Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 1108 Ellen Dr, Deer Park, TX 77536

HCAD #0961890000014
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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
1108 Ellen Dr, Deer Park, TX 77536
Building Size
1,440sqft
Total structure area from HCAD building records.
Elevation
29.33 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
63.4 acres
21.5% 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
7.0th 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)
16.97 millionlbs
Extremely High
2601.7x more than typical Houston property
≈ 849 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
10.13 millionlbs
Extremely High
2100.5x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
6.85 millionlbs
Extremely 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)16,974,466 lbs10,129,365 lbs6,845,101 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)1,882,855 lbs1,237,439 lbs258,289 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), Ethylene, Ammonia, 1,3-Butadiene, Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
View the full list of 81 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(81 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs6,472,333 lbs6,472,333 lbs
2Ethylene74-85-11,650,584 lbs0 lbs1,650,584 lbs
3Ammonia7664-41-7765,194 lbs12,603 lbs1,199,277 lbs
41,3-Butadiene106-99-01,021,400 lbs45 lbs1,021,445 lbs
5Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-91,016,215 lbs0 lbs1,016,215 lbs
6Propylene115-07-1987,510 lbs0 lbs987,510 lbs
7Cumene98-82-8851,544 lbs882 lbs852,426 lbs
8Phenol108-95-2634,156 lbs1,108 lbs635,264 lbs
9Toluene108-88-3510,897 lbs199 lbs511,096 lbs
10Methanol67-56-1309,738 lbs133,638 lbs443,376 lbs
11Benzene71-43-2434,310 lbs242 lbs434,552 lbs
12n-Hexane110-54-3274,147 lbs10 lbs274,157 lbs
13Xylene (mixed isomers)1330-20-7255,366 lbs179 lbs255,545 lbs
14Hydrogen sulfide7783-06-4211,383 lbs2,545 lbs213,928 lbs
15Hydrogen cyanide74-90-8127,097 lbs2,741 lbs129,838 lbs
164,4'-Isopropylidenediphenol80-05-7125,700 lbs0 lbs125,700 lbs
17Epichlorohydrin106-89-8121,011 lbs3,811 lbs124,822 lbs
18Vinyl chloride75-01-4122,061 lbs46 lbs122,106 lbs
19Sodium nitrite7632-00-00 lbs102,300 lbs102,300 lbs
20Acetonitrile75-05-883,752 lbs12,219 lbs95,971 lbs
21Ethylbenzene100-41-473,430 lbs222 lbs73,652 lbs
22Acetaldehyde75-07-070,863 lbs1,398 lbs72,261 lbs
23Isoprene78-79-570,540 lbs137 lbs70,677 lbs
24Zinc compoundsN9827,165 lbs62,465 lbs69,631 lbs
25Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-067,065 lbs0 lbs67,065 lbs
26Propylene oxide75-56-953,747 lbs0 lbs53,747 lbs
27Ethylene glycol107-21-131,251 lbs9,387 lbs40,638 lbs
28Diethanolamine111-42-235,781 lbs0 lbs35,781 lbs
29Cyclohexane110-82-726,201 lbs284 lbs26,485 lbs
30Naphthalene91-20-321,426 lbs206 lbs21,632 lbs
31Dichloromethane75-09-219,581 lbs39 lbs19,620 lbs
32Butyl acrylate141-32-218,363 lbs0 lbs18,363 lbs
33Formaldehyde50-00-016,402 lbs0 lbs16,402 lbs
34Chloroethane75-00-313,375 lbs0 lbs13,375 lbs
35Maleic anhydride108-31-612,243 lbs0 lbs12,243 lbs
36Cumene hydroperoxide80-15-911,006 lbs0 lbs11,006 lbs
37Trade SecretTRD SECRT9,705 lbs0 lbs9,705 lbs
381,2,4-Trimethylbenzene95-63-68,919 lbs0 lbs8,919 lbs
39Dicyclopentadiene77-73-68,670 lbs0 lbs8,670 lbs
40Acetophenone98-86-26,714 lbs1,462 lbs8,176 lbs
41Allyl alcohol107-18-67,427 lbs626 lbs8,053 lbs
42sec-Butyl alcohol78-92-21,946 lbs5,600 lbs7,546 lbs
43Chlorine7782-50-57,352 lbs0 lbs7,352 lbs
44Glycidol556-52-52,841 lbs4,410 lbs7,251 lbs
45Manganese compoundsN450137 lbs5,037 lbs5,174 lbs
46Methyl isobutyl ketone108-10-14,714 lbs2 lbs4,716 lbs
47Tetrachloroethylene127-18-44,088 lbs176 lbs4,264 lbs
48DiisocyanatesN1204,007 lbs0 lbs4,007 lbs
49Nickel compoundsN49580 lbs3,764 lbs3,844 lbs
50Styrene100-42-53,800 lbs16 lbs3,816 lbs
51Barium compounds (except for barium sulfate (CAS No. 7727-43-7))N0400 lbs1,936 lbs1,936 lbs
52Lead compoundsN420509 lbs1,376 lbs1,886 lbs
53Phenanthrene85-01-81,547 lbs159 lbs1,706 lbs
54Certain glycol ethersN2301,422 lbs0 lbs1,422 lbs
55Nonylphenol EthoxylatesN5351,381 lbs0 lbs1,381 lbs
56Polycyclic aromatic compoundsN590576 lbs130 lbs782 lbs
57Lead And Lead CompoundsN420267 lbs421 lbs689 lbs
58Anthracene120-12-7534 lbs70 lbs604 lbs
59Cresol (mixed isomers)1319-77-3430 lbs146 lbs576 lbs
60Aluminum (fume or dust)7429-90-5462 lbs0 lbs462 lbs
61Acrylic acid79-10-7348 lbs0 lbs348 lbs
62Chloromethane74-87-3326 lbs0 lbs326 lbs
63Mercury compoundsN458105 lbs212 lbs317 lbs
64Mercury And Mercury CompoundsN45836 lbs195 lbs230 lbs
65Benzo[g,h,i]perylene191-24-296 lbs74 lbs170 lbs
66Cobalt compoundsN09633 lbs89 lbs122 lbs
67Barium And Barium CompoundsN0400 lbs99 lbs99 lbs
68Carbon disulfide75-15-084 lbs0 lbs84 lbs
69NonylphenolN53061 lbs0 lbs61 lbs
70Nitric acid7697-37-249 lbs0 lbs49 lbs
71Methyl acrylate96-33-347 lbs0 lbs47 lbs
72Cobalt And Cobalt CompoundsN09612 lbs24 lbs36 lbs
73Ethyl acrylate140-88-535 lbs0 lbs35 lbs
74Triethylamine121-44-834 lbs0 lbs34 lbs
75Dioxin and dioxin-like compoundsN1507 lbs23 lbs31 lbs
76Methyl methacrylate80-62-625 lbs0 lbs25 lbs
77Diphenylamine122-39-410 lbs14 lbs24 lbs
78Boron trifluoride7637-07-211 lbs0 lbs11 lbs
79Propionaldehyde123-38-68 lbs0 lbs8 lbs
80N-Methyl-2-pyrrolidone872-50-43 lbs0 lbs3 lbs
81Acetamide60-35-52 lbs0 lbs2 lbs
📋
Top chemicals released near this property (2024 only):
Ammonia, Ethylene, Nitrate compounds (water dissociable; reportable only when in aqueous solution), Propylene, 1,3-Butadiene
View the full list of 63 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(63 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Ammonia7664-41-765,506 lbs1,830 lbs454,458 lbs
2Ethylene74-85-1441,555 lbs0 lbs441,555 lbs
3Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs204,942 lbs204,942 lbs
4Propylene115-07-1142,970 lbs0 lbs142,970 lbs
51,3-Butadiene106-99-0108,643 lbs9 lbs108,652 lbs
6Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-997,000 lbs0 lbs97,000 lbs
7Cumene98-82-852,712 lbs31 lbs52,743 lbs
8Toluene108-88-351,687 lbs10 lbs51,697 lbs
9Methanol67-56-114,597 lbs27,174 lbs41,771 lbs
10Phenol108-95-240,343 lbs254 lbs40,597 lbs
11Benzene71-43-239,600 lbs7 lbs39,607 lbs
12Hydrogen sulfide7783-06-438,758 lbs289 lbs39,047 lbs
13n-Hexane110-54-323,488 lbs10 lbs23,498 lbs
14Xylene (mixed isomers)1330-20-718,400 lbs10 lbs18,410 lbs
15Hydrogen cyanide74-90-813,000 lbs70 lbs13,070 lbs
16Epichlorohydrin106-89-812,291 lbs331 lbs12,622 lbs
174,4'-Isopropylidenediphenol80-05-710,300 lbs0 lbs10,300 lbs
18Zinc compoundsN982443 lbs9,562 lbs10,005 lbs
19Dichloromethane75-09-29,911 lbs10 lbs9,921 lbs
20Acetonitrile75-05-84,900 lbs3,100 lbs8,000 lbs
21Vinyl chloride75-01-47,883 lbs3 lbs7,886 lbs
22Trade SecretTRD SECRT5,677 lbs0 lbs5,677 lbs
23Ethylbenzene100-41-44,620 lbs7 lbs4,627 lbs
24Sodium nitrite7632-00-00 lbs4,600 lbs4,600 lbs
25Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-04,340 lbs0 lbs4,340 lbs
26Acetaldehyde75-07-03,861 lbs161 lbs4,022 lbs
27Glycidol556-52-51,002 lbs2,400 lbs3,402 lbs
28Formaldehyde50-00-03,363 lbs0 lbs3,363 lbs
29Diethanolamine111-42-23,059 lbs0 lbs3,059 lbs
30sec-Butyl alcohol78-92-2540 lbs2,100 lbs2,640 lbs
31Cyclohexane110-82-72,424 lbs17 lbs2,441 lbs
32Isoprene78-79-52,360 lbs16 lbs2,376 lbs
33Naphthalene91-20-32,290 lbs22 lbs2,312 lbs
34DiisocyanatesN1201,843 lbs0 lbs1,843 lbs
35Ethylene glycol107-21-11,527 lbs0 lbs1,527 lbs
36Chloroethane75-00-31,429 lbs0 lbs1,429 lbs
37Styrene100-42-51,160 lbs2 lbs1,162 lbs
38Maleic anhydride108-31-6701 lbs0 lbs701 lbs
39Acetophenone98-86-2188 lbs510 lbs698 lbs
40Butyl acrylate141-32-2597 lbs0 lbs597 lbs
411,2,4-Trimethylbenzene95-63-6546 lbs0 lbs546 lbs
42Dicyclopentadiene77-73-6493 lbs0 lbs493 lbs
43Manganese compoundsN45037 lbs350 lbs387 lbs
44Cumene hydroperoxide80-15-9384 lbs0 lbs384 lbs
45Certain glycol ethersN230326 lbs0 lbs326 lbs
46Tetrachloroethylene127-18-4270 lbs4 lbs274 lbs
47Lead compoundsN42093 lbs169 lbs262 lbs
48Nickel compoundsN4950 lbs218 lbs218 lbs
49Acrylic acid79-10-7127 lbs0 lbs127 lbs
50Chlorine7782-50-5101 lbs0 lbs101 lbs
51Mercury compoundsN4580 lbs53 lbs53 lbs
52Polycyclic aromatic compoundsN59012 lbs14 lbs31 lbs
53Aluminum (fume or dust)7429-90-526 lbs0 lbs26 lbs
54Mercury And Mercury CompoundsN45817 lbs0 lbs17 lbs
55Carbon disulfide75-15-012 lbs0 lbs12 lbs
56Nitric acid7697-37-211 lbs0 lbs11 lbs
57Phenanthrene85-01-86 lbs1 lbs7 lbs
58Ethyl acrylate140-88-56 lbs0 lbs6 lbs
59Anthracene120-12-71 lbs1 lbs2 lbs
60NonylphenolN5302 lbs0 lbs2 lbs
61Benzo[g,h,i]perylene191-24-20 lbs1 lbs2 lbs
62Propylene oxide75-56-91 lbs0 lbs1 lbs
63Dioxin and dioxin-like compoundsN1501 lbs0 lbs1 lbs
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