Medina River at La Coste water level

Name: Medina River at La Coste water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Medina River, Texas, United States

Directions

Below flood stage

Water level

9.05ft Steady over the last 24 hours

Measured Oct 18, 2026, 02:45 PM CDT (1 hour ago)

Flow: 1.0 cfs

History

7 days

Water level Minor flood stage

What this means

The gauge at Medina River at La Coste reads 9.05 ft, a normal level.

It is 5.95 ft below the flood stage of 15.00 ft.

It has barely moved over the past 24 hours. Over the past 30 days it has moved between 6.08 ft and 9.05 ft.

Fall is often low-water season on rivers, until steadier rain returns.

Judged against the official flood stage for this gauge. How to read levels

Key numbers

Highest on record: 32.00 ftJuly 6, 2002

What the stage means on the water

A normal level is usually prime time for floating and wade fishing, as long as the weather holds upstream.

The National Weather Service puts flood stage for this gauge at 15.00 ft, still 5.95 ft away.

What happens at each level

32.00 ft: The Farm to Market 471 bridge bottom floods. Many homes near Von Ormy, LaCoste and Somerset flood, some with water to the roof. Livestock in the flood plain are cut off and potentially drowned below Medina Lake to the San Antonio River confluence. Roads and low bridges are flooded and very dangerous to motorists.
28.00 ft: Disastrous flooding puts several feet of flow in homes and businesses near LaCoste to below Highway 281. Secondary and primary roads are severely flooded and dangerous to motorists.
24.00 ft: Disastrous flooding reaches many homes near Von Ormy and LaCoste putting several feet of water in them. Roads and bridges near the river are flooded and dangerous.
22.00 ft: Major flooding is taking place in the Medina River RV park oh CR 4713. Major flooding reaches lowest homes near Von Ormy. Residents should prepare to evacuate as emergency officials assess the threat. Livestock should be removed from flood prone areas. Roads, streets and low bridges are very dangerous to motorists.
19.00 ft: Moderate lowland flooding has isolated Medina River RV Park on CR 4713. Lowland flooding threatens homes and businesses near Von Ormy. Many secondary and primary roads and low bridges in the flood plain are flooded and very dangerous.
17.00 ft: The Medina River RV park on CR 4713 will experience widespread flooding and all campers should have been evacuated or moved to higher ground. swift moving water will make rescues dangerous.
15.00 ft: Minor lowland flooding begins to impact the Medina River RV park anlong CR 4713. Minor lowland flooding reaches the slab elevation of the Knights of Columbus building just below the bridge over Pearsall Road (Farm to Market 2536). County roads, low bridges and crossings near or over the Medina River are flooded and dangerous.
12.00 ft: Low water crossings and bridges are flooded and dangerous.
9.05 ft: Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

Chance of at least minor flooding in October to December: < 5 %.

Rank	Level	Date
1	32.00 ft	July 6, 2002
2	24.05 ft	May 30, 1987
3	23.97 ft	June 22, 1997
4	21.30 ft	October 18, 1998
5	19.13 ft	March 4, 1992

Weather at the gauge

The forecast is not available right now.

Sunrise 07:39 AM Sunset 07:03 PM Daylight 11 hr, 24 min First quarter 52%

Map

Other gauges on the Medina River

Gauge	Level	Compared with normal	24 hours	Distance
Medina River at Patterson Rd at MedinaRiver gauge, Medina River	4.21 ft	Normal	±0	42 mi
Medina River at BanderaRiver gauge, Medina River	3.58 ft	Normal	+0.01 ft	32 mi
Medina River above English Crsg near Pipe CreekRiver gauge, Medina River	20.1 cfs	Normal	−0.8 cfs	27 mi
Medina River near MacdonaRiver gauge, Medina River	−0.08 ft	Low	+0.03 ft	7 mi
Medina River near SomersetRiver gauge, Medina River	4.03 ft	Low	±0	15 mi
Medina River at San AntonioRiver gauge, Medina River	3.01 ft	Very low	+0.08 ft	20 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Leon Creek at Lp 410 at San AntonioRiver gauge, Leon Creek	4.02 ft	Low	−0.07 ft	14 mi
Leon Creek at IH 35, San AntonioRiver gauge, Leon Creek	2.21 ft	Normal	+0.04 ft	14 mi
Medina Lake near San AntonioLake, Medina Lake	1,020.29 ft	High	−0.03 ft	17 mi
Hondo Creek at SH 173 near HondoRiver gauge, Hondo Creek	0.69 ft	Normal	±0	19 mi
Helotes Creek at HelotesRiver gauge, Helotes Creek	0.89 ft	Normal	±0	19 mi
San Pedro Creek at Furnish St, San AntonioRiver gauge, San Pedro Creek	0.0 cfs	Very low	−0.4 cfs	19 mi
San Antonio River at Mitchell St, San AntonioRiver gauge, San Antonio River	4.22 ft	Normal	−0.10 ft	20 mi

Questions and answers

What is flood stage for the Medina River at La Coste?

The official flood stage is 15.00 ft. The level is currently 5.95 ft below it.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Medina River at La Coste today?

On Oct 18, 2026, 02:45 PM CDT, the water level was 9.05 ft. Steady over the last 24 hours.

Is Medina River at La Coste rising or falling?

Steady over the last 24 hours.

Is the level of Medina River at La Coste normal?

Below flood stage. Judged against the official flood stage for this gauge.

What is the highest water level ever recorded at Medina River at La Coste?

The highest level on record is 32.00 ft on July 6, 2002.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:08180640 (Agency page)
Coordinates: 29.32412, -98.81308 (WGS84)
Vertical datum: NAVD88
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	9.05 ft	2026-10-18 19:45	Provisional
Flow	1.0 cfs	2026-10-18 19:45	Provisional

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How to cite

U.S. Geological Survey: Medina River at La Coste (usgs:08180640). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/texas/medina-river-at-la-coste

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer