GUNPOWDER FALLS AT HOFFMANVILLE, MD
USGS 01581810 · Maryland · reports discharge (live), gauge height
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USGS 01581810 · Maryland · reports discharge (live), gauge height
What the agencies suggest
Stand back from the shoreline and be aware of surroundingsRhode Island Department of Environmental Management
General guidance from the readings and the published lines named above, not a fishing forecast. Local rules and closures come first.
Reading Nov 5, 8:15 PM EST · provisional USGS data
Below normal for Nov 5 Rising · 24 h Below NWS action stage
Discharge, last 7 days: 169 readings from Oct 29, 9:15 PM EDT to Nov 5, 8:15 PM EST; ranging 9.65 to 11.6 ft³/s; latest 11.2 ft³/s; shaded band: typical range (25th–75th percentile) for each date.
USGS provisional data may be revised. Source: USGS instantaneous values.
| Time | Discharge (ft³/s) | Gauge height (ft) | Normal, 25th–75th (ft³/s) |
|---|---|---|---|
| Nov 5, 8:15 PM EST | 11.2 | 1.16 | 14–32 |
| Nov 5, 7:15 PM EST | 11.2 | 1.16 | 14–32 |
| Nov 5, 6:15 PM EST | 11.2 | 1.16 | 14–32 |
| Nov 5, 5:15 PM EST | 11.6 | 1.17 | 14–32 |
| Nov 5, 4:15 PM EST | 11.6 | 1.17 | 14–32 |
| Nov 5, 3:15 PM EST | 11.6 | 1.17 | 14–32 |
| Nov 5, 2:15 PM EST | 11.2 | 1.16 | 14–32 |
| Nov 5, 1:15 PM EST | 11.2 | 1.16 | 14–32 |
| Nov 5, 12:15 PM EST | 11.2 | 1.16 | 14–32 |
| Nov 5, 11:15 AM EST | 11.2 | 1.16 | 14–32 |
| Nov 5, 10:15 AM EST | 10.9 | 1.15 | 14–32 |
| Nov 5, 9:15 AM EST | 10.9 | 1.15 | 14–32 |
| Nov 5, 8:15 AM EST | 10.5 | 1.14 | 14–32 |
| Nov 5, 7:15 AM EST | 10.1 | 1.13 | 14–32 |
| Nov 5, 6:15 AM EST | 10.1 | 1.13 | 14–32 |
| Nov 5, 5:15 AM EST | 10.1 | 1.13 | 14–32 |
| Nov 5, 4:15 AM EST | 10.1 | 1.13 | 14–32 |
| Nov 5, 3:15 AM EST | 10.1 | 1.12 | 14–32 |
| Nov 5, 2:15 AM EST | 10.1 | 1.12 | 14–32 |
| Nov 5, 1:15 AM EST | 10.1 | 1.11 | 14–32 |
| Nov 5, 12:15 AM EST | 10.1 | 1.11 | 14–32 |
| Nov 4, 11:15 PM EST | 10.1 | 1.11 | 13–38 |
| Nov 4, 10:15 PM EST | 10.1 | 1.11 | 13–38 |
| Nov 4, 9:15 PM EST | 10.1 | 1.11 | 13–38 |
| Nov 4, 8:15 PM EST | 10.1 | 1.11 | 13–38 |
| Nov 4, 7:15 PM EST | 10.1 | 1.11 | 13–38 |
| Nov 4, 6:15 PM EST | 10.1 | 1.11 | 13–38 |
| Nov 4, 5:15 PM EST | 10.1 | 1.11 | 13–38 |
| Nov 4, 4:15 PM EST | 10.5 | 1.12 | 13–38 |
| Nov 4, 3:15 PM EST | 10.1 | 1.11 | 13–38 |
| Nov 4, 2:15 PM EST | 10.1 | 1.11 | 13–38 |
| Nov 4, 1:15 PM EST | 10.1 | 1.11 | 13–38 |
| Nov 4, 12:15 PM EST | 10.1 | 1.1 | 13–38 |
| Nov 4, 11:15 AM EST | 10.1 | 1.1 | 13–38 |
| Nov 4, 10:00 AM EST | 10.1 | 1.1 | 13–38 |
| Nov 4, 9:00 AM EST | 10.1 | 1.12 | 13–38 |
| Nov 4, 8:00 AM EST | 10.1 | 1.12 | 13–38 |
| Nov 4, 7:00 AM EST | 10.1 | 1.12 | 13–38 |
| Nov 4, 6:00 AM EST | 10.1 | 1.12 | 13–38 |
| Nov 4, 5:00 AM EST | 10.1 | 1.12 | 13–38 |
| Nov 4, 4:00 AM EST | 10.1 | 1.12 | 13–38 |
| Nov 4, 3:00 AM EST | 10.1 | 1.12 | 13–38 |
| Nov 4, 2:00 AM EST | 10.1 | 1.12 | 13–38 |
| Nov 4, 1:00 AM EST | 10.1 | 1.12 | 13–38 |
| Nov 4, 12:00 AM EST | 10.1 | 1.12 | 13–38 |
| Nov 3, 11:00 PM EST | 10.5 | 1.12 | 14–27 |
| Nov 3, 10:00 PM EST | 10.5 | 1.13 | 14–27 |
| Nov 3, 9:00 PM EST | 10.5 | 1.13 | 14–27 |
| Nov 3, 8:00 PM EST | 10.5 | 1.13 | 14–27 |
| Nov 3, 7:00 PM EST | 10.5 | 1.13 | 14–27 |
| Nov 3, 6:00 PM EST | 10.1 | 1.12 | 14–27 |
| Nov 3, 5:00 PM EST | 10.1 | 1.12 | 14–27 |
| Nov 3, 4:00 PM EST | 10.1 | 1.12 | 14–27 |
| Nov 3, 3:00 PM EST | 10.1 | 1.12 | 14–27 |
| Nov 3, 2:00 PM EST | 10.1 | 1.12 | 14–27 |
| Nov 3, 1:00 PM EST | 10.1 | 1.12 | 14–27 |
| Nov 3, 12:00 PM EST | 10.1 | 1.12 | 14–27 |
| Nov 3, 11:00 AM EST | 10.1 | 1.12 | 14–27 |
| Nov 3, 10:00 AM EST | 10.1 | 1.11 | 14–27 |
| Nov 3, 9:00 AM EST | 10.1 | 1.11 | 14–27 |
| Nov 3, 8:00 AM EST | 10.1 | 1.11 | 14–27 |
| Nov 3, 7:00 AM EST | 10.1 | 1.11 | 14–27 |
| Nov 3, 6:00 AM EST | 10.1 | 1.11 | 14–27 |
| Nov 3, 5:00 AM EST | 10.1 | 1.11 | 14–27 |
| Nov 3, 4:00 AM EST | 10.1 | 1.11 | 14–27 |
| Nov 3, 3:00 AM EST | 10.1 | 1.11 | 14–27 |
| Nov 3, 2:00 AM EST | 10.1 | 1.11 | 14–27 |
| Nov 3, 1:00 AM EST | 10.1 | 1.11 | 14–27 |
| Nov 3, 12:00 AM EST | 10.1 | 1.11 | 14–27 |
| Nov 2, 11:00 PM EST | 10.1 | 1.11 | 14–33 |
| Nov 2, 10:00 PM EST | 10.1 | 1.11 | 14–33 |
| Nov 2, 9:00 PM EST | 10.1 | 1.11 | 14–33 |
| Nov 2, 8:00 PM EST | 10.1 | 1.11 | 14–33 |
| Nov 2, 7:00 PM EST | 10.1 | 1.11 | 14–33 |
| Nov 2, 6:00 PM EST | 10.5 | 1.12 | 14–33 |
| Nov 2, 5:00 PM EST | 10.1 | 1.12 | 14–33 |
| Nov 2, 4:00 PM EST | 10.5 | 1.12 | 14–33 |
| Nov 2, 3:00 PM EST | 10.1 | 1.12 | 14–33 |
| Nov 2, 2:00 PM EST | 10.1 | 1.12 | 14–33 |
| Nov 2, 1:00 PM EST | 10.1 | 1.11 | 14–33 |
| Nov 2, 12:00 PM EST | 10.1 | 1.11 | 14–33 |
| Nov 2, 11:00 AM EST | 10.1 | 1.11 | 14–33 |
| Nov 2, 10:00 AM EST | 10.1 | 1.11 | 14–33 |
| Nov 2, 9:00 AM EST | 10.1 | 1.11 | 14–33 |
| Nov 2, 8:00 AM EST | 10.1 | 1.1 | 14–33 |
| Nov 2, 7:00 AM EST | 10.1 | 1.11 | 14–33 |
| Nov 2, 6:00 AM EST | 10.1 | 1.11 | 14–33 |
| Nov 2, 5:00 AM EST | 10.1 | 1.11 | 14–33 |
| Nov 2, 4:00 AM EST | 10.1 | 1.11 | 14–33 |
| Nov 2, 3:00 AM EST | 10.1 | 1.11 | 14–33 |
| Nov 2, 2:00 AM EST | 10.1 | 1.11 | 14–33 |
| Nov 2, 1:00 AM EST | 10.1 | 1.11 | 14–33 |
| Nov 2, 12:00 AM EST | 10.1 | 1.11 | 14–33 |
| Nov 1, 11:00 PM EST | 10.1 | 1.11 | 15–32 |
| Nov 1, 10:00 PM EST | 10.1 | 1.11 | 15–32 |
| Nov 1, 9:00 PM EST | 10.1 | 1.11 | 15–32 |
| Nov 1, 8:00 PM EST | 10.1 | 1.11 | 15–32 |
| Nov 1, 7:00 PM EST | 10.5 | 1.12 | 15–32 |
| Nov 1, 6:00 PM EST | 10.5 | 1.12 | 15–32 |
| Nov 1, 5:00 PM EST | 10.5 | 1.11 | 15–32 |
| Nov 1, 4:00 PM EST | 10.5 | 1.11 | 15–32 |
| Nov 1, 3:00 PM EST | 10.1 | 1.11 | 15–32 |
| Nov 1, 2:00 PM EST | 10.1 | 1.11 | 15–32 |
| Nov 1, 1:00 PM EST | 10.1 | 1.11 | 15–32 |
| Nov 1, 12:00 PM EST | 10.1 | 1.11 | 15–32 |
| Nov 1, 11:00 AM EST | 10.1 | 1.11 | 15–32 |
| Nov 1, 10:00 AM EST | 10.1 | 1.11 | 15–32 |
| Nov 1, 9:00 AM EST | 10.1 | 1.11 | 15–32 |
| Nov 1, 8:00 AM EST | 10.1 | 1.11 | 15–32 |
| Nov 1, 7:00 AM EST | 9.67 | 1.1 | 15–32 |
| Nov 1, 6:00 AM EST | 9.67 | 1.1 | 15–32 |
| Nov 1, 5:00 AM EST | 10.1 | 1.1 | 15–32 |
| Nov 1, 4:00 AM EST | 10.1 | 1.1 | 15–32 |
| Nov 1, 3:00 AM EST | 10.1 | 1.11 | 15–32 |
| Nov 1, 2:00 AM EST | 10.1 | 1.11 | 15–32 |
| Nov 1, 1:00 AM EST | 10.1 | 1.11 | 15–32 |
| Nov 1, 1:00 AM EDT | 10.1 | 1.11 | 15–32 |
| Nov 1, 12:00 AM EDT | 10.1 | 1.11 | 15–32 |
| Oct 31, 11:00 PM EDT | 10.1 | 1.11 | 16–41 |
| Oct 31, 10:00 PM EDT | 9.67 | 1.11 | 16–41 |
| Oct 31, 9:00 PM EDT | 10.1 | 1.1 | 16–41 |
| Oct 31, 8:00 PM EDT | 10.1 | 1.11 | 16–41 |
| Oct 31, 7:00 PM EDT | 10.1 | 1.1 | 16–41 |
| Oct 31, 6:00 PM EDT | 10.1 | 1.11 | 16–41 |
| Oct 31, 5:00 PM EDT | 10.1 | 1.11 | 16–41 |
| Oct 31, 4:00 PM EDT | 10.1 | 1.11 | 16–41 |
| Oct 31, 3:00 PM EDT | 10.1 | 1.11 | 16–41 |
| Oct 31, 2:00 PM EDT | 10.1 | 1.11 | 16–41 |
| Oct 31, 1:00 PM EDT | 10.1 | 1.11 | 16–41 |
| Oct 31, 12:00 PM EDT | 10.1 | 1.11 | 16–41 |
| Oct 31, 11:00 AM EDT | 9.66 | 1.1 | 16–41 |
| Oct 31, 10:00 AM EDT | 9.66 | 1.1 | 16–41 |
| Oct 31, 9:00 AM EDT | 9.66 | 1.1 | 16–41 |
| Oct 31, 8:00 AM EDT | 9.66 | 1.1 | 16–41 |
| Oct 31, 7:00 AM EDT | 9.66 | 1.1 | 16–41 |
| Oct 31, 6:00 AM EDT | 9.66 | 1.1 | 16–41 |
| Oct 31, 5:00 AM EDT | 10.1 | 1.1 | 16–41 |
| Oct 31, 4:00 AM EDT | 10.1 | 1.11 | 16–41 |
| Oct 31, 3:00 AM EDT | 10.1 | 1.11 | 16–41 |
| Oct 31, 2:00 AM EDT | 10.1 | 1.11 | 16–41 |
| Oct 31, 1:00 AM EDT | 10.1 | 1.11 | 16–41 |
| Oct 31, 12:00 AM EDT | 10.1 | 1.11 | 16–41 |
| Oct 30, 11:00 PM EDT | 10.1 | 1.11 | 15–52 |
| Oct 30, 10:00 PM EDT | 10.4 | 1.12 | 15–52 |
| Oct 30, 9:00 PM EDT | 10 | 1.11 | 15–52 |
| Oct 30, 8:00 PM EDT | 10.4 | 1.11 | 15–52 |
| Oct 30, 7:00 PM EDT | 10.4 | 1.12 | 15–52 |
| Oct 30, 6:00 PM EDT | 10.4 | 1.12 | 15–52 |
| Oct 30, 5:00 PM EDT | 10 | 1.12 | 15–52 |
| Oct 30, 4:00 PM EDT | 10.4 | 1.12 | 15–52 |
| Oct 30, 3:00 PM EDT | 10.4 | 1.12 | 15–52 |
| Oct 30, 2:00 PM EDT | 10 | 1.11 | 15–52 |
| Oct 30, 1:00 PM EDT | 10.4 | 1.12 | 15–52 |
| Oct 30, 12:00 PM EDT | 10 | 1.12 | 15–52 |
| Oct 30, 11:00 AM EDT | 10 | 1.11 | 15–52 |
| Oct 30, 10:00 AM EDT | 10 | 1.1 | 15–52 |
| Oct 30, 9:00 AM EDT | 10 | 1.11 | 15–52 |
| Oct 30, 8:00 AM EDT | 9.65 | 1.11 | 15–52 |
| Oct 30, 7:00 AM EDT | 9.65 | 1.11 | 15–52 |
| Oct 30, 6:00 AM EDT | 10 | 1.1 | 15–52 |
| Oct 30, 5:00 AM EDT | 10 | 1.11 | 15–52 |
| Oct 30, 4:00 AM EDT | 10 | 1.11 | 15–52 |
| Oct 30, 3:00 AM EDT | 10 | 1.11 | 15–52 |
| Oct 30, 2:00 AM EDT | 10 | 1.11 | 15–52 |
| Oct 30, 1:00 AM EDT | 10 | 1.11 | 15–52 |
| Oct 30, 12:00 AM EDT | 10 | 1.11 | 15–52 |
| Oct 29, 11:00 PM EDT | 10 | 1.11 | 14–48 |
| Oct 29, 10:00 PM EDT | 10 | 1.11 | 14–48 |
| Oct 29, 9:15 PM EDT | 10 | 1.11 | 14–48 |
Map of USGS gauge 01581810 and the river around it
Where GUNPOWDER FALLS AT HOFFMANVILLE, MD sits, with 2 other gauges on the same river and our water's map point.
No current water-temperature reading at this gauge, so no temperature guidance is given. Take a stream thermometer: the trout lines Maryland DNR uses are 65°F and 68°F.
Species the agency lists for : brown trout, rainbow trout, brook trout.
Normal for Nov 5: 14–32 ft³/s (middle half of 26 years of record). Now: 11.2 ft³/s, below normal.
Below normal for this date. 11.2 ft³/s is between the 10th and 25th percentiles of daily mean flow for Nov 5 at this gauge over 26 years of record (2001–2026): 10th 11, 25th 14, median 19, 75th 32, 90th 46 ft³/s.
Daily means on record for Nov 5: lowest 9.37 ft³/s, highest 98.2 ft³/s.
Classes as USGS labels them (hyswap: flow categories (WDFN_stats schema) (U.S. Geological Survey) ); percentiles from the USGS daily statistics (U.S. Geological Survey) (approved daily means; the reading is provisional and instantaneous).
Rising over 24 hours: discharge up 10.9%, from 10.1 to 11.2 ft³/s. Rising or falling means a change of more than 10% in discharge (or 0.2 ft of gauge height) over 24 hours; our rule of thumb, not a USGS class.
From our page for Gunpowder Falls, on the same river as this gauge; the agency list is for the water, not this exact reach. Source: The Gunpowder Falls Tailwater: Assessing One of Maryland’s Coldwater Trout Fisheries (Maryland Department of Natural Resources).
Below NWS action stage. The National Weather Service reports this gauge below its action stage. That is not a statement that wading is safe.
Flood categories: action stage, minor, moderate and major flooding (National Weather Service)Rising water. Rising over the last 24 hours (discharge up 10.9%). Keep your way back to the bank in sight and watch the level while you fish. “Rising” is our rule of thumb: more than 10% in discharge or 0.2 ft of gauge height in 24 hours, not a USGS or NWS class.
Turn Around Don't Drown. “A mere 6 inches of fast-moving flood water can knock over an adult.” No flow number makes a crossing safe; if in doubt, stay out.
Turn Around Don't Drown (National Weather Service)Guidance from the readings above and the published thresholds named with each line; not a fishing forecast, a safety guarantee or a statement about access. Local rules and closures come first.
Below NWS action stage. The National Weather Service reports this gauge below its action stage. That is not a statement that wading is safe.
NWS observed 1.15 ft stage, 9 ft³/s at Nov 5, 8:15 PM EST (NWS gauge GFHM2; its stage datum can differ from the USGS gauge height).
Forecasts are not available. Only observed stages are available for this point.
Open the NWS gauge page · What the categories mean (National Weather Service)
Checked Nov 5, 8:58 PM EST; readings refresh at most every 15 minutes and statistics daily. Provisional USGS data can be revised. Conditions change: re-check before you go. This is general guidance, not a fishing forecast, a safety guarantee or a statement about access.