Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 1315 18th St, Galena Park, Tx 77547

HCAD #0701080390004
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🌍Environmental Assessment

This comprehensive report analyzes both flood risk and industrial pollution exposure for this property. The assessment combines multiple data sources including USGS elevation, FEMA flood zones, historical storm modeling, and EPA Toxic Release Inventory records.

🌊Flood Risk Analysis
FEMA Zone X
Property Overview

This section shows the fundamental characteristics of the property, including its elevation above sea level, FEMA flood zone designation, and our calculated overall flood risk rating based on historical data and topographic analysis.

Address
1315 18th St, Galena Park, Tx 77547
Building Size
1,127sqft
Total structure area from HCAD building records.
Elevation
26.69 ft
Height above sea level from USGS data.
FEMA Flood Zone
X
Moderate to Low Risk - Outside 500-year floodplain
Overall Risk
Very High
Property flooded at 9.84ft depth.
Risk Assessment Outputs

These detailed metrics show the technical outputs from our flood risk model. They include predicted water depths at the property during a 5000-year flood event and estimated flood damage based on USACE methodology.

Risk Rating
Very High
Flood Depth
9.84 ft±0.5 ft
Depth of water above ground level.
Water Surface Elevation (WSE)
36.53 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
208.4 acres
70.7% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$41,822
Based on HCAD building value of $64,342.
Depth-Damage (Neighborhood)
$43,330
Based on neighborhood replacement cost.
Analysis Method
COG Combined 5000 Model
Raster-based flood inundation query
Flood Simulation

This simulation shows whether the property would flood based on a 5000-year flood event with 3m (9.84ft) water level. Use the interactive tool to explore different scenarios.

Property Would Be Flooded
Flood Depth: 9.84 feet
Severity
Severe
Adjust Flood Simulation

The analysis above uses default settings (5000-year flood, 3m/9.84ft water level). To explore different flood scenarios with interactive maps, return to the main tool:

Open Interactive Analysis Tool
Flood Risk Recommendations

Based on the property's flood risk profile, here are specific action items to consider.

#1
Minimal flood hazard area - property outside mapped high-risk zones
#2
Flood insurance available at preferred rates - over 25% of claims occur in low-risk areas
#3
Review official FEMA Flood Insurance Rate Map (FIRM) for detailed flood zone boundaries
#4
Contact Harris County Flood Control District (HCFCD) for drainage projects and flood information
🏭Industrial Pollution Exposure
19.4th percentile
Property Pollution Ranking
High
Higher pollution than 81% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
957 thousandlbs
Extremely High
146.7x more than typical Houston property
≈ 48 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
956 thousandlbs
Extremely High
198.2x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
1 thousandlbs
Very High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
14
Industrial facilities within 2 miles
💡
Why It Matters: High chemical activity nearby can indicate industrial zones, truck traffic, or potential odor and noise issues. These factors may affect air quality, long-term property desirability, and neighborhood character. This data helps you understand the industrial footprint around your property.
Houston Metro Benchmarks

Comparison with typical Houston properties (based on 10,000 randomly sampled homes). All measurements are for chemicals released within a 2-mile radius.

PeriodTotalAirWater
Typical Houston Property (2014-2024)6,524 lbs4,822 lbs0 lbs
This Property (2014-2024)957,165 lbs955,855 lbs1,310 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)71,096 lbs70,666 lbs64 lbs
How This Property Compares to Houston Metro

Based on a random sample of 10,000 Houston properties, this chart shows the distribution of pollution levels across the metro area. The highlighted bar indicates where this property falls compared to other homes. Lower percentiles mean higher pollution exposure.

0-9thMost Polluted
9.9%
10-19th
10.1%
20-29th
9.9%
30-39th
10.1%
40-49th
9.7%
50-59th
10.2%
60-69th
6%
70-79th
5.8%
80-89th
4.3%
90-100thLowest Pollution
34.2%
Higher pollution than 81% of Houston homes
Each bar's width represents the percentage of Houston homes in that pollution range. This property ranks in the 20-29th percentile.
📋
Top chemicals released near this property (past 10 years):
1,3-Butadiene, Ethylene, n-Butyl alcohol, n-Hexane, Methanol
View the full list of 32 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(32 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
11,3-Butadiene106-99-0203,018 lbs0 lbs203,018 lbs
2Ethylene74-85-1165,454 lbs0 lbs165,454 lbs
3n-Butyl alcohol71-36-3137,606 lbs0 lbs137,606 lbs
4n-Hexane110-54-3114,506 lbs9 lbs114,586 lbs
5Methanol67-56-165,798 lbs0 lbs65,798 lbs
6Ammonia7664-41-764,815 lbs0 lbs64,815 lbs
7Xylene (mixed isomers)1330-20-752,161 lbs18 lbs52,250 lbs
8Propionaldehyde123-38-631,241 lbs0 lbs31,241 lbs
9Butyraldehyde123-72-822,150 lbs0 lbs22,150 lbs
10Toluene108-88-320,683 lbs17 lbs20,787 lbs
11Benzene71-43-218,905 lbs9 lbs18,932 lbs
12Cyclohexane110-82-714,660 lbs0 lbs14,660 lbs
13Dicyclopentadiene77-73-614,013 lbs0 lbs14,013 lbs
14Isoprene78-79-513,272 lbs0 lbs13,272 lbs
15Manganese7439-96-54,228 lbs0 lbs4,228 lbs
16Isobutyraldehyde78-84-24,080 lbs0 lbs4,080 lbs
17Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-03,066 lbs0 lbs3,066 lbs
181,2,4-Trimethylbenzene95-63-62,808 lbs0 lbs3,023 lbs
19Zinc compoundsN982219 lbs1,181 lbs2,891 lbs
20Ethylbenzene100-41-41,283 lbs16 lbs1,336 lbs
21Propylene115-07-1609 lbs0 lbs609 lbs
22Nickel7440-02-0411 lbs1 lbs411 lbs
23Lead7439-92-1229 lbs1 lbs230 lbs
24Cumene98-82-8169 lbs0 lbs174 lbs
25Mercury compoundsN458165 lbs1 lbs166 lbs
26Naphthalene91-20-3134 lbs0 lbs139 lbs
27Mercury And Mercury CompoundsN45897 lbs0 lbs97 lbs
28Lead compoundsN4207 lbs51 lbs58 lbs
29Anthracene120-12-731 lbs0 lbs31 lbs
30Polycyclic aromatic compoundsN59023 lbs0 lbs23 lbs
31Mercury7439-97-612 lbs0 lbs12 lbs
32Lead And Lead CompoundsN4202 lbs6 lbs8 lbs
📋
Top chemicals released near this property (2024 only):
1,3-Butadiene, Ethylene, Ammonia, n-Hexane, Xylene (mixed isomers)
View the full list of 19 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(19 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
11,3-Butadiene106-99-032,375 lbs0 lbs32,375 lbs
2Ethylene74-85-114,466 lbs0 lbs14,466 lbs
3Ammonia7664-41-76,881 lbs0 lbs6,881 lbs
4n-Hexane110-54-36,435 lbs0 lbs6,506 lbs
5Xylene (mixed isomers)1330-20-73,231 lbs8 lbs3,310 lbs
6Toluene108-88-32,355 lbs8 lbs2,450 lbs
7Isoprene78-79-52,371 lbs0 lbs2,371 lbs
8Benzene71-43-21,538 lbs2 lbs1,558 lbs
9Cyclohexane110-82-7294 lbs0 lbs294 lbs
10Lead7439-92-1228 lbs1 lbs229 lbs
111,2,4-Trimethylbenzene95-63-6114 lbs0 lbs185 lbs
12Ethylbenzene100-41-4125 lbs8 lbs170 lbs
13Nickel7440-02-090 lbs0 lbs90 lbs
14Propylene115-07-183 lbs0 lbs83 lbs
15Zinc compoundsN98222 lbs32 lbs54 lbs
16Cumene98-82-825 lbs0 lbs30 lbs
17Mercury And Mercury CompoundsN45821 lbs0 lbs21 lbs
18Naphthalene91-20-311 lbs0 lbs16 lbs
19Lead And Lead CompoundsN4200 lbs5 lbs6 lbs
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