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

Your browser will ask before sharing your location. It is used once, rounded to about a kilometre, to list gauges within 30 miles, and is not stored.

11 USGS gauges near your location (within 60 miles)

EAST FORK WALLOWA RIVER NEAR JOSEPH, OR

USGS 13325000

Good: Good conditions: fish normally

Discharge: 6.53 ft³/s
Gauge height: 4.6 ft
Water temp: 39.7°F

Normal 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, 5:45 PM PST	6.53	4.6	39.7
Nov 5, 4:45 PM PST	7.24	4.62	39.9
Nov 5, 3:45 PM PST	11.5	4.72	39.9
Nov 5, 2:45 PM PST	11.5	4.72	39.9
Nov 5, 1:45 PM PST	11.5	4.72	39.7
Nov 5, 12:45 PM PST	11.5	4.72	39.4
Nov 5, 11:45 AM PST	12	4.73	39.2
Nov 5, 10:45 AM PST	12	4.73	39
Nov 5, 9:45 AM PST	11.5	4.72	38.7
Nov 5, 8:45 AM PST	12	4.73	38.3
Nov 5, 7:45 AM PST	11.5	4.72	38.1
Nov 5, 6:45 AM PST	11.5	4.72	37.9
Nov 5, 5:45 AM PST	11.5	4.72	37.8
Nov 5, 4:45 AM PST	11.5	4.72	37.8
Nov 5, 3:45 AM PST	7.24	4.62	37.6
Nov 5, 2:45 AM PST	5.97	4.58	37.6
Nov 5, 1:45 AM PST	5.97	4.58	37.6
Nov 5, 12:45 AM PST	5.97	4.58	37.6
Nov 4, 11:45 PM PST	6.88	4.61	37.6
Nov 4, 10:45 PM PST	7.99	4.64	37.8
Nov 4, 9:45 PM PST	5.97	4.58	37.8
Nov 4, 8:45 PM PST	10.5	4.7	37.9
Nov 4, 7:45 PM PST	12	4.73	37.9
Nov 4, 6:45 PM PST	12	4.73	37.9
Nov 4, 5:45 PM PST	12	4.73	37.9
Nov 4, 4:45 PM PST	12	4.73	38.1
Nov 4, 3:45 PM PST	5.97	4.58	38.1

Reading Nov 5, 5:45 PM PST · checked 6:35 PM PST

Open full screen USGS

24.1 miles away in a straight line

LITTLE SALMON RIVER AT RIGGINS ID

USGS 13316500

Caution: Low water: go quiet and stealthy

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

Discharge: 140 ft³/s
Gauge height: 2.38 ft

Much 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, 7:00 PM MST	140	2.38
Nov 5, 6:00 PM MST	140	2.38
Nov 5, 5:00 PM MST	140	2.38
Nov 5, 4:00 PM MST	140	2.38
Nov 5, 3:00 PM MST	140	2.38
Nov 5, 2:00 PM MST	138	2.37
Nov 5, 1:00 PM MST	140	2.38
Nov 5, 12:00 PM MST	140	2.38
Nov 5, 11:00 AM MST	140	2.38
Nov 5, 10:00 AM MST	140	2.38
Nov 5, 9:00 AM MST	143	2.39
Nov 5, 8:00 AM MST	143	2.39
Nov 5, 7:00 AM MST	140	2.38
Nov 5, 6:00 AM MST	140	2.38
Nov 5, 5:00 AM MST	140	2.38
Nov 5, 4:00 AM MST	140	2.38
Nov 5, 3:00 AM MST	143	2.39
Nov 5, 2:00 AM MST	143	2.39
Nov 5, 1:00 AM MST	143	2.39
Nov 5, 12:00 AM MST	143	2.39
Nov 4, 11:00 PM MST	143	2.39
Nov 4, 10:00 PM MST	143	2.39
Nov 4, 9:00 PM MST	145	2.4
Nov 4, 8:00 PM MST	145	2.4
Nov 4, 7:00 PM MST	140	2.38
Nov 4, 6:00 PM MST	143	2.39
Nov 4, 5:00 PM MST	143	2.39

NF PAYETTE RIVER AT MCCALL ID

USGS 13239000

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

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

Discharge: 42.3 ft³/s
Gauge height: 1.92 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, 6:30 PM MST	42.3	1.92
Nov 5, 5:30 PM MST	42.3	1.92
Nov 5, 4:30 PM MST	42.3	1.92
Nov 5, 3:30 PM MST	42.3	1.92
Nov 5, 2:30 PM MST	42.3	1.92
Nov 5, 1:30 PM MST	42.3	1.92
Nov 5, 12:30 PM MST	42.3	1.92
Nov 5, 11:30 AM MST	42.3	1.92
Nov 5, 10:30 AM MST	42.3	1.92
Nov 5, 9:30 AM MST	42.3	1.92
Nov 5, 8:30 AM MST	42.3	1.92
Nov 5, 7:30 AM MST	42.3	1.92
Nov 5, 6:30 AM MST	43.2	1.93
Nov 5, 5:30 AM MST	43.2	1.93
Nov 5, 4:30 AM MST	43.2	1.93
Nov 5, 3:30 AM MST	43.2	1.93
Nov 5, 2:30 AM MST	43.2	1.93
Nov 5, 1:30 AM MST	43.2	1.93
Nov 5, 12:30 AM MST	43.2	1.93
Nov 4, 11:30 PM MST	44.1	1.94
Nov 4, 10:30 PM MST	44.1	1.94
Nov 4, 9:30 PM MST	44.1	1.94
Nov 4, 8:30 PM MST	44.1	1.94
Nov 4, 7:30 PM MST	44.1	1.94
Nov 4, 6:30 PM MST	44.1	1.94
Nov 4, 5:30 PM MST	44.1	1.94
Nov 4, 4:30 PM MST	44.1	1.94

WEISER RIVER NR CAMBRIDGE ID

USGS 13258500

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

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

Discharge: 73.7 ft³/s
Gauge height: 2.87 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, 7:15 PM MST	73.7	2.87
Nov 5, 6:15 PM MST	73.7	2.87
Nov 5, 5:15 PM MST	73.7	2.87
Nov 5, 4:15 PM MST	73.7	2.87
Nov 5, 3:15 PM MST	73.7	2.87
Nov 5, 2:15 PM MST	73.7	2.87
Nov 5, 1:15 PM MST	73.7	2.87
Nov 5, 12:15 PM MST	73.7	2.87
Nov 5, 11:15 AM MST	75.2	2.88
Nov 5, 10:15 AM MST	73.7	2.87
Nov 5, 9:15 AM MST	75.2	2.88
Nov 5, 8:15 AM MST	75.2	2.88
Nov 5, 7:15 AM MST	75.2	2.88
Nov 5, 6:15 AM MST	75.2	2.88
Nov 5, 5:15 AM MST	75.2	2.88
Nov 5, 4:15 AM MST	75.2	2.88
Nov 5, 3:15 AM MST	75.2	2.88
Nov 5, 2:15 AM MST	75.2	2.88
Nov 5, 1:15 AM MST	75.2	2.88
Nov 5, 12:15 AM MST	75.2	2.88
Nov 4, 11:15 PM MST	75.2	2.88
Nov 4, 10:15 PM MST	75.2	2.88
Nov 4, 9:15 PM MST	75.2	2.88
Nov 4, 8:15 PM MST	76.7	2.89
Nov 4, 7:15 PM MST	76.7	2.89
Nov 4, 6:15 PM MST	76.7	2.89
Nov 4, 5:15 PM MST	76.7	2.89

LAKE FORK PAYETTE RIVER AB JUMBO CR NR MCCALL ID
USGS 13240000
No current reading. USGS answered but returned no recent value for this gauge (ice, maintenance or a seasonal gauge).
Open full screen USGS NWS
40.3 miles away in a straight line

SALMON RIVER AT WHITE BIRD ID

USGS 13317000

Good: Good trout conditions: fish normally

The full view adds the NWS forecast.

Discharge: 4,140 ft³/s
Gauge height: 12.6 ft
Water temp: 46.4°F

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)	Water temp (°F)
Nov 5, 5:45 PM PST	4,140	12.6	46.4
Nov 5, 4:45 PM PST	4,140	12.6	46.6
Nov 5, 3:45 PM PST	4,150	12.6	46.6
Nov 5, 2:45 PM PST	4,150	12.6	46.6
Nov 5, 1:45 PM PST	4,150	12.6	46.6
Nov 5, 12:45 PM PST	4,150	12.6	46.8
Nov 5, 11:45 AM PST	4,170	12.6	46.4
Nov 5, 10:45 AM PST	4,170	12.6	46.2
Nov 5, 9:45 AM PST	4,190	12.7	46.2
Nov 5, 8:45 AM PST	4,190	12.7	46.2
Nov 5, 7:45 AM PST	4,190	12.7	46
Nov 5, 6:45 AM PST	4,190	12.7	46
Nov 5, 5:45 AM PST	4,190	12.7	46
Nov 5, 4:45 AM PST	4,190	12.7	46
Nov 5, 3:45 AM PST	4,200	12.7	46.2
Nov 5, 2:45 AM PST	4,200	12.7	46.2
Nov 5, 1:45 AM PST	4,200	12.7	46.4
Nov 5, 12:45 AM PST	4,200	12.7	46.4
Nov 4, 11:45 PM PST	4,220	12.7	46.4
Nov 4, 10:45 PM PST	4,220	12.7	46.4
Nov 4, 9:45 PM PST	4,220	12.7	46.6
Nov 4, 8:45 PM PST	4,220	12.7	46.6
Nov 4, 7:45 PM PST	4,240	12.7	46.8
Nov 4, 6:45 PM PST	4,240	12.7	46.9
Nov 4, 5:45 PM PST	4,250	12.7	47.1
Nov 4, 4:45 PM PST	4,250	12.7	47.3
Nov 4, 3:45 PM PST	4,250	12.7	47.3

SF SALMON RIVER NR KRASSEL RANGER STATION ID

USGS 13310700

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

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

Discharge: 126 ft³/s
Gauge height: 1.66 ft

Below 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, 6:45 PM MST	126	1.66
Nov 5, 5:45 PM MST	126	1.66
Nov 5, 4:45 PM MST	126	1.66
Nov 5, 3:45 PM MST	126	1.66
Nov 5, 2:45 PM MST	126	1.66
Nov 5, 1:45 PM MST	126	1.66
Nov 5, 12:45 PM MST	126	1.66
Nov 5, 11:45 AM MST	126	1.66
Nov 5, 10:45 AM MST	126	1.66
Nov 5, 9:45 AM MST	126	1.66
Nov 5, 8:45 AM MST	126	1.66
Nov 5, 7:45 AM MST	126	1.66
Nov 5, 6:45 AM MST	128	1.67
Nov 5, 5:45 AM MST	128	1.67
Nov 5, 4:45 AM MST	128	1.67
Nov 5, 3:45 AM MST	128	1.67
Nov 5, 2:45 AM MST	128	1.67
Nov 5, 1:45 AM MST	128	1.67
Nov 5, 12:45 AM MST	128	1.67
Nov 4, 11:45 PM MST	128	1.67
Nov 4, 10:45 PM MST	128	1.67
Nov 4, 9:45 PM MST	128	1.67
Nov 4, 8:45 PM MST	128	1.67
Nov 4, 7:45 PM MST	128	1.67
Nov 4, 6:45 PM MST	128	1.67
Nov 4, 5:45 PM MST	130	1.68
Nov 4, 4:45 PM MST	130	1.68

CRANE CREEK AT MOUTH NR WEISER ID

USGS 13265500

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

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

Discharge: 5.56 ft³/s
Gauge height: 1.41 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, 7:00 PM MST	5.56	1.41
Nov 5, 6:00 PM MST	5.92	1.42
Nov 5, 5:00 PM MST	5.92	1.42
Nov 5, 4:00 PM MST	5.56	1.41
Nov 5, 3:00 PM MST	5.56	1.41
Nov 5, 2:00 PM MST	5.56	1.41
Nov 5, 1:00 PM MST	5.92	1.42
Nov 5, 12:00 PM MST	5.56	1.41
Nov 5, 11:00 AM MST	5.92	1.42
Nov 5, 10:00 AM MST	5.56	1.41
Nov 5, 9:00 AM MST	5.56	1.41
Nov 5, 8:00 AM MST	5.56	1.41
Nov 5, 7:00 AM MST	5.56	1.41
Nov 5, 6:00 AM MST	5.56	1.41
Nov 5, 5:00 AM MST	5.56	1.41
Nov 5, 4:00 AM MST	5.56	1.41
Nov 5, 3:00 AM MST	5.56	1.41
Nov 5, 2:00 AM MST	5.56	1.41
Nov 5, 1:00 AM MST	5.56	1.41
Nov 5, 12:00 AM MST	5.56	1.41
Nov 4, 11:00 PM MST	5.56	1.41
Nov 4, 10:00 PM MST	5.56	1.41
Nov 4, 9:00 PM MST	5.56	1.41
Nov 4, 8:00 PM MST	5.92	1.42
Nov 4, 7:00 PM MST	5.92	1.42
Nov 4, 6:00 PM MST	5.92	1.42
Nov 4, 5:00 PM MST	5.56	1.41

WEISER RIVER NR WEISER ID

USGS 13266000

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

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

Discharge: 118 ft³/s
Gauge height: 3.95 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, 7:00 PM MST	118	3.95
Nov 5, 6:00 PM MST	121	3.96
Nov 5, 5:00 PM MST	121	3.96
Nov 5, 4:00 PM MST	123	3.97
Nov 5, 3:00 PM MST	123	3.97
Nov 5, 2:00 PM MST	123	3.97
Nov 5, 1:00 PM MST	121	3.96
Nov 5, 12:00 PM MST	121	3.96
Nov 5, 11:00 AM MST	121	3.96
Nov 5, 10:00 AM MST	121	3.96
Nov 5, 9:00 AM MST	121	3.96
Nov 5, 8:00 AM MST	118	3.95
Nov 5, 7:00 AM MST	118	3.95
Nov 5, 6:00 AM MST	121	3.96
Nov 5, 5:00 AM MST	121	3.96
Nov 5, 4:00 AM MST	121	3.96
Nov 5, 3:00 AM MST	118	3.95
Nov 5, 2:00 AM MST	118	3.95
Nov 5, 1:00 AM MST	118	3.95
Nov 5, 12:00 AM MST	118	3.95
Nov 4, 11:00 PM MST	118	3.95
Nov 4, 10:00 PM MST	118	3.95
Nov 4, 9:00 PM MST	118	3.95
Nov 4, 8:00 PM MST	118	3.95
Nov 4, 7:00 PM MST	121	3.96
Nov 4, 6:00 PM MST	123	3.97
Nov 4, 5:00 PM MST	123	3.97

MINAM RIVER AT MINAM, OR

USGS 13331500

Caution: Low water: go quiet and stealthy

Discharge: 62.5 ft³/s
Gauge height: 0.95 ft
Water temp: 41.7°F

Much below 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)	Water temp (°F)
Nov 5, 6:00 PM PST	62.5	0.95	41.7
Nov 5, 5:00 PM PST	62.5	0.95	42.4
Nov 5, 4:00 PM PST	62.5	0.95	42.8
Nov 5, 3:00 PM PST	60.7	0.94	43.3
Nov 5, 2:00 PM PST	62.5	0.95	43.5
Nov 5, 1:00 PM PST	62.5	0.95	42.4
Nov 5, 12:00 PM PST	62.5	0.95	40.6
Nov 5, 11:00 AM PST	62.5	0.95	39.4
Nov 5, 10:00 AM PST	62.5	0.95	38.7
Nov 5, 9:00 AM PST	62.5	0.95	38.1
Nov 5, 8:00 AM PST	62.5	0.95	37.8
Nov 5, 7:00 AM PST	62.5	0.95	37.6
Nov 5, 6:00 AM PST	62.5	0.95	37.4
Nov 5, 5:00 AM PST	62.5	0.95	37.4
Nov 5, 4:00 AM PST	62.5	0.95	37.6
Nov 5, 3:00 AM PST	62.5	0.95	37.8
Nov 5, 2:00 AM PST	62.5	0.95	37.9
Nov 5, 1:00 AM PST	62.5	0.95	38.3
Nov 5, 12:00 AM PST	62.5	0.95	38.8
Nov 4, 11:00 PM PST	62.5	0.95	39.6
Nov 4, 10:00 PM PST	62.5	0.95	40.3
Nov 4, 9:00 PM PST	62.5	0.95	40.8
Nov 4, 8:00 PM PST	62.5	0.95	41.4
Nov 4, 7:00 PM PST	62.5	0.95	41.7
Nov 4, 6:00 PM PST	62.5	0.95	42.4
Nov 4, 5:00 PM PST	62.5	0.95	43.3
Nov 4, 4:00 PM PST	62.5	0.95	44.2

SNAKE RIVER AT WEISER ID

USGS 13269000

Caution: Low water: go quiet and stealthy

The full view adds the NWS forecast.

Discharge: 10,300 ft³/s
Gauge height: 3.45 ft
Water temp: 50.4°F

Much 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)	Water temp (°F)
Nov 5, 7:00 PM MST	10,300	3.45	50.4
Nov 5, 6:00 PM MST	10,200	3.43	50.5
Nov 5, 5:00 PM MST	10,100	3.42	50.5
Nov 5, 4:00 PM MST	10,200	3.43	50.5
Nov 5, 3:00 PM MST	10,100	3.42	50.4
Nov 5, 2:00 PM MST	10,100	3.41	50
Nov 5, 1:00 PM MST	10,100	3.41	49.3
Nov 5, 12:00 PM MST	10,100	3.4	48.6
Nov 5, 11:00 AM MST	10,100	3.4	48.4
Nov 5, 10:00 AM MST	10,100	3.4	48.2
Nov 5, 9:00 AM MST	10,000	3.39	48.2
Nov 5, 8:00 AM MST	10,100	3.4	48.2
Nov 5, 7:00 AM MST	10,100	3.42	48.6
Nov 5, 6:00 AM MST	10,100	3.4	48.6
Nov 5, 5:00 AM MST	10,100	3.41	48.6
Nov 5, 4:00 AM MST	10,100	3.42	48.7
Nov 5, 3:00 AM MST	10,100	3.4	48.9
Nov 5, 2:00 AM MST	9,960	3.38	49.1
Nov 5, 1:00 AM MST	9,960	3.38	49.1
Nov 5, 12:00 AM MST	9,870	3.36	49.3
Nov 4, 11:00 PM MST	9,870	3.36	49.5
Nov 4, 10:00 PM MST	9,820	3.35	49.6
Nov 4, 9:00 PM MST	9,780	3.34	49.8
Nov 4, 8:00 PM MST	9,730	3.33	50.2
Nov 4, 7:00 PM MST	9,730	3.33	50.7
Nov 4, 6:00 PM MST	9,690	3.32	50.7
Nov 4, 5:00 PM MST	9,690	3.32	50.9

Checked Nov 5, 6:35 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.

EAST FORK WALLOWA RIVER NEAR JOSEPH, OR
USGS 13325000 · OR · live flow · gauge height · water temperature · 24.1 mi
Reading the gauge…
LITTLE SALMON RIVER AT RIGGINS ID
USGS 13316500 · ID · live flow · gauge height · 31 mi
Reading the gauge…
NF PAYETTE RIVER AT MCCALL ID
USGS 13239000 · ID · live flow · gauge height · 34.9 mi
Reading the gauge…
WEISER RIVER NR CAMBRIDGE ID
USGS 13258500 · ID · live flow · gauge height · 36.5 mi
Reading the gauge…
LAKE FORK PAYETTE RIVER AB JUMBO CR NR MCCALL ID
USGS 13240000 · ID · live flow · gauge height · 40.3 mi
Reading the gauge…
SALMON RIVER AT WHITE BIRD ID
USGS 13317000 · ID · live flow · gauge height · water temperature · 50.1 mi
Reading the gauge…
SF SALMON RIVER NR KRASSEL RANGER STATION ID
USGS 13310700 · ID · live flow · gauge height · 52.1 mi
Reading the gauge…
CRANE CREEK AT MOUTH NR WEISER ID
USGS 13265500 · ID · live flow · gauge height · 55.8 mi
Reading the gauge…
WEISER RIVER NR WEISER ID
USGS 13266000 · ID · live flow · gauge height · 57.3 mi
Reading the gauge…
MINAM RIVER AT MINAM, OR
USGS 13331500 · OR · live flow · gauge height · water temperature · 58.4 mi
Reading the gauge…
SNAKE RIVER AT WEISER ID
USGS 13269000 · ID · live flow · gauge height · water temperature · 59.8 mi
Reading the gauge…

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.