USGS Streamgage 14202980
Scoggins Creek below Henry Hagg Lake, near Gaston, OR
Scoggins Creek below Henry Hagg Lake, near Gaston, OR is USGS streamgage 14202980 in Oregon, monitoring river discharge in hydrologic subbasin 17090010. It sits on the Scoggins Creek, alongside 1 other gauge Rivermatics tracks on the same river. It drains a watershed of about 39 square miles. Discharge records at this site go back to 1975. Typical flow runs near 131.4 cfs in July and 50.5 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Oregon
- Drainage area
- 39 sq mi
- Subbasin (HUC-8)
- 17090010
- Coordinates
- 45.46928, -123.20011
- USGS site number
- 14202980
- Records begin
- 1975-01-01 (51 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 32 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | 10 | 64.6 | 579 | |
| February | 10 | 27.1 | 510.9 | |
| March | 10.5 | 62.2 | 323.5 | |
| April | 10.5 | 50.5 | 178.2 | |
| May | 20.3 | 48.7 | 110.6 | |
| June | 18.5 | 59.1 | 119.3 | |
| July | 68.2 | 131.4 | 190.2 | |
| August | 98 | 159 | 207.2 | |
| September | 73.5 | 126.1 | 189 | |
| October | 32.5 | 94.2 | 158.4 | |
| November | 15.2 | 34.5 | 160 | |
| December | 9.8 | 27.4 | 496.9 |
All values in cubic feet per second (cfs).
Common questions
- When does Scoggins Creek below Henry Hagg Lake, near Gaston, OR normally run highest?
- August, on the long-term record. The median daily flow that month is about 159 cfs, against 27.1 cfs in February, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Scoggins Creek below Henry Hagg Lake, near Gaston, OR?
- It depends on the month. In January, half of days historically fall near 64.6 cfs, with the middle 80% of days between 10 and 579 cfs. The month-by-month table on this page gives the full range.
- How long has Scoggins Creek below Henry Hagg Lake, near Gaston, OR been measured?
- Discharge records at USGS site 14202980 begin in 1975, about 51 years, covering roughly 9,160 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Scoggins Creek below Henry Hagg Lake, near Gaston, OR?
- The gauge sits at 45.46928, -123.20011, in Oregon, in hydrologic subbasin 17090010, draining roughly 39 square miles.
- Can I use Scoggins Creek below Henry Hagg Lake, near Gaston, OR data for flood or safety decisions?
- No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.
Upstream and downstream on the Scoggins Creek
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Scoggins Creek in full.
- Scoggins Creek below Henry Hagg Lake, near Gaston, OR this page
- Scoggins Creek near Sw Old Hwy 47, near Gaston, OR 44 sq mi
Other gauges in this subbasin
- Tualatin River near Dilley, OR
- EF Dairy Creek above Murtaugh Creek near Meacham Corner, OR
- Tualatin River at Hwy 219 near Hillsboro, OR
- Rock Creek above Bethany Lake, near Bethany, OR
- Rock Creek near Bethany Lake, near Bethany, OR
- Rock Creek below Bethany Lake, near Bethany, OR
- Tualatin River at River Mile 24.5, near Scholls, OR
- Chicken Creek above Seasonal Trail, near Sherwood, OR