Data & Maps
Data & Maps
Improving Water Quality: By the Numbers
Think Blue San Diego takes action year-round to help stop pollution before it starts and keep the City of San Diego in compliance with state and federal water-quality regulations. Those actions include street sweeping, business and residential inspections, storm drain cleanings and water-quality monitoring, among other things. The performance of those activities results in the collection of data that the City uses to make data-driven decisions to improve water quality and prevent pollution. Analyze the data and find out what’s happening in your neighborhood.
Click around the image below to view different topics
More information is in the City of San Diego Jurisdictional Runoff Management Plan Fiscal Year 2021 Annual Report, which was submitted to the San Diego Regional Water Quality Control Board in January 2022. That report and other information on watershed Water Quality Improvement Plans prepared by the City can be found on the websites for Project Clean Water and the Stormwater Department. Data presented here is for visualizing annual report data only for Fiscal Year 2021 (July 1, 2020-June 30, 2021). Data should not be used for characterization purposes.
The City offers rebates for installation of rain barrels, downspout redirects, rain gutters and turf replacements to encourage San Diegans to conserve and reuse rainwater. Check out data on the number of water conservation devices installed last year.
Regular sweeping of streets, parking lots and medians helps reduce the amount of sediment, trash and other pollutants that enter the storm drain. Check out the miles of streets swept and the amount of trash removed.
Monitoring & Assessment
What gets measured gets managed so regular water-quality monitoring at storm drain outfalls helps Think Blue track pollution levels and take action if necessary. Check out data on pollutants during wet and dry seasons.
Storm Drain Cleaning
Over 46,000 storm drain structures in the City are inspected and cleaned year-round. Check out the results and how much debris has been removed.
Education and Outreach
Think Blue partners with several nonprofits to host multiple cleanup events each year and help educate San Diegans on the importance of stormwater pollution prevention. Check out data on how much trash collected from cleanups.
Priority Development Projects
Think Blue ensures that development projects use best management practices to remove pollutants from stormwater. Check out data on how many were reviewed and approved.
Structural BMP Inspections
Inspections make sure that structural best management practices are adequately maintained to treat stormwater entering storm drains. Check out data on how many were inspected and maintained during the year.
Construction sites are regularly inspected to determine if they could be a source of pollution entering storm drains. Check out data on inspections, notices of violation and enforcement actions.
Projects that treat pollutants prior to them entering the storm drain system are considered green infrastructure. Check out how much of it is being designed and constructed – and the difference it makes.
Illicit Discharge Detection
The City inspects any reports from the public of potential stormwater pollution. Check out data on inspections, notices of violation and enforcement actions.
Municipal Facility and Residential Inspections
Residences and municipal facilities are subject to inspection as potential sources of pollutants entering the storm drain system. Check out data on inspections, notices of violation and enforcement actions.
Businesses are regularly inspected to determine if the business could be a potential source of pollutants entering the storm drain system. Check out data on inspections, notices of violation and enforcement actions.