Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 1807 12th St, Galena Park, Tx 77547

HCAD #0381190750009
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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
1807 12th St, Galena Park, Tx 77547
Building Size
972sqft
Total structure area from HCAD building records.
Elevation
24.9 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)
34.75 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
285.1 acres
96.7% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$34,139
Based on HCAD building value of $52,523.
Depth-Damage (Neighborhood)
$39,740
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
7.3th percentile
Property Pollution Ranking
Very High
Higher pollution than 93% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
16.35 millionlbs
Extremely High
2505.4x more than typical Houston property
≈ 817 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
3.31 millionlbs
Extremely High
687.2x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
13.03 millionlbs
Extremely High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
15
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)16,345,957 lbs3,313,744 lbs13,032,213 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)2,316,804 lbs263,673 lbs2,052,766 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 93% of Houston homes
Each bar's width represents the percentage of Houston homes in that pollution range. This property ranks in the 0-9th percentile (top 10% most polluted).
📋
Top chemicals released near this property (past 10 years):
Nitrate compounds (water dissociable; reportable only when in aqueous solution), Hydrogen cyanide, Ammonia, 1,3-Butadiene, n-Hexane
View the full list of 53 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(53 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs13,016,167 lbs13,016,167 lbs
2Hydrogen cyanide74-90-81,408,014 lbs0 lbs1,408,014 lbs
3Ammonia7664-41-7350,028 lbs8,000 lbs358,028 lbs
41,3-Butadiene106-99-0211,292 lbs0 lbs211,292 lbs
5n-Hexane110-54-3190,759 lbs9 lbs190,839 lbs
6Ethylene74-85-1182,047 lbs0 lbs182,047 lbs
7n-Butyl alcohol71-36-3137,606 lbs0 lbs137,606 lbs
8Xylene (mixed isomers)1330-20-7116,219 lbs18 lbs116,308 lbs
9Ozone10028-15-6115,228 lbs0 lbs115,228 lbs
10Toluene108-88-3115,029 lbs34 lbs115,150 lbs
11Cyclohexane110-82-794,930 lbs0 lbs94,930 lbs
12Benzene71-43-279,083 lbs19 lbs79,120 lbs
13Methanol67-56-165,857 lbs0 lbs65,857 lbs
14Propylene115-07-154,289 lbs0 lbs54,289 lbs
15Propionaldehyde123-38-631,241 lbs0 lbs31,241 lbs
16Butyraldehyde123-72-822,150 lbs0 lbs22,150 lbs
17Ethylbenzene100-41-421,744 lbs66 lbs21,847 lbs
18Hydrogen sulfide7783-06-417,681 lbs3,527 lbs21,208 lbs
191,2,4-Trimethylbenzene95-63-620,141 lbs0 lbs20,356 lbs
20Dicyclopentadiene77-73-614,013 lbs0 lbs14,013 lbs
21Isoprene78-79-513,272 lbs0 lbs13,272 lbs
22Carbon disulfide75-15-08,557 lbs0 lbs8,557 lbs
23Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-96,697 lbs0 lbs6,697 lbs
24Cyanide compoundsN1065,934 lbs45 lbs5,979 lbs
25Molybdenum trioxide1313-27-55,795 lbs0 lbs5,795 lbs
26Naphthalene91-20-34,563 lbs0 lbs4,568 lbs
27Manganese7439-96-54,228 lbs0 lbs4,228 lbs
28Isobutyraldehyde78-84-24,080 lbs0 lbs4,080 lbs
29Phenol108-95-21,635 lbs1,804 lbs3,439 lbs
30Zinc compoundsN982219 lbs1,181 lbs2,891 lbs
31Cumene98-82-82,425 lbs0 lbs2,430 lbs
32Styrene100-42-52,112 lbs0 lbs2,112 lbs
33Polycyclic aromatic compoundsN5901,656 lbs0 lbs1,656 lbs
34Carbonyl sulfide463-58-11,451 lbs0 lbs1,451 lbs
35Nickel compoundsN495654 lbs489 lbs1,143 lbs
36Phenanthrene85-01-8937 lbs0 lbs937 lbs
37Lead7439-92-1489 lbs127 lbs616 lbs
38Vanadium compoundsN77079 lbs509 lbs588 lbs
39Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-0461 lbs0 lbs461 lbs
40Cresol (mixed isomers)1319-77-3232 lbs0 lbs232 lbs
41Mercury compoundsN458197 lbs1 lbs199 lbs
42Nickel And Nickel CompoundsN49566 lbs123 lbs189 lbs
43Cobalt compoundsN096131 lbs24 lbs155 lbs
44Lead And Lead CompoundsN420142 lbs12 lbs154 lbs
45Mercury And Mercury CompoundsN458109 lbs0 lbs109 lbs
46Lead compoundsN42049 lbs57 lbs106 lbs
47Anthracene120-12-775 lbs0 lbs75 lbs
48Cobalt And Cobalt CompoundsN09642 lbs0 lbs42 lbs
49Antimony compoundsN01038 lbs0 lbs38 lbs
50Nickel7440-02-035 lbs0 lbs35 lbs
51Benzo[g,h,i]perylene191-24-213 lbs0 lbs13 lbs
52Mercury7439-97-612 lbs0 lbs12 lbs
53tert-Butyl alcohol75-65-07 lbs0 lbs7 lbs
📋
Top chemicals released near this property (2024 only):
Nitrate compounds (water dissociable; reportable only when in aqueous solution), Hydrogen cyanide, Ammonia, 1,3-Butadiene, Ozone
View the full list of 34 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(34 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs2,051,661 lbs2,051,661 lbs
2Hydrogen cyanide74-90-8103,731 lbs0 lbs103,731 lbs
3Ammonia7664-41-734,993 lbs1,027 lbs36,020 lbs
41,3-Butadiene106-99-033,109 lbs0 lbs33,109 lbs
5Ozone10028-15-625,701 lbs0 lbs25,701 lbs
6Ethylene74-85-115,086 lbs0 lbs15,086 lbs
7Toluene108-88-38,473 lbs12 lbs8,572 lbs
8Cyclohexane110-82-77,780 lbs0 lbs7,780 lbs
9Xylene (mixed isomers)1330-20-77,584 lbs8 lbs7,663 lbs
10n-Hexane110-54-37,042 lbs0 lbs7,113 lbs
11Benzene71-43-26,473 lbs6 lbs6,497 lbs
12Propylene115-07-13,612 lbs0 lbs3,612 lbs
13Isoprene78-79-52,371 lbs0 lbs2,371 lbs
14Molybdenum trioxide1313-27-51,804 lbs0 lbs1,804 lbs
151,2,4-Trimethylbenzene95-63-61,563 lbs0 lbs1,634 lbs
16Ethylbenzene100-41-41,537 lbs12 lbs1,586 lbs
17Carbonyl sulfide463-58-11,041 lbs0 lbs1,041 lbs
18Cumene98-82-8266 lbs0 lbs271 lbs
19Naphthalene91-20-3252 lbs0 lbs257 lbs
20Carbon disulfide75-15-0243 lbs0 lbs243 lbs
21Lead7439-92-1228 lbs1 lbs229 lbs
22Phenol108-95-2164 lbs0 lbs164 lbs
23Styrene100-42-5159 lbs0 lbs159 lbs
24Hydrogen sulfide7783-06-4123 lbs0 lbs123 lbs
25Lead And Lead CompoundsN42096 lbs7 lbs104 lbs
26Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-9101 lbs0 lbs101 lbs
27Zinc compoundsN98222 lbs32 lbs54 lbs
28Cobalt And Cobalt CompoundsN09642 lbs0 lbs42 lbs
29Phenanthrene85-01-836 lbs0 lbs36 lbs
30Mercury And Mercury CompoundsN45829 lbs0 lbs30 lbs
31Benzo[g,h,i]perylene191-24-28 lbs0 lbs8 lbs
32Polycyclic aromatic compoundsN5901 lbs0 lbs1 lbs
33Anthracene120-12-71 lbs0 lbs1 lbs
34Cresol (mixed isomers)1319-77-31 lbs0 lbs1 lbs
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