Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 406 Mcconnico Dr, Galena Park, TX 77547

HCAD #0730530040008
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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
406 Mcconnico Dr, Galena Park, TX 77547
Building Size
2,500sqft
Total structure area from HCAD building records.
Elevation
29.38 ft
Height above sea level from USGS data.
FEMA Flood Zone
X
Moderate to Low Risk - Outside 500-year floodplain
Overall Risk
Very Low
Risk based on FEMA zone and simulation.
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 Low
Flood Depth
0 ft±0.5 ft
No flooding at current water level.
Water Surface Elevation (WSE)
N/A
Water surface elevation data not available.
Area Inundated
145.4 acres
49.3% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$0
Property not flooded. No damage to calculate.
Depth-Damage (Neighborhood)
$0
Property not flooded. No damage to calculate.
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 Safe
Safety Margin: 0 feet
Severity
Safe
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
6.4th percentile
Property Pollution Ranking
Very High
Higher pollution than 94% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
18.86 millionlbs
Extremely High
2890.1x more than typical Houston property
≈ 943 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
5.82 millionlbs
Extremely High
1207.1x 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
16
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)18,855,610 lbs5,821,240 lbs13,034,370 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)2,535,301 lbs482,523 lbs2,052,778 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 94% 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, n-Hexane, Ammonia, Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
View the full list of 72 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(72 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 cyanide74-90-82,226,566 lbs0 lbs2,226,566 lbs
3n-Hexane110-54-3501,481 lbs0 lbs501,488 lbs
4Ammonia7664-41-7422,363 lbs8,000 lbs430,363 lbs
5Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-9383,635 lbs0 lbs383,635 lbs
6Xylene (mixed isomers)1330-20-7333,819 lbs627 lbs334,476 lbs
7Toluene108-88-3268,510 lbs192 lbs268,726 lbs
8Benzene71-43-2261,454 lbs104 lbs261,569 lbs
9Propylene115-07-1248,362 lbs0 lbs248,362 lbs
10Hydrogen sulfide7783-06-4230,430 lbs3,527 lbs233,957 lbs
11Ethylene74-85-1144,210 lbs0 lbs144,210 lbs
12n-Butyl alcohol71-36-3137,606 lbs0 lbs137,606 lbs
13Cyclohexane110-82-7132,775 lbs0 lbs132,784 lbs
14Ozone10028-15-6115,228 lbs0 lbs115,228 lbs
15Diethanolamine111-42-2101,560 lbs0 lbs101,560 lbs
16Methanol67-56-163,406 lbs0 lbs63,406 lbs
17Ethylbenzene100-41-447,559 lbs54 lbs47,621 lbs
18Propionaldehyde123-38-631,241 lbs0 lbs31,241 lbs
191,3-Butadiene106-99-025,196 lbs0 lbs25,196 lbs
20Butyraldehyde123-72-822,150 lbs0 lbs22,150 lbs
211,2,4-Trimethylbenzene95-63-620,469 lbs0 lbs20,627 lbs
22Ethylene glycol107-21-114,690 lbs0 lbs14,699 lbs
23Dicyclopentadiene77-73-614,013 lbs0 lbs14,013 lbs
241,4-Dioxane123-91-110,779 lbs0 lbs10,779 lbs
25Naphthalene91-20-38,966 lbs3 lbs8,977 lbs
26Carbon disulfide75-15-08,908 lbs0 lbs8,908 lbs
27Cyanide compoundsN1065,934 lbs45 lbs5,979 lbs
28Molybdenum trioxide1313-27-55,795 lbs0 lbs5,795 lbs
29Polycyclic aromatic compoundsN5904,495 lbs115 lbs4,811 lbs
30Phenol108-95-21,635 lbs2,959 lbs4,594 lbs
31Manganese7439-96-54,228 lbs0 lbs4,228 lbs
32Isobutyraldehyde78-84-24,080 lbs0 lbs4,080 lbs
33Cumene98-82-83,828 lbs0 lbs3,830 lbs
34Styrene100-42-53,254 lbs0 lbs3,254 lbs
35Zinc compoundsN982219 lbs1,181 lbs2,891 lbs
36Phthalic anhydride85-44-92,000 lbs0 lbs2,000 lbs
37Vinyl acetate108-05-41,608 lbs0 lbs1,608 lbs
38Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-01,460 lbs0 lbs1,460 lbs
39Carbonyl sulfide463-58-11,451 lbs0 lbs1,451 lbs
40Nickel compoundsN495654 lbs489 lbs1,143 lbs
41Lead7439-92-1886 lbs171 lbs1,057 lbs
42Acetaldehyde75-07-01,011 lbs0 lbs1,011 lbs
43Phenanthrene85-01-8937 lbs0 lbs937 lbs
44Vanadium compoundsN770144 lbs509 lbs653 lbs
451,1,1,2-Tetrachloroethane630-20-6434 lbs0 lbs434 lbs
46Biphenyl92-52-4345 lbs0 lbs364 lbs
47Cresol (mixed isomers)1319-77-3232 lbs0 lbs232 lbs
48Lead And Lead CompoundsN420204 lbs17 lbs222 lbs
49Mercury compoundsN458200 lbs2 lbs203 lbs
50Nickel And Nickel CompoundsN49566 lbs123 lbs189 lbs
51Cobalt compoundsN096131 lbs24 lbs155 lbs
52Mercury And Mercury CompoundsN458109 lbs0 lbs109 lbs
53Lead compoundsN42047 lbs52 lbs99 lbs
54Dimethylamine124-40-390 lbs0 lbs90 lbs
55Mercury7439-97-689 lbs0 lbs89 lbs
56Anthracene120-12-744 lbs0 lbs44 lbs
57Cobalt And Cobalt CompoundsN09642 lbs0 lbs42 lbs
58Antimony compoundsN01038 lbs0 lbs38 lbs
59Nickel7440-02-035 lbs0 lbs35 lbs
60Allyl alcohol107-18-634 lbs0 lbs34 lbs
61tert-Butyl alcohol75-65-022 lbs0 lbs22 lbs
62Benzo[g,h,i]perylene191-24-213 lbs7 lbs20 lbs
63Methoxone sodium salt3653-48-320 lbs0 lbs20 lbs
64Triethylamine121-44-817 lbs0 lbs17 lbs
65Acrolein107-02-813 lbs0 lbs13 lbs
66Hydroquinone123-31-99 lbs0 lbs9 lbs
67Diaminotoluene (mixed isomers)25376-45-84 lbs0 lbs4 lbs
68Pyridine110-86-13 lbs0 lbs3 lbs
69Chloroethane75-00-32 lbs0 lbs2 lbs
70p-Cresol106-44-52 lbs0 lbs2 lbs
71Trichloroethylene79-01-61 lbs0 lbs1 lbs
722,4-Diaminotoluene95-80-71 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
Nitrate compounds (water dissociable; reportable only when in aqueous solution), Hydrogen cyanide, Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Ammonia, n-Hexane
View the full list of 44 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(44 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 cyanide74-90-8177,459 lbs0 lbs177,459 lbs
3Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-950,799 lbs0 lbs50,799 lbs
4Ammonia7664-41-736,883 lbs1,027 lbs37,910 lbs
5n-Hexane110-54-337,541 lbs0 lbs37,541 lbs
6Xylene (mixed isomers)1330-20-733,713 lbs10 lbs33,723 lbs
7Ozone10028-15-625,701 lbs0 lbs25,701 lbs
8Toluene108-88-323,293 lbs4 lbs23,297 lbs
9Benzene71-43-220,264 lbs4 lbs20,268 lbs
10Hydrogen sulfide7783-06-414,137 lbs0 lbs14,137 lbs
11Propylene115-07-112,954 lbs0 lbs12,954 lbs
12Cyclohexane110-82-711,534 lbs0 lbs11,534 lbs
13Diethanolamine111-42-210,082 lbs0 lbs10,082 lbs
14Ethylene74-85-19,495 lbs0 lbs9,495 lbs
15Ethylene glycol107-21-15,094 lbs0 lbs5,094 lbs
16Ethylbenzene100-41-44,064 lbs4 lbs4,068 lbs
17Molybdenum trioxide1313-27-51,804 lbs0 lbs1,804 lbs
181,2,4-Trimethylbenzene95-63-61,671 lbs0 lbs1,671 lbs
19Carbonyl sulfide463-58-11,041 lbs0 lbs1,041 lbs
20Naphthalene91-20-3993 lbs0 lbs993 lbs
211,3-Butadiene106-99-0734 lbs0 lbs734 lbs
22Cumene98-82-8525 lbs0 lbs525 lbs
23Carbon disulfide75-15-0484 lbs0 lbs484 lbs
24Polycyclic aromatic compoundsN590354 lbs15 lbs369 lbs
251,4-Dioxane123-91-1328 lbs0 lbs328 lbs
26Styrene100-42-5262 lbs0 lbs262 lbs
27Lead7439-92-1228 lbs1 lbs229 lbs
28Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-0221 lbs0 lbs221 lbs
291,1,1,2-Tetrachloroethane630-20-6212 lbs0 lbs212 lbs
30Phenol108-95-2164 lbs8 lbs172 lbs
31Methanol67-56-1152 lbs0 lbs152 lbs
32Lead And Lead CompoundsN420128 lbs7 lbs135 lbs
33Zinc compoundsN98222 lbs32 lbs54 lbs
34Cobalt And Cobalt CompoundsN09642 lbs0 lbs42 lbs
35Phenanthrene85-01-836 lbs0 lbs36 lbs
36Biphenyl92-52-433 lbs0 lbs33 lbs
37Mercury And Mercury CompoundsN45829 lbs0 lbs30 lbs
38Dimethylamine124-40-323 lbs0 lbs23 lbs
39Benzo[g,h,i]perylene191-24-28 lbs5 lbs13 lbs
40Mercury7439-97-67 lbs0 lbs7 lbs
41Vinyl acetate108-05-45 lbs0 lbs5 lbs
42Acetaldehyde75-07-01 lbs0 lbs1 lbs
43Anthracene120-12-71 lbs0 lbs1 lbs
44Cresol (mixed isomers)1319-77-31 lbs0 lbs1 lbs
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