Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 0 Sjolander Rd, Baytown, TX 77521

HCAD #0401680000021
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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 AE
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 Sjolander Rd, Baytown, TX 77521
Elevation
13.69 ft
Height above sea level from USGS data.
FEMA Flood Zone
AE
High Risk - 1% annual chance with established base flood elevation
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)
23.53 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
188.6 acres
64.0% 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
Special Flood Hazard Area (SFHA): Flood insurance required for federally backed mortgages
#2
Obtain an Elevation Certificate to determine accurate flood insurance premiums
#3
Property elevation currently above simulated flood level
#4
Maintain flood insurance coverage as required in Special Flood Hazard Areas
#5
Review official FEMA Flood Insurance Rate Map (FIRM) for detailed flood zone boundaries
#6
Contact Harris County Flood Control District (HCFCD) for drainage projects and flood information
🏭Industrial Pollution Exposure
8.2th 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)
12.32 millionlbs
Extremely High
1887.8x more than typical Houston property
≈ 616 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
11.94 millionlbs
Extremely High
2475.4x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
379 thousandlbs
Extremely High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
14
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)12,316,413 lbs11,937,004 lbs379,409 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)1,830,600 lbs1,775,433 lbs30,565 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):
Ethylene, Propylene, Ammonia, n-Hexane, Nitrate compounds (water dissociable; reportable only when in aqueous solution)
View the full list of 35 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(35 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Ethylene74-85-15,343,277 lbs0 lbs5,343,495 lbs
2Propylene115-07-13,433,365 lbs0 lbs3,433,524 lbs
3Ammonia7664-41-71,012,741 lbs7,681 lbs1,020,422 lbs
4n-Hexane110-54-3932,913 lbs0 lbs932,991 lbs
5Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs370,664 lbs370,664 lbs
61,3-Butadiene106-99-0295,974 lbs0 lbs295,974 lbs
7Benzene71-43-2251,193 lbs312 lbs251,582 lbs
8Xylene (mixed isomers)1330-20-7182,161 lbs0 lbs182,161 lbs
9Toluene108-88-3101,966 lbs0 lbs101,966 lbs
10Hydrogen sulfide7783-06-462,196 lbs0 lbs100,935 lbs
11Methanol67-56-187,675 lbs0 lbs87,675 lbs
12Cyclohexane110-82-781,924 lbs0 lbs82,004 lbs
13Ethylbenzene100-41-456,880 lbs0 lbs56,880 lbs
14Naphthalene91-20-332,959 lbs0 lbs32,959 lbs
15N,N-Dimethylformamide68-12-219,581 lbs0 lbs19,581 lbs
16Isoprene78-79-516,125 lbs0 lbs16,125 lbs
17Zinc compoundsN9826,310 lbs0 lbs6,310 lbs
18Chlorine7782-50-55,524 lbs739 lbs6,263 lbs
19n-Butyl alcohol71-36-35,779 lbs0 lbs5,779 lbs
20Styrene100-42-53,178 lbs0 lbs3,178 lbs
21Biphenyl92-52-41,179 lbs0 lbs1,179 lbs
22Methyl tert-butyl ether1634-04-41,037 lbs0 lbs1,037 lbs
23Phenanthrene85-01-81,002 lbs0 lbs1,002 lbs
241,2,4-Trimethylbenzene95-63-6907 lbs0 lbs907 lbs
25Cumene98-82-8378 lbs0 lbs378 lbs
26Diethanolamine111-42-2357 lbs0 lbs357 lbs
27Dicyclopentadiene77-73-6169 lbs0 lbs169 lbs
28Formaldehyde50-00-095 lbs0 lbs95 lbs
29Carbon disulfide75-15-072 lbs0 lbs72 lbs
30Hydrazine302-01-261 lbs0 lbs61 lbs
31Carbon tetrachloride56-23-50 lbs13 lbs13 lbs
32Methyl isobutyl ketone108-10-110 lbs0 lbs10 lbs
33Boron trifluoride7637-07-28 lbs0 lbs8 lbs
34Molybdenum trioxide1313-27-55 lbs0 lbs5 lbs
35Anthracene120-12-71 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
Ethylene, Propylene, Ammonia, n-Hexane, 1,3-Butadiene
View the full list of 28 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(28 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Ethylene74-85-1909,880 lbs0 lbs910,016 lbs
2Propylene115-07-1388,988 lbs0 lbs389,087 lbs
3Ammonia7664-41-7141,781 lbs1,581 lbs143,362 lbs
4n-Hexane110-54-3140,248 lbs0 lbs140,298 lbs
51,3-Butadiene106-99-081,011 lbs0 lbs81,011 lbs
6Benzene71-43-244,599 lbs0 lbs44,649 lbs
7Hydrogen sulfide7783-06-49,537 lbs0 lbs33,754 lbs
8Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs28,984 lbs28,984 lbs
9Toluene108-88-314,154 lbs0 lbs14,154 lbs
10Xylene (mixed isomers)1330-20-713,129 lbs0 lbs13,129 lbs
11Cyclohexane110-82-711,659 lbs0 lbs11,709 lbs
12Methanol67-56-17,790 lbs0 lbs7,790 lbs
13Ethylbenzene100-41-42,904 lbs0 lbs2,904 lbs
14Naphthalene91-20-31,961 lbs0 lbs1,961 lbs
15N,N-Dimethylformamide68-12-21,881 lbs0 lbs1,881 lbs
16Chlorine7782-50-51,561 lbs0 lbs1,561 lbs
17Isoprene78-79-51,515 lbs0 lbs1,515 lbs
18n-Butyl alcohol71-36-3945 lbs0 lbs945 lbs
19Methyl tert-butyl ether1634-04-4901 lbs0 lbs901 lbs
20Zinc compoundsN982368 lbs0 lbs368 lbs
21Styrene100-42-5234 lbs0 lbs234 lbs
22Diethanolamine111-42-2105 lbs0 lbs105 lbs
23Biphenyl92-52-491 lbs0 lbs91 lbs
24Phenanthrene85-01-872 lbs0 lbs72 lbs
251,2,4-Trimethylbenzene95-63-657 lbs0 lbs57 lbs
26Cumene98-82-851 lbs0 lbs51 lbs
27Hydrazine302-01-27 lbs0 lbs7 lbs
28Formaldehyde50-00-05 lbs0 lbs5 lbs
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