-
Combined Sewer Outfall Sewer Shed
District of Columbia —
DC Water operates a wastewater collection system comprised of "separate" and "combined" sewers. Approximately two-thirds of the District is served by a separate sewer... -
Storm Sewer System
District of Columbia —
The dataset contains locations and attributes of storm sewer systems including the combined sewersheds within the DC Water jurisdiction. There are small areas within... -
Identify Your Watershed and Sewer System Area App
District of Columbia —
This app displays a series of general information for an address, location, or where the user clicks in DC.Some information returned are:-Municipal Separate Storm... -
Federal
Daily values calculated using 15-minute continuously recorded hydrologic and physical parameters at U.S. Geological Survey (USGS) streamgages in Independence, MO, 2010 through 2016
Department of the Interior —
The dataset contains daily values of hydrologic and physical parameters. These daily values were calculated from continuous (15-minute) data collected from continuous... -
State
Small MS4 (Municipal Separate Storm Sewer Systems) Area
Vermont Center for Geographic Information —
The dataset contains the boundaries of the MS4 general permit, which are defined as the intersection of US Census urbanized areas and the watershed boundaries of the... -
Federal
Locations of Combined Sewer Overflow Outfalls - US EPA Region 3
U.S. Environmental Protection Agency —
This data layer identifies the locations of Combined sewer overflow outfalls. Combined sewer systems are sewers that are designed to collect rainwater runoff,... -
Federal
MODFLOW-NWT model used to evaluate potential effects of alterations to the hydrologic system in the vicinity of Long Lake, Indiana Dunes National Lakeshore, near Gary, Indiana
Department of the Interior —
A three dimensional groundwater flow model (MODFLOW-NWT) was developed to examine the effects of changes to engineering controls and Lake Michigan surface water... -
Federal
Reductive dechlorination rate data for 4,4'-DDE in sediments of the Palos Verdes Shelf, CA (1981-2010)
Department of the Interior —
Wastes from the world’s largest manufacturer of DDT were released into the Los Angeles County municipal sewer system from 1947 to 1971. Following primary treatment,... -
Federal
DCHC--water balance events summary
Department of the Interior —
This tabular dataset includes precipitation data, inflow and outflow data, and other associated data for a bioretention garden in Douglas County, Nebraska. At the... -
Federal
Basin Characteristics Data for the StreamStats Application in the Mystic River Basin, Massachusetts
Department of the Interior —
The U.S. Geological Survey’s StreamStats program is a publicly-accessible web application (https://streamstats.usgs.gov) that can be used to delineate drainage areas,... -
Federal
ENOA--water balance events summary
Department of the Interior —
This tabular dataset includes precipitation data, inflow and outflow data, and other associated data for a bioretention garden in Douglas County, Nebraska. At the... -
Federal
Location of Septic Sewer Systems in the Pacific Northwest
Department of the Interior —
Septic systems are useful for removing and processing human waste. However, they have the potential of leaking or discharging waste into the nearby system and... -
Federal
Escherichia coli data from samples collected in the Little Blue River and tributaries in Independence, MO, during the 2010-2016 recreation seasons
Department of the Interior —
The dataset contains Escherichia coli (E. coli) concentrations and loads that were measured and calculated from samples collected from the Little Blue River and its... -
Federal
Select pipe-flow monitoring data from RecoveryPark in Detroit, MI (2015–2021)
Department of the Interior —
This dataset includes pipe-flow monitoring data in sewers used to analyze the water budget at RecoveryPark in Detroit, Michigan. These are provided as 3 text comma... -
Federal
Model archive for assessing long-term annual yields of highway and urban runoff in selected areas of California with the Stochastic Empirical Loading Dilution Model (SELDM)
Department of the Interior —
Municipal Separate Storm Sewer System (MS4) permitees including the California Department of Transportation need information about potential loads and yields (loads... -
Federal
Electrical Resistivity Tomography Data at Elizabeth Lake, Los Angeles County, California, 2019
Department of the Interior —
The Santa Clara River Lakes, located along the San Andreas fault 19 miles northwest of Palmdale, California, were placed on the state’s “303(d) List” or “Impaired... -
Federal
MODFLOW-NWT model scenarios used to evaluate potential effects of proposed drainage modifications on groundwater discharge in the vicinity of Long Lake, Indiana Dunes National Lakeshore, near Gary, Indiana
Department of the Interior —
A previously developed three-dimensional groundwater-flow model that used the MODFLOW-NWT code was updated to simulate the effects of various proposed drainage... -
Federal
Data supporting phosphorus load-reduction estimates from leaf-litter removal in central and northwestern Vermont
Department of the Interior —
Removal of leaf-litter may help municipalities reduce phosphorus loads. Catch-basin cleaning and street cleaning are two commonly used Best Management Practices that... -
Federal
Estimated Densities of Residential Septic Tanks across the Conterminous United States for 12-digit Hydrologic Unit Code 12 (HUC12), National Hydrography Dataset Plus Version 2 (NHDPlusV2) Catchment, and Block Group Scales
Department of the Interior —
This dataset provides estimates of residential septic tank densities at 12-digit Hydrologic Unit Code (HUC12), National Hydrography Dataset (NHD Plus version 2.1,...