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LDEQ Louisiana Environmental

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Louisiana DEQ water-quality datasets: 303(d) impaired-water subsegments, designated-use ratings, watershed basins, ambient monitoring sites, and fish-consumption advisories.

environmentallouisianaldeqwater-quality303dimpaired-waterstmdlfish-advisoriesambient-monitoring
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What you can ask

  • “What does LDEQ Louisiana Environmental have for the area or asset I'm working on?”
  • “Pull the most recent LDEQ Louisiana Environmental records and put them in a table.”
  • “What does LDEQ Louisiana Environmental cover, and how fresh is the data?”

About this source

Louisiana DEQ water-quality datasets. AGOL Feature Services, no auth. - search303dImpairedWaters ⭐ — IR2020 subsegments where a designated use is Not Supported (303(d)) - searchSubsegmentsByUse ⭐ — same layer, any use-rating - searchWatershedBasins (12), searchAmbientMonitoringSites (~761 LEAU active), searchFishAdvisories (62) - getServiceInfo quirks: subsegments + flowlines have NO parish — use BASIN (12 names: ATCHAFALAYA / CALCASIEU / ...) or bbox. Use codes: PCR/SCR/FWP/DWS/ONR/OYS/AGR/LAL. Status: Fully Supported / Not Supported / Insufficient Data / Not a Use / No Data Collected. Fish Advisories' Parishes is free-text ("Calcasieu and Cameron"); LIKE-matched. Air emissions + hazardous waste are NOT published as LDEQ Feature Services.

Connector ID ldeq

Provenance

PublisherLDEQ Louisiana Environmental
API basehttps://services1.arcgis.com/9rICeNyq0Isx42vD/arcgis/rest/services

Freshness & coverage

FreshnessFreshness not declared
GeographicNot declared
TemporalNot declared
AuthenticationNo credentials required

› Methods (6)

Technical detail for developers: parameters, pagination, units, and freshness per method.

  • search303dImpairedWaters

    unknown

    303(d) impaired subsegments — designated use rated Not Supported. Defaults to PCR.

    Filter by designatedUse (PCR/SCR/FWP/DWS/...), basin (12 names), bbox, or near.

  • searchSubsegmentsByUse

    read

    Subsegments filtered by an arbitrary designated-use rating. Default useStatus=Fully Supported.

  • searchWatershedBasins

    read

    LDEQ watershed basin polygons (12 basins).

  • searchAmbientMonitoringSites

    read

    LEAU active monitoring sites (~761). Filter stationType, wqsRegion, bbox, near.

    STATION_TYPE: STREAM, LAKE, BAY/ESTUARY, CANAL, RESERVOIR, OCEAN.

  • searchFishAdvisories

    read

    Fish consumption advisories (~62). Filter by parish substring or pollutant.

    Parishes is a free-text list — parish="Cameron" matches "Calcasieu and Cameron".

  • getServiceInfo

    read

    Schema + record counts for any of the 6 services (LDEQ Louisiana Environmental).