Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 9529 E Avenue H, Houston, TX 77012

HCAD #0530680000008
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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
9529 E Avenue H, Houston, TX 77012
Elevation
26.76 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)
36.60 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
255.5 acres
86.7% 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
5.6th 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)
23.45 millionlbs
Extremely High
3594.4x more than typical Houston property
≈ 1.2K dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
10.31 millionlbs
Extremely High
2137.4x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
13.14 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)23,451,053 lbs10,307,228 lbs13,143,825 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)2,874,225 lbs805,987 lbs2,068,237 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, Ammonia, Styrene, Propylene
View the full list of 75 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(75 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs13,038,121 lbs13,038,121 lbs
2Hydrogen cyanide74-90-82,226,566 lbs0 lbs2,226,566 lbs
3Ammonia7664-41-71,717,252 lbs37,897 lbs1,755,149 lbs
4Styrene100-42-51,727,081 lbs7,271 lbs1,734,352 lbs
5Propylene115-07-11,005,508 lbs0 lbs1,005,508 lbs
61,3-Butadiene106-99-0460,959 lbs1 lbs460,960 lbs
7n-Hexane110-54-3455,963 lbs0 lbs455,970 lbs
8Xylene (mixed isomers)1330-20-7390,959 lbs627 lbs391,616 lbs
9Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-9383,635 lbs0 lbs383,635 lbs
10Ethylene74-85-1311,533 lbs0 lbs311,533 lbs
11Methyl tert-butyl ether1634-04-4267,534 lbs0 lbs267,534 lbs
12Benzene71-43-2265,833 lbs467 lbs266,311 lbs
13Toluene108-88-3264,062 lbs261 lbs264,347 lbs
14Hydrogen sulfide7783-06-4230,430 lbs3,527 lbs233,957 lbs
15Cyclohexane110-82-7132,772 lbs0 lbs132,781 lbs
16Ozone10028-15-6115,228 lbs0 lbs115,228 lbs
17Diethanolamine111-42-2101,560 lbs0 lbs101,560 lbs
18Methanol67-56-159,867 lbs39,325 lbs99,193 lbs
19Ethylbenzene100-41-448,610 lbs113 lbs48,731 lbs
20N,N-Dimethylformamide68-12-222,161 lbs88 lbs22,249 lbs
211,2,4-Trimethylbenzene95-63-621,046 lbs0 lbs21,060 lbs
22tert-Butyl alcohol75-65-015,285 lbs0 lbs15,285 lbs
23Ethylene glycol107-21-114,690 lbs0 lbs14,699 lbs
241,4-Dioxane123-91-110,779 lbs0 lbs10,779 lbs
25Sodium nitrite7632-00-00 lbs9,470 lbs9,470 lbs
26Naphthalene91-20-39,191 lbs75 lbs9,274 lbs
27Carbon disulfide75-15-08,908 lbs0 lbs8,908 lbs
28Cyanide compoundsN1065,934 lbs45 lbs5,979 lbs
29Molybdenum trioxide1313-27-55,795 lbs0 lbs5,795 lbs
30Manganese7439-96-55,228 lbs331 lbs5,559 lbs
31Polycyclic aromatic compoundsN5904,498 lbs525 lbs5,225 lbs
32Phenol108-95-21,635 lbs2,959 lbs4,594 lbs
33Cumene98-82-83,912 lbs0 lbs3,914 lbs
34Zinc compoundsN982219 lbs1,116 lbs2,826 lbs
35Phthalic anhydride85-44-92,000 lbs0 lbs2,000 lbs
36Vinyl acetate108-05-41,608 lbs0 lbs1,608 lbs
37Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-01,460 lbs0 lbs1,460 lbs
38Carbonyl sulfide463-58-11,451 lbs0 lbs1,451 lbs
39Lead7439-92-1882 lbs382 lbs1,264 lbs
40Nickel compoundsN495654 lbs489 lbs1,143 lbs
41Acetaldehyde75-07-01,011 lbs0 lbs1,011 lbs
42Phenanthrene85-01-8937 lbs0 lbs937 lbs
43Vanadium compoundsN770144 lbs509 lbs653 lbs
441,1,1,2-Tetrachloroethane630-20-6434 lbs0 lbs434 lbs
45Biphenyl92-52-4345 lbs0 lbs364 lbs
46Cresol (mixed isomers)1319-77-3232 lbs0 lbs232 lbs
47Lead And Lead CompoundsN420204 lbs17 lbs222 lbs
48Mercury compoundsN458200 lbs2 lbs203 lbs
49Nickel And Nickel CompoundsN49566 lbs123 lbs189 lbs
50Cobalt compoundsN096131 lbs24 lbs155 lbs
51Chlorine7782-50-5120 lbs0 lbs120 lbs
52Mercury And Mercury CompoundsN458109 lbs0 lbs109 lbs
53Lead compoundsN42048 lbs52 lbs100 lbs
54Dimethylamine124-40-390 lbs0 lbs90 lbs
55Mercury7439-97-677 lbs0 lbs77 lbs
56Isoprene78-79-560 lbs0 lbs60 lbs
57Anthracene120-12-744 lbs0 lbs44 lbs
58Cobalt And Cobalt CompoundsN09642 lbs0 lbs42 lbs
59Antimony compoundsN01038 lbs0 lbs38 lbs
60Boron trifluoride7637-07-236 lbs0 lbs36 lbs
61Nickel7440-02-035 lbs0 lbs35 lbs
62Allyl alcohol107-18-634 lbs0 lbs34 lbs
63Benzo[g,h,i]perylene191-24-213 lbs7 lbs20 lbs
64Methoxone sodium salt3653-48-320 lbs0 lbs20 lbs
65Triethylamine121-44-817 lbs0 lbs17 lbs
66Acrolein107-02-813 lbs0 lbs13 lbs
67Chromium compounds (except for chromite ore mined in the Transvaal Region)N09011 lbs0 lbs11 lbs
68Hydroquinone123-31-99 lbs0 lbs9 lbs
69Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N0908 lbs0 lbs8 lbs
70Diaminotoluene (mixed isomers)25376-45-84 lbs0 lbs4 lbs
71Pyridine110-86-13 lbs0 lbs3 lbs
72Chloroethane75-00-32 lbs0 lbs2 lbs
73p-Cresol106-44-52 lbs0 lbs2 lbs
74Trichloroethylene79-01-61 lbs0 lbs1 lbs
752,4-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, Ammonia, Styrene, Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
View the full list of 51 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(51 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
3Ammonia7664-41-7131,752 lbs1,105 lbs132,856 lbs
4Styrene100-42-5130,944 lbs291 lbs131,236 lbs
5Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-950,799 lbs0 lbs50,799 lbs
6Xylene (mixed isomers)1330-20-741,743 lbs10 lbs41,753 lbs
7Propylene115-07-137,845 lbs0 lbs37,845 lbs
8n-Hexane110-54-336,195 lbs0 lbs36,195 lbs
91,3-Butadiene106-99-031,705 lbs0 lbs31,705 lbs
10Ozone10028-15-625,701 lbs0 lbs25,701 lbs
11Toluene108-88-322,226 lbs8 lbs22,234 lbs
12Methanol67-56-17,001 lbs14,541 lbs21,542 lbs
13Benzene71-43-220,656 lbs114 lbs20,770 lbs
14Methyl tert-butyl ether1634-04-418,336 lbs0 lbs18,336 lbs
15Ethylene74-85-117,709 lbs0 lbs17,709 lbs
16Hydrogen sulfide7783-06-414,137 lbs0 lbs14,137 lbs
17Cyclohexane110-82-711,534 lbs0 lbs11,534 lbs
18Diethanolamine111-42-210,082 lbs0 lbs10,082 lbs
19Ethylene glycol107-21-15,094 lbs0 lbs5,094 lbs
20Ethylbenzene100-41-44,138 lbs5 lbs4,143 lbs
21Molybdenum trioxide1313-27-51,804 lbs0 lbs1,804 lbs
221,2,4-Trimethylbenzene95-63-61,754 lbs0 lbs1,754 lbs
23N,N-Dimethylformamide68-12-21,641 lbs0 lbs1,641 lbs
24Carbonyl sulfide463-58-11,041 lbs0 lbs1,041 lbs
25tert-Butyl alcohol75-65-01,021 lbs0 lbs1,021 lbs
26Naphthalene91-20-31,004 lbs7 lbs1,011 lbs
27Cumene98-82-8534 lbs0 lbs534 lbs
28Carbon disulfide75-15-0484 lbs0 lbs484 lbs
29Polycyclic aromatic compoundsN590355 lbs55 lbs410 lbs
30Sodium nitrite7632-00-00 lbs371 lbs371 lbs
311,4-Dioxane123-91-1328 lbs0 lbs328 lbs
32Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-0221 lbs0 lbs221 lbs
331,1,1,2-Tetrachloroethane630-20-6212 lbs0 lbs212 lbs
34Phenol108-95-2164 lbs8 lbs172 lbs
35Lead And Lead CompoundsN420128 lbs7 lbs135 lbs
36Zinc compoundsN98222 lbs27 lbs49 lbs
37Cobalt And Cobalt CompoundsN09642 lbs0 lbs42 lbs
38Lead7439-92-120 lbs22 lbs42 lbs
39Phenanthrene85-01-836 lbs0 lbs36 lbs
40Biphenyl92-52-433 lbs0 lbs33 lbs
41Mercury And Mercury CompoundsN45829 lbs0 lbs30 lbs
42Dimethylamine124-40-323 lbs0 lbs23 lbs
43Benzo[g,h,i]perylene191-24-28 lbs5 lbs13 lbs
44Isoprene78-79-58 lbs0 lbs8 lbs
45Mercury7439-97-67 lbs0 lbs7 lbs
46Vinyl acetate108-05-45 lbs0 lbs5 lbs
47Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N0902 lbs0 lbs2 lbs
48Boron trifluoride7637-07-21 lbs0 lbs1 lbs
49Acetaldehyde75-07-01 lbs0 lbs1 lbs
50Cresol (mixed isomers)1319-77-31 lbs0 lbs1 lbs
51Anthracene120-12-71 lbs0 lbs1 lbs
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