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Hydrograph River at a Glance Download
Lavaca River at Hallettsville Stage (ft)Flow (kcfs)Observed: 2.15 ft at 3:30PM May 19, 2022Observed: 2.16 ft at 3:45PM May 19, 2022Observed: 2.16 ft at 4:00PM May 19, 2022Observed: 2.16 ft at 4:15PM May 19, 2022Observed: 2.15 ft at 4:30PM May 19, 2022Observed: 2.16 ft at 4:45PM May 19, 2022Observed: 2.15 ft at 5:00PM May 19, 2022Observed: 2.16 ft at 5:15PM May 19, 2022Observed: 2.15 ft at 5:30PM May 19, 2022Observed: 2.15 ft at 5:45PM May 19, 2022Observed: 2.15 ft at 6:00PM May 19, 2022Observed: 2.15 ft at 6:15PM May 19, 2022Observed: 2.15 ft at 6:30PM May 19, 2022Observed: 2.15 ft at 6:45PM May 19, 2022Observed: 2.16 ft at 7:00PM May 19, 2022Observed: 2.14 ft at 7:15PM May 19, 2022Observed: 2.15 ft at 7:30PM May 19, 2022Observed: 2.16 ft at 7:45PM May 19, 2022Observed: 2.15 ft at 8:00PM May 19, 2022Observed: 2.15 ft at 8:15PM May 19, 2022Observed: 2.15 ft at 8:30PM May 19, 2022Observed: 2.16 ft at 8:45PM May 19, 2022Observed: 2.15 ft at 9:00PM May 19, 2022Observed: 2.16 ft at 9:15PM May 19, 2022Observed: 2.16 ft at 9:30PM May 19, 2022Observed: 2.15 ft at 9:45PM May 19, 2022Observed: 2.15 ft at 10:00PM May 19, 2022Observed: 2.15 ft at 10:15PM May 19, 2022Observed: 2.15 ft at 10:30PM May 19, 2022Observed: 2.15 ft at 10:45PM May 19, 2022Observed: 2.14 ft at 11:00PM May 19, 2022Observed: 2.14 ft at 11:15PM May 19, 2022Observed: 2.14 ft at 11:30PM May 19, 2022Observed: 2.15 ft at 11:45PM May 19, 2022Observed: 2.15 ft at 12:00AM May 20, 2022Observed: 2.16 ft at 12:15AM May 20, 2022Observed: 2.15 ft at 12:30AM May 20, 2022Observed: 2.16 ft at 12:45AM May 20, 2022Observed: 2.15 ft at 1:00AM May 20, 2022Observed: 2.15 ft at 1:15AM May 20, 2022Observed: 2.15 ft at 1:30AM May 20, 2022Observed: 2.14 ft at 1:45AM May 20, 2022Observed: 2.15 ft at 2:00AM May 20, 2022Observed: 2.16 ft at 2:15AM May 20, 2022Observed: 2.15 ft at 2:30AM May 20, 2022Observed: 2.16 ft at 2:45AM May 20, 2022Observed: 2.16 ft at 3:00AM May 20, 2022Observed: 2.16 ft at 3:15AM May 20, 2022Observed: 2.15 ft at 3:30AM May 20, 2022Observed: 2.16 ft at 3:45AM May 20, 2022Observed: 2.16 ft at 4:00AM May 20, 2022Observed: 2.16 ft at 4:15AM May 20, 2022Observed: 2.16 ft at 4:30AM May 20, 2022Observed: 2.17 ft at 4:45AM May 20, 2022Observed: 2.16 ft at 5:00AM May 20, 2022Observed: 2.16 ft at 5:15AM May 20, 2022Observed: 2.16 ft at 5:30AM May 20, 2022Observed: 2.18 ft at 5:45AM May 20, 2022Observed: 2.18 ft at 6:00AM May 20, 2022Observed: 2.18 ft at 6:15AM May 20, 2022Observed: 2.18 ft at 6:30AM May 20, 2022Observed: 2.18 ft at 6:45AM May 20, 2022Observed: 2.18 ft at 7:00AM May 20, 2022Observed: 2.17 ft at 7:15AM May 20, 2022Observed: 2.18 ft at 7:30AM May 20, 2022Observed: 2.17 ft at 7:45AM May 20, 2022Observed: 2.18 ft at 8:00AM May 20, 2022Observed: 2.18 ft at 8:15AM May 20, 2022Observed: 2.18 ft at 8:30AM May 20, 2022Observed: 2.18 ft at 8:45AM May 20, 2022Observed: 2.18 ft at 9:00AM May 20, 2022Observed: 2.18 ft at 9:15AM May 20, 2022Observed: 2.18 ft at 9:30AM May 20, 2022Observed: 2.18 ft at 9:45AM May 20, 2022Observed: 2.18 ft at 10:00AM May 20, 2022Observed: 2.19 ft at 10:15AM May 20, 2022Observed: 2.19 ft at 10:30AM May 20, 2022Observed: 2.19 ft at 10:45AM May 20, 2022Observed: 2.18 ft at 11:00AM May 20, 2022Observed: 2.17 ft at 11:15AM May 20, 2022Observed: 2.18 ft at 11:30AM May 20, 2022Observed: 2.18 ft at 11:45AM May 20, 2022Observed: 2.17 ft at 12:00PM May 20, 2022Observed: 2.18 ft at 12:15PM May 20, 2022Observed: 2.18 ft at 12:30PM May 20, 2022Observed: 2.18 ft at 12:31PM May 20, 2022Observed: 2.17 ft at 12:45PM May 20, 2022Observed: 2.17 ft at 12:46PM May 20, 2022Observed: 2.17 ft at 1:00PM May 20, 2022Observed: 2.19 ft at 1:15PM May 20, 2022Observed: 2.18 ft at 1:30PM May 20, 2022Observed: 2.18 ft at 1:45PM May 20, 2022Observed: 2.17 ft at 2:00PM May 20, 2022Observed: 2.16 ft at 2:15PM May 20, 2022Observed: 2.18 ft at 2:30PM May 20, 2022Observed: 2.18 ft at 2:45PM May 20, 2022Observed: 2.17 ft at 3:00PM May 20, 2022Observed: 2.17 ft at 3:15PM May 20, 2022Observed: 2.17 ft at 3:30PM May 20, 2022Observed: 2.17 ft at 3:45PM May 20, 2022Observed: 2.16 ft at 4:00PM May 20, 2022Observed: 2.17 ft at 4:15PM May 20, 2022Observed: 2.17 ft at 4:30PM May 20, 2022Observed: 2.18 ft at 4:45PM May 20, 2022Observed: 2.18 ft at 5:00PM May 20, 2022Observed: 2.17 ft at 5:15PM May 20, 2022Observed: 2.15 ft at 5:30PM May 20, 2022Observed: 2.17 ft at 5:45PM May 20, 2022Observed: 2.16 ft at 6:00PM May 20, 2022Observed: 2.16 ft at 6:15PM May 20, 2022Observed: 2.17 ft at 6:30PM May 20, 2022Observed: 2.16 ft at 6:45PM May 20, 2022Observed: 2.17 ft at 7:00PM May 20, 2022Observed: 2.17 ft at 7:15PM May 20, 2022Observed: 2.17 ft at 7:30PM May 20, 2022Observed: 2.17 ft at 7:45PM May 20, 2022Observed: 2.18 ft at 8:00PM May 20, 2022Observed: 2.16 ft at 8:15PM May 20, 2022Observed: 2.18 ft at 8:30PM May 20, 2022Observed: 2.17 ft at 8:45PM May 20, 2022Observed: 2.18 ft at 9:00PM May 20, 2022Observed: 2.17 ft at 9:15PM May 20, 2022Observed: 2.18 ft at 11:30PM May 20, 2022Observed: 2.17 ft at 11:45PM May 20, 2022Observed: 2.18 ft at 12:00AM May 21, 2022Observed: 2.19 ft at 12:15AM May 21, 2022Observed: 2.18 ft at 12:30AM May 21, 2022Observed: 2.18 ft at 12:45AM May 21, 2022Observed: 2.19 ft at 1:00AM May 21, 2022Observed: 2.17 ft at 1:15AM May 21, 2022Observed: 2.18 ft at 1:30AM May 21, 2022Observed: 2.18 ft at 1:45AM May 21, 2022Observed: 2.18 ft at 2:00AM May 21, 2022Observed: 2.19 ft at 2:15AM May 21, 2022Observed: 2.19 ft at 2:30AM May 21, 2022Observed: 2.18 ft at 2:45AM May 21, 2022Observed: 2.17 ft at 3:00AM May 21, 2022Observed: 2.18 ft at 3:15AM May 21, 2022Observed: 2.19 ft at 3:30AM May 21, 2022Observed: 2.18 ft at 3:45AM May 21, 2022Observed: 2.19 ft at 4:00AM May 21, 2022Observed: 2.18 ft at 4:15AM May 21, 2022Observed: 2.18 ft at 4:30AM May 21, 2022Observed: 2.19 ft at 4:45AM May 21, 2022Observed: 2.19 ft at 5:00AM May 21, 2022Observed: 2.19 ft at 5:15AM May 21, 2022Observed: 2.18 ft at 5:30AM May 21, 2022Observed: 2.18 ft at 5:45AM May 21, 2022Observed: 2.17 ft at 6:00AM May 21, 2022Observed: 2.18 ft at 6:15AM May 21, 2022Observed: 2.2 ft at 6:30AM May 21, 2022Observed: 2.19 ft at 6:45AM May 21, 2022Observed: 2.19 ft at 7:00AM May 21, 2022Observed: 2.18 ft at 7:15AM May 21, 2022Observed: 2.19 ft at 7:30AM May 21, 2022Observed: 2.19 ft at 7:45AM May 21, 2022Observed: 2.19 ft at 8:00AM May 21, 2022Observed: 2.19 ft at 8:15AM May 21, 2022Observed: 2.2 ft at 8:30AM May 21, 2022Observed: 2.2 ft at 8:45AM May 21, 2022Observed: 2.19 ft at 9:00AM May 21, 2022Observed: 2.19 ft at 9:15AM May 21, 2022Observed: 2.19 ft at 9:30AM May 21, 2022Observed: 2.19 ft at 9:45AM May 21, 2022Observed: 2.19 ft at 10:00AM May 21, 2022Observed: 2.18 ft at 10:15AM May 21, 2022Observed: 2.19 ft at 10:30AM May 21, 2022Observed: 2.2 ft at 10:45AM May 21, 2022Observed: 2.19 ft at 11:00AM May 21, 2022Observed: 2.18 ft at 11:15AM May 21, 2022Observed: 2.18 ft at 11:30AM May 21, 2022Observed: 2.2 ft at 11:45AM May 21, 2022Observed: 2.19 ft at 12:00PM May 21, 2022Observed: 2.19 ft at 12:15PM May 21, 2022Observed: 2.19 ft at 12:30PM May 21, 2022Observed: 2.19 ft at 12:31PM May 21, 2022Observed: 2.18 ft at 12:45PM May 21, 2022Observed: 2.18 ft at 12:46PM May 21, 2022Observed: 2.19 ft at 1:00PM May 21, 2022Observed: 2.19 ft at 1:15PM May 21, 2022Observed: 2.19 ft at 1:30PM May 21, 2022Observed: 2.18 ft at 1:45PM May 21, 2022Observed: 2.18 ft at 2:00PM May 21, 2022Observed: 2.17 ft at 2:15PM May 21, 2022Observed: 2.18 ft at 2:30PM May 21, 2022Observed: 2.18 ft at 2:45PM May 21, 2022Observed: 2.17 ft at 3:00PM May 21, 2022Observed: 2.18 ft at 3:15PM May 21, 2022Observed: 2.17 ft at 3:30PM May 21, 2022Observed: 2.17 ft at 3:45PM May 21, 2022Observed: 2.18 ft at 4:00PM May 21, 2022Observed: 2.18 ft at 4:15PM May 21, 2022Observed: 2.16 ft at 4:30PM May 21, 2022Observed: 2.17 ft at 4:45PM May 21, 2022Observed: 2.17 ft at 5:00PM May 21, 2022Observed: 2.17 ft at 5:15PM May 21, 2022Observed: 2.18 ft at 5:30PM May 21, 2022Observed: 2.17 ft at 5:45PM May 21, 2022Observed: 2.18 ft at 6:00PM May 21, 2022Observed: 2.17 ft at 6:15PM May 21, 2022Observed: 2.17 ft at 6:30PM May 21, 2022Observed: 2.17 ft at 6:45PM May 21, 2022Observed: 2.18 ft at 7:00PM May 21, 2022Observed: 2.18 ft at 7:15PM May 21, 2022Observed: 2.18 ft at 7:30PM May 21, 2022Observed: 2.17 ft at 7:45PM May 21, 2022Observed: 2.17 ft at 8:00PM May 21, 2022Observed: 2.17 ft at 8:15PM May 21, 2022Observed: 2.17 ft at 8:30PM May 21, 2022Observed: 2.17 ft at 8:45PM May 21, 2022Observed: 2.17 ft at 9:00PM May 21, 2022Observed: 2.16 ft at 9:15PM May 21, 2022Observed: 2.18 ft at 9:30PM May 21, 2022Observed: 2.18 ft at 9:45PM May 21, 2022Observed: 2.18 ft at 10:00PM May 21, 2022Observed: 2.18 ft at 10:15PM May 21, 2022Observed: 2.18 ft at 10:30PM May 21, 2022Observed: 2.18 ft at 10:45PM May 21, 2022Observed: 2.17 ft at 11:00PM May 21, 2022Observed: 2.17 ft at 11:15PM May 21, 2022Observed: 2.17 ft at 11:30PM May 21, 2022Observed: 2.18 ft at 11:45PM May 21, 2022Observed: 2.17 ft at 12:00AM May 22, 2022Observed: 2.18 ft at 12:15AM May 22, 2022Observed: 2.19 ft at 12:30AM May 22, 2022Observed: 2.18 ft at 12:45AM May 22, 2022Observed: 2.17 ft at 1:00AM May 22, 2022Observed: 2.18 ft at 1:15AM May 22, 2022Observed: 2.18 ft at 1:30AM May 22, 2022Observed: 2.18 ft at 1:31AM May 22, 2022Observed: 2.47 ft at 1:45AM May 22, 2022Observed: 2.47 ft at 1:46AM May 22, 2022Highest Observation: 3.06 ft at 2:00AM May 22, 2022Observed: 2.95 ft at 2:15AM May 22, 2022Observed: 2.9 ft at 2:30AM May 22, 2022Observed: 2.81 ft at 2:45AM May 22, 2022Observed: 2.74 ft at 3:00AM May 22, 2022Observed: 2.64 ft at 3:15AM May 22, 2022Observed: 2.52 ft at 3:30AM May 22, 2022Observed: 2.48 ft at 3:45AM May 22, 2022Observed: 2.43 ft at 4:00AM May 22, 2022Observed: 2.41 ft at 4:15AM May 22, 2022Observed: 2.29 ft at 4:30AM May 22, 2022Observed: 2.29 ft at 4:45AM May 22, 2022Observed: 2.32 ft at 5:00AM May 22, 2022Observed: 2.3 ft at 5:15AM May 22, 2022Observed: 2.27 ft at 5:30AM May 22, 2022Observed: 2.21 ft at 5:45AM May 22, 2022Observed: 2.28 ft at 6:00AM May 22, 2022Observed: 2.26 ft at 6:15AM May 22, 2022Observed: 2.23 ft at 6:30AM May 22, 2022Observed: 2.2 ft at 6:45AM May 22, 2022Observed: 2.22 ft at 7:00AM May 22, 2022Observed: 2.21 ft at 7:15AM May 22, 2022Observed: 2.21 ft at 7:30AM May 22, 2022Observed: 2.2 ft at 7:45AM May 22, 2022Observed: 2.2 ft at 8:00AM May 22, 2022Observed: 2.2 ft at 8:15AM May 22, 2022Observed: 2.2 ft at 8:30AM May 22, 2022Observed: 2.2 ft at 8:45AM May 22, 2022Observed: 2.19 ft at 9:00AM May 22, 2022Observed: 2.19 ft at 9:15AM May 22, 2022Observed: 2.19 ft at 9:30AM May 22, 2022Observed: 2.2 ft at 9:45AM May 22, 2022Observed: 2.13 ft at 10:00AM May 22, 2022Observed: 2.18 ft at 10:15AM May 22, 2022Observed: 2.2 ft at 10:30AM May 22, 2022Observed: 2.18 ft at 10:45AM May 22, 2022Observed: 2.16 ft at 11:00AM May 22, 2022Observed: 2.25 ft at 11:15AM May 22, 2022Observed: 2.17 ft at 11:30AM May 22, 2022Observed: 2.16 ft at 11:45AM May 22, 2022Observed: 2.15 ft at 12:00PM May 22, 2022Observed: 2.15 ft at 12:15PM May 22, 2022Observed: 2.16 ft at 12:30PM May 22, 2022Observed: 2.16 ft at 12:45PM May 22, 2022Observed: 2.14 ft at 1:00PM May 22, 2022Observed: 2.14 ft at 1:15PM May 22, 2022Observed: 2.14 ft at 1:30PM May 22, 2022Observed: 2.14 ft at 1:45PM May 22, 2022Observed: 2.14 ft at 2:00PM May 22, 2022Observed: 2.15 ft at 2:15PM May 22, 2022LNRA Manage Conserve ProtectHTST2(plotting HGIRG) Graph Created (3:22PM May 22, 2022)ObservedLatest observed value: 2.15 ft at 2:15 PM CDT 22-May-2022. Flood Stage is 27 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Lavaca River at Hallettsville are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Breslau Upstream Gauge Downstream Gauge Downstream Gauge - near Edna
Flood Categories (in feet)
Major Flood Stage: 29
Moderate Flood Stage: 28
Flood Stage: 27
Action Stage: 20
Low Stage (in feet): -9999

Historic Crests
(1) 41.10 ft on 08/31/1981
(2) 40.60 ft on 06/30/1940
(3) 32.16 ft on 05/13/1982
(4) 30.55 ft on 10/15/1957
(5) 30.52 ft on 06/13/1973
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 25.30 ft on 08/28/2017
(2) 20.66 ft on 06/10/2004
(3) 20.83 ft on 11/05/2002
(4) 28.53 ft on 10/18/1998
(5) 28.25 ft on 04/11/1997
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
41 Major lowland flooding continues with water up to 6 feet deep in the Hallettsville Town Square flooding hundreds of homes and businesses. Water is several feet deep in the county jail. Massive losses will occur if livestock are not removed from the floodplain.
38 Major lowland flooding continues as several feet of water covers the Hallettsville Town Square with up to 9 feet of water in the lowest homes along the Lavaca River. Numerous roads and highways are flooded and impassable with over two feet of water flowing over them. Livestock should be removed from the floodplain.
35 Major lowland flooding continues as disasterous flooding rises to the town square of Hallettesville. Hundreds of residences and businesses in western Hallettsville are inundated with up to 6 feet of water in the lowest structures. Roads and bridges near the river are severely flooded and very dangerous. Hundreds of head of livestock are cut off and potentialy drowned if not removed from the floodplain.
33 Major lowland flooding continues as disasterous flooding inundates homes and businesses in the Lavaca River floodplain west of downtown Hallettsville. The downtown square in threatened and flooding is life threatening in some areas. Many primary and secondary roads and bridges are inundated and impassable. Livestock should be removed from the floodplain.
30 Major lowland flooding continues as the two lowest commercial buildings and several residences in Hallettsville flood. Secondary roads and low bridges are flooded and dangerous. Livestock should be removed from flood prone areas.
29 Major lowland flooding begins in the vicinity of the gauge as flooding inundated then lowest residents in Hallettsville. Numerous roads and low bridges near the river are inundated and impassable.
28 Moderate lowland flooding begins in the vicinity of the gauge as flooding extends well into the floodplain threatening the lowest homes in Hallettsville. Secondary roads and low bridges are flooded and dangerous to motorists.
27 Minor lowland flooding begins in the vicinity of the gauge as water escapes the main channel and inundates the floodplain.
About This Location Collapse

Latitude: 29.443100° N, Longitude: 96.944700° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 27 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other NULL NULL  

Current/Historical Observations:
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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Houston/Galveston Weather Forecast Office
1353 FM 646, Suite 202
Dickinson, TX 77539
(281) 337-5074
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