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Estimated public-supply water withdrawals in Puerto Rico, 2017

Metadata Updated: October 28, 2023

This data release consists of Microsoft Excel workbooks related to a cooperative project between the U.S. Geological Survey (USGS) and the Puerto Rico Aqueduct and Sewer Authority (PRASA) to estimate public-supply water withdrawals for the year 2017. Daily raw-water inflow volume to each PRASA water-treatment plant and water pumped from PRASA public-supply wells on the island in 2017, as well as coordinate information for these facilities were provided by PRASA. The raw data are not publicly available owing to restrictions (sensitivity concern). Contact PRASA directly for more information. Per capita water use derived from domestic-delivery data for 2016 was used to estimate withdrawals from non-PRASA community water supply systems for 2017 due to The lack of of domestic-delivery data for this year. This choice does not likely introduce major errors in the total island-wide water withdrawals as non-PRASA withdrawals are on the order of 1–2 percent of the total withdrawals. The total annual volume withdrawn from PRASA and non-PRASA public-supply wells and surface-water intakes was aggregated by municipality and PRASA public water system identification (PWSID) to obtain total surface-water and groundwater withdrawals for PRASA and non-PRASA systems. In 2017, the total amount of public-supply water withdrawn in Puerto Rico was estimated at 545 million gallons per day (Mgal/d) from freshwater sources. Surface-water withdrawals accounted for 488 Mgal/d (90 percent) and groundwater withdrawals accounted for 57 Mgal/d (10 percent). Disclaimer: In estimating public-supply withdrawals for 2016 and prior years, surface-water withdrawals for each PRASA water treatment plant (WTP) were assigned to a single intake location. For 2017-20, surface-water withdrawals for each PRASA water treatment plant have been split up across multiple intakes based on information provided by PRASA in 2022. This may have affected the total withdrawals by municipality and PWSID. For this reason, we discourage evaluating trends and making comparisons at the municipality and PWSID level between 2017–20 and previous years.

Access & Use Information

Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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Dates

Metadata Created Date June 1, 2023
Metadata Updated Date October 28, 2023

Metadata Source

Harvested from DOI EDI

Additional Metadata

Resource Type Dataset
Metadata Created Date June 1, 2023
Metadata Updated Date October 28, 2023
Publisher U.S. Geological Survey
Maintainer
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Identifier USGS:6408cf77d34e76f5f75e4a3c
Data Last Modified 20230317
Category geospatial
Public Access Level public
Bureau Code 010:12
Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
Metadata Catalog ID https://datainventory.doi.gov/data.json
Schema Version https://project-open-data.cio.gov/v1.1/schema
Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
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Harvest Source Id 52bfcc16-6e15-478f-809a-b1bc76f1aeda
Harvest Source Title DOI EDI
Metadata Type geospatial
Old Spatial -67.3077,17.9003,-65.2039,18.5369
Publisher Hierarchy White House > U.S. Department of the Interior > U.S. Geological Survey
Source Datajson Identifier True
Source Hash ed0da09f06f6820f99bca278c527603233e7ddee07fed463cc103cdb0f2f0f99
Source Schema Version 1.1
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