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NWS / NWPSSite ID: ptkc1active

NWS / NWPS ptkc1

Petaluma River at Twin Bridges

Petaluma River • Sonoma • CA

Latest public reading22.89 ftObserved Sep 3, 2026 at 3:00 AM CDT
TrendNo clear trendNo forecast linked
Data freshnessStaleBeyond three times the publishing interval. Value shown with its age, never hidden.Observation 126 minutes old
Flood contextNo source flood categoryFetched Timestamp unavailable

Stage and discharge

Observed source readings

Stage and discharge

Daily rollups and linked forecast values

Observed

Stage and discharge chart includes 16 observed points.

Line chart: Observed05101520252026-05-142026-06-212026-07-162026-08-162026-09-03
Data series

Flood-stage context

Source-published thresholds where available

Action34 ftSource-backed threshold
Minor flood36 ftSource-backed threshold
Moderate flood38 ftSource-backed threshold
Major flood40 ftSource-backed threshold

Forecast

Linked NWS/NWPS values

Forecast unavailable

Forecasts are not available for this gauge in RiverStat.us launch sources.

Observations

stage

22.89 ft

Observed Sep 2, 2026 at 7:00 PM CDT

stage

22.86 ft

Observed Aug 29, 2026 at 7:00 PM CDT

stage

22.89 ft

Observed Aug 26, 2026 at 7:00 PM CDT

stage

22.89 ft

Observed Aug 15, 2026 at 7:00 PM CDT

stage

22.89 ft

Observed Aug 13, 2026 at 7:00 PM CDT

stage

22.89 ft

Observed Aug 9, 2026 at 7:00 PM CDT

stage

22.89 ft

Observed Jul 16, 2026 at 7:00 PM CDT

stage

22.89 ft

Observed Jul 15, 2026 at 7:00 PM CDT

stage

22.89 ft

Observed Jul 14, 2026 at 7:00 PM CDT

stage

22.86 ft

Observed Jul 10, 2026 at 7:00 PM CDT

stage

22.89 ft

Observed Jul 9, 2026 at 7:00 PM CDT

stage

22.89 ft

Observed Jun 20, 2026 at 7:00 PM CDT

stage

22.89 ft

Observed Jun 10, 2026 at 7:00 PM CDT

stage

22.89 ft

Observed May 15, 2026 at 7:00 PM CDT

stage

22.89 ft

Observed May 14, 2026 at 7:00 PM CDT

stage

22.89 ft

Observed May 13, 2026 at 7:00 PM CDT

Alerts

Alerts unavailable

Alerts are shown only when the API returns a source-backed match.

Official public sources

Readings and thresholds stay tied to USGS, NOAA/NWS, or source-backed records.

Source freshness

Observed and fetched timestamps are shown separately when the API returns them.

Transparent methodology

Unavailable forecasts, alerts, and thresholds are shown as unavailable states.