Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 0 W 4th St, Deer Park, TX 77536

HCAD #0740680000002
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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
0 W 4th St, Deer Park, TX 77536
Elevation
25.76 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)
35.60 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
188.2 acres
63.8% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$0
Vacant lot (no building data).
Depth-Damage (Neighborhood)
$0
Vacant lot (no building data).
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
6.9th 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)
17.02 millionlbs
Extremely High
2609.3x more than typical Houston property
≈ 851 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
10.18 millionlbs
Extremely High
2111.0x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
6.84 millionlbs
Extremely High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
11
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)17,024,093 lbs10,179,787 lbs6,844,307 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)1,470,940 lbs1,212,915 lbs258,020 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, 1,3-Butadiene, Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Propylene
View the full list of 96 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(96 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
2Ethylene74-85-11,659,814 lbs0 lbs1,659,814 lbs
31,3-Butadiene106-99-01,021,400 lbs45 lbs1,021,445 lbs
4Sulfuric 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
5Propylene115-07-1989,819 lbs0 lbs989,819 lbs
6Cumene98-82-8851,544 lbs882 lbs852,426 lbs
7Ammonia7664-41-7663,258 lbs12,151 lbs675,409 lbs
8Phenol108-95-2634,156 lbs1,108 lbs635,264 lbs
9Toluene108-88-3505,020 lbs199 lbs505,219 lbs
10Benzene71-43-2434,346 lbs242 lbs434,588 lbs
11Methanol67-56-1266,482 lbs133,638 lbs400,120 lbs
12Xylene (mixed isomers)1330-20-7255,366 lbs179 lbs255,545 lbs
13Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-0234,060 lbs0 lbs234,060 lbs
14Hydrogen sulfide7783-06-4211,383 lbs2,545 lbs213,928 lbs
15n-Hexane110-54-3173,420 lbs10 lbs173,430 lbs
16Vinyl chloride75-01-4166,484 lbs46 lbs166,529 lbs
17Hydrogen cyanide74-90-8126,501 lbs2,741 lbs129,242 lbs
184,4'-Isopropylidenediphenol80-05-7125,700 lbs0 lbs125,700 lbs
191,2-Dichloroethane107-06-2125,688 lbs0 lbs125,688 lbs
20Epichlorohydrin106-89-8121,011 lbs3,811 lbs124,822 lbs
21Sodium nitrite7632-00-00 lbs102,300 lbs102,300 lbs
22Acetonitrile75-05-883,752 lbs12,219 lbs95,971 lbs
23Ethylbenzene100-41-473,430 lbs222 lbs73,652 lbs
24Acetaldehyde75-07-070,863 lbs1,398 lbs72,261 lbs
25Isoprene78-79-569,617 lbs137 lbs69,754 lbs
26Zinc compoundsN982952 lbs62,059 lbs63,011 lbs
27Propylene oxide75-56-953,747 lbs0 lbs53,747 lbs
28Ethylene glycol107-21-131,251 lbs9,387 lbs40,638 lbs
29Diethanolamine111-42-235,781 lbs0 lbs35,781 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
33Cyclohexane110-82-713,253 lbs284 lbs13,537 lbs
34Maleic anhydride108-31-612,243 lbs0 lbs12,243 lbs
35Chlorine7782-50-511,978 lbs0 lbs11,978 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
43Glycidol556-52-52,841 lbs4,410 lbs7,251 lbs
44Manganese compoundsN450137 lbs5,037 lbs5,174 lbs
45Methyl isobutyl ketone108-10-14,714 lbs2 lbs4,716 lbs
46Tetrachloroethylene127-18-44,241 lbs176 lbs4,417 lbs
47Nickel compoundsN49580 lbs3,764 lbs3,844 lbs
48Styrene100-42-53,800 lbs16 lbs3,816 lbs
49Barium compounds (except for barium sulfate (CAS No. 7727-43-7))N0400 lbs1,936 lbs1,936 lbs
50Lead compoundsN420509 lbs1,376 lbs1,886 lbs
51Phenanthrene85-01-81,547 lbs159 lbs1,706 lbs
521,1,2-Trichloroethane79-00-51,537 lbs0 lbs1,537 lbs
53Nonylphenol EthoxylatesN5351,381 lbs0 lbs1,381 lbs
54Bis(2-chloroethyl) ether111-44-4950 lbs0 lbs950 lbs
55Polycyclic aromatic compoundsN590576 lbs130 lbs782 lbs
56Lead And Lead CompoundsN420267 lbs421 lbs689 lbs
57Chloroform67-66-3638 lbs0 lbs638 lbs
58Anthracene120-12-7534 lbs70 lbs604 lbs
59Trichloroethylene79-01-6603 lbs0 lbs603 lbs
60Cresol (mixed isomers)1319-77-3430 lbs146 lbs576 lbs
61Certain glycol ethersN230557 lbs0 lbs557 lbs
62Acrylic acid79-10-7348 lbs0 lbs348 lbs
63Pentachloroethane76-01-7323 lbs0 lbs323 lbs
64Mercury compoundsN458105 lbs212 lbs317 lbs
65Chloroethane75-00-3284 lbs0 lbs284 lbs
66Mercury And Mercury CompoundsN45836 lbs195 lbs230 lbs
671,1,2,2-Tetrachloroethane79-34-5219 lbs0 lbs219 lbs
68Benzo[g,h,i]perylene191-24-296 lbs74 lbs170 lbs
69Cobalt compoundsN09633 lbs89 lbs122 lbs
70Barium And Barium CompoundsN0400 lbs99 lbs99 lbs
71Carbon disulfide75-15-084 lbs0 lbs84 lbs
72Chlorobenzene108-90-777 lbs0 lbs77 lbs
731,2-Dichloroethylene540-59-075 lbs0 lbs75 lbs
74NonylphenolN53061 lbs0 lbs61 lbs
75Chloroprene126-99-855 lbs0 lbs55 lbs
76Nitric acid7697-37-249 lbs0 lbs49 lbs
77Methyl acrylate96-33-347 lbs0 lbs47 lbs
78Ethylidene dichloride75-34-337 lbs0 lbs37 lbs
79Cobalt And Cobalt CompoundsN09612 lbs24 lbs36 lbs
80Ethyl acrylate140-88-535 lbs0 lbs35 lbs
81Triethylamine121-44-834 lbs0 lbs34 lbs
82Chromium7440-47-30 lbs33 lbs33 lbs
83Nickel7440-02-00 lbs31 lbs31 lbs
84Dioxin and dioxin-like compoundsN1508 lbs23 lbs31 lbs
85Carbon tetrachloride56-23-527 lbs0 lbs27 lbs
86Methyl methacrylate80-62-625 lbs0 lbs25 lbs
87Diphenylamine122-39-410 lbs14 lbs24 lbs
88Hexachloroethane67-72-116 lbs0 lbs16 lbs
89Vinylidene chloride75-35-415 lbs0 lbs15 lbs
90Boron trifluoride7637-07-211 lbs0 lbs11 lbs
91Propionaldehyde123-38-68 lbs0 lbs8 lbs
92trans-1,4-Dichloro-2-butene110-57-67 lbs0 lbs7 lbs
93DiisocyanatesN1206 lbs0 lbs6 lbs
94Hexachlorobenzene118-74-15 lbs0 lbs5 lbs
95N-Methyl-2-pyrrolidone872-50-43 lbs0 lbs3 lbs
96Acetamide60-35-52 lbs0 lbs2 lbs
📋
Top chemicals released near this property (2024 only):
Ethylene, Nitrate compounds (water dissociable; reportable only when in aqueous solution), Propylene, 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 75 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(75 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Ethylene74-85-1439,952 lbs0 lbs439,952 lbs
2Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs204,942 lbs204,942 lbs
3Propylene115-07-1143,286 lbs0 lbs143,286 lbs
41,3-Butadiene106-99-0108,643 lbs9 lbs108,652 lbs
5Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-997,000 lbs0 lbs97,000 lbs
6Cumene98-82-852,712 lbs31 lbs52,743 lbs
7Toluene108-88-350,315 lbs10 lbs50,325 lbs
8Ammonia7664-41-744,983 lbs1,580 lbs46,563 lbs
9Methanol67-56-114,597 lbs27,174 lbs41,771 lbs
10Phenol108-95-240,343 lbs254 lbs40,597 lbs
11Benzene71-43-239,601 lbs7 lbs39,608 lbs
12Hydrogen sulfide7783-06-438,758 lbs289 lbs39,047 lbs
13Xylene (mixed isomers)1330-20-718,400 lbs10 lbs18,410 lbs
14n-Hexane110-54-313,870 lbs10 lbs13,880 lbs
15Hydrogen cyanide74-90-813,000 lbs70 lbs13,070 lbs
16Epichlorohydrin106-89-812,291 lbs331 lbs12,622 lbs
17Vinyl chloride75-01-411,013 lbs3 lbs11,016 lbs
184,4'-Isopropylidenediphenol80-05-710,300 lbs0 lbs10,300 lbs
19Dichloromethane75-09-29,911 lbs10 lbs9,921 lbs
20Zinc compoundsN98217 lbs9,539 lbs9,556 lbs
21Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-09,252 lbs0 lbs9,252 lbs
221,2-Dichloroethane107-06-28,530 lbs0 lbs8,530 lbs
23Acetonitrile75-05-84,900 lbs3,100 lbs8,000 lbs
24Trade SecretTRD SECRT5,677 lbs0 lbs5,677 lbs
25Ethylbenzene100-41-44,620 lbs7 lbs4,627 lbs
26Sodium nitrite7632-00-00 lbs4,600 lbs4,600 lbs
27Acetaldehyde75-07-03,861 lbs161 lbs4,022 lbs
28Glycidol556-52-51,002 lbs2,400 lbs3,402 lbs
29Diethanolamine111-42-23,059 lbs0 lbs3,059 lbs
30sec-Butyl alcohol78-92-2540 lbs2,100 lbs2,640 lbs
31Isoprene78-79-52,360 lbs16 lbs2,376 lbs
32Naphthalene91-20-32,290 lbs22 lbs2,312 lbs
33Ethylene glycol107-21-11,527 lbs0 lbs1,527 lbs
34Styrene100-42-51,160 lbs2 lbs1,162 lbs
35Cyclohexane110-82-7858 lbs17 lbs875 lbs
36Maleic anhydride108-31-6701 lbs0 lbs701 lbs
37Acetophenone98-86-2188 lbs510 lbs698 lbs
38Butyl acrylate141-32-2597 lbs0 lbs597 lbs
391,2,4-Trimethylbenzene95-63-6546 lbs0 lbs546 lbs
40Dicyclopentadiene77-73-6493 lbs0 lbs493 lbs
41Manganese compoundsN45037 lbs350 lbs387 lbs
42Cumene hydroperoxide80-15-9384 lbs0 lbs384 lbs
43Chlorine7782-50-5311 lbs0 lbs311 lbs
44Tetrachloroethylene127-18-4282 lbs4 lbs286 lbs
45Lead compoundsN42093 lbs169 lbs262 lbs
46Nickel compoundsN4950 lbs218 lbs218 lbs
471,1,2-Trichloroethane79-00-5166 lbs0 lbs166 lbs
48Acrylic acid79-10-7127 lbs0 lbs127 lbs
49Bis(2-chloroethyl) ether111-44-496 lbs0 lbs96 lbs
50Mercury compoundsN4580 lbs53 lbs53 lbs
51Chloroform67-66-344 lbs0 lbs44 lbs
52Trichloroethylene79-01-643 lbs0 lbs43 lbs
53Pentachloroethane76-01-736 lbs0 lbs36 lbs
54Polycyclic aromatic compoundsN59012 lbs14 lbs31 lbs
551,1,2,2-Tetrachloroethane79-34-524 lbs0 lbs24 lbs
56Chloroethane75-00-321 lbs0 lbs21 lbs
57Mercury And Mercury CompoundsN45817 lbs0 lbs17 lbs
58Chlorobenzene108-90-714 lbs0 lbs14 lbs
59Carbon disulfide75-15-012 lbs0 lbs12 lbs
60Nitric acid7697-37-211 lbs0 lbs11 lbs
61Phenanthrene85-01-86 lbs1 lbs7 lbs
62Ethyl acrylate140-88-56 lbs0 lbs6 lbs
631,2-Dichloroethylene540-59-05 lbs0 lbs5 lbs
64Carbon tetrachloride56-23-54 lbs0 lbs4 lbs
65Chloroprene126-99-83 lbs0 lbs3 lbs
66Nickel7440-02-00 lbs2 lbs2 lbs
67Chromium7440-47-30 lbs2 lbs2 lbs
68Hexachloroethane67-72-12 lbs0 lbs2 lbs
69Anthracene120-12-71 lbs1 lbs2 lbs
70NonylphenolN5302 lbs0 lbs2 lbs
71Benzo[g,h,i]perylene191-24-20 lbs1 lbs2 lbs
72Ethylidene dichloride75-34-31 lbs0 lbs1 lbs
73Dioxin and dioxin-like compoundsN1501 lbs0 lbs1 lbs
74Propylene oxide75-56-91 lbs0 lbs1 lbs
75Hexachlorobenzene118-74-11 lbs0 lbs1 lbs
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