North Anna River level at Partlow
Virginia · Fishing & wading
Measured at USGS 01670400 — NORTH ANNA RIVER NEAR PARTLOW, VA · NWS forecast point PARV2
Reading taken · as of 48 min ago
About normal for the date
At 43 CFS, this gauge is running 92% of normal for mid-September — close to the 47 CFS median USGS has recorded for this date across 36 years of record (1979–2026).
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Flow history at Partlow
Daily values from USGS 01670400, updated every 15 to 60 minutes; NWS forecast for PARV2 reissued through the day. Provisional.
Highest crests on record at Partlow
12 on record
| Stage | Flow | Date |
|---|---|---|
| 36.32 ft | 22,000 CFS | Jun 22, 1972 |
| 27.80 ft | 11,600 CFS | May 1, 2014 |
| 26.24 ft | 11,700 CFS | Jun 27, 1995 |
| 25.30 ft | 11,700 CFS | Feb 26, 1979 |
| 22.05 ft | 9,030 CFS | Mar 30, 1984 |
| 21.48 ft | 8,690 CFS | Nov 28, 1993 |
| 21.48 ft | 8,690 CFS | Nov 5, 1985 |
| 20.72 ft | 8,230 CFS | Mar 5, 1993 |
| 20.49 ft | 7,510 CFS | Nov 12, 2020 |
| 18.77 ft | 6,840 CFS | Dec 8, 2011 |
Crests published by the National Weather Service.
About North Anna River at Partlow
In Virginia, below Lake Anna. Releases can change the flow by hundreds of CFS in an hour with no rain in the basin — check it the morning you go, not the night before.
Reservoir feeding this stretch
Flow here is set by releases from Lake Anna. A full pool usually means more water on its way down.
North Anna River at Partlow — common questions
3 questions
How do releases from Lake Anna affect this stretch?
Directly and fast. When the dam generates, flow here can climb by an order of magnitude within the hour, with no rain anywhere in the basin. That sudden release is the real hazard on a tailwater. The pool level is on lakelvl.com, linked below.
Is North Anna River at Partlow high or low for this time of year?
The USGS median flow for mid-September here is 47 CFS, from 36 years of record (1979–2026). Today is 92% of it. The comparison is what makes the raw number mean anything: the same reading is a drought on one river and a flood on another.
How often does this reading update?
USGS transmits from gauge 01670400 every 15 to 60 minutes, and the National Weather Service reissues the flood forecast for PARV2 a few times a day — more often when the river is rising. This page refreshes from both when you open it. The timestamp is in the gauge's local time.