Environment
USGS Water parameter-code catalog
Full parameter-code dictionary (~22,000 codes across ~30 groups). Filter by parameter group (PHY=physical, BIO=biological, NUT=nutrients, INM=inorganic, ORG=organic, etc.). Served by the OGC parameter-codes collection.
get/api/v1/environment/usgs-water/parameters
Query parameters
groupstring
Parameter-group code filter (PHY, BIO, NUT, INM, ORG, INF, ISO, RAD, MIC).
Parameter-group code filter (PHY, BIO, NUT, INM, ORG, INF, ISO, RAD, MIC).
limitinteger
Maximum parameter codes to return.
Maximum parameter codes to return.
Response
Parameter-code dictionary entries with descriptions and units.
Example response
{
"meta": {
"endpoint": "/api/v1/fred/us/cpi",
"data_time": "2026-04-16T14:30:00Z",
"response_time": "2026-04-16T14:30:12Z",
"provider": "Sugra API v1.0.1",
"source": "sugra_crypto",
"attribution": "Short interest and Reg SHO daily short volume data is owned by and sourced from FINRA (Financial Industry Regulatory Authority).",
"fallback_chain": [
"sugra_crypto",
"sugra_finance"
]
}
}