San Isidro Detention Pond No 3 Dam dam
San Isidro Detention Pond No 3 Dam
San Isidro Detention Pond No 3 Dam, located in Webb County, Texas, is a crucial structure designed for flood risk reduction along the Las Manadas Creek. Owned by the local government and a private entity, the dam stands at a height of 18 feet and has a length of 250 feet, with a storage capacity of 150 acre-feet. The dam, primarily made of earth with a buttress core type, serves the purpose of mitigating flood risks and protecting the surrounding areas from potential inundation.
Managed and regulated by the Texas Commission on Environmental Quality (TCEQ), the dam underwent modifications in 2005 and has two uncontrolled outlet gates. Its spillway, with a width of 193 feet, can handle a maximum discharge of 3,184 cubic feet per second. Despite being rated as "Not Available" in terms of hazard potential and condition assessment, the dam poses a moderate risk level (3) according to risk assessment standards. Emergency action plans and risk management measures for the dam are yet to be fully detailed, emphasizing the need for ongoing monitoring and preparedness in case of potential emergencies.
With its strategic location and critical role in flood risk management, San Isidro Detention Pond No 3 Dam stands as a vital infrastructure ensuring the safety and protection of the surrounding community. As a part of the Galveston District, the dam's design and functionality contribute to the overall resilience of the region against potential water-related challenges, making it a significant asset for water resource and climate enthusiasts to study and appreciate.
Dam data reference
Condition Assessment
- Satisfactory
- No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
- Fair
- No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action.
- Poor
- A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency.
- Unsatisfactory
- A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
- Not Rated
- The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Hazard Potential Classification
- High
- Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
- Significant
- Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environmental damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
- Low
- Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
- Undetermined
- Dams for which a downstream hazard potential has not been designated or is not provided.
Plan around the weather
Same NOAA / yr.no feed Snoflo's iOS app uses. Watch the precipitation column on the meteogram -- rain on the basin upstream typically lifts inflow 24-72 hours later.
Next 5 days, hour by hour
Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.
5-day forecast table
Every 3 hours, broken out across temperature, snow, rain, humidity, and wind. Each cell is colour-coded relative to the column min/max.
| Time | Condition | Temp (°F) | Snow (in) | Rain (in) | Humidity (%) | Wind (mps) | Wind dir |
|---|---|---|---|---|---|---|---|
| Loading detailed forecast… | |||||||
15-day temperature & precipitation
Daily temperatures, snow, and rain projected over the next two weeks.
Nearby streamflow gauges
USGS streamgauges around San Isidro Detention Pond No 3 Dam -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Zacate Ck At Laredo | 39 cfs | → |
| Rio Grande At Laredo | 1,760 cfs | → |
| San Casimiro Ck Nr Freer | 312 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near San Isidro Detention Pond No 3 Dam.
Track San Isidro Detention Pond No 3 Dam in the Snoflo app
Save this dam as a favorite and get the local NOAA / yr.no forecast plus regional flow context wherever you are.
About San Isidro Detention Pond No 3 Dam
Where does the data for San Isidro Detention Pond No 3 Dam come from?
Structural and regulatory data come from the U.S. Army Corps of Engineers' National Inventory of Dams (NID). Weather forecast comes from NOAA / yr.no -- the same feed Snoflo's iOS app uses.
How often is the report updated?
NID structural data refreshes annually as the Corps publishes updated assessments. The weather forecast refreshes throughout the day.
What does the Not Available hazard rating mean?
The Corps of Engineers' hazard potential classification grades probable consequences if the dam fails: High = probable loss of human life; Significant = no probable loss of human life but possible economic loss / environmental damage; Low = no probable loss of human life, only minor economic / environmental losses. See the Dam Data Reference card above for the full definitions.
What's "% of normal"?
The current storage value compared to the historical average storage on this calendar day. 100% = right on average; values above 100% mean above-normal storage (wet year); values below mean below-normal (dry year or drought).
Can I get alerts when storage crosses a threshold?
Yes -- alerts are managed in the Snoflo iOS app. Favorite this dam, set a threshold, and you'll get a push the moment conditions cross.
Other water bodies near here
Snoflo-tracked reservoirs and dams within driving distance of San Isidro Detention Pond No 3 Dam.