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    Permitted Septic Systems

    Department of Natural Resources and Environmental Control, Division of WaterUpdated 13 Nov 2026

    A listing of permits for the installation of small (individual structure) and large (multi-structure) septic systems. This …

    • CSV
    • JSON
    • SODA API
  2. Socrata networkLive preview

    Particulate Matter data from ACT Air Quality Monitoring Stations

    ACT Health DirectorateUpdated 23 Jan 2025

    PM10 and PM2.5 1 hour and 24 hour rolling average from air monitoring stations.

    • CSV
    • JSON
    • SODA API
  3. Socrata networkLive preview

    DNR-WPP-Chronic Violators

    DNR Water Pollution ProgramUpdated 6 Nov 2026

    Listing of Chronic Violators for DNR

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    • JSON
    • SODA API
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    EPA Air Quality Data - Pollutants

    U.S. Environmental Protection AgencyUpdated 9 Sept 2026

    … Each contains a parameter code which specifies one of the six pollutants for which the EPA AQS has …

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    • SODA API
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    Chesapeake Bay Pollution Reduction Activities FY 2000 - FY 2014

    Maryland Department of AgricultureUpdated 30 Nov 2014

    This dataset tracks specific restoration actions undertaken by Maryland's state agencies.

    • CSV
    • JSON
    • SODA API
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    Air Quality (LA)

    CalEnviroScreen 3.0Updated 15 Aug 2018

    Learn More

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    • SODA API
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    Air Quality Monitoring Data

    ACT GovernmentUpdated 14 Nov 2026

    Ambient air quality monitoring is undertaken in the ACT to both support both the National Environment Protection Measures …

    • CSV
    • JSON
    • SODA API
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    Bronx 311 Industrial Waste 2010-current

    NYC Open DataUpdated 17 Aug 2019

    311 Industrial Waste complaints

    • CSV
    • JSON
    • SODA API
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    Bronx 311 Commercial Noise Complaints

    NYC Open DataUpdated 8 Mar 2019

    Commercial noise complaints as logged in via 311 from 2012-current

    • CSV
    • JSON
    • SODA API
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    Bronx TRI Audit-2

    NYC Open DataUpdated 13 Sept 2012

    Bronx 2008-2010 toxic release inventory

    • CSV
    • JSON
    • SODA API
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    Delaware Greenhouse Gas (GHG) Emissions Inventory 1990 - 2050

    Department of Natural Resources and Environmental Control, Division of Air QualityUpdated 11 Jun 2025

    Estimates and projections of greenhouse gas (GHG) emissions by type and sector for Delaware, by year, for the …

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    • JSON
    • SODA API
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    Licensed On-Site Wastewater Treatment and Disposal System Licensees

    Department of Natural Resources and Environmental Control, Division of WaterUpdated 9 Nov 2026

    A listing of professionals issued licenses for eight classes of professional activity related to wastewater treatment and disposal …

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    • SODA API
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    MS4 Tons Of Pollutants Removed

    performance.seattle.govUpdated 31 Oct 2017

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    • SODA API
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    Pollution Burden

    CalEnviroScreen 3.0 Maps, updated on January 9, 2017; American Community Survey, 5-year estimates, 2012-2016Updated 14 Jul 2018

    … This tool measures pollution burden as a combined score that includes Indicators of potential exposures to pollutants and …

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    • JSON
    • SODA API
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    Storm Water Notices of Intent

    Department of Natural Resources and Environmental Control, Division of Watershed StewardshipUpdated 13 Nov 2026

    Database of Notices of Intent (NOI) to apply for coverage under the National Pollutant Discharge Elimination System (NPDES …

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    • JSON
    • SODA API
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    Combined Sewer Overflows (CSOs): Beginning 2013

    New York State Department of Environmental ConservationUpdated 11 Nov 2020

    The dataset represents the locations of combined sewer overflow (CSOs) outfall locations in NYS. It also includes overflow …

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    • SODA API
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    Pollutants removed cumulative per year

    Seattle Public UtilitiesUpdated 17 Feb 2017

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    • SODA API
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    Water Well Contractors/Pump Installer Contractors

    Department of Natural Resources and Environmental Control, Division of WaterUpdated 13 Nov 2026

    Licensed Water Well Contractors & Licensed Pump Installer Contractors

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    • SODA API
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    Number of unhealthful days attributable to carbon monoxide, PM-10, lead, sulfur dioxide, and nitrogen dioxide by pollutant, New Jersey: Beginning 2010

    New Jersey Department of Environmental ProtectionUpdated 21 Sept 2020

    Number of unhealthful days attributable to carbon monoxide, PM-10, lead, sulfur dioxide, and nitrogen dioxide by pollutant …

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    • JSON
    • SODA API
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    Pollution Burden (LA)

    usc.data.socrata.comUpdated 14 Aug 2018

    • CSV
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    • SODA API
“polluted” datasets · Open Data Finder