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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 system, while the remaining...
Search relevance: 269.02 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 07:03 PM -
New York City’s Municipal Separate Storm Sewer System (MS4) Stormwater Management Program is a multiagency effort led by the Department of Environmental Protection (DEP) to reduce pollution in...
Search relevance: 196.82 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 06:33 PM -
This layer depicts a generalized boundary of the District’s Municipal Separate Storm Sewer System (MS4) drainage areas. Each sewershed shows the general drainage area of a system of pipes and...
Search relevance: 186.65 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 07:03 PM -
Data for Figures 2-5. This dataset is associated with the following publication: Shanks, O., A. Diedrich, M. Sivaganesan, J. Willis, and A. Shrifi. Quantitative fecal source characterization of...
Search relevance: 154.88 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 07:01 PM -
The feature datasets contain Phase 1 and Phase 2 municipal separate stormwater sewer system (MS4s) permittees in California. These draft layers are based on 2010 census data and they have not been...
Search relevance: 99.06 | Views last month: 1 | Catalog Last Checked: October 24, 2026 at 08:48 PM -
Data for Figures 3-6
Search relevance: 95.42 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 06:59 PM -
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 system, while the remaining...
Search relevance: 68.04 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 07:03 PM -
This dataset includes basic information about the stormwater and wastewater individual permits administered by the TCEQ Water Quality Division. The authorizations covered in this dataset are as...
Search relevance: 56.64 | Views last month: 2 | Catalog Last Checked: October 26, 2026 at 11:45 PM -
Dataset includes water quality measurements from an urban stream and three municipal separate storm sewer system outfalls. Additional details provided in attached Dataset Description...
Search relevance: 56.12 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 07:02 PM -
This layer depicts a generalized boundary of the District’s Municipal Separate Storm Sewer System (MS4) drainage areas. Each sewershed shows the general drainage area of a system of pipes and...
Search relevance: 53.36 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 07:03 PM -
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 tributaries in Independence,...
Search relevance: 45.70 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:59 PM -
Note: the column priority_status was removed on 6/12/2026 A. SUMMARY This is a geospatial dataset of the storm drains throughout most of the City as maintained by SF Public Utilities Commission...
Search relevance: 44.66 | Views last month: 4 | Catalog Last Checked: November 04, 2026 at 07:16 PM -
This shapefile (polygon feature) contains the boundary of the July 1, 2022 100-Year Storm Flood Risk Zone, one of the layers of the July 1, 2022 100-Year Storm Flood Risk Map. Areas within this...
Search relevance: 44.59 | Views last month: 1 | Catalog Last Checked: September 02, 2026 at 06:56 PM -
Active, proposed, abandoned and removed secondary sewer and storm pipes that are not part of the mainline system (i.e. side sewers, service drains, etc.). Side Sewers are wastewater pipes from...
Search relevance: 43.69 | Views last month: 1 | Catalog Last Checked: November 04, 2026 at 07:20 PM -
Active, proposed, abandoned and removed secondary sewer and storm pipes that are not part of the mainline system (i.e. side sewers, service drains, etc.). Side Sewers are wastewater pipes from...
Search relevance: 43.59 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 06:04 PM -
Active, proposed, abandoned and removed secondary sewer and storm pipes that are not part of the mainline system (i.e. side sewers, service drains, etc.). Side Sewers are wastewater pipes from...
Search relevance: 43.56 | Views last month: 1 | Catalog Last Checked: November 04, 2026 at 07:19 PM -
Active, proposed, abandoned and removed secondary sewer and storm pipes that are not part of the mainline system (i.e. side sewers, service drains, etc.). Side Sewers are wastewater pipes from...
Search relevance: 43.56 | Views last month: 1 | Catalog Last Checked: November 04, 2026 at 07:20 PM -
Active, proposed, abandoned and removed secondary sewer and storm pipes that are not part of the mainline system (i.e. side sewers, service drains, etc.). Side Sewers are wastewater pipes from...
Search relevance: 43.56 | Views last month: 1 | Catalog Last Checked: November 04, 2026 at 07:20 PM -
Active, proposed, abandoned and removed secondary sewer and storm pipes that are not part of the mainline system (i.e. side sewers, service drains, etc.). Side Sewers are wastewater pipes from...
Search relevance: 43.22 | Views last month: 1 | Catalog Last Checked: November 04, 2026 at 07:19 PM -
Active, proposed, abandoned and removed secondary sewer and storm pipes that are not part of the mainline system (i.e. side sewers, service drains, etc.). Side Sewers are wastewater pipes from...
Search relevance: 43.06 | Views last month: 1 | Catalog Last Checked: November 04, 2026 at 07:19 PM
