. Default is "" which indicates retrieval for the earliest possible record.

endDate

character ending date for data retrieval in the form YYYY-MM-DD. Default is "" which indicates retrieval for the latest possible record.

legacy

Logical. If TRUE, uses legacy WQP services. Default is TRUE. Setting legacy = FALSE uses WQX3.0 WQP services, which are in-development, use with caution.

Value

url string

Examples

site_ids <- c("USGS-02292010", "USGS-02276877")
startDate <- "2020-01-01"
endDate <- ""
pCode <- c("80154", "00613")
url_wqp <- constructWQPURL(
  site_ids,
  pCode,
  startDate, endDate
)
url_wqp
#> [1] "https://www.waterqualitydata.us/data/Result/search?siteid=USGS-02292010;USGS-02276877&pCode=80154;00613&startDateLo=01-01-2020&mimeType=csv"
charNames <- c(
  "Temperature",
  "Temperature, sample",
  "Temperature, water",
  "Temperature, water, deg F"
)
obs_url_orig <- constructWQPURL(
  siteNumbers = c(
    "IIDFG-41WSSPAHS",
    "USGS-02352560"
  ),
  parameterCd = charNames,
  startDate, ""
)
obs_url_orig
#> [1] "https://www.waterqualitydata.us/data/Result/search?siteid=IIDFG-41WSSPAHS;USGS-02352560&characteristicName=Temperature;Temperature%2C%20sample;Temperature%2C%20water;Temperature%2C%20water%2C%20deg%20F&startDateLo=01-01-2020&mimeType=csv"