This database contains statewide locations of and additional information for groundwater and surface-water withdrawals and groundwater discharges from 2000 through 2004. The database of withdrawals and discharges contains 6,581 locations of groundwater and surface-water withdrawals and discharges in Massachusetts, covering four major categories: (1) groundwater and surface-water public-water-supply withdrawals, including community, non-community, and transient facilities using less than 100,000 gallons per day; (2) groundwater and surface-water withdrawals greater than 100,000 gallons per day use as regulated by the Massachusetts Water Management Act (M.G.L. c. 21G), including public and non-public water suppliers (examples of the latter include golf courses and agricultural, commercial, and industrial facilities supplying water for non-human consumption); (3) groundwater pollutant discharges greater than 10,000 gallons per day as regulated by the Massachusetts Department of Environmental Protection (MassDEP) (M.G.L. 310 CMR 5), including discharges of sanitary sewer, industrial non-contact cooling waters, Laundromat and carwash waters, and water used in groundwater-treatment systems; and (4) National Pollutant Discharge Elimination System (NPDES) surface-water discharges as regulated by the U.S. Environmental Protection Agency (USEPA).
Volumes of withdrawal and discharge are available for public-water-supply withdrawals, groundwater discharges, and NPDES surface-water discharges. Public- and non-public water-supply withdrawals greater than 100,000 gallons per day (withdrawals regulated by the WMA) are managed as a withdrawal system, and therefore, withdrawal volumes are reported as the sum of all sources within a withdrawal system, not by individual withdrawal source. Some withdrawal systems are comprised of only public-water-supply withdrawals, in which case, source volumes are also available; however, some withdrawal systems are a combination of public- and non-public-water-supply withdrawals (some withdrawal volumes are available by withdrawal source) and some are only non-public-water-supply withdrawals (no withdrawal volumes are available by withdrawal source). For withdrawal systems that contain both public- and non-public-water-supply withdrawal locations, the source-level withdrawals are subtracted from the total reported withdrawal volume for the system, and the remaining system withdrawal volumes are divided equally among the non-public-water-supply withdrawals to obtain source volumes for each withdrawal location in the system. For withdrawal systems that contain only non-public-water-supply withdrawal locations, the system withdrawal volumes are divided equally among the non-public-water-supply withdrawals to obtain source volumes for each withdrawal location in the system.
This database is designed to work with the Massachusetts Sustainable Yield Estimator (MA SYE) tool (Archfield and others, 2010 and available at http://pubs.usgs.gov/sir/2009/5227/). Therefore, the database also contains a number of algorithms, tables and forms that are specific to the MA SYE tool. To request a copy of the database, please contact Thomas.Lamonte@state.ma.us.
This data was provided by the Massachusetts Geographic Information System (MassGIS) and MassDEP (Christian Jacqz, Massachusetts Geographic Information System, written commun., 2007; Thomas Lamonte and Kari Winfield, Massachusetts Department of Environmental Protection, written commun., 2008). The U. S. Environmental Protection Agency (USEPA) provided the National Pollutant Discharge Elimination System (NPDES) surface-water discharge locations and volumes for 2000 through 2004, which are also included in the statewide database.
The attributes of the dataset, including withdrawal volumes, source locations, and program information can be viewed through the relationships, which can be viewed by opening the database and clicking the Relationship icon located on the Database toolbar.
Related Database Tables
Related tables can be found by opening the database and clicking the Relationship icon located on the Database toolbar.
This database is maintained by MassDEP. Support is provided for correcting bugs and clarification of how the code is intended to work.
Archfield, S.A., Vogel, R.M., Steeves, P.A., Brandt, S.L., Weiskel, P.K., and Garabedian, S.P., 2010, The Massachusetts Sustainable-Yield Estimator: A decision-support tool to assess water availability at ungaged stream locations in Massachusetts: U.S. Geological Survey Scientific Investigations Report 2009–5227, 41 p. plus CD-ROM.
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