Environment
Annual peak streamflow events
One row per water year (Oct 1 - Sep 30) covering the site's full history of annual peak discharge. Flood-frequency analysis input. Hosted on nwis.waterdata.usgs.gov (not waterservices); legacy-only, no OGC equivalent.
get/api/v1/environment/usgs-water/peak
Query parameters
sitestring required
USGS site number.
USGS site number.
start_yearinteger
Start water year.
Start water year.
end_yearinteger
End water year.
End water year.
Response
Annual peak streamflow record for the requested site.
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"
]
}
}