Title:

Public Water Systems and populations receiving surface drinking water supply from National Forest System lands (2nd Edition)

Author(s):

Liu, Ning; Dobbs, G. Rebecca; Caldwell, Peter V.; Miniat, Chelcy Ford; Sun, Ge; Duan, Kai; Nelson, Stacy A. C.; Bolstad, Paul V.; Carlson, Christopher P.

Publication Year:

2022

How to Cite:

These data were collected using funding from the U.S. Government and can be used without additional permissions or fees. If you use these data in a publication, presentation, or other research product please use the following citation:

Liu, Ning; Dobbs, G. Rebecca; Caldwell, Peter V.; Miniat, Chelcy Ford; Sun, Ge; Duan, Kai; Nelson, Stacy A. C.; Bolstad, Paul V.; Carlson, Christopher P. 2022. Public Water Systems and populations receiving surface drinking water supply from National Forest System lands. 2nd Edition. Fort Collins, CO: Forest Service Research Data Archive. Updated 22 July 2022. https://doi.org/10.2737/RDS-2021-0098-2

Abstract:

These data are a summary of Public Water Systems (PWS) and populations receiving surface drinking water supply from National Forest System (NFS) lands managed by the USDA Forest Service in the conterminous United States (CONUS). The PWS in these data include only those receiving some portion of their surface water supply from NFS lands, either through the intakes they manage or through water purchases from other PWS that receive some portion of their surface water supply from NFS lands. To generate these data, unique model input databases were created for each of the 172 NFS units in the CONUS and water supply from each NFS unit and other non-NFS lands were simulated and tracked through the river network using the Water Supply and Stress Index (WaSSI) model while including inter-basin transfers (IBTs). Water supply outputs were then linked to the Environmental Protection Agency’s Safe Drinking Water Information System (SDWIS) database of public surface drinking water intakes. When a PWS had more than one intake, the percentage of the total surface drinking water originating on the individual NFS unit for the public water system was calculated from the total available water and the total water from the individual NFS unit across all intakes for the public water system. In addition to results at the NFS unit level, Watershed Boundary Dataset (WBD) Watershed 12-digit Hydrologic Unit Code (HUC12) subwatersheds that contain NFS units and provide surface drinking water supply to PWSs are identified and summarized. Purchasing PWS in the SDWIS were included for those PWS that had an associated selling PWS with surface water intakes that received some portion of their water from NFS lands, and the purchasing PWSs did not have their own surface water intakes and therefore would already be in the database. Also included are results aggregated across all NFS units in each Forest Service Region.

Keywords:

climatologyMeteorologyAtmosphere; environment; inlandWaters; utilitiesCommunication; Ecology, Ecosystems, & Environment; Hydrology, watersheds, sedimentation; Environment and People; Natural Resource Management & Use; Ecosystem services; Water; drinking water; inter-basin transfers; National Forest System; WaSSI; water supply; water yield; conterminous United States; CONUS; National Forests and Grasslands

Related publications:

• Liu, Ning; Dobbs, G. Rebecca; Caldwell, Peter V.; Miniat, Chelcy Ford; Sun, Ge; Duan, Kai; Nelson, Stacy A. C.; Bolstad, Paul V.; Carlson, Christopher P. 2022. Quantifying the role of National Forest System and other forested lands in providing surface drinking water supply for the conterminous United States. General Technical Report. WO-GTR-100. Washington, DC: U.S. Department of Agriculture, Forest Service, Washington Office. 40 p. [plus supplement]. https://doi.org/10.2737/WO-GTR-100
• Liu, Ning; Dobbs, G. Rebecca; Caldwell, Peter V.; Miniat, Chelcy Ford; Sun, Ge; Duan, Kai; Nelson, Stacy A. C.; Bolstad, Paul V.; Carlson, Christopher P. 2022. Public Water Systems and populations receiving surface drinking water supply from National Forest System lands. 1st Edition. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2021-0098

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