Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 255 Wayside Dr, Houston, TX 77020

HCAD #0182310000007
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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
255 Wayside Dr, Houston, TX 77020
Elevation
31.87 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
33.6 acres
11.4% 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 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
20.4th percentile
Property Pollution Ranking
High
Higher pollution than 80% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
798 thousandlbs
Extremely High
122.3x more than typical Houston property
≈ 40 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
792 thousandlbs
Extremely High
164.3x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
5 thousandlbs
Very High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
24
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)797,635 lbs792,477 lbs5,158 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)100,101 lbs99,504 lbs596 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 80% of Houston homes
Each bar's width represents the percentage of Houston homes in that pollution range. This property ranks in the 20-29th percentile.
📋
Top chemicals released near this property (past 10 years):
Ammonia, Zinc compounds, n-Hexane, Styrene, Nitric acid
View the full list of 42 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(42 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Ammonia7664-41-7295,214 lbs0 lbs295,214 lbs
2Zinc compoundsN982200,845 lbs4,584 lbs205,429 lbs
3n-Hexane110-54-3125,432 lbs0 lbs125,432 lbs
4Styrene100-42-578,252 lbs0 lbs78,253 lbs
5Nitric acid7697-37-235,489 lbs0 lbs35,489 lbs
6Toluene108-88-323,715 lbs0 lbs23,715 lbs
71,2,4-Trimethylbenzene95-63-68,648 lbs0 lbs8,648 lbs
8Hydrogen sulfide7783-06-46,912 lbs0 lbs6,912 lbs
9Lead compoundsN4203,065 lbs22 lbs3,087 lbs
10Cyclohexane110-82-72,389 lbs0 lbs2,389 lbs
11Copper compoundsN1002,022 lbs1 lbs2,023 lbs
12Polycyclic aromatic compoundsN5901,893 lbs2 lbs1,902 lbs
13Lead And Lead CompoundsN4201,553 lbs1 lbs1,554 lbs
14Xylene (mixed isomers)1330-20-71,434 lbs0 lbs1,434 lbs
15Phenol108-95-21,390 lbs0 lbs1,390 lbs
16Ethylene glycol107-21-1856 lbs0 lbs856 lbs
17Propylene115-07-1810 lbs0 lbs810 lbs
18Manganese7439-96-5168 lbs363 lbs531 lbs
19Certain glycol ethersN230402 lbs0 lbs402 lbs
20Chloroacetic acid79-11-8330 lbs0 lbs330 lbs
21Naphthalene91-20-3279 lbs0 lbs280 lbs
22Methyl methacrylate80-62-6265 lbs0 lbs265 lbs
23Methanol67-56-1255 lbs0 lbs255 lbs
24Benzo[g,h,i]perylene191-24-2236 lbs0 lbs236 lbs
25Ethylbenzene100-41-4217 lbs0 lbs218 lbs
26Chromium compounds (except for chromite ore mined in the Transvaal Region)N090151 lbs15 lbs166 lbs
27DiisocyanatesN120101 lbs4 lbs105 lbs
28Barium compounds (except for barium sulfate (CAS No. 7727-43-7))N0400 lbs67 lbs67 lbs
29Nickel7440-02-024 lbs41 lbs65 lbs
30Chromium7440-47-319 lbs12 lbs35 lbs
31Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N09032 lbs1 lbs33 lbs
32Aluminum (fume or dust)7429-90-524 lbs0 lbs24 lbs
33Lead7439-92-10 lbs24 lbs24 lbs
34Barium And Barium CompoundsN0400 lbs16 lbs16 lbs
35Manganese compoundsN45016 lbs0 lbs16 lbs
36Nitrate compounds (water dissociable; reportable only when in aqueous solution)N51115 lbs0 lbs15 lbs
37Nickel compoundsN49513 lbs0 lbs13 lbs
38Copper And Copper CompoundsN10010 lbs0 lbs10 lbs
39Copper7440-50-80 lbs6 lbs6 lbs
40Cobalt7440-48-40 lbs0 lbs4 lbs
41Molybdenum trioxide1313-27-51 lbs0 lbs1 lbs
42Dioxin and dioxin-like compoundsN1501 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
Ammonia, Zinc compounds, n-Hexane, Toluene, Styrene
View the full list of 18 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(18 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Ammonia7664-41-749,429 lbs0 lbs49,429 lbs
2Zinc compoundsN98212,507 lbs500 lbs13,007 lbs
3n-Hexane110-54-312,290 lbs0 lbs12,290 lbs
4Toluene108-88-311,886 lbs0 lbs11,886 lbs
5Styrene100-42-59,639 lbs0 lbs9,639 lbs
6Xylene (mixed isomers)1330-20-71,434 lbs0 lbs1,434 lbs
71,2,4-Trimethylbenzene95-63-61,210 lbs0 lbs1,210 lbs
8Nitric acid7697-37-2750 lbs0 lbs750 lbs
9Lead And Lead CompoundsN420161 lbs0 lbs161 lbs
10Polycyclic aromatic compoundsN590152 lbs0 lbs153 lbs
11Manganese7439-96-50 lbs41 lbs41 lbs
12Nickel7440-02-00 lbs31 lbs31 lbs
13Benzo[g,h,i]perylene191-24-221 lbs0 lbs21 lbs
14Barium compounds (except for barium sulfate (CAS No. 7727-43-7))N0400 lbs19 lbs19 lbs
15Chloroacetic acid79-11-810 lbs0 lbs10 lbs
16Methyl methacrylate80-62-610 lbs0 lbs10 lbs
17Lead compoundsN4205 lbs3 lbs8 lbs
18Lead7439-92-10 lbs3 lbs3 lbs
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