Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 3421 Manitou Dr, Houston, TX 77013

HCAD #0642070040155
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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
3421 Manitou Dr, Houston, TX 77013
Elevation
38.44 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
93.8 acres
31.8% 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
26.1th 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)
403 thousandlbs
Very High
61.8x more than typical Houston property
≈ 20 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
396 thousandlbs
Very High
82.1x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
7 thousandlbs
Very High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
15
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)403,475 lbs396,020 lbs7,455 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)56,818 lbs55,302 lbs1,516 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):
Ammonia, Xylene (mixed isomers), Zinc compounds, Hydrogen sulfide, Styrene
View the full list of 30 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(30 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Ammonia7664-41-7307,674 lbs0 lbs307,674 lbs
2Xylene (mixed isomers)1330-20-741,984 lbs0 lbs41,984 lbs
3Zinc compoundsN98226,707 lbs6,629 lbs33,336 lbs
4Hydrogen sulfide7783-06-46,912 lbs0 lbs6,912 lbs
5Styrene100-42-55,373 lbs0 lbs5,373 lbs
6Methanol67-56-12,781 lbs0 lbs2,781 lbs
7Phenol108-95-21,390 lbs0 lbs1,390 lbs
8Polycyclic aromatic compoundsN5901,144 lbs1 lbs1,144 lbs
9Ethylbenzene100-41-4700 lbs0 lbs700 lbs
10Manganese7439-96-5166 lbs334 lbs501 lbs
11Naphthalene91-20-3229 lbs0 lbs229 lbs
12Manganese compoundsN45018 lbs208 lbs226 lbs
13Benzo[g,h,i]perylene191-24-2221 lbs0 lbs221 lbs
14Zinc (fume or dust)7440-66-6192 lbs0 lbs192 lbs
15Chromium compounds (except for chromite ore mined in the Transvaal Region)N090141 lbs15 lbs156 lbs
161,2,4-Trimethylbenzene95-63-6125 lbs0 lbs125 lbs
17DiisocyanatesN120101 lbs4 lbs105 lbs
18Lead compoundsN42078 lbs22 lbs100 lbs
19Aluminum oxide (fibrous forms)1344-28-11 lbs98 lbs99 lbs
20Barium compounds (except for barium sulfate (CAS No. 7727-43-7))N0400 lbs67 lbs67 lbs
21Nickel7440-02-03 lbs38 lbs41 lbs
22Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N09032 lbs1 lbs33 lbs
23Lead7439-92-15 lbs21 lbs26 lbs
24Aluminum (fume or dust)7429-90-524 lbs0 lbs24 lbs
25Barium And Barium CompoundsN0400 lbs16 lbs16 lbs
26Nitrate compounds (water dissociable; reportable only when in aqueous solution)N51115 lbs0 lbs15 lbs
27Lead And Lead CompoundsN4203 lbs1 lbs3 lbs
28Copper compoundsN1001 lbs1 lbs2 lbs
29Molybdenum trioxide1313-27-51 lbs0 lbs1 lbs
30Dioxin and dioxin-like compoundsN1501 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
Ammonia, Zinc compounds, Styrene, Manganese compounds, Polycyclic aromatic compounds
View the full list of 12 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(12 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Ammonia7664-41-749,429 lbs0 lbs49,429 lbs
2Zinc compoundsN9823,493 lbs1,262 lbs4,755 lbs
3Styrene100-42-52,239 lbs0 lbs2,239 lbs
4Manganese compoundsN4502 lbs116 lbs118 lbs
5Polycyclic aromatic compoundsN590112 lbs0 lbs112 lbs
6Aluminum oxide (fibrous forms)1344-28-10 lbs42 lbs42 lbs
7Manganese7439-96-50 lbs41 lbs41 lbs
8Nickel7440-02-00 lbs31 lbs31 lbs
9Benzo[g,h,i]perylene191-24-221 lbs0 lbs21 lbs
10Barium compounds (except for barium sulfate (CAS No. 7727-43-7))N0400 lbs19 lbs19 lbs
11Lead compoundsN4205 lbs3 lbs8 lbs
12Lead7439-92-10 lbs3 lbs3 lbs
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