Complete Property Analysis

Environmental risk, tax analysis, and property details for 1913 Wynchase Dr, Deer Park, TX 77536

HCAD #1176540010009
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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
1913 Wynchase Dr, Deer Park, TX 77536
Building Size
4,072sqft
Total structure area from HCAD building records.
Elevation
30.58 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
103.0 acres
34.9% 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
8.5th percentile
Property Pollution Ranking
Very High
Higher pollution than 92% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
11.26 millionlbs
Extremely High
1725.2x more than typical Houston property
563 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
5.64 millionlbs
Extremely High
1168.7x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
5.62 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)11,255,406 lbs5,636,104 lbs5,619,302 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)1,485,339 lbs574,501 lbs523,716 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 92% 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), Propylene, Ethylene, Ammonia, n-Hexane
View the full list of 49 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(49 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs5,556,970 lbs5,556,970 lbs
2Propylene115-07-12,683,194 lbs0 lbs2,683,194 lbs
3Ethylene74-85-11,384,565 lbs0 lbs1,384,565 lbs
4Ammonia7664-41-7312,065 lbs452 lbs733,997 lbs
5n-Hexane110-54-3551,522 lbs0 lbs551,522 lbs
6Methanol67-56-1221,158 lbs37,738 lbs258,896 lbs
7Vinyl chloride75-01-4122,061 lbs46 lbs122,106 lbs
8Acetaldehyde75-07-064,543 lbs1,275 lbs65,818 lbs
9Propylene oxide75-56-953,747 lbs0 lbs53,747 lbs
10Ethylene glycol107-21-130,851 lbs9,387 lbs40,238 lbs
11Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-030,036 lbs0 lbs30,036 lbs
12Toluene108-88-321,587 lbs8 lbs21,595 lbs
131,3-Butadiene106-99-019,768 lbs45 lbs19,813 lbs
14Butyl acrylate141-32-218,363 lbs0 lbs18,363 lbs
15Zinc compoundsN9826,712 lbs11,332 lbs18,045 lbs
16Hydrogen sulfide7783-06-417,373 lbs0 lbs17,373 lbs
17Formaldehyde50-00-016,402 lbs0 lbs16,402 lbs
18Chlorobenzene108-90-716,036 lbs0 lbs16,036 lbs
19Chloroethane75-00-313,375 lbs0 lbs13,375 lbs
20Cyclohexane110-82-712,948 lbs0 lbs12,948 lbs
21Maleic anhydride108-31-612,243 lbs0 lbs12,243 lbs
22Trade SecretTRD SECRT9,705 lbs0 lbs9,705 lbs
23Chlorine7782-50-57,352 lbs0 lbs7,352 lbs
24DiisocyanatesN1204,282 lbs0 lbs4,282 lbs
25Barium compounds (except for barium sulfate (CAS No. 7727-43-7))N0400 lbs1,936 lbs1,936 lbs
26Nonylphenol EthoxylatesN5351,381 lbs0 lbs1,381 lbs
27Certain glycol ethersN2301,237 lbs0 lbs1,237 lbs
28Isoprene78-79-5923 lbs0 lbs923 lbs
29Hydrogen cyanide74-90-8596 lbs0 lbs596 lbs
30Aluminum (fume or dust)7429-90-5462 lbs0 lbs462 lbs
31Acrylic acid79-10-7348 lbs0 lbs348 lbs
32Chloromethane74-87-3326 lbs0 lbs326 lbs
33Nitric acid7697-37-2309 lbs0 lbs309 lbs
34Boron trifluoride7637-07-2250 lbs0 lbs250 lbs
35Barium And Barium CompoundsN0400 lbs99 lbs99 lbs
36NonylphenolN53061 lbs0 lbs61 lbs
37Diethanolamine111-42-257 lbs0 lbs57 lbs
38Methyl acrylate96-33-347 lbs0 lbs47 lbs
39Ethyl acrylate140-88-535 lbs0 lbs35 lbs
40Triethylamine121-44-834 lbs0 lbs34 lbs
41Manganese compoundsN45026 lbs0 lbs26 lbs
42Methyl methacrylate80-62-625 lbs0 lbs25 lbs
43Diphenylamine122-39-410 lbs14 lbs24 lbs
44Styrene100-42-524 lbs0 lbs24 lbs
45Ethylbenzene100-41-422 lbs0 lbs22 lbs
46Dichloromethane75-09-222 lbs0 lbs22 lbs
471,2,4-Trimethylbenzene95-63-610 lbs0 lbs10 lbs
48Xylene (mixed isomers)1330-20-76 lbs0 lbs6 lbs
49N-Methyl-2-pyrrolidone872-50-43 lbs0 lbs3 lbs
📋
Top chemicals released near this property (2024 only):
Nitrate compounds (water dissociable; reportable only when in aqueous solution), Ammonia, Propylene, Ethylene, n-Hexane
View the full list of 33 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(33 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs516,981 lbs516,981 lbs
2Ammonia7664-41-741,523 lbs250 lbs428,895 lbs
3Propylene115-07-1245,332 lbs0 lbs245,332 lbs
4Ethylene74-85-1194,811 lbs0 lbs194,811 lbs
5n-Hexane110-54-355,291 lbs0 lbs55,291 lbs
6Methanol67-56-15,077 lbs5,174 lbs10,251 lbs
7Vinyl chloride75-01-47,883 lbs3 lbs7,886 lbs
8Trade SecretTRD SECRT5,677 lbs0 lbs5,677 lbs
9Acetaldehyde75-07-03,861 lbs161 lbs4,022 lbs
10Formaldehyde50-00-03,363 lbs0 lbs3,363 lbs
11DiisocyanatesN1201,843 lbs0 lbs1,843 lbs
12Toluene108-88-31,587 lbs3 lbs1,590 lbs
13Cyclohexane110-82-71,566 lbs0 lbs1,566 lbs
14Zinc compoundsN982426 lbs1,135 lbs1,561 lbs
15Ethylene glycol107-21-11,527 lbs0 lbs1,527 lbs
16Chloroethane75-00-31,429 lbs0 lbs1,429 lbs
171,3-Butadiene106-99-0993 lbs9 lbs1,002 lbs
18Maleic anhydride108-31-6701 lbs0 lbs701 lbs
19Butyl acrylate141-32-2597 lbs0 lbs597 lbs
20Certain glycol ethersN230326 lbs0 lbs326 lbs
21Hydrogen sulfide7783-06-4235 lbs0 lbs235 lbs
22Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-0134 lbs0 lbs134 lbs
23Acrylic acid79-10-7127 lbs0 lbs127 lbs
24Chlorine7782-50-5101 lbs0 lbs101 lbs
25Nitric acid7697-37-231 lbs0 lbs31 lbs
26Aluminum (fume or dust)7429-90-526 lbs0 lbs26 lbs
27Boron trifluoride7637-07-220 lbs0 lbs20 lbs
28Ethyl acrylate140-88-56 lbs0 lbs6 lbs
29NonylphenolN5302 lbs0 lbs2 lbs
30Dichloromethane75-09-22 lbs0 lbs2 lbs
31Ethylbenzene100-41-42 lbs0 lbs2 lbs
32Styrene100-42-52 lbs0 lbs2 lbs
33Propylene oxide75-56-91 lbs0 lbs1 lbs
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