A small USGS stream gaging station with an antenna on its roof under a cloudy evening sky

Check a river’s flow.

Search any USGS stream gauge by river or station name, by state, or near you. Each card shows the latest flow and how it compares with the normal range for today’s date; open a gauge for the full picture: trend, water temperature and what it means for trout, safety and the official NWS flood stage.

Flow rate checkerSwitch tool

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23 USGS gauges near your location (within 30 miles)

CACHE C SETTLING BASIN SITE B NR WOODLAND CA

USGS 384041121410301

Limited data: Not enough data: no water temperature or flow statistics here

No water temperature, flow statistics here.

Gauge height: 25.7 ft

No flow at this gauge. USGS does not publish discharge here, so there are no flow statistics either; it reports what is shown. We found no other gauge on the same river that publishes flow.

Steady · 24 h

Last 24 hours

View data as a table

Gauge height, last 7 days: readings, about hourly, newest first. USGS provisional data may be revised.
Time	Gauge height (ft)
Nov 5, 4:45 PM PST	25.7
Nov 5, 3:45 PM PST	25.7
Nov 5, 2:45 PM PST	25.7
Nov 5, 1:45 PM PST	25.7
Nov 5, 12:45 PM PST	25.7
Nov 5, 11:45 AM PST	25.7
Nov 5, 10:45 AM PST	25.7
Nov 5, 9:45 AM PST	25.7
Nov 5, 8:45 AM PST	25.7
Nov 5, 7:45 AM PST	25.7
Nov 5, 6:45 AM PST	25.7
Nov 5, 5:45 AM PST	25.7
Nov 5, 4:45 AM PST	25.7
Nov 5, 3:45 AM PST	25.7
Nov 5, 2:45 AM PST	25.7
Nov 5, 1:45 AM PST	25.7
Nov 5, 12:45 AM PST	25.7
Nov 4, 11:45 PM PST	25.7
Nov 4, 10:45 PM PST	25.7
Nov 4, 9:45 PM PST	25.7
Nov 4, 8:45 PM PST	25.7
Nov 4, 7:45 PM PST	25.7
Nov 4, 6:45 PM PST	25.7
Nov 4, 5:45 PM PST	25.7
Nov 4, 4:45 PM PST	25.7
Nov 4, 3:45 PM PST	25.7
Nov 4, 2:45 PM PST	25.7

Reading Nov 5, 4:45 PM PST · checked 5:21 PM PST

Open full screen USGS

11 miles away in a straight line

CACHE C SETTLING BASIN SITE C NR WOODLAND CA

USGS 384041121402601

Limited data: Not enough data: no water temperature or flow statistics here

No water temperature, flow statistics here.

Gauge height: 22.4 ft

No flow at this gauge. USGS does not publish discharge here, so there are no flow statistics either; it reports what is shown. We found no other gauge on the same river that publishes flow.

Steady · 24 h

Last 24 hours

View data as a table

Gauge height, last 7 days: readings, about hourly, newest first. USGS provisional data may be revised.
Time	Gauge height (ft)
Nov 5, 4:15 PM PST	22.4
Nov 5, 3:15 PM PST	22.4
Nov 5, 2:15 PM PST	22.4
Nov 5, 1:15 PM PST	22.4
Nov 5, 12:15 PM PST	22.4
Nov 5, 11:15 AM PST	22.4
Nov 5, 10:15 AM PST	22.4
Nov 5, 9:15 AM PST	22.4
Nov 5, 8:15 AM PST	22.4
Nov 5, 7:15 AM PST	22.4
Nov 5, 6:15 AM PST	22.4
Nov 5, 5:15 AM PST	22.4
Nov 5, 4:15 AM PST	22.4
Nov 5, 3:15 AM PST	22.4
Nov 5, 2:15 AM PST	22.4
Nov 5, 1:15 AM PST	22.4
Nov 5, 12:15 AM PST	22.4
Nov 4, 11:15 PM PST	22.4
Nov 4, 10:15 PM PST	22.4
Nov 4, 9:15 PM PST	22.4
Nov 4, 8:15 PM PST	22.4
Nov 4, 7:15 PM PST	22.4
Nov 4, 6:15 PM PST	22.4
Nov 4, 5:15 PM PST	22.4
Nov 4, 4:15 PM PST	22.4
Nov 4, 3:15 PM PST	22.4
Nov 4, 2:15 PM PST	22.4

Reading Nov 5, 4:15 PM PST · checked 5:21 PM PST

CACHE C OUTFLOW FROM SETTLING BASIN NR WOODLAND CA

USGS 11452900

Limited data: Normal flow for the date: no water temperature here

No water temperature here.

Discharge: 0 ft³/s
Gauge height: 18.3 ft

Normal for Nov 5 Steady · 24 h

Last 24 hours

View data as a table

Discharge, last 7 days: readings, about hourly, newest first. USGS provisional data may be revised.
Time	Discharge (ft³/s)	Gauge height (ft)
Nov 5, 4:15 PM PST	0	18.3
Nov 5, 3:15 PM PST	0	18.3
Nov 5, 2:15 PM PST	0	18.3
Nov 5, 1:15 PM PST	0	18.3
Nov 5, 12:15 PM PST	0	18.3
Nov 5, 11:15 AM PST	0	18.3
Nov 5, 10:15 AM PST	0	18.3
Nov 5, 9:15 AM PST	0	18.3
Nov 5, 8:15 AM PST	0	18.3
Nov 5, 7:15 AM PST	0	18.3
Nov 5, 6:15 AM PST	0	18.3
Nov 5, 5:15 AM PST	0	18.3
Nov 5, 4:15 AM PST	0	18.3
Nov 5, 3:15 AM PST	0	18.3
Nov 5, 2:15 AM PST	0	18.3
Nov 5, 1:15 AM PST	0	18.3
Nov 5, 12:15 AM PST	0	18.3
Nov 4, 11:15 PM PST	0	18.3
Nov 4, 10:15 PM PST	0	18.3
Nov 4, 9:15 PM PST	0	18.3
Nov 4, 8:15 PM PST	0	18.3
Nov 4, 7:15 PM PST	0	18.3
Nov 4, 6:15 PM PST	0	18.3
Nov 4, 5:15 PM PST	0	18.3
Nov 4, 4:15 PM PST	0	18.3
Nov 4, 3:15 PM PST	0	18.3
Nov 4, 2:15 PM PST	0	18.3

CACHE C TOTAL FLOW FROM SETTLING BAS NR WOOD'LD CA
USGS 11452901
Limited data: Normal flow for the date: no water temperature here
No water temperature here.
Flow, daily mean Nov 4
0 ft³/s
Daily mean flow for Wed, Nov 4: USGS publishes this gauge's flow once a day, after the day ends, not as live readings.
Normal for Nov 4
Open full screen USGS
11.3 miles away in a straight line

CACHE C OVERFLOW WEIR FROM SETTLING BAS NR WOOD'LD

USGS 11452800

Limited data: Normal flow for the date: no water temperature here

No water temperature here.

Discharge: 0 ft³/s
Gauge height: 31.9 ft

Normal for Nov 5 Steady · 24 h

Last 24 hours

View data as a table

Discharge, last 7 days: readings, about hourly, newest first. USGS provisional data may be revised.
Time	Discharge (ft³/s)	Gauge height (ft)
Nov 5, 4:15 PM PST	0	31.9
Nov 5, 3:15 PM PST	0	31.8
Nov 5, 2:15 PM PST	0	31.8
Nov 5, 1:15 PM PST	0	31.9
Nov 5, 12:15 PM PST	0	31.9
Nov 5, 11:15 AM PST	0	31.9
Nov 5, 10:15 AM PST	0	31.8
Nov 5, 9:15 AM PST	0	31.8
Nov 5, 8:15 AM PST	0	31.8
Nov 5, 7:15 AM PST	0	31.8
Nov 5, 6:15 AM PST	0	31.8
Nov 5, 5:15 AM PST	0	31.8
Nov 5, 4:15 AM PST	0	31.8
Nov 5, 3:15 AM PST	0	31.8
Nov 5, 2:15 AM PST	0	31.8
Nov 5, 1:15 AM PST	0	31.8
Nov 5, 12:15 AM PST	0	31.8
Nov 4, 11:15 PM PST	0	31.8
Nov 4, 10:15 PM PST	0	31.8
Nov 4, 9:15 PM PST	0	31.8
Nov 4, 8:15 PM PST	0	31.8
Nov 4, 7:15 PM PST	0	31.8
Nov 4, 6:15 PM PST	0	31.8
Nov 4, 5:15 PM PST	0	31.8
Nov 4, 4:15 PM PST	0	31.8
Nov 4, 3:15 PM PST	0	31.9
Nov 4, 2:15 PM PST	0	31.9

YOLO BYPASS NR WOODLAND CA

USGS 11453000

Caution: High water: fish the edges; wading risky

No water temperature here.

Discharge: 39.7 ft³/s
Gauge height: 9.69 ft

Much above normal for Nov 5 Steady · 24 h

Last 24 hours

View data as a table

Discharge, last 7 days: readings, about hourly, newest first. USGS provisional data may be revised.
Time	Discharge (ft³/s)	Gauge height (ft)
Nov 5, 4:30 PM PST	39.7	9.69
Nov 5, 3:30 PM PST	39.7	9.69
Nov 5, 2:30 PM PST	39.7	9.69
Nov 5, 1:30 PM PST	39.7	9.69
Nov 5, 12:30 PM PST	39.7	9.69
Nov 5, 11:30 AM PST	39.7	9.69
Nov 5, 10:30 AM PST	39.7	9.69
Nov 5, 9:30 AM PST	39.7	9.69
Nov 5, 8:30 AM PST	39.2	9.68
Nov 5, 7:30 AM PST	39.2	9.68
Nov 5, 6:30 AM PST	39.2	9.68
Nov 5, 5:30 AM PST	39.2	9.68
Nov 5, 4:30 AM PST	39.2	9.68
Nov 5, 3:30 AM PST	39.2	9.68
Nov 5, 2:30 AM PST	39.2	9.68
Nov 5, 1:30 AM PST	39.2	9.68
Nov 5, 12:30 AM PST	39.2	9.68
Nov 4, 11:30 PM PST	39.7	9.69
Nov 4, 10:30 PM PST	39.2	9.68
Nov 4, 9:30 PM PST	39.2	9.68
Nov 4, 8:30 PM PST	39.7	9.69
Nov 4, 7:30 PM PST	39.7	9.69
Nov 4, 6:30 PM PST	39.7	9.69
Nov 4, 5:30 PM PST	39.7	9.69
Nov 4, 4:30 PM PST	39.7	9.69
Nov 4, 3:30 PM PST	39.7	9.69
Nov 4, 2:30 PM PST	40.2	9.7

CACHE C A YOLO CA

USGS 11452500

Limited data: Normal flow for the date: no water temperature here

No water temperature here. The full view adds the NWS forecast.

Discharge: 0 ft³/s
Gauge height: 45.5 ft

Normal for Nov 5 Steady · 24 h Below NWS action stage

Last 24 hours

View data as a table

Discharge, last 7 days: readings, about hourly, newest first. USGS provisional data may be revised.
Time	Discharge (ft³/s)	Gauge height (ft)
Nov 5, 4:30 PM PST	0	45.5
Nov 5, 3:30 PM PST	0	45.5
Nov 5, 2:30 PM PST	0	45.5
Nov 5, 1:30 PM PST	0	45.5
Nov 5, 12:30 PM PST	0	45.5
Nov 5, 11:30 AM PST	0	45.5
Nov 5, 10:30 AM PST	0	45.5
Nov 5, 9:30 AM PST	0	45.5
Nov 5, 8:30 AM PST	0	45.5
Nov 5, 7:30 AM PST	0	45.5
Nov 5, 6:30 AM PST	0	45.5
Nov 5, 5:30 AM PST	0	45.5
Nov 5, 4:30 AM PST	0	45.5
Nov 5, 3:30 AM PST	0	45.5
Nov 5, 2:30 AM PST	0	45.5
Nov 5, 1:30 AM PST	0	45.5
Nov 5, 12:30 AM PST	0	45.5
Nov 4, 11:30 PM PST	0	45.5
Nov 4, 10:30 PM PST	0	45.5
Nov 4, 9:30 PM PST	0	45.5
Nov 4, 8:30 PM PST	0	45.5
Nov 4, 7:30 PM PST	0	45.5
Nov 4, 6:30 PM PST	0	45.5
Nov 4, 5:30 PM PST	0	45.5
Nov 4, 4:30 PM PST	0	45.5
Nov 4, 3:30 PM PST	0	45.5
Nov 4, 2:30 PM PST	0	45.5

SACRAMENTO R A FREEPORT CA

USGS 11447650

Caution: Low water: go quiet and stealthy

Discharge: 5,830 ft³/s
Gauge height: 105 ft
Water temp: 57.4°F

Lowest for this date on record for Nov 5 Falling · 24 h

Last 24 hours

View data as a table

Discharge, last 7 days: readings, about hourly, newest first. USGS provisional data may be revised.
Time	Discharge (ft³/s)	Gauge height (ft)	Water temp (°F)
Nov 5, 4:15 PM PST	5,830	105	57.4
Nov 5, 3:15 PM PST	1,530	105	57.4
Nov 5, 2:15 PM PST	706	104	57.2
Nov 5, 1:15 PM PST	1,870	104	57.2
Nov 5, 12:15 PM PST	3,000	104	57.2
Nov 5, 11:15 AM PST	6,280	103	57.2
Nov 5, 10:15 AM PST	10,200	103	57
Nov 5, 9:15 AM PST	11,700	103	56.7
Nov 5, 8:15 AM PST	11,700	103	56.7
Nov 5, 7:15 AM PST	11,400	103	56.5
Nov 5, 6:15 AM PST	10,700	104	56.7
Nov 5, 5:15 AM PST	9,670	104	56.7
Nov 5, 4:15 AM PST	8,140	104	56.8
Nov 5, 3:15 AM PST	4,920	104	56.8
Nov 5, 2:15 AM PST	2,680	104	57
Nov 5, 1:15 AM PST	2,590	104	57.2
Nov 5, 12:15 AM PST	3,970	104	57.2
Nov 4, 11:15 PM PST	7,550	103	57.2
Nov 4, 10:15 PM PST	10,500	103	57.4
Nov 4, 9:15 PM PST	11,500	103	57.4
Nov 4, 8:15 PM PST	10,900	104	57.6
Nov 4, 7:15 PM PST	10,800	104	57.6
Nov 4, 6:15 PM PST	10,600	104	57.6
Nov 4, 5:15 PM PST	9,750	104	57.6
Nov 4, 4:15 PM PST	7,430	104	57.6
Nov 4, 3:15 PM PST	2,680	105	57.6
Nov 4, 2:15 PM PST	1,010	105	–

GREEN SLOUGH NR COURTLAND CA

USGS 381905121413901

Caution: Rising water: fishable, but watch the level

No water temperature, flow statistics here.

Discharge: 926 ft³/s
Gauge height: 13.9 ft

Rising · 24 h

Last 24 hours

View data as a table

Discharge, last 7 days: readings, about hourly, newest first. USGS provisional data may be revised.
Time	Discharge (ft³/s)	Gauge height (ft)
Nov 5, 4:45 PM PST	926	13.9
Nov 5, 3:45 PM PST	436	14.4
Nov 5, 8:30 AM PST	69.1	11.7
Nov 5, 7:30 AM PST	215	11.6
Nov 5, 6:30 AM PST	393	12.1
Nov 5, 5:30 AM PST	525	12.7
Nov 5, 4:30 AM PST	650	13.2
Nov 5, 3:30 AM PST	647	13.8
Nov 4, 8:45 PM PST	87.3	12
Nov 4, 7:45 PM PST	340	12.2
Nov 4, 6:45 PM PST	461	12.7
Nov 4, 5:45 PM PST	683	13.2
Nov 4, 4:45 PM PST	823	13.7
Nov 4, 3:45 PM PST	872	14.3

Reading Nov 5, 4:45 PM PST · checked 5:21 PM PST

Open full screen

NEMETH SLOUGH NR COURTLAND CA

USGS 381807121413801

Warning: Rising fast: be careful, conditions are changing

No water temperature, flow statistics here.

Discharge: 1,180 ft³/s
Gauge height: 14.4 ft

Rising · 24 h

Last 24 hours

View data as a table

Discharge, last 7 days: readings, about hourly, newest first. USGS provisional data may be revised.
Time	Discharge (ft³/s)	Gauge height (ft)
Nov 5, 4:45 PM PST	1,180	14.4
Nov 5, 3:45 PM PST	261	14.9
Nov 5, 11:45 AM PST	84.4	14.1
Nov 5, 9:45 AM PST	38.1	13
Nov 5, 8:45 AM PST	577	12.2
Nov 5, 7:45 AM PST	1,330	12.1
Nov 5, 6:45 AM PST	2,450	12.6
Nov 5, 5:45 AM PST	2,230	13.1
Nov 5, 4:45 AM PST	2,020	13.7
Nov 5, 3:45 AM PST	752	14.2
Nov 4, 10:30 PM PST	73.7	13.7
Nov 4, 9:15 PM PST	188	–
Nov 4, 8:15 PM PST	564	–
Nov 4, 7:15 PM PST	802	–
Nov 4, 6:15 PM PST	563	–
Nov 4, 5:00 PM PST	3.49	14.2
Nov 4, 4:00 PM PST	913	14.7

Reading Nov 5, 4:45 PM PST · checked 5:21 PM PST

PUTAH C NR WINTERS CA

USGS 11454000

Limited data: Normal flow for the date: no water temperature here

No water temperature here.

Discharge: 101 ft³/s
Gauge height: 5.94 ft

Normal for Nov 5 Steady · 24 h

Last 24 hours

View data as a table

Discharge, last 7 days: readings, about hourly, newest first. USGS provisional data may be revised.
Time	Discharge (ft³/s)	Gauge height (ft)
Nov 5, 5:00 PM PST	101	5.94
Nov 5, 4:00 PM PST	104	5.96
Nov 5, 3:00 PM PST	108	5.99
Nov 5, 2:00 PM PST	103	5.95
Nov 5, 1:00 PM PST	103	5.95
Nov 5, 12:00 PM PST	100	5.93
Nov 5, 11:00 AM PST	100	5.93
Nov 5, 10:00 AM PST	100	5.93
Nov 5, 9:00 AM PST	100	5.93
Nov 5, 8:00 AM PST	100	5.93
Nov 5, 7:00 AM PST	100	5.93
Nov 5, 6:00 AM PST	100	5.93
Nov 5, 5:00 AM PST	100	5.93
Nov 5, 4:00 AM PST	100	5.93
Nov 5, 3:00 AM PST	100	5.93
Nov 5, 2:00 AM PST	100	5.93
Nov 5, 1:00 AM PST	100	5.93
Nov 5, 12:00 AM PST	100	5.93
Nov 4, 11:00 PM PST	100	5.93
Nov 4, 10:00 PM PST	100	5.93
Nov 4, 9:00 PM PST	100	5.93
Nov 4, 8:00 PM PST	100	5.93
Nov 4, 7:00 PM PST	100	5.93
Nov 4, 6:00 PM PST	100	5.93
Nov 4, 5:00 PM PST	101	5.94
Nov 4, 4:00 PM PST	109	6
Nov 4, 3:00 PM PST	125	6.11

SACRAMENTO R A VERONA CA

USGS 11425500

Limited data: Normal flow for the date: no water temperature here

No water temperature here. The full view adds the NWS forecast.

Discharge: 7,300 ft³/s
Gauge height: 11 ft

Below normal for Nov 5 Steady · 24 h Below NWS action stage

Last 24 hours

View data as a table

Discharge, last 7 days: readings, about hourly, newest first. USGS provisional data may be revised.
Time	Discharge (ft³/s)	Gauge height (ft)
Nov 5, 4:45 PM PST	7,300	11
Nov 5, 3:45 PM PST	7,250	11
Nov 5, 2:45 PM PST	7,200	11
Nov 5, 1:45 PM PST	7,250	11
Nov 5, 12:45 PM PST	7,270	11
Nov 5, 11:45 AM PST	7,300	11
Nov 5, 10:45 AM PST	7,350	11.1
Nov 5, 9:45 AM PST	7,360	11.1
Nov 5, 8:45 AM PST	7,380	11.1
Nov 5, 7:45 AM PST	7,380	11.1
Nov 5, 6:45 AM PST	7,360	11.1
Nov 5, 5:45 AM PST	7,350	11.1
Nov 5, 4:45 AM PST	7,300	11
Nov 5, 3:45 AM PST	7,280	11
Nov 5, 2:45 AM PST	7,280	11
Nov 5, 1:45 AM PST	7,280	11
Nov 5, 12:45 AM PST	7,320	11
Nov 4, 11:45 PM PST	7,360	11.1
Nov 4, 10:45 PM PST	7,400	11.1
Nov 4, 9:45 PM PST	7,430	11.1
Nov 4, 8:45 PM PST	7,450	11.1
Nov 4, 7:45 PM PST	7,450	11.1
Nov 4, 6:45 PM PST	7,430	11.1
Nov 4, 5:45 PM PST	7,380	11.1
Nov 4, 4:45 PM PST	7,320	11
Nov 4, 3:45 PM PST	7,270	11
Nov 4, 2:45 PM PST	7,250	11

Checked Nov 5, 5:21 PM PST; 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.

CACHE C SETTLING BASIN SITE B NR WOODLAND CA
USGS 384041121410301 · CA · no flow · gauge height · 11 mi
Reading the gauge…
CACHE C SETTLING BASIN SITE C NR WOODLAND CA
USGS 384041121402601 · CA · no flow · gauge height · 11.2 mi
Reading the gauge…
CACHE C OUTFLOW FROM SETTLING BASIN NR WOODLAND CA
USGS 11452900 · CA · live flow · gauge height · water temperature · 11.3 mi
Reading the gauge…
CACHE C TOTAL FLOW FROM SETTLING BAS NR WOOD'LD CA
USGS 11452901 · CA · daily flow · 11.3 mi
Reading the gauge…
CACHE C OVERFLOW WEIR FROM SETTLING BAS NR WOOD'LD
USGS 11452800 · CA · live flow · gauge height · 11.5 mi
Reading the gauge…
YOLO BYPASS NR WOODLAND CA
USGS 11453000 · CA · live flow · gauge height · 12 mi
Reading the gauge…
CACHE C A YOLO CA
USGS 11452500 · CA · live flow · gauge height · water temperature · 13.8 mi
Reading the gauge…
SACRAMENTO R A FREEPORT CA
USGS 11447650 · CA · live flow · gauge height · water temperature · 14.9 mi
Reading the gauge…
GREEN SLOUGH NR COURTLAND CA
USGS 381905121413901 · CA · live flow · gauge height · water temperature · 15.1 mi
Reading the gauge…
NEMETH SLOUGH NR COURTLAND CA
USGS 381807121413801 · CA · live flow · gauge height · 16.2 mi
Reading the gauge…
PUTAH C NR WINTERS CA
USGS 11454000 · CA · live flow · gauge height · 17.4 mi
Reading the gauge…
SACRAMENTO R A VERONA CA
USGS 11425500 · CA · live flow · gauge height · 19 mi
Reading the gauge…

11 more gauges

AMERICAN R BL WATT AVE BRDG NR CARMICHAEL CAUSGS 11446980 · CA · no flow · water temperature · 20.3 mi
ARCADE C NR DEL PASO HEIGHTS CAUSGS 11447360 · CA · live flow · gauge height · water temperature · 21.8 mi
SACRAMENTO R AB DELTA CROSS CHANNEL CAUSGS 11447890 · CA · live flow · gauge height · 22.9 mi
LAGUNA C NR ELK GROVE CAUSGS 11336585 · CA · flow record ended · gauge height · 23.2 mi
AMERICAN R A WILLIAM B POND PARK A CARMICHAEL CAUSGS 11446700 · CA · no flow · water temperature · 23.5 mi
SACRAMENTO R BL GEORGIANA SLOUGH CAUSGS 11447905 · CA · live flow · gauge height · 23.9 mi
SACRAMENTO R BL WALNUT GROVE BR A WALNUT GROVE CAUSGS 381427121305401 · CA · live flow · gauge height · 24 mi
DENVERTON SLOUGH A GATE 4 NR FAIRFIELD CAUSGS 381154121545401 · CA · no flow · water temperature · 24.4 mi
SACRAMENTO R A RIO VISTA CAUSGS 11455420 · CA · live flow · gauge height · 26.3 mi
AMERICAN R A FAIR OAKS CAUSGS 11446500 · CA · live flow · gauge height · water temperature · 29.7 mi
THREEMILE SLOUGH NR RIO VISTA CAUSGS 11337080 · CA · live flow · gauge height · 29.8 mi

Quick picks: our 2,852 waters by state

Each state opens its USGS gauges and our water pages there; a water opens the live cards for its gauges, or the NOAA tides for flats and surf.

Search covers 11,178 USGS stream gauges that reported discharge, gauge height or water temperature in the 183 days before 2026-10-23 (USGS series catalog); readings are fetched live when a gauge is shown.

Where these numbers come from

Discharge, gauge height, water temperature and water quality: U.S. Geological Survey readings (provisional, can be revised), cached for 15 minutes. Where USGS publishes a gauge’s flow only once a day, the latest daily mean is shown with its date.
Normal range: the 25th to 75th percentile of daily mean flow for the same calendar day over the gauge’s record (USGS daily statistics), classed as USGS does (hyswap).
Temperature guidance for trout quotes the gauge’s own state fish and wildlife agency; where we found none, it says so and quotes federal guidance (National Park Service, U.S. Fish and Wildlife Service). Cold-water safety quotes the NWS; dissolved oxygen and pH are read against EPA criteria. Each line names its source.
Flood stage and forecasts: the National Weather Service’s National Water Prediction Service and its Turn Around Don’t Drown guidance. Tides: NOAA Tides & Currents.

General guidance, not a fishing forecast, a safety guarantee or a statement about access. Planning a trip? The trip planner shows these readings on every day you fish a water.