Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 515 Sheldon Rd, Channelview, TX 77530

HCAD #0650910180038
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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
515 Sheldon Rd, Channelview, TX 77530
Elevation
25.61 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)
35.46 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
192.8 acres
65.4% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$532,740
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
25.6th percentile
Property Pollution Ranking
Moderate
Higher pollution than 74% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
456 thousandlbs
Very High
69.9x more than typical Houston property
≈ 23 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
456 thousandlbs
Very High
94.5x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
564lbs
High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
9
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)456,258 lbs455,694 lbs564 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)41,018 lbs40,953 lbs63 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 74% 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):
1,2,4-Trimethylbenzene, Xylene (mixed isomers), n-Butyl alcohol, Certain glycol ethers, n-Hexane
View the full list of 32 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(32 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
11,2,4-Trimethylbenzene95-63-6132,436 lbs2 lbs135,230 lbs
2Xylene (mixed isomers)1330-20-776,361 lbs17 lbs83,842 lbs
3n-Butyl alcohol71-36-366,696 lbs0 lbs66,696 lbs
4Certain glycol ethersN23036,286 lbs0 lbs36,286 lbs
5n-Hexane110-54-328,628 lbs0 lbs31,071 lbs
6Naphthalene91-20-321,982 lbs1 lbs24,148 lbs
7Cyclohexane110-82-717,867 lbs0 lbs23,451 lbs
8Toluene108-88-319,162 lbs92 lbs22,395 lbs
9Ethylbenzene100-41-416,670 lbs4 lbs17,516 lbs
10Benzene71-43-211,261 lbs84 lbs12,917 lbs
111,3-Butadiene106-99-012,796 lbs0 lbs12,796 lbs
12Methanol67-56-15,968 lbs0 lbs5,968 lbs
13Styrene100-42-52,528 lbs0 lbs2,528 lbs
14Methyl tert-butyl ether1634-04-42,304 lbs0 lbs2,304 lbs
15Chromium compounds (except for chromite ore mined in the Transvaal Region)N0901,236 lbs41 lbs1,277 lbs
16Chromium7440-47-3879 lbs102 lbs981 lbs
17Hydrogen sulfide7783-06-4726 lbs0 lbs726 lbs
18Ethylene glycol107-21-1560 lbs0 lbs560 lbs
19Nickel7440-02-0386 lbs106 lbs492 lbs
20tert-Butyl alcohol75-65-0272 lbs0 lbs272 lbs
21Antimony compoundsN010235 lbs0 lbs235 lbs
22Vinyl acetate108-05-4215 lbs0 lbs215 lbs
23Cumene98-82-8107 lbs0 lbs108 lbs
24Copper7440-50-815 lbs43 lbs58 lbs
25Manganese7439-96-524 lbs22 lbs46 lbs
26Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N0900 lbs40 lbs40 lbs
27Dicyclopentadiene77-73-634 lbs0 lbs34 lbs
28Lead compoundsN42025 lbs4 lbs29 lbs
29Methyl methacrylate80-62-613 lbs0 lbs13 lbs
30Tetrachloroethylene127-18-410 lbs0 lbs10 lbs
31Trichloroethylene79-01-610 lbs0 lbs10 lbs
32Lead7439-92-13 lbs7 lbs10 lbs
📋
Top chemicals released near this property (2024 only):
n-Butyl alcohol, 1,2,4-Trimethylbenzene, Xylene (mixed isomers), n-Hexane, Certain glycol ethers
View the full list of 21 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(21 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1n-Butyl alcohol71-36-39,458 lbs0 lbs9,458 lbs
21,2,4-Trimethylbenzene95-63-67,218 lbs0 lbs7,218 lbs
3Xylene (mixed isomers)1330-20-76,673 lbs0 lbs6,674 lbs
4n-Hexane110-54-34,110 lbs0 lbs4,110 lbs
5Certain glycol ethersN2302,726 lbs0 lbs2,726 lbs
6Naphthalene91-20-32,703 lbs0 lbs2,703 lbs
7Toluene108-88-32,332 lbs0 lbs2,332 lbs
8Ethylbenzene100-41-41,613 lbs0 lbs1,613 lbs
9Benzene71-43-21,563 lbs0 lbs1,564 lbs
10Cyclohexane110-82-71,189 lbs0 lbs1,189 lbs
111,3-Butadiene106-99-0433 lbs0 lbs433 lbs
12Methyl tert-butyl ether1634-04-4354 lbs0 lbs354 lbs
13Vinyl acetate108-05-4205 lbs0 lbs205 lbs
14Chromium7440-47-3136 lbs32 lbs167 lbs
15Methanol67-56-1115 lbs0 lbs115 lbs
16Nickel7440-02-036 lbs20 lbs57 lbs
17Dicyclopentadiene77-73-634 lbs0 lbs34 lbs
18Styrene100-42-530 lbs0 lbs30 lbs
19Cumene98-82-825 lbs0 lbs26 lbs
20Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N0900 lbs11 lbs11 lbs
21Methyl methacrylate80-62-61 lbs0 lbs1 lbs
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