Triangle Water Map

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7-Day Rainfall Forecast

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Streams & vegetation

Tributary flows that feed Triangle reservoirs, plus regional soil moisture as a vegetation stress indicator.

Tributary streamflow

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Vegetation stress (soil moisture)

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Current Restrictions by City

July 2026 · Click a city for rules and official links.

Lookup results

Groundwater Stations

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Water table (7 days)

Well depth distribution

Data Sources

  • USGS Daily Values Service — groundwater depth, parameter 72019 (live query)
  • Open-Meteo Forecast API — 7-day precipitation
  • OSM Nominatim — address geocoding
  • USGS Instantaneous Values — live tributary streamflow (cfs)
  • Open-Meteo ERA5-Land archive — soil moisture / vegetation stress proxy
  • US Drought Monitor — county drought severity (data services API)
  • City boundaries (OSM relations): Durham, Raleigh, Chapel Hill, Cary, Apex, Fuquay-Varina, Hillsborough
  • County boundaries (OSM relations): Durham, Wake, Orange
  • OpenStreetMap base tiles

Changelog

  • Jul 8, 2026 — Streams & vegetation panel; 30-year groundwater normals on charts; address search on map; mobile layout tweaks.
  • Jul 6, 2026 — Map share button.
  • Jul 3, 2026 — Initial release: restrictions map, USGS groundwater, drought status, rainfall forecast.